/**
 * EmpowerHR - Responsive Styles
 * Mobile-first responsive design
 * Version: 1.0.0
 */

/* ==================== LARGE SCREENS (1200px+) ==================== */
@media (min-width: 1200px) {
    .grid-cols-xl-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-xl-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-cols-xl-4 { grid-template-columns: repeat(4, 1fr); }
    .grid-cols-xl-5 { grid-template-columns: repeat(5, 1fr); }
    .grid-cols-xl-6 { grid-template-columns: repeat(6, 1fr); }
}

/* ==================== MEDIUM SCREENS (992px - 1199px) ==================== */
@media (max-width: 1199px) {
    .grid-cols-lg-1 { grid-template-columns: 1fr; }
    .grid-cols-lg-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-lg-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-cols-lg-4 { grid-template-columns: repeat(4, 1fr); }
    
    .page-content {
        padding: var(--spacing-4);
    }
}

/* ==================== TABLETS (768px - 991px) ==================== */
@media (max-width: 991px) {
    :root {
        --sidebar-width: 260px;
    }
    
    .grid-cols-md-1 { grid-template-columns: 1fr; }
    .grid-cols-md-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-md-3 { grid-template-columns: repeat(3, 1fr); }
    
    .header-search {
        display: none;
    }
    
    .page-title {
        font-size: var(--font-size-xl);
    }
    
    .stat-card .stat-value {
        font-size: var(--font-size-2xl);
    }
    
    .modal-lg,
    .modal-xl {
        max-width: 95vw;
        margin: var(--spacing-4);
    }
    
    .card-header {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .card-body {
        padding: var(--spacing-4);
    }
}

/* ==================== MOBILES (576px - 767px) ==================== */
@media (max-width: 767px) {
    /* Sidebar becomes overlay */
    .sidebar {
        transform: translateX(100%);
        width: 280px;
        box-shadow: var(--shadow-xl);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .sidebar.collapsed {
        width: 280px;
        transform: translateX(100%);
    }
    
    .sidebar.collapsed ~ .main-content {
        margin-right: 0;
    }
    
    .main-content {
        margin-right: 0 !important;
    }
    
    /* Sidebar overlay backdrop */
    .sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1035;
    }
    
    .sidebar.show ~ .sidebar-backdrop {
        display: block;
    }
    
    .sidebar.collapsed .sidebar-brand-text,
    .sidebar.collapsed .sidebar-nav-text {
        opacity: 1;
        width: auto;
    }
    
    /* Grid */
    .grid-cols-sm-1 { grid-template-columns: 1fr; }
    .grid-cols-sm-2 { grid-template-columns: repeat(2, 1fr); }
    
    /* Page */
    .page-content {
        padding: var(--spacing-3);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    /* Header */
    .app-header {
        padding: 0 var(--spacing-4);
    }
    
    .user-info {
        display: none;
    }
    
    /* Tables */
    .table-responsive-card .table thead {
        display: none;
    }
    
    .table-responsive-card .table tbody tr {
        display: block;
        margin-bottom: var(--spacing-4);
        border: 1px solid var(--gray-200);
        border-radius: var(--radius-lg);
        padding: var(--spacing-4);
        background: var(--white);
    }
    
    .table-responsive-card .table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-2) 0;
        border: none;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .table-responsive-card .table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--gray-600);
        font-size: var(--font-size-xs);
    }
    
    .table-responsive-card .table tbody td:last-child {
        border-bottom: none;
    }
    
    .table-responsive-card .table tbody tr:hover {
        background: var(--white);
    }
    
    /* Modal */
    .modal {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
        margin: 0;
    }
    
    .modal-body {
        max-height: calc(100vh - 140px);
    }
    
    /* Toast */
    .toast-container {
        left: var(--spacing-2);
        right: var(--spacing-2);
        top: var(--spacing-2);
    }
    
    .toast {
        min-width: unset;
        max-width: 100%;
    }
    
    /* Forms */
    .form-row {
        flex-direction: column;
    }
    
    /* Stats */
    .stat-card {
        padding: var(--spacing-4);
    }
    
    .stat-card .stat-icon {
        width: 44px;
        height: 44px;
        font-size: var(--font-size-lg);
    }
    
    /* Tabs */
    .tabs {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        flex-wrap: nowrap;
    }
    
    .tab {
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* Timeline */
    .timeline {
        padding-right: 1.5rem;
    }
    
    .timeline-dot {
        right: -1.5rem;
        width: 12px;
        height: 12px;
    }
}

/* ==================== SMALL MOBILES (< 576px) ==================== */
@media (max-width: 575px) {
    .grid-cols-1-xs { grid-template-columns: 1fr; }
    
    .page-title {
        font-size: var(--font-size-lg);
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .header-btn {
        width: 36px;
        height: 36px;
    }
    
    .btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
    
    .btn-lg {
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .stat-card .stat-value {
        font-size: var(--font-size-xl);
    }
    
    .pagination-link {
        min-width: 32px;
        height: 32px;
        padding: 0 var(--spacing-2);
    }
    
    /* Attendance check page */
    .attendance-camera {
        height: 250px;
    }
    
    .gps-status {
        font-size: var(--font-size-xs);
    }
    
    /* Make dropdowns full width on mobile */
    .dropdown-menu {
        position: fixed !important;
        left: var(--spacing-4) !important;
        right: var(--spacing-4) !important;
        top: auto !important;
        bottom: var(--spacing-4) !important;
        transform: none !important;
    }
}

/* ==================== LANDSCAPE MOBILE ==================== */
@media (max-height: 500px) and (orientation: landscape) {
    .sidebar {
        overflow-y: auto;
    }
    
    .modal-body {
        max-height: 60vh;
    }
    
    .attendance-camera {
        height: 200px;
    }
}

/* ==================== SAFARI TOUCH HIGHLIGHT ==================== */
@media (pointer: coarse) {
    * {
        -webkit-tap-highlight-color: transparent;
    }
    
    .btn,
    .sidebar-nav-link,
    .header-btn,
    .dropdown-item {
        touch-action: manipulation;
    }
}

/* ==================== REDUCED MOTION ==================== */
@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;
    }
}

/* ==================== PRINT ==================== */
@media print {
    .sidebar,
    .app-header,
    .no-print,
    .sidebar-backdrop,
    .toast-container,
    .modal-overlay {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
    }
    
    .page-content {
        padding: 0;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        break-inside: avoid;
    }
    
    .table {
        font-size: 12px;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}