/* CFS - Mobile Responsive Styles */

/* ─── Mobile Menu Toggle (hidden on desktop) ─── */
.mobile-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-primary);
    font-size: 1.3rem;
}

/* ─── Sidebar Overlay (mobile) ─── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    backdrop-filter: blur(2px);
}

/* ─── Tablet: < 1024px ─── */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .chart-grid {
        grid-template-columns: 1fr 1fr !important;
    }

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

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

    .notification-panel {
        width: 320px;
    }

    /* Dashboard filter grids */
    .card div[style*="grid-template-columns:repeat(4"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .card div[style*="grid-template-columns:repeat(5"] {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

/* ─── Mobile: < 768px ─── */
@media (max-width: 768px) {
    /* Show hamburger menu */
    .mobile-menu-btn {
        display: flex;
    }

    /* Sidebar: slide-in drawer */
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 200;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
    }

    /* Main area: full width */
    .main-area {
        margin-left: 0 !important;
    }

    /* Topbar: compact */
    .topbar {
        padding: 0 var(--space-base);
        gap: var(--space-sm);
    }

    .topbar-title {
        font-size: var(--font-size-base);
    }

    .user-name {
        display: none;
    }

    /* Content: less padding */
    .content-area {
        padding: var(--space-base);
    }

    /* Stats grid: 2 columns */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.5rem !important;
    }

    .stat-card {
        padding: 0.75rem !important;
    }

    .stat-value {
        font-size: 1.3rem !important;
    }

    /* Charts: single column */
    .chart-grid {
        grid-template-columns: 1fr !important;
    }

    /* Page header: stack vertically */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .page-title {
        font-size: var(--font-size-xl);
    }

    .page-actions {
        width: 100%;
    }

    .page-actions .btn {
        flex: 1;
    }

    /* Tables: horizontal scroll */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .data-table {
        min-width: 600px;
    }

    /* Form rows: stack */
    .form-row {
        flex-direction: column !important;
    }

    .form-row .form-group {
        flex: none !important;
        width: 100% !important;
    }

    /* Dashboard filter grids: stack */
    .card div[style*="grid-template-columns:repeat(4"] {
        grid-template-columns: 1fr 1fr !important;
    }

    .card div[style*="grid-template-columns:repeat(5"] {
        grid-template-columns: 1fr 1fr !important;
    }

    .card div[style*="grid-template-columns:repeat(3"] {
        grid-template-columns: 1fr 1fr !important;
    }

    /* Detail sections */
    div[style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    /* Notification panel: full width */
    .notification-panel {
        width: calc(100vw - 2rem);
        right: -0.5rem;
    }

    /* Buttons: minimum touch target */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    .btn-sm {
        min-height: 36px;
        min-width: 36px;
    }

    /* Modal: full width on mobile */
    .modal-content {
        width: calc(100vw - 2rem) !important;
        max-width: 100% !important;
        max-height: calc(100vh - 2rem) !important;
        margin: 1rem;
    }

    /* Auth card: less padding */
    .auth-card {
        padding: var(--space-lg);
    }

    /* CAPA stepper: compact */
    .capa-stepper {
        gap: 0.25rem !important;
    }

    .capa-step-label {
        font-size: 0.7rem !important;
    }

    .capa-step-line {
        min-width: 10px !important;
    }

    /* Detail actions: wrap */
    .detail-actions {
        flex-wrap: wrap;
        gap: 0.5rem !important;
    }

    .detail-actions .btn {
        flex: 1 1 calc(50% - 0.25rem);
        min-width: 120px;
    }
}

/* ─── Small Mobile: < 480px ─── */
@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr !important;
    }

    .stat-card .stat-icon {
        display: none;
    }

    .topbar-right .lang-switch,
    .topbar-right .theme-switch {
        display: none;
    }

    .page-title {
        font-size: var(--font-size-lg);
    }

    /* CAPA stepper: numbers only */
    .capa-step-label {
        display: none !important;
    }

    .detail-actions .btn {
        flex: 1 1 100%;
    }
}