/**
 * BBSOS Responsive Styles
 * Mobile-first responsive breakpoints
 */

/* =====================================================
   Breakpoints:
   - Mobile: < 640px
   - Tablet: 640px - 1024px
   - Desktop: > 1024px
   ===================================================== */

/* Tablet and below */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 220px;
    }
    
    .page-content {
        padding: var(--spacing-lg);
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile - Sidebar collapses */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 150;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }
    
    .sidebar-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .app-header {
        padding: var(--spacing-md);
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: var(--radius-md);
        background: transparent;
        border: none;
        color: var(--greenafrica-primary);
        cursor: pointer;
        transition: all var(--transition-fast);
    }
    
    .menu-toggle:hover {
        background: var(--bg-light);
        color: var(--greenafrica-secondary);
    }
    
    /* Sidebar close button - mobile only */
    .sidebar-close {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.1);
        border: none;
        color: rgba(255, 255, 255, 0.8);
        cursor: pointer;
        transition: all var(--transition-fast);
        margin-left: auto;
        flex-shrink: 0;
    }
    
    .sidebar-close:hover {
        background: rgba(255, 255, 255, 0.2);
        color: #ffffff;
        transform: scale(1.05);
    }
    
    .sidebar-close:active {
        transform: scale(0.95);
    }
    
    .sidebar-header {
        flex-wrap: nowrap;
        justify-content: space-between;
    }
    
    .page-content {
        padding: var(--spacing-md);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .page-actions {
        width: 100%;
    }
    
    .page-actions .btn {
        flex: 1;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
        font-size: 0.8rem;
    }
    
    .table-actions {
        flex-direction: column;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .auth-card {
        margin: var(--spacing-sm);
        border-radius: var(--radius-lg);
    }
    
    .auth-header,
    .auth-body {
        padding: var(--spacing-lg);
    }
    
    .auth-logo {
        height: 48px;
    }
    
    .auth-title {
        font-size: 1.25rem;
    }
    
    .metric-card {
        padding: var(--spacing-md);
    }
    
    .metric-value {
        font-size: 1.5rem;
    }
    
    .user-info {
        display: none;
    }
    
    .pagination-item {
        min-width: 32px;
        height: 32px;
    }
}

/* Desktop - Show menu toggle is hidden */
@media (min-width: 769px) {
    .menu-toggle {
        display: none;
    }
    
    .sidebar-close {
        display: none;
    }
    
    .sidebar-overlay {
        display: none;
    }
}

/* Large screens */
@media (min-width: 1400px) {
    .metrics-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .page-content {
        padding: var(--spacing-xl) calc(var(--spacing-xl) * 2);
    }
}

/* Print Styles */
@media print {
    .sidebar,
    .app-header,
    .page-actions,
    .btn,
    .pagination {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    body {
        background: white;
    }
}

/* Dark mode preference (optional - future enhancement) */
@media (prefers-color-scheme: dark) {
    /* 
    Future: Add dark mode styles here
    For now, we're light-mode only per design requirements
    */
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}