/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-info), #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(59, 130, 246, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.12), 0 10px 25px -5px rgba(59, 130, 246, 0.08);
    border-color: var(--color-primary-light);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: 1.75rem;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: var(--radius-xl);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4);
}

.stat-card:nth-child(2) .stat-icon {
    background: linear-gradient(135deg, var(--color-success), var(--color-primary));
}

.stat-card:nth-child(3) .stat-icon {
    background: linear-gradient(135deg, var(--color-info), #8b5cf6);
}

.stat-card:nth-child(4) .stat-icon {
    background: linear-gradient(135deg, #f59e0b, var(--color-error));
}

.stat-content {
    flex: 1;
    position: relative;
    z-index: 2;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--text-primary), var(--color-primary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Projects View */
.projects-container {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.projects-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-accent);
}

.projects-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.view-controls {
    display: flex;
    gap: var(--space-xs);
}

.view-btn {
    padding: var(--space-sm);
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.view-btn:hover,
.view-btn.active {
    background: var(--color-primary);
    color: var(--text-inverse);
    border-color: var(--color-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    padding: var(--space-lg);
}

@media (max-width: 1400px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.project-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 0;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    min-height: 120px;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-info), #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.12), 0 8px 20px -5px rgba(59, 130, 246, 0.08);
    border-color: var(--color-primary);
}

.project-card:hover::before {
    opacity: 1;
}

/* ドラッグ&ドロップ */
.project-card.dragging {
    opacity: 0.5;
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    z-index: 100;
}

.project-card[draggable="true"] {
    cursor: grab;
}

.project-card[draggable="true"]:active {
    cursor: grabbing;
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: var(--space-2xl) var(--space-2xl) var(--space-md);
    position: relative;
    z-index: 2;
}

.project-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    background: linear-gradient(135deg, var(--text-primary), var(--color-primary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    position: relative;
    z-index: 2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-card > .project-menu-btn {
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.project-card:hover > .project-menu-btn {
    opacity: 1;
}

.project-menu-btn {
    background: var(--bg-secondary);
    border: none;
    padding: var(--space-sm);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(10px);
}

.project-menu-btn:hover {
    background: var(--color-error);
    color: var(--text-inverse);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}


.project-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-2xl);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    position: relative;
    z-index: 2;
}

.project-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-2xl);
    position: relative;
    z-index: 2;
}

.project-stat {
    text-align: center;
    padding: var(--space-lg);
    background: linear-gradient(135deg, var(--bg-accent), var(--bg-secondary));
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color-light);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.project-card:hover .project-stat {
    background: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(249,250,251,0.8));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .project-card:hover .project-stat {
    background: linear-gradient(135deg, rgba(55,65,81,0.9), rgba(31,41,55,0.8));
}

/* 新規�Eロジェクト追加ボタン */
.add-project-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-md);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 70px;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 500;
}

.add-project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px -5px rgba(0, 0, 0, 0.12), 0 8px 20px -5px rgba(59, 130, 246, 0.08);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.add-project-card .add-icon {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
    opacity: 0.6;
    transition: all 0.3s ease;
}

.add-project-card:hover .add-icon {
    opacity: 1;
    transform: scale(1.1);
}

.add-project-card .add-text {
    font-size: 0.875rem;
    font-weight: 600;
}

/* 新規プロジェクトカードのドラッグ&ドロップ */
.add-project-card[draggable="true"] {
    cursor: grab;
}

.add-project-card[draggable="true"]:active {
    cursor: grabbing;
}

.add-project-card.dragging {
    opacity: 0.5;
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    z-index: 100;
}

.project-stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.project-stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.project-progress {
    padding: 0 var(--space-2xl) var(--space-2xl);
    position: relative;
    z-index: 2;
}

.project-progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    font-size: 1rem;
    font-weight: 500;
}

.project-progress-label span:first-child {
    color: var(--text-secondary);
}

.project-progress-label span:last-child {
    color: var(--text-primary);
    font-weight: 700;
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(135deg, var(--color-primary-light), rgba(59, 130, 246, 0.1));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.project-progress-bar {
    height: 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.project-progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-info) 50%, var(--color-success) 100%);
    border-radius: var(--radius-lg);
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.project-progress-fill::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 50%, rgba(255, 255, 255, 0.2) 100%);
    border-radius: var(--radius-lg);
}

.project-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.4) 50%, transparent 100%);
    animation: shimmer 3s infinite ease-in-out;
}

@keyframes shimmer {
    0% { left: -100%; }
    50% { left: -100%; }
    100% { left: 100%; }
}

.project-members {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
    padding: 0 var(--space-2xl) var(--space-2xl);
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.project-member-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3), 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-member-avatar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: 50%;
}

.project-member-avatar:hover {
    transform: translateY(-2px) scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4), 0 4px 12px rgba(0, 0, 0, 0.15);
}

.project-member-avatar:nth-child(even) {
    background: linear-gradient(135deg, var(--color-info), #8b5cf6);
}

.project-member-avatar:nth-child(3n) {
    background: linear-gradient(135deg, var(--color-success), var(--color-primary));
}

.project-member-avatar:nth-child(4n) {
    background: linear-gradient(135deg, #f59e0b, var(--color-error));
}

.project-member-avatar:nth-child(5n) {
    background: linear-gradient(135deg, #8b5cf6, var(--color-info));
}

/* Task View */
.project-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.project-info {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
}

.back-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.back-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: translateX(-2px);
}

.project-details h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.project-details p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

.task-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.task-stat-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.3s ease;
}

.task-stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.task-stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.task-stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: var(--space-sm);
}

/* Task Management */
.task-management {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-xl);
    height: calc(100vh - 400px);
    min-height: 500px;
}

.task-sidebar {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    overflow-y: auto;
}

.member-section h3,
.filters-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.member-controls {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.member-input {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.member-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.members-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.member-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-accent);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
}

.member-item:hover {
    background: var(--bg-tertiary);
}

.member-info {
    display: flex;
    flex-direction: column;
}

.member-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.member-stats {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.filter-group {
    margin-bottom: var(--space-lg);
}

.filter-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.filter-select {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Task Main Area */
.task-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.task-controls {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.task-input-container {
    display: flex;
    gap: var(--space-md);
    align-items: stretch;
}

.task-input {
    flex: 1;
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.task-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.task-input-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.task-select {
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Task Columns */
.tasks-container {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.task-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    height: 100%;
}

.task-column {
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.task-column:last-child {
    border-right: none;
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-accent);
}

.column-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.task-count {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.tasks-list {
    flex: 1;
    padding: var(--space-lg);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.task-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-top: none;
    padding: var(--space-md);
    transition: all 0.2s ease;
    position: relative;
}

.task-item:first-child {
    border-top: 1px solid var(--border-color);
    border-top-left-radius: var(--radius-sm);
    border-top-right-radius: var(--radius-sm);
}

.task-item:last-child {
    border-bottom-left-radius: var(--radius-sm);
    border-bottom-right-radius: var(--radius-sm);
}

.task-item:hover {
    background: var(--bg-secondary);
}

.task-item.completed {
    opacity: 0.7;
}

/* タスクハイライトアニメーション */
.task-item.highlight {
    animation: task-highlight 2s ease-out;
}

@keyframes task-highlight {
    0% {
        background: var(--color-primary-light);
        box-shadow: 0 0 0 3px var(--color-primary);
    }
    100% {
        background: var(--bg-primary);
        box-shadow: none;
    }
}

/* タスクアイテムの新構造 */
.task-item {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
}

/* メインエリア（クリックで展開） */
.task-main-area {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    cursor: pointer;
    min-width: 0;
    transition: background 0.2s;
}

.task-main-area:hover {
    background: var(--bg-tertiary);
}

/* アクションボタンエリア */
.task-actions-area {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
}

.task-actions-area .action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.95rem;
}

.task-actions-area .action-btn:hover {
    transform: scale(1.05);
}

.task-actions-area .tag-btn:hover {
    border-color: #8b5cf6;
    color: #8b5cf6;
    background: rgba(139, 92, 246, 0.1);
}

.task-actions-area .comment-btn:hover {
    border-color: var(--success);
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.task-actions-area .edit-task-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.task-actions-area .remove-task-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* サブ情報 */
.task-sub-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-top: 4px;
}

/* タスク作業中インジケーター */
.task-working-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: rgba(34, 197, 94, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.task-working-lamp {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 4px #22c55e;
    animation: pulse-lamp 2s ease-in-out infinite;
}

.task-working-avatar-img {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    object-fit: cover;
}

.task-working-avatar {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.5rem;
    font-weight: 600;
}

.task-working-more {
    font-size: 0.6rem;
    color: #22c55e;
    font-weight: 500;
}

/* 作業中タスクのハイライト */
.task-item.has-working {
    border-left: 3px solid #22c55e;
}

/* 作業開始/終了ボタン */
.btn-outline-success {
    color: #22c55e;
    border-color: #22c55e;
    background: transparent;
}

.btn-outline-success:hover {
    background: rgba(34, 197, 94, 0.1);
}

.btn-success {
    background: #22c55e;
    border-color: #22c55e;
    color: white;
}

.btn-success:hover {
    background: #16a34a;
    border-color: #16a34a;
}

.task-text-wrapper {
    flex: 1;
    min-width: 0;
}

.task-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.task-checkbox {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    flex-shrink: 0;
}

.task-status-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 1rem;
}

.task-status-icon.completed {
    color: var(--color-success);
}

/* モーダルタイトル行 */
.modal-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex: 1;
}

/* 他のプロジェクトに追加ドロップダウン */
.other-projects-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.dropdown-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.dropdown-arrow {
    font-size: 0.625rem;
    transition: transform 0.2s;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-xs));
    left: 0;
    min-width: 250px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    display: none;
}

.dropdown-menu.open {
    display: block;
}

.other-projects-list {
    max-height: 200px;
    overflow-y: auto;
}

.other-project-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 0 var(--space-md);
    height: 40px;
    cursor: pointer;
    transition: background 0.2s;
    border-bottom: 1px solid var(--border-color);
}

.other-project-item:last-child {
    border-bottom: none;
}

.other-project-item:hover {
    background: var(--bg-secondary);
}

.other-project-checkbox {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin: 0;
}

.other-project-name {
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 40px;
}

/* 担当者リスト（複数選択） */
.assignees-list {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: #fff;
    max-height: 150px;
    overflow-y: auto;
}

.assignee-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.assignee-row:last-child {
    border-bottom: none;
}

.assignee-row:hover {
    background: #f5f5f5;
}

.assignee-row input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
}

.assignee-row span {
    font-size: 14px;
    color: #333;
}

.task-text {
    flex: 1;
    font-size: 0.95rem;
    color: var(--text-primary);
    line-height: 1.4;
    word-break: break-word;
}

.task-text.completed {
    color: var(--text-secondary);
    text-decoration: line-through;
}

.task-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
    font-size: 0.875rem;
}

.task-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.task-assignee {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.task-project {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid transparent;
}

/* プロジェクト色付きタスクアイテム */
.task-item.has-project-color {
    border-left: 4px solid var(--project-color);
}

.task-item.has-project-color:first-child {
    border-top-left-radius: 0;
}

.task-item.has-project-color:last-child {
    border-bottom-left-radius: 0;
}

/* 全タスクビュー - プロジェクトセクション */
.all-tasks-project-section {
    margin-bottom: var(--space-xl);
}

.all-tasks-project-section:last-child {
    margin-bottom: 0;
}

.all-tasks-project-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
}

.project-header-indicator {
    width: 4px;
    height: 20px;
    border-radius: 2px;
    flex-shrink: 0;
}

.project-header-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.project-header-icon-default {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-secondary);
}

.project-header-name {
    font-weight: 600;
    font-size: 2rem;
    color: var(--text-primary);
    flex: 1;
}

.project-header-count {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

.all-tasks-project-tasks {
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* メンバーアバター */
.member-avatar {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

/* プロフィール画像用のアバター共通スタイル */
.member-profile-image {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.member-profile-image.avatar-small {
    width: 24px;
    height: 24px;
}

.member-profile-image.avatar-large {
    width: 48px;
    height: 48px;
}

.member-avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.member-avatar-circle.avatar-small {
    width: 24px;
    height: 24px;
    font-size: 0.75rem;
}

.member-avatar-circle.avatar-large {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
}



/* タスクアイテムをクリック可能に */
.task-item .task-content {
    cursor: pointer;
    flex: 1;
}

.task-item .task-content:hover .task-text:not(.completed) {
    color: var(--primary);
}

/* タスク展開時のスタイル */
.task-expand-details {
    display: none;
    width: 100%;
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    animation: slideDown 0.2s ease;
}

.task-item.expanded .task-expand-details {
    display: block;
}

.task-item.expanded .task-main-area {
    background: var(--bg-tertiary);
}

.task-item.expanded .task-expand-icon {
    transform: rotate(180deg);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.task-detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.task-detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.task-detail-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.task-detail-label i {
    font-size: 0.7rem;
}

.task-detail-value {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.task-detail-value.status-completed {
    color: var(--success);
}

.task-detail-value.status-pending {
    color: var(--warning);
}

.task-description-section {
    margin-bottom: var(--space-md);
}

.task-description-section h4 {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
}

.task-description-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    white-space: pre-wrap;
}

.task-description-text.empty {
    font-style: italic;
    color: var(--text-tertiary);
}

.task-expand-actions {
    display: flex;
    gap: var(--space-sm);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

.task-expand-actions .btn {
    flex: 1;
}

/* 展開トグルアイコン */
.task-expand-icon {
    color: var(--text-tertiary);
    transition: transform 0.2s;
    font-size: 0.8rem;
}

/* タスクアイテムレスポンシブ */
@media (max-width: 768px) {
    .task-item {
        flex-direction: column;
    }

    .task-actions-area {
        border-left: none;
        border-top: 1px solid var(--border-color);
        justify-content: flex-end;
        width: 100%;
    }

    .task-expand-details {
        padding: var(--space-md);
    }

    .task-detail-grid {
        grid-template-columns: 1fr 1fr;
    }

    /* モバイル時はショートカット非表示 */
    .shortcuts-hint {
        display: none;
    }
}

/* 空状態のスタイル */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2xl);
    text-align: center;
    color: var(--text-tertiary);
    min-height: 200px;
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
    color: var(--color-primary);
}

.empty-state p {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.empty-state small {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    line-height: 1.4;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-xl);
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.form-row .form-group {
    margin-bottom: 0;
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-group textarea {
    height: 100px;
    resize: vertical;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
    padding: var(--space-xl);
    border-top: 1px solid var(--border-color);
    background: var(--bg-accent);
    flex-shrink: 0;
}


/* Responsive Design */
@media (max-width: 1200px) {
    .task-management {
        grid-template-columns: 250px 1fr;
    }
    
    .search-input {
        width: 250px;
    }
}

@media (max-width: 768px) {
    .sidebar-nav {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        z-index: 200;
    }
    
    .sidebar-nav.open {
        left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .top-header {
        padding: var(--space-md);
    }
    
    .header-right {
        gap: var(--space-md);
    }
    
    .search-input {
        width: 200px;
    }
    
    .view-container {
        padding: var(--space-lg);
    }
    
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .task-management {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .task-sidebar {
        order: 2;
    }
    
    .task-columns {
        grid-template-columns: 1fr;
    }
    
    .task-column {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .task-column:last-child {
        border-bottom: none;
    }
    
    .task-input-container {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .task-input-actions {
        justify-content: stretch;
    }
    
    .task-select {
        flex: 1;
    }
}

@media (max-width: 480px) {
    .dashboard-stats {
        grid-template-columns: 1fr;
    }
    
    .project-stats {
        grid-template-columns: 1fr;
    }
    
    .task-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .notifications-container {
        left: var(--space-md);
        right: var(--space-md);
        max-width: none;
    }
}

/* 統一されたアニメーション */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-6px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}


/* 統一された�Eバ�EエフェクチE*/
.hover-lift {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.hover-scale {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-glow {
    transition: all 0.3s ease;
    position: relative;
}

.hover-glow::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: inherit;
}

.hover-glow:hover::after {
    opacity: 1;
}

/* グラチE�Eションバリエーション */
.gradient-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-info) 100%);
}

.gradient-success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-primary) 100%);
}

.gradient-warning {
    background: linear-gradient(135deg, #f59e0b 0%, var(--color-warning) 100%);
}

.gradient-error {
    background: linear-gradient(135deg, var(--color-error) 0%, #dc2626 100%);
}

.gradient-purple {
    background: linear-gradient(135deg, #8b5cf6 0%, var(--color-info) 100%);
}

/* ガラスモーフィズムエフェクチE*/
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .glass-effect {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ネオモーフィズムエフェクチE*/
.neomorphism {
    background: var(--bg-primary);
    box-shadow: 
        20px 20px 60px rgba(0, 0, 0, 0.1),
        -20px -20px 60px rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .neomorphism {
    box-shadow: 
        20px 20px 60px rgba(0, 0, 0, 0.3),
        -20px -20px 60px rgba(255, 255, 255, 0.02);
}

/* レスポンシブアニメーション */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}


.slide-up {
    animation: slideUp 0.5s ease;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.floating {
    animation: float 3s ease-in-out infinite;
}

.pulsing {
    animation: pulse 2s ease-in-out infinite;
}

/* 色のアクセントバリエーション */
.accent-primary { color: var(--color-primary); }
.accent-success { color: var(--color-success); }
.accent-warning { color: var(--color-warning); }
.accent-error { color: var(--color-error); }
.accent-info { color: var(--color-info); }

/* All Tasks View */
.all-tasks-view {
    display: none;
}

.all-tasks-tabs {
    display: flex;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 var(--space-lg);
}

.all-tasks-simple-list {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

.simple-task-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.simple-task-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}


.simple-task-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-light);
}

.simple-task-item:hover::before {
    opacity: 1;
}

.simple-task-item.completed {
    opacity: 0.7;
    background: var(--bg-secondary);
}

.simple-task-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    position: relative;
    flex-shrink: 0;
}

.simple-task-checkbox:checked {
    background: var(--color-success);
    border-color: var(--color-success);
}

.simple-task-checkbox:checked::after {
    content: '✁E;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-inverse);
    font-size: 14px;
    font-weight: bold;
}

.simple-task-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.simple-task-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
}

.simple-task-text.completed {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.simple-task-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.simple-task-project {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 500;
}

.simple-task-assignee {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.simple-assignee-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}


.simple-task-actions {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.simple-task-item:hover .simple-task-actions {
    opacity: 1;
}

.simple-task-delete {
    background: none;
    border: none;
    padding: var(--space-md);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

.simple-task-delete:hover {
    background: var(--color-error);
    color: var(--text-inverse);
}

.all-tasks-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.all-tasks-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-info), #8b5cf6);
}

.all-tasks-title h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin: 0 0 var(--space-sm) 0;
    background: linear-gradient(135deg, var(--text-primary), var(--color-primary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.all-tasks-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

.view-toggle {
    display: flex;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-xs);
    gap: var(--space-xs);
    box-shadow: var(--shadow-sm);
}

.view-toggle-btn {
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.view-toggle-btn.active {
    background: var(--color-primary);
    color: var(--text-inverse);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.view-toggle-btn:hover:not(.active) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.all-tasks-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
}

.task-summary-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.task-summary-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(59, 130, 246, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.task-summary-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.1), 0 8px 20px -5px rgba(59, 130, 246, 0.06);
    border-color: var(--color-primary-light);
}

.task-summary-card:hover::before {
    opacity: 1;
}

.summary-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    font-size: 1.25rem;
    box-shadow: 0 6px 15px rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.summary-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: var(--radius-lg);
}

.task-summary-card:hover .summary-icon {
    transform: scale(1.1) rotate(-3deg);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.task-summary-card:nth-child(2) .summary-icon {
    background: linear-gradient(135deg, #f59e0b, var(--color-warning));
}

.task-summary-card:nth-child(3) .summary-icon {
    background: linear-gradient(135deg, var(--color-success), var(--color-primary));
}

.task-summary-card:nth-child(4) .summary-icon {
    background: linear-gradient(135deg, var(--color-info), #8b5cf6);
}

.summary-content {
    flex: 1;
}

.summary-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.summary-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.all-tasks-controls {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    padding: var(--space-xl);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
}

.tasks-search-bar {
    flex: 1;
    position: relative;
    max-width: 400px;
}

.search-input-large {
    width: 100%;
    padding: var(--space-lg) var(--space-xl) var(--space-lg) 3rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    background: var(--bg-accent);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input-large:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: var(--bg-primary);
}

.tasks-search-bar i {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.tasks-filters {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.filter-select-modern {
    padding: var(--space-md) var(--space-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-accent);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 120px;
}

.filter-select-modern:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: var(--bg-primary);
}

.all-tasks-content {
    position: relative;
}

/* カンバンビュー */
.all-tasks-kanban {
    display: none;
}

.all-tasks-kanban.active {
    display: block;
}

.kanban-columns {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
}

.kanban-column {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.kanban-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
}

.kanban-title {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.kanban-count {
    background: var(--color-primary);
    color: var(--text-inverse);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 600;
    min-width: 2rem;
    text-align: center;
}

.kanban-tasks {
    padding: var(--space-xl);
    min-height: 200px;
}

/* リストビュー */
.all-tasks-list {
    display: none;
}

.tasks-list-container {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.tasks-list-header {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 1fr 1fr 1fr;
    gap: var(--space-md);
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--bg-accent) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.025em;
}

.tasks-list-body {
    max-height: 600px;
    overflow-y: auto;
}

/* タスクカード（カンバン用�E�E*/
.task-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.task-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}


.task-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.task-card:hover::before {
    opacity: 1;
}

.task-card.completed {
    opacity: 0.7;
    background: var(--bg-secondary);
}

.task-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.task-checkbox-wrapper {
    display: flex;
    align-items: center;
}

.task-checkbox-modern {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    appearance: none;
    position: relative;
}

.task-checkbox-modern:checked {
    background: var(--color-success);
    border-color: var(--color-success);
}

.task-checkbox-modern:checked::after {
    content: '✁E;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-inverse);
    font-size: 12px;
    font-weight: bold;
}


.task-card-content {
    margin-bottom: var(--space-md);
}

.task-text {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-primary);
    font-weight: 500;
}

.task-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.task-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.task-project-tag {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 500;
}

.task-assignee-mini {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.assignee-avatar-mini {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
}

.assignee-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.task-actions-mini {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.task-card:hover .task-actions-mini {
    opacity: 1;
}

.btn-icon-mini {
    background: none;
    border: none;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.8rem;
}

.btn-icon-mini:hover {
    background: var(--color-error);
    color: var(--text-inverse);
}

/* リストビュー */
.task-list-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 1fr 1fr 1fr;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--border-color-light);
    transition: all 0.3s ease;
    align-items: center;
}

.task-list-row:hover {
    background: var(--bg-accent);
}

.task-list-row.completed {
    opacity: 0.7;
}

.task-cell {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.task-cell-main {
    gap: var(--space-md);
}

.task-text.completed {
    text-decoration: line-through;
    color: var(--text-secondary);
}

.project-tag-small {
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 500;
}

.assignee-info-small {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.assignee-avatar-small {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--color-secondary);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 600;
}



.task-date {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Members View */
.members-view {
    display: none;
}

.members-simple-header {
    padding: var(--space-lg) var(--space-lg) 0;
    display: flex;
    justify-content: flex-start;
}

.members-simple-list {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

/* メンバ�Eタスクビュー */
.member-tasks-view {
    display: none;
}

.member-tasks-header {
    padding: var(--space-lg) var(--space-xl);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.member-tasks-avatar {
    flex-shrink: 0;
}

.member-tasks-avatar-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.member-tasks-avatar-img.clickable {
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.member-tasks-avatar-img.clickable:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.member-tasks-avatar-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    font-weight: 600;
}

.member-tasks-info {
    flex: 1;
    min-width: 0;
}

.member-tasks-info h1 {
    margin: 0 0 var(--space-sm) 0;
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.member-tasks-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.member-tasks-list {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

/* クリック可能なタスク */
.member-tasks-list .task-item.clickable-task {
    cursor: pointer;
    transition: all 0.2s ease;
}

.member-tasks-list .task-item.clickable-task:hover {
    background: var(--bg-secondary);
    transform: translateX(4px);
}

.member-tasks-list .task-item.clickable-task .task-content {
    cursor: pointer;
}

.member-tasks-list .task-navigate {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    opacity: 0;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.member-tasks-list .task-item.clickable-task:hover .task-navigate {
    opacity: 1;
    transform: translateX(4px);
}

.member-tasks-list .task-project {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.member-tasks-list .task-project i {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* メンバータスクヘッダーのモバイル対応 */
@media (max-width: 768px) {
    .member-tasks-header {
        padding: var(--space-md);
        gap: var(--space-sm);
    }

    .member-tasks-avatar-img,
    .member-tasks-avatar-circle {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .member-tasks-info h1 {
        font-size: 1.1rem;
        margin-bottom: var(--space-xs);
    }

    .member-tasks-meta {
        gap: var(--space-sm);
    }
}

.task-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.task-due-date {
    font-size: 0.875rem;
    color: var(--color-warning);
    margin-top: var(--space-xs);
}

.task-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.simple-member-item {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.simple-member-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.simple-member-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.simple-member-item:hover::before {
    opacity: 1;
}

.simple-member-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    border: 3px solid var(--bg-primary);
    box-shadow: 0 6px 15px rgba(59, 130, 246, 0.2);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.simple-member-avatar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: 50%;
}

.simple-member-item:hover .simple-member-avatar {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.simple-member-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.simple-member-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.2;
}

.simple-member-info {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.simple-member-role {
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-lg);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.simple-member-email {
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.simple-member-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.simple-member-stat {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.simple-member-stat-number {
    font-weight: 600;
    color: var(--text-primary);
}

.simple-member-skills {
    display: flex;
    gap: var(--space-xs);
    flex-wrap: wrap;
    margin-top: var(--space-xs);
}

.simple-skill-tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.simple-member-actions {
    display: flex;
    gap: var(--space-sm);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.simple-member-item:hover .simple-member-actions {
    opacity: 1;
}

.simple-member-btn {
    background: none;
    border: none;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.simple-member-btn:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.simple-member-btn.danger:hover {
    background: var(--color-error);
    color: var(--text-inverse);
}

.members-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.members-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-info), #8b5cf6);
}

.members-title h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    background: linear-gradient(135deg, var(--text-primary), var(--color-primary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.members-title p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.members-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
}

.member-stat-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    display: flex;
    align-items: center;
    gap: var(--space-xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.member-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-info), #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-stat-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(59, 130, 246, 0.03) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.12), 0 10px 25px -5px rgba(59, 130, 246, 0.08);
    border-color: var(--color-primary-light);
}

.member-stat-card:hover::before {
    opacity: 1;
}

.member-stat-card:hover::after {
    opacity: 1;
}

.members-content {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.members-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-accent);
    flex-wrap: wrap;
    gap: var(--space-lg);
}

.search-bar {
    position: relative;
    flex: 1;
    min-width: 250px;
}

.search-input-small {
    width: 100%;
    padding: var(--space-md);
    padding-right: 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.search-input-small:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-bar i {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

.filter-controls-members {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-xl);
}

.member-card {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-info), #8b5cf6);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(59, 130, 246, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.15), 0 10px 25px -5px rgba(59, 130, 246, 0.1);
    border-color: var(--color-primary-light);
}

.member-card:hover::before {
    opacity: 1;
}

.member-card:hover::after {
    opacity: 1;
}

.member-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.member-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-info));
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 800;
    border: 4px solid var(--bg-primary);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3), 0 4px 12px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.member-avatar-large::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 50%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: 50%;
}

.member-card:hover .member-avatar-large {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.4), 0 6px 18px rgba(0, 0, 0, 0.15);
}


.member-info {
    flex: 1;
}

.member-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.member-role {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
}

.member-role.lead {
    background: var(--color-warning);
    color: var(--text-inverse);
}

.member-role.manager {
    background: var(--color-info);
    color: var(--text-inverse);
}

.member-role.admin {
    background: var(--color-error);
    color: var(--text-inverse);
}

.member-actions {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    gap: var(--space-xs);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.member-card:hover .member-actions {
    opacity: 1;
}

.member-email {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.member-skills {
    margin-bottom: var(--space-lg);
}

.member-skills-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.skill-tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    border: 1px solid var(--border-color);
}

.member-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.member-stat-item {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.member-stat-number {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.member-stat-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.member-bio {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: var(--space-lg);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.member-join-date {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    text-align: center;
}

.form-select {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Empty State */
.members-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.members-empty i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.members-empty h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.members-empty p {
    margin-bottom: 2rem;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color-dark);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* Compact Project View Styles */
.compact-project-header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-xl);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-accent) 100%);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 10;
}

.compact-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.compact-back-btn:hover {
    background: var(--color-primary);
    color: var(--text-inverse);
    transform: translateX(-2px);
    box-shadow: var(--shadow-md);
}

.compact-project-info {
    flex: 1;
}

.compact-project-info h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-sm) 0;
    line-height: 1.2;
}

.compact-project-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.task-count-badge {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-badge {
    display: flex;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    background: linear-gradient(135deg, var(--color-success) 0%, #059669 100%);
    color: var(--text-inverse);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.8125rem;
    box-shadow: var(--shadow-sm);
}

.compact-tasks-container {
    padding: var(--space-xl);
    min-height: calc(100vh - 200px);
}

/* タブナビゲーション */
.task-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
}

.task-tab {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.task-tab:hover {
    color: var(--text-primary);
}

.task-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-count {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 18px;
    text-align: center;
}

.task-tab.active .tab-count {
    background: var(--color-primary);
    color: var(--text-inverse);
}

/* タスクコンチE��チE��リア */
.task-content-area {
    position: relative;
}

.task-tab-content {
    display: none;
}

.task-tab-content.active {
    display: block;
}

.tasks-list {
    padding: var(--space-md);
    min-height: 300px;
}

/* Responsive Design for Compact View */
@media (max-width: 768px) {
    .compact-project-header {
        padding: var(--space-lg);
        gap: var(--space-md);
    }
    
    .compact-project-info h1 {
        font-size: 1.25rem;
    }
    
    .compact-tasks-container {
        padding: var(--space-lg);
    }
    
    .task-tab {
        font-size: 0.8rem;
        padding: var(--space-xs) var(--space-md);
    }
}

@media (max-width: 480px) {
    .compact-project-header {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .compact-project-meta {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .task-tab {
        font-size: 0.75rem;
        padding: var(--space-xs);
        gap: 2px;
    }
}

/* お知らせビューのスタイル */
.notifications-view {
    padding: var(--space-xl);
}

.notifications-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.notifications-header h1 {
    color: var(--text-primary);
    font-size: 1.875rem;
    font-weight: 700;
}

.notification-tabs {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    border-bottom: 1px solid var(--border-color);
}

.notification-tab {
    background: none;
    border: none;
    padding: var(--space-md) var(--space-lg);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.notification-tab:hover {
    color: var(--text-primary);
    background: var(--bg-accent);
}

.notification-tab.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.notifications-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.notification-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all 0.3s ease;
    position: relative;
}

.notification-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}


.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
}

.notification-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.notification-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.notification-type {
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.notification-type.project {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.notification-type.general {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.notification-priority {
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
}

.notification-priority.high {
    background: #fee2e2;
    color: #dc2626;
}

.notification-priority.urgent {
    background: #fef2f2;
    color: #991b1b;
}

.notification-priority.medium {
    background: #fef3c7;
    color: #d97706;
}

.notification-priority.low {
    background: #f0fdf4;
    color: #16a34a;
}

.notification-content {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.notification-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: flex-end;
}

.notification-action {
    background: none;
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.notification-action:hover {
    background: var(--bg-accent);
}

.notification-action.danger:hover {
    background: #fee2e2;
    color: #dc2626;
    border-color: #dc2626;
}

.notification-footer {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: var(--space-sm);
}

.notification-footer i {
    margin-right: 0.25rem;
    opacity: 0.7;
}

.notification-author {
    display: flex;
    align-items: center;
}

.notification-body {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: var(--space-sm) 0;
}

/* インラインお知らせフォーム */
.inline-notification-form {
    margin-bottom: var(--space-lg);
}

.inline-form-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.inline-form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.inline-form-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.inline-form-header h3 i {
    color: var(--primary);
}

.inline-form-body {
    padding: var(--space-lg);
}

.inline-form-body .form-row {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.inline-form-body .form-group {
    margin-bottom: var(--space-md);
}

.inline-form-body .form-group:last-child {
    margin-bottom: 0;
}

.inline-form-body .flex-1 {
    flex: 1;
}

.inline-form-body .flex-2 {
    flex: 2;
}

.inline-form-body label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.inline-form-body input,
.inline-form-body select,
.inline-form-body textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s;
}

.inline-form-body input:focus,
.inline-form-body select:focus,
.inline-form-body textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.inline-form-body textarea {
    resize: vertical;
    min-height: 80px;
}

.inline-form-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .inline-form-body .form-row {
        flex-direction: column;
    }
}

/* カレンダービューのスタイル */
.calendar-view {
    padding: var(--space-xl);
    height: 100vh;
    overflow: hidden;
}

.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl);
}

.calendar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.calendar-nav h1 {
    color: var(--text-primary);
    font-size: 1.875rem;
    font-weight: 700;
    margin: 0;
}

.btn-icon {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--text-primary);
}

.btn-icon:hover {
    background: var(--bg-accent);
    box-shadow: var(--shadow-sm);
}

/* カレンダーナビゲーションボタン */
.calendar-nav .btn-icon {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.calendar-nav .btn-icon:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.calendar-nav h1 {
    min-width: 150px;
    text-align: center;
}

.calendar-actions {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.calendar-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-xl);
    height: calc(100vh - 200px);
}

.calendar-grid {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
}

.weekday {
    padding: var(--space-md);
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    grid-template-rows: repeat(6, 1fr);
    flex: 1;
}

.calendar-day {
    border-right: 1px solid var(--border-color-light);
    border-bottom: 1px solid var(--border-color-light);
    padding: var(--space-sm);
    cursor: pointer;
    transition: background-color 0.2s ease;
    display: flex;
    flex-direction: column;
    min-height: 100px;
    overflow: hidden;
}

.calendar-day:hover {
    background: var(--bg-accent);
}

.calendar-day.today {
    background: var(--color-primary-bg);
    border: 2px solid var(--color-primary);
}

.calendar-day.today .calendar-day-number {
    background: var(--color-primary);
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.calendar-day.other-month {
    color: var(--text-tertiary);
    background: var(--bg-tertiary);
}

.calendar-day-number {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.calendar-events {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.calendar-event {
    background: var(--color-primary);
    color: var(--text-inverse);
    padding: 0.125rem 0.25rem;
    border-radius: 0.125rem;
    font-size: 0.6875rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 1rem;
    line-height: 1;
    display: flex;
    align-items: center;
}

.calendar-event.personal {
    background: #10b981;
}

.calendar-event.project {
    background: var(--color-primary);
}

.calendar-event.general {
    background: #f59e0b;
}

.calendar-event.task {
    background: #8b5cf6;
}

.calendar-event.completed-task {
    background: #10b981;
}


.calendar-event.more {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.calendar-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.event-filters,
.upcoming-events {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}

.event-filters h3,
.upcoming-events h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.filter-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    cursor: pointer;
}

.filter-color {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: var(--radius-sm);
}

.filter-color.personal {
    background: #10b981;
}

.filter-color.project {
    background: var(--color-primary);
}

.filter-color.general {
    background: #f59e0b;
}

.upcoming-events-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.upcoming-event {
    padding: var(--space-sm);
    border-left: 3px solid var(--color-primary);
    background: var(--bg-accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.upcoming-event-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.125rem;
}

.upcoming-event-date {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.upcoming-event.personal {
    border-left-color: #10b981;
}

.upcoming-event.project {
    border-left-color: var(--color-primary);
}

.upcoming-event.general {
    border-left-color: #f59e0b;
}

.upcoming-event.task {
    border-left-color: #8b5cf6;
}

.upcoming-event.completed-task {
    border-left-color: #10b981;
}

/* レスポンシブデザイン for notifications and calendar */
@media (max-width: 768px) {
    .calendar-container {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }

    .calendar-sidebar {
        flex-direction: row;
        gap: var(--space-md);
    }

    .event-filters,
    .upcoming-events {
        flex: 1;
    }

    .notification-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .calendar-header {
        flex-direction: column;
        gap: var(--space-md);
        align-items: flex-start;
    }

    .calendar-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* プロジェクトアイコンアップロード */
.project-icon-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.project-icon-preview {
    width: 120px;
    height: 120px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-secondary);
    overflow: hidden;
}

.project-icon-preview:hover {
    border-color: var(--color-primary);
    background: var(--color-primary-bg);
}

.project-icon-preview i {
    font-size: 2rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
}

.project-icon-preview span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: center;
    padding: 0 var(--space-xs);
}

.project-icon-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-icon-preview.has-image {
    border-style: solid;
    border-color: var(--color-primary);
}

/* プロジェクトカードのアイコン */
.project-card-icon {
    width: 100%;
    height: 120px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.project-card-icon img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    object-position: center;
}

.project-card-icon .default-icon {
    font-size: 2.5rem;
    color: var(--text-tertiary);
}

/* プロジェクトカードのコンテンツ */
.project-card-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    gap: var(--space-sm);
    flex: 1;
}

.project-card-content .project-name {
    flex: 1;
    min-width: 0;
}

.project-card-content .project-stats {
    display: flex;
    gap: var(--space-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.project-card-content .project-stats i {
    margin-right: 2px;
}

/* 日別詳細モーダル */
.modal-large {
    max-width: 600px;
    max-height: 80vh;
}

.day-detail-body {
    padding: 0 !important;
    max-height: 60vh;
    overflow-y: auto;
}

.day-timeline {
    display: flex;
    flex-direction: column;
}

.timeline-hour {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    min-height: 50px;
}

.timeline-hour:last-child {
    border-bottom: none;
}

.timeline-hour-label {
    width: 60px;
    padding: var(--space-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    border-right: 1px solid var(--border-color);
}

.timeline-hour-content {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    position: relative;
}

.timeline-event {
    background: var(--color-primary);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    margin-bottom: var(--space-xs);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.timeline-event-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.timeline-event-delete {
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    transition: all 0.2s;
}

.timeline-event-delete:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.timeline-event.personal {
    background: #10b981;
}

.timeline-event.project {
    background: var(--color-primary);
}

.timeline-event.general {
    background: #f59e0b;
}

.timeline-event.task {
    background: #8b5cf6;
}

.timeline-event.completed-task {
    background: #10b981;
}

.timeline-event-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    gap: 0.125rem;
}

.timeline-event-period {
    font-size: 0.7rem;
    opacity: 0.85;
}

.timeline-event-time {
    font-weight: 600;
    opacity: 0.9;
}

.timeline-event.multi-day {
    border-left: 3px solid rgba(255, 255, 255, 0.5);
}

.timeline-hour.current-hour {
    background: var(--color-primary-bg);
}

.timeline-hour.current-hour .timeline-hour-label {
    color: var(--color-primary);
    font-weight: 600;
}

/* 予定詳細モーダル */
.event-detail-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.event-detail-row {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.event-detail-row:last-child {
    border-bottom: none;
}

.event-detail-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.event-detail-label i {
    width: 1rem;
    text-align: center;
}

.event-detail-value {
    font-size: 0.9375rem;
    color: var(--text-primary);
    padding-left: 1.5rem;
    line-height: 1.5;
    white-space: pre-wrap;
}

.btn-danger {
    background: #ef4444;
    color: white;
    border: none;
}

.btn-danger:hover {
    background: #dc2626;
}

/* ===================================
   作業中表示スタイル
   =================================== */

/* 作業中スイッチ（タスクビュー） */
.working-status-toggle {
    display: flex;
    align-items: center;
    margin-right: var(--space-md);
}

.working-switch {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
}

.working-switch input {
    display: none;
}

.working-slider {
    width: 44px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    position: relative;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
}

.working-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    top: 1px;
    left: 1px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.working-switch input:checked + .working-slider {
    background: #22c55e;
    border-color: #22c55e;
}

.working-switch input:checked + .working-slider::before {
    transform: translateX(20px);
}

.working-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.working-switch input:checked ~ .working-label {
    color: #22c55e;
    font-weight: 600;
}

/* プロジェクトカードの作業中表示 */
.project-card {
    position: relative;
}

.working-members-indicator {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px 10px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 縦並びの作業中表示 */
.working-members-indicator.vertical {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 8px 10px;
    border-radius: 12px;
}

[data-theme="dark"] .working-members-indicator {
    background: rgba(30, 41, 59, 0.95);
}

/* 緑の点滅ランプ */
.working-lamp {
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 8px #22c55e, 0 0 16px rgba(34, 197, 94, 0.5);
    animation: pulse-lamp 2s ease-in-out infinite;
    flex-shrink: 0;
}

/* 小さいランプ（各行用） */
.working-lamp-small {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    box-shadow: 0 0 6px #22c55e, 0 0 10px rgba(34, 197, 94, 0.4);
    animation: pulse-lamp 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse-lamp {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 8px #22c55e, 0 0 16px rgba(34, 197, 94, 0.5);
    }
    50% {
        opacity: 0.6;
        box-shadow: 0 0 4px #22c55e, 0 0 8px rgba(34, 197, 94, 0.3);
    }
}

/* 縦並びの各行 */
.working-member-row {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
}

.working-member-row.more {
    justify-content: center;
    padding-top: 2px;
}

/* 作業中メンバーリスト（横並び - 旧スタイル） */
.working-members-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.working-member-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.working-member-avatar {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.working-member-avatar-circle {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.6rem;
    font-weight: 600;
    flex-shrink: 0;
}

.working-member-name {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    max-width: 50px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.working-more {
    font-size: 0.65rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* 旧スタイル（互換性のため残す） */
.working-avatars {
    display: flex;
    align-items: center;
}

.working-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid white;
    margin-left: -6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.working-avatar-img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #22c55e;
    margin-left: -6px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
}

.working-avatar:first-child {
    margin-left: 0;
}

.working-avatar.more {
    background: linear-gradient(135deg, #6b7280, #4b5563);
    font-size: 0.65rem;
}

/* 作業中のプロジェクトカードのハイライト */
.project-card.has-working-members {
    border-color: rgba(34, 197, 94, 0.4);
    box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.2), var(--shadow-sm);
}

.project-card.has-working-members:hover {
    border-color: rgba(34, 197, 94, 0.6);
    box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.3), var(--shadow-md);
}

/* モバイル対応 */
@media (max-width: 768px) {
    .working-status-toggle {
        margin-right: var(--space-sm);
    }

    .working-slider {
        width: 38px;
        height: 20px;
    }

    .working-slider::before {
        width: 14px;
        height: 14px;
    }

    .working-switch input:checked + .working-slider::before {
        transform: translateX(18px);
    }

    .working-label {
        font-size: 0.75rem;
    }

    .working-members-indicator {
        top: 4px;
        right: 4px;
        padding: 4px 8px;
        gap: 6px;
    }

    .working-lamp {
        width: 8px;
        height: 8px;
    }

    .working-members-list {
        gap: 6px;
    }

    .working-member-item {
        gap: 3px;
    }

    .working-member-avatar,
    .working-member-avatar-circle {
        width: 18px;
        height: 18px;
        font-size: 0.55rem;
    }

    .working-member-name {
        font-size: 0.65rem;
        max-width: 40px;
    }

    .working-avatar {
        width: 20px;
        height: 20px;
        font-size: 0.6rem;
        margin-left: -4px;
    }
}

/* ===================================
   タスク画像アップロード・表示
   =================================== */

/* 画像アップロードUI */
.task-image-upload {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.task-image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.task-image-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.task-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.task-image-item .remove-image-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.9);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    transition: all 0.2s ease;
}

.task-image-item .remove-image-btn:hover {
    background: #dc2626;
    transform: scale(1.1);
}

/* タスク一覧の画像アイコン */
.task-has-image {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--color-info);
    font-size: 0.75rem;
}

/* タスク展開時の画像ギャラリー */
.task-images-section {
    margin-bottom: var(--space-md);
}

.task-images-section h4 {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.task-images-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.task-image-thumb {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid var(--border-color);
    transition: all 0.2s ease;
}

.task-image-thumb:hover {
    border-color: var(--color-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.task-image-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.task-image-thumb.image-error {
    background: var(--color-gray-100, #f3f4f6);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--color-gray-300, #d1d5db);
}

.task-image-thumb.image-error img {
    display: none;
}

.task-image-thumb.image-error::after {
    content: '読込失敗';
    font-size: 0.7rem;
    color: var(--text-secondary, #6b7280);
}

/* 画像ビューアーモーダル */
.image-viewer-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.image-viewer-modal.active {
    opacity: 1;
    visibility: visible;
}

.image-viewer-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.image-viewer-content img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.image-viewer-close {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-sm);
    transition: all 0.2s ease;
}

.image-viewer-close:hover {
    transform: scale(1.2);
    color: #ef4444;
}

/* ボタンスタイル */
.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* モバイル対応 */
@media (max-width: 768px) {
    .task-image-item {
        width: 60px;
        height: 60px;
    }

    .task-image-thumb {
        width: 70px;
        height: 70px;
    }

    .image-viewer-content {
        max-width: 95vw;
    }
}

/* ===== アクセス制限設定 ===== */
.access-control-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
}

.access-type-selector {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s ease;
}

.radio-label:hover {
    background: var(--bg-accent);
}

.radio-label input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.radio-label span {
    font-size: 0.95rem;
    color: var(--text-primary);
}

.access-restrictions {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-color);
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.role-checkboxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s ease;
}

.checkbox-label:hover {
    background: var(--bg-accent);
    border-color: var(--color-primary-light);
}

.checkbox-label:has(input:checked) {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.checkbox-label span {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.allowed-members-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    min-height: 40px;
}

.allowed-member-tag {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    animation: fadeIn 0.2s ease;
}

.allowed-member-tag .member-avatar-small {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
}

.allowed-member-tag .member-avatar-circle {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    color: white;
}

.allowed-member-tag .remove-member {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s ease;
    font-size: 0.75rem;
}

.allowed-member-tag .remove-member:hover {
    background: rgba(255, 255, 255, 0.2);
}

.access-restrictions .form-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.access-restrictions .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.access-note {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0 0 var(--space-sm) 0;
    font-style: italic;
}

/* ===== ロール管理 ===== */
.roles-view {
    padding: var(--space-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.roles-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.roles-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.roles-header h1 i {
    color: var(--color-primary);
}

.roles-description {
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    font-size: 0.95rem;
}

.roles-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.role-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.2s ease;
}

.role-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.role-color-bar {
    height: 4px;
    width: 100%;
}

.role-card-content {
    padding: var(--space-lg);
}

.role-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-sm);
}

.role-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.role-actions {
    display: flex;
    gap: var(--space-xs);
}

.role-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0 0 var(--space-md) 0;
    line-height: 1.5;
}

.role-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.role-member-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.role-member-count i {
    color: var(--color-primary);
}

/* カラーピッカー */
.color-picker-row {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.color-picker-row input[type="color"] {
    width: 50px;
    height: 40px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 0;
}

.color-preview {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

/* メンバーモーダルのロールチェックボックス */
.member-roles-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.member-roles-checkboxes .checkbox-label {
    padding-left: var(--space-md);
}

.no-roles-hint {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-style: italic;
}

/* 空の状態 */
.roles-list .empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-3xl);
    color: var(--text-secondary);
}

.roles-list .empty-state i {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    color: var(--text-tertiary);
}

.roles-list .empty-state p {
    margin: 0;
    font-size: 1rem;
}

.roles-list .empty-hint {
    font-size: 0.9rem;
    margin-top: var(--space-sm);
}

/* モバイル対応 */
@media (max-width: 768px) {
    .role-checkboxes {
        grid-template-columns: 1fr;
    }

    .access-type-selector {
        gap: var(--space-xs);
    }

    .roles-view {
        padding: var(--space-md);
    }

    .roles-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .roles-list {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   プロジェクトカレンダービュー
   ======================================== */

/* プロジェクトカレンダー情報 */
.project-calendar-info {
    padding: var(--space-md);
    background: var(--bg-accent);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
}

.project-calendar-info h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.project-calendar-info h3 i {
    color: var(--color-success);
}

/* プロジェクトカレンダーのイベント色 */
.project-calendar-view .calendar-event {
    background: var(--color-success);
    color: white;
}

.project-calendar-view .upcoming-event {
    border-left-color: var(--color-success);
}

.timeline-event.project {
    border-left-color: var(--color-success);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, transparent 100%);
}

/* インライン予定追加フォーム */
.inline-event-form {
    padding: var(--space-md);
    background: var(--bg-accent);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--border-color);
}

.inline-event-form h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--space-md) 0;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.inline-event-form h3 i {
    color: var(--color-success);
}

.inline-form-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.inline-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.inline-input:focus {
    outline: none;
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.inline-form-row {
    display: flex;
    gap: var(--space-sm);
}

.inline-form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--space-xs);
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8125rem;
}

/* Member Selector */
.inline-form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.inline-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.inline-label i {
    color: var(--color-primary);
}

.member-selector {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    min-height: 40px;
}

.member-chip {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 4px 10px 4px 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.8125rem;
}

.member-chip:hover {
    border-color: var(--color-primary);
    background: var(--bg-tertiary);
}

.member-chip.selected {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.member-chip.selected:hover {
    background: var(--color-primary-dark, #2563eb);
}

.member-chip-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
}

.member-chip-initial {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.member-chip.selected .member-chip-initial {
    background: rgba(255, 255, 255, 0.2) !important;
}

.member-chip-name {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100px;
}

/* ===== Notification Bell ===== */
.notification-bell-container {
    position: relative;
}

.notification-bell {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    padding: var(--space-sm);
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
    border-radius: var(--radius-md);
}

.notification-bell:hover {
    color: var(--color-primary);
    background: var(--bg-secondary);
}

.notification-badge {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--color-error);
    color: white;
    font-size: 0.65rem;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    animation: badge-pulse 2s infinite;
}

@keyframes badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.notification-panel {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    width: 360px;
    max-height: 480px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    overflow: hidden;
}

.notification-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.notification-panel-header h3 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.mark-all-read-btn {
    background: transparent;
    border: none;
    color: var(--color-primary);
    font-size: 0.8125rem;
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.mark-all-read-btn:hover {
    background: var(--color-primary);
    color: white;
}

.notification-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-empty {
    padding: var(--space-2xl);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

.notification-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.2s;
}

.notification-item:hover {
    background: var(--bg-secondary);
}

.notification-item.unread {
    background: rgba(59, 130, 246, 0.05);
}

.notification-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--color-primary);
}

.notification-item {
    position: relative;
}

.notification-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.notification-icon.task {
    background: var(--color-success);
}

.notification-icon.project {
    background: var(--color-info);
}

.notification-icon.mention {
    background: var(--color-warning);
}

.notification-content {
    flex: 1;
    min-width: 0;
}

.notification-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notification-body {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.notification-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

/* ===== ダイレクトメッセージ ===== */
.dm-view {
    height: 100%;
    overflow: hidden;
    padding: 0 !important;
}

.dm-view.active {
    display: flex !important;
    flex-direction: column;
}

.dm-container {
    display: flex;
    flex: 1;
    min-height: 0;
    background: var(--bg-primary);
    overflow: hidden;
}

.dm-sidebar {
    width: 320px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    min-height: 0;
    overflow: hidden;
}

.dm-sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.dm-sidebar-header h2 {
    font-size: 1.25rem;
    margin: 0;
}

.dm-search-box {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.dm-search-box i {
    color: var(--text-tertiary);
}

.dm-search-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 0.875rem;
    outline: none;
}

.dm-conversation-list {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.dm-conversation-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.2s;
}

.dm-conversation-item:hover {
    background: var(--bg-hover);
}

.dm-conversation-item.active {
    background: var(--color-primary-light);
}

.dm-conversation-item.unread {
    background: rgba(59, 130, 246, 0.05);
}

.dm-conversation-item.unread .dm-conv-name {
    font-weight: 600;
}

.dm-conv-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.dm-conv-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dm-conv-avatar span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: white;
    font-weight: 600;
    font-size: 1.25rem;
}

.dm-conv-info {
    flex: 1;
    min-width: 0;
}

.dm-conv-name {
    font-size: 0.9375rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.dm-conv-preview {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dm-conv-unread {
    background: var(--color-primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

.dm-empty {
    text-align: center;
    color: var(--text-tertiary);
    padding: var(--space-xl);
}

/* チャットエリア */
.dm-chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
}

.dm-chat-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.dm-chat-placeholder i {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    opacity: 0.3;
}

.dm-chat-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.dm-chat-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.dm-back-btn {
    display: none;
}

.dm-chat-user-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.dm-chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.dm-chat-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dm-chat-avatar span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: white;
    font-weight: 600;
}

#dmChatUserName {
    font-weight: 600;
    font-size: 1rem;
}

.dm-message-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    min-height: 0;
    gap: var(--space-sm);
}

.dm-message {
    display: flex;
    gap: var(--space-sm);
    max-width: 70%;
}

.dm-message.own {
    margin-left: auto;
    flex-direction: row-reverse;
}

.dm-message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.dm-message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dm-message-avatar span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

.dm-message-wrapper {
    display: flex;
    flex-direction: column;
    max-width: 100%;
}

.dm-message.own .dm-message-wrapper {
    align-items: flex-end;
}

.dm-message.other .dm-message-wrapper {
    align-items: flex-start;
}

.dm-message-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-sm) var(--space-md);
    max-width: 100%;
}

.dm-message.own .dm-message-content {
    background: var(--color-primary);
    color: white;
}

.dm-message-text {
    font-size: 0.9375rem;
    line-height: 1.5;
    word-break: break-word;
}

.dm-message-image {
    max-width: 250px;
    max-height: 200px;
    border-radius: var(--radius-md);
    cursor: pointer;
    margin-bottom: var(--space-xs);
}

.dm-message-video {
    max-width: 300px;
    max-height: 200px;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-xs);
}

.dm-message-meta {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    margin-top: 2px;
    padding: 0 var(--space-xs);
}

.dm-message-time {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

.dm-read-status {
    font-size: 0.6875rem;
    color: var(--color-primary);
}

/* 入力エリア */
.dm-input-area {
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    flex-shrink: 0;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.dm-media-preview {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--border-light);
}

.dm-preview-item {
    position: relative;
    display: inline-block;
}

.dm-preview-item img,
.dm-preview-item video {
    max-width: 150px;
    max-height: 100px;
    border-radius: var(--radius-md);
}

.dm-preview-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-danger);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dm-input-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
}

.dm-input-row input[type="text"] {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    outline: none;
}

.dm-input-row input[type="text"]:focus {
    border-color: var(--color-primary);
}

/* 未読バッジ */
.dm-unread-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--color-danger);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

#dmBtn {
    position: relative;
}

/* ユーザー検索結果 */
.dm-user-search-results {
    max-height: 300px;
    overflow-y: auto;
    margin-top: var(--space-md);
}

.dm-user-result {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background 0.2s;
}

.dm-user-result:hover {
    background: var(--bg-hover);
}

.dm-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
}

.dm-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dm-user-avatar span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: white;
    font-weight: 600;
}

.dm-user-name {
    font-size: 0.9375rem;
    color: var(--text-primary);
}

.dm-no-results {
    text-align: center;
    color: var(--text-tertiary);
    padding: var(--space-md);
}

/* モバイル対応 */
@media (max-width: 768px) {
    .dm-sidebar {
        width: 100%;
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 10;
    }

    .dm-chat-area {
        position: absolute;
        left: 0;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 20;
        background: var(--bg-primary);
        display: none;
    }

    .dm-chat-area.active {
        display: flex;
    }

    .dm-back-btn {
        display: flex;
    }

    .dm-message {
        max-width: 85%;
    }

    .dm-container {
        position: relative;
        flex: 1;
        min-height: 0;
    }
}

/* ===== DMヘッダーアイコン ===== */
.dm-header-icon-container {
    position: relative;
    margin-right: var(--space-md);
}

.dm-header-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    transition: all 0.2s;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dm-header-icon:hover {
    background: var(--bg-hover);
    color: var(--color-primary);
}

.dm-header-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: #ef4444;
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
    line-height: 1.3;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    z-index: 10;
}