/* Responsive CSS - Mobile and tablet layouts */
/* Uses design system CSS variables from design-system.css */

/* Tablet (768px and below) */
@media (max-width: 768px) {
    /* Sidebar becomes overlay on mobile */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    /* Main content takes full width on mobile */
    .main-content {
        margin-left: 0;
        max-width: 100vw;
        padding: var(--space-lg) var(--space-lg) 0 var(--space-lg);
    }
    
    /* Footer adjustments */
    footer {
        margin-left: calc(-1 * var(--space-lg));
        margin-right: calc(-1 * var(--space-lg));
    }
    
    /* Reports grid becomes single column */
    .reports-grid {
        grid-template-columns: 1fr;
    }
    
    /* Stats grid shows 2 columns on mobile */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-md);
    }
    
    /* Onboarding adjustments */
    .onboarding-progress-card {
        padding: var(--space-xl);
        margin-bottom: var(--space-xl);
    }
    
    .progress-summary {
        flex-direction: column;
        text-align: center;
        gap: var(--space-xl);
    }
    
    .onboarding-step {
        flex-direction: column;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }
    
    .step-header {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
    }
    
    .step-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .action-button {
        text-align: center;
        justify-content: center;
        width: 100%;
    }
    
    /* Activity cards mobile adjustments */
    .activity-card,
    .schedule-card {
        padding: var(--space-md);
    }
    
    .activity-card-header,
    .schedule-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
    
    .activity-duration-display,
    .activity-date-display {
        text-align: left;
        width: 100%;
    }
    
    .activity-title-row {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }
    
    .activity-meta {
        gap: var(--space-sm);
    }
    
    /* Documents grid single column on mobile */
    .documents-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .document-card {
        padding: var(--space-lg);
    }
    
    /* Filter container stacks on mobile */
    .filter-container {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }
    
    .filter-container label {
        margin-right: 0;
        margin-bottom: var(--space-xs);
    }
    
    .filter-select,
    .filter-button {
        width: 100%;
    }
    
    /* Content header adjustments */
    .content-header {
        margin-bottom: var(--space-lg);
        padding-bottom: var(--space-md);
    }
    
    .content-title {
        font-size: var(--font-size-2xl);
    }
    
    .content-subtitle {
        font-size: var(--font-size-sm);
    }
    
    /* Settings adjustments */
    .settings-container {
        gap: var(--space-lg);
    }
    
    .settings-card {
        padding: var(--space-lg);
    }
    
    /* Users table becomes more compact */
    .users-table {
        font-size: var(--font-size-sm);
    }
    
    .users-table th,
    .users-table td {
        padding: var(--space-sm) var(--space-md);
    }
    
    /* Modal adjustments */
    .modal-content {
        margin: var(--space-lg);
        padding: var(--space-xl);
    }
    
    .modal-header h3 {
        font-size: var(--font-size-lg);
    }
}

/* Small mobile (480px and below) */
@media (max-width: 480px) {
    /* Even more compact spacing */
    .main-content {
        padding: var(--space-md) var(--space-md) 0 var(--space-md);
    }
    
    /* Stats grid becomes single column on very small screens */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: var(--space-lg);
    }
    
    .stat-number {
        font-size: var(--font-size-2xl);
    }
    
    /* Content adjustments */
    .content-title {
        font-size: var(--font-size-xl);
    }
    
    .onboarding-progress-card {
        padding: var(--space-lg);
    }
    
    .progress-circle {
        width: 100px;
        height: 100px;
    }
    
    .progress-percentage {
        font-size: var(--font-size-xl);
    }
    
    .progress-details h3 {
        font-size: var(--font-size-lg);
    }
    
    .step-title {
        font-size: var(--font-size-lg);
    }
    
    .step-icon {
        font-size: var(--font-size-2xl);
    }
    
    /* Smaller cards */
    .activity-card,
    .schedule-card,
    .onboarding-step,
    .document-card {
        padding: var(--space-md);
    }
    
    /* Report card adjustments */
    .report-card {
        padding: var(--space-md);
    }
    
    .report-title {
        font-size: var(--font-size-base);
    }
    
    /* Completion card adjustments */
    .completion-card {
        padding: var(--space-2xl) var(--space-lg);
    }
    
    .completion-icon {
        font-size: 3rem;
    }
    
    .completion-card h3 {
        font-size: var(--font-size-2xl);
    }
    
    .completion-card p {
        font-size: var(--font-size-base);
    }
}

/* Large screens (1200px and above) */
@media (min-width: 1200px) {
    .main-content {
        max-width: 1400px;
        margin-left: auto;
        margin-right: auto;
        padding-left: calc(280px + var(--space-2xl));
        padding-right: var(--space-2xl);
    }
    
    .reports-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
    
    .documents-grid {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    }
}

/* Print styles */
@media print {
    .sidebar,
    .nav-menu,
    .sidebar-footer,
    .action-button,
    footer {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
        max-width: 100%;
    }
    
    .dashboard-container {
        display: block;
    }
    
    body {
        background: white;
    }
    
    .stat-card,
    .report-card,
    .activity-card,
    .schedule-card,
    .onboarding-step {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}

/* Landscape mobile orientation */
@media (max-width: 768px) and (orientation: landscape) {
    .sidebar {
        width: 240px;
    }
    
    .sidebar-header {
        padding: var(--space-md) var(--space-lg);
    }
    
    .sidebar-logo img {
        width: 80px;
    }
    
    .sidebar-header h1 {
        font-size: var(--font-size-lg);
    }
    
    .nav-link {
        padding: var(--space-sm) var(--space-md);
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .nav-link:hover,
    .nav-link.active {
        border-left-width: 6px;
    }
    
    .stat-card,
    .report-card,
    .activity-card,
    .onboarding-step {
        border-width: 3px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .loading-spinner {
        animation: none;
        border-top-color: var(--color-primary);
    }
}

/* Dark mode support (future enhancement) */
@media (prefers-color-scheme: dark) {
    /* Placeholder for future dark mode implementation */
    /* Can be enabled later with CSS variables */
}