/* ===== Dashboard Styles ===== */

/* Dashboard Container */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* Dashboard Header */
.dashboard-container .dashboard-header {
    margin-bottom: var(--spacing-xl);
}

.dashboard-container .dashboard-header .page-title {
    font: var(--md-sys-typescale-headline-large);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-xs);
}

.dashboard-container .dashboard-header .page-subtitle {
    font: var(--md-sys-typescale-body-large);
    color: var(--md-sys-color-on-surface-variant);
}

/* Statistics Grid */
.dashboard-container .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

/* Stat Card */
.dashboard-container .stat-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.dashboard-container .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

/* Stat Icon */
.dashboard-container .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.dashboard-container .stat-icon .material-icons-round {
    font-size: 28px;
    color: white;
}

.dashboard-container .stat-icon.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.dashboard-container .stat-icon.warning {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.dashboard-container .stat-icon.info {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.dashboard-container .stat-icon.success {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.dashboard-container .stat-icon.error {
    background: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
}

/* Stat Value */
.dashboard-container .stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--md-sys-color-on-surface);
    line-height: 1.2;
    margin-bottom: var(--spacing-xs);
}

.dashboard-container .stat-value.small {
    font-size: 18px;
}

.dashboard-container .stat-value.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 4px;
    display: inline-block;
    min-width: 60px;
    color: transparent;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Stat Label */
.dashboard-container .stat-label {
    font: var(--md-sys-typescale-body-medium);
    color: var(--md-sys-color-on-surface-variant);
}

/* Dashboard Content - Two Columns */
.dashboard-container .dashboard-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

/* Column Styles */
.dashboard-container .main-column,
.dashboard-container .side-column {
    min-height: 400px;
}

/* Content Card */
.dashboard-container .content-card {
    background: #FFFFFF;
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

/* Card Header */
.dashboard-container .content-card .card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-container .content-card .card-title {
    font: var(--md-sys-typescale-title-large);
    color: var(--md-sys-color-on-surface);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: 0;
}

.dashboard-container .content-card .card-title .material-icons-round {
    font-size: 24px;
    color: var(--md-sys-color-primary);
}

/* Link Action */
.dashboard-container .link-action {
    font: var(--md-sys-typescale-label-large);
    color: var(--md-sys-color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: opacity var(--transition-fast);
}

.dashboard-container .link-action:hover {
    opacity: 0.8;
}

.dashboard-container .btn-icon-only {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--md-sys-color-on-surface-variant);
    transition: background var(--transition-fast);
}

.dashboard-container .btn-icon-only:hover {
    background: rgba(0, 0, 0, 0.05);
}

/* Card Body - Special styling for different sections */
.dashboard-container .content-card .card-body {
    padding: var(--spacing-lg);
}

/* Today's Schedule specific - no scrollbar */
.dashboard-container .side-column .content-card .card-body {
    max-height: none;
    overflow: visible;
}

/* Recent Substitutions specific - with scrollbar */
.dashboard-container .main-column .content-card .card-body {
    max-height: 500px;
    overflow-y: auto;
}

/* Today's Schedule - Period List */
.dashboard-container .period-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.dashboard-container .period-item {
    padding: var(--spacing-sm);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.dashboard-container .period-item:hover {
    background: var(--md-sys-color-surface-variant);
}

.dashboard-container .period-item.empty {
    opacity: 0.6;
}

.dashboard-container .period-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.dashboard-container .period-number {
    font: var(--md-sys-typescale-label-large);
    color: var(--md-sys-color-primary);
}

.dashboard-container .period-time {
    font: var(--md-sys-typescale-label-small);
    color: var(--md-sys-color-on-surface-variant);
    background: var(--md-sys-color-surface-variant);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
}

.dashboard-container .period-content {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.dashboard-container .teacher-tag {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    padding: var(--spacing-xxs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font: var(--md-sys-typescale-label-medium);
}

.dashboard-container .empty-text {
    color: var(--md-sys-color-outline);
    font: var(--md-sys-typescale-body-small);
}

/* Recent Substitutions List */
.dashboard-container .substitution-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.dashboard-container .substitution-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.dashboard-container .substitution-item:hover {
    background: var(--md-sys-color-surface-variant);
}

.dashboard-container .sub-icon {
    width: 40px;
    height: 40px;
    background: var(--md-sys-color-primary-container);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dashboard-container .sub-icon .material-icons-round {
    color: var(--md-sys-color-primary);
    font-size: 20px;
}

.dashboard-container .sub-info {
    flex: 1;
}

.dashboard-container .sub-main {
    font: var(--md-sys-typescale-body-large);
    color: var(--md-sys-color-on-surface);
    margin-bottom: var(--spacing-xxs);
}

.dashboard-container .sub-arrow {
    color: var(--md-sys-color-primary);
    margin: 0 var(--spacing-xs);
}

.dashboard-container .sub-details {
    font: var(--md-sys-typescale-body-small);
    color: var(--md-sys-color-on-surface-variant);
}

/* Empty States */
.dashboard-container .empty-state-small {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--md-sys-color-on-surface-variant);
}

.dashboard-container .empty-state-small .material-icons-round {
    font-size: 48px;
    color: var(--md-sys-color-outline);
    margin-bottom: var(--spacing-md);
}

.dashboard-container .empty-state-small p {
    font: var(--md-sys-typescale-body-medium);
    margin: 0;
}

/* Loading State */
.dashboard-container .schedule-loading {
    text-align: center;
    padding: var(--spacing-xl);
}

.dashboard-container .schedule-loading p {
    margin-top: var(--spacing-md);
    color: var(--md-sys-color-on-surface-variant);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .dashboard-container .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .dashboard-container .dashboard-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-container {
        padding: var(--spacing-md);
    }
    
    .dashboard-container .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .dashboard-container .stat-card {
        padding: var(--spacing-md);
    }
    
    .dashboard-container .stat-icon {
        width: 40px;
        height: 40px;
    }
    
    .dashboard-container .stat-icon .material-icons-round {
        font-size: 24px;
    }
    
    .dashboard-container .stat-value {
        font-size: 24px;
    }
    
    .dashboard-container .stat-value.small {
        font-size: 14px;
    }
    
    .dashboard-container .dashboard-content {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .dashboard-container .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-container .content-card .card-header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .dashboard-container .content-card .card-body {
        padding: var(--spacing-md);
    }
    
    .dashboard-container .content-card .card-title {
        font-size: 16px;
    }
    
    .dashboard-container .link-action {
        font-size: 12px;
    }
}