/* =============================================================================
   MOBILE.CSS - PERTI Mobile & Tablet Responsive Styles
   Bootstrap 4.5.2 Compatible

   Breakpoints:
   - Phone (portrait):     0 - 575px
   - Phone (landscape):    576px - 767px
   - Tablet (portrait):    768px - 991px
   - Tablet (landscape):   992px - 1279px
   - Desktop:              1280px+
   ============================================================================= */

/* =============================================================================
   SECTION 1: CSS VARIABLES
   ============================================================================= */

:root {
    --touch-target-min: 44px;
    --mobile-spacing: 12px;
    --offcanvas-width: 280px;
    --navbar-height: 77px;
}

/* =============================================================================
   SECTION 2: OFFCANVAS NAVIGATION
   ============================================================================= */

.offcanvas-mobile {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--offcanvas-width);
    height: 100vh;
    height: 100dvh;
    background: linear-gradient(180deg, var(--dark-bg-page) 0%, var(--dark-bg-panel) 100%);
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
}

.offcanvas-mobile.show {
    transform: translateX(0);
}

.offcanvas-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
}

.offcanvas-title {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.offcanvas-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 1.25rem;
    padding: 8px;
    min-width: var(--touch-target-min);
    min-height: var(--touch-target-min);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: background 0.2s;
}

.offcanvas-close:hover,
.offcanvas-close:focus {
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.offcanvas-body {
    padding: 0;
}

.mobile-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mobile-nav-section {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    color: #fff;
    font-weight: 500;
    text-decoration: none !important;
    min-height: var(--touch-target-min);
    transition: background 0.2s;
}

.mobile-nav-header:hover,
.mobile-nav-header:focus {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    text-decoration: none;
}

.mobile-nav-header .fa-chevron-down {
    font-size: 0.75rem;
    transition: transform 0.2s ease;
    opacity: 0.7;
}

.mobile-nav-header[aria-expanded="true"] .fa-chevron-down {
    transform: rotate(180deg);
}

.mobile-nav-link {
    display: block;
    padding: 12px 20px 12px 36px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none !important;
    min-height: var(--touch-target-min);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    background: rgba(255, 255, 255, 0.05);
    color: var(--nav-accent-cyan);
    border-left-color: var(--nav-accent-cyan);
    text-decoration: none;
}

.mobile-nav-standalone {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-nav-standalone .mobile-nav-link {
    padding-left: 20px;
    font-weight: 500;
}

/* Offcanvas Backdrop */
.offcanvas-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.offcanvas-backdrop.show {
    opacity: 1;
    visibility: visible;
}

/* Prevent body scroll when offcanvas is open */
body.offcanvas-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* Hide offcanvas elements on desktop (992px+) */
@media (min-width: 992px) {
    .offcanvas-mobile,
    .offcanvas-backdrop {
        display: none !important;
    }

    body.offcanvas-open {
        overflow: auto;
        position: static;
    }
}

/* =============================================================================
   SECTION 3: TOUCH TARGETS & FORM CONTROLS (Tablet + Phone: <992px)
   ============================================================================= */

@media (max-width: 991.98px) {
    /* Buttons - minimum touch target */
    .btn {
        min-height: var(--touch-target-min);
        padding: 10px 16px;
    }

    .btn-sm {
        min-height: var(--touch-target-min);
        padding: 8px 14px;
        font-size: 0.9rem;
    }

    .btn-xs {
        min-height: 36px;
        padding: 6px 10px;
    }

    /* Form controls */
    .form-control,
    .form-control-sm,
    .custom-select,
    .custom-select-sm {
        min-height: var(--touch-target-min);
        padding: 10px 12px;
        font-size: 16px; /* Prevents iOS zoom on focus */
    }

    /* Textarea keeps auto height */
    textarea.form-control,
    textarea.form-control-sm {
        min-height: auto;
    }

    /* Custom checkboxes and radios (exclude switches which have their own sizing) */
    .custom-control:not(.custom-switch) {
        min-height: var(--touch-target-min);
        padding-left: 2rem;
        display: flex;
        align-items: center;
    }

    .custom-control:not(.custom-switch) .custom-control-label::before,
    .custom-control:not(.custom-switch) .custom-control-label::after {
        width: 1.25rem;
        height: 1.25rem;
        top: 50%;
        transform: translateY(-50%);
    }

    /* Custom switches - keep proper dimensions, just add touch-friendly sizing */
    .custom-switch {
        min-height: var(--touch-target-min);
        display: flex;
        align-items: center;
    }

    /* Bootstrap Select plugin */
    .bootstrap-select > .dropdown-toggle {
        min-height: var(--touch-target-min);
        padding: 10px 12px;
    }

    /* Dropdown items */
    .dropdown-item {
        padding: 12px 16px;
        min-height: var(--touch-target-min);
    }

    /* Nav pills and tabs */
    .nav-link {
        padding: 12px 16px;
        min-height: var(--touch-target-min);
    }

    .nav-pills .nav-link,
    .nav-tabs .nav-link {
        padding: 10px 14px;
    }

    /* Input groups */
    .input-group > .form-control,
    .input-group > .custom-select {
        min-height: var(--touch-target-min);
    }

    .input-group-text {
        min-height: var(--touch-target-min);
        padding: 10px 12px;
    }

    /* Close buttons */
    .close {
        min-width: var(--touch-target-min);
        min-height: var(--touch-target-min);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Card actions */
    .card-header .btn,
    .card-footer .btn {
        min-height: 40px;
    }
}

/* Phone-only form adjustments (<576px) */
@media (max-width: 575.98px) {
    /* Scope grids - 2 columns instead of 4 */
    .scope-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    /* Inline checkboxes stack */
    .form-check-inline {
        display: block;
        margin-right: 0;
        margin-bottom: 8px;
    }

    /* Form groups full width */
    .form-inline .form-group {
        flex: 0 0 100%;
        margin-bottom: 10px;
    }

    .form-inline .form-control {
        width: 100%;
    }

    /* Button groups stack */
    .btn-group-vertical-xs {
        flex-direction: column;
    }

    .btn-group-vertical-xs > .btn {
        margin-left: 0 !important;
        margin-bottom: 4px;
        border-radius: 4px !important;
    }
}

/* =============================================================================
   SECTION 4: RESPONSIVE TABLES
   ============================================================================= */

/* Improved table-responsive with momentum scrolling */
.table-responsive {
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1rem;
}

/* Tablet: Compact table styling (768px - 991px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 0.5rem 0.4rem;
    }

    .table-sm th,
    .table-sm td {
        padding: 0.35rem 0.3rem;
    }
}

/* Phone: Card-style tables (<768px) */
@media (max-width: 767.98px) {
    /* Apply card layout to tables with this class */
    .table-mobile-cards {
        border: none;
        background: transparent;
    }

    .table-mobile-cards thead {
        display: none;
    }

    .table-mobile-cards tbody {
        display: block;
    }

    .table-mobile-cards tbody tr {
        display: block;
        margin-bottom: 12px;
        background: #fff;
        border: 1px solid var(--gray-300);
        border-radius: 8px;
        padding: 12px;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    .table-mobile-cards tbody tr:hover {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    }

    .table-mobile-cards tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border: none;
        border-bottom: 1px solid #f0f0f0;
        text-align: right;
    }

    .table-mobile-cards tbody td:last-child {
        border-bottom: none;
    }

    /* Data label from data-label attribute */
    .table-mobile-cards tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--gray-600);
        font-size: 0.8rem;
        text-transform: uppercase;
        letter-spacing: 0.02em;
        flex-shrink: 0;
        margin-right: 12px;
        text-align: left;
    }

    /* Hide label for cells without data-label */
    .table-mobile-cards tbody td:not([data-label])::before {
        content: none;
    }

    /* Primary identifier styling (first cell or ACID/Callsign) */
    .table-mobile-cards tbody td.td-primary,
    .table-mobile-cards tbody td[data-label="ACID"],
    .table-mobile-cards tbody td[data-label="Callsign"] {
        font-weight: 700;
        font-size: 1rem;
        background: var(--gray-100);
        margin: -12px -12px 8px -12px;
        padding: 10px 12px !important;
        border-radius: 8px 8px 0 0;
        border-bottom: 2px solid var(--gray-200);
        justify-content: flex-start;
    }

    .table-mobile-cards tbody td.td-primary::before,
    .table-mobile-cards tbody td[data-label="ACID"]::before,
    .table-mobile-cards tbody td[data-label="Callsign"]::before {
        display: none;
    }

    /* Actions cell full width */
    .table-mobile-cards tbody td.td-actions {
        justify-content: center;
        padding-top: 12px !important;
        gap: 8px;
    }

    .table-mobile-cards tbody td.td-actions::before {
        display: none;
    }

    /* Badge in table cells */
    .table-mobile-cards tbody td .badge {
        font-size: 0.75rem;
    }

    /* Status colors in cards */
    .table-mobile-cards tbody tr.table-success {
        border-left: 4px solid #28a745;
    }

    .table-mobile-cards tbody tr.table-warning {
        border-left: 4px solid #ffc107;
    }

    .table-mobile-cards tbody tr.table-danger {
        border-left: 4px solid #dc3545;
    }

    .table-mobile-cards tbody tr.table-info {
        border-left: 4px solid #17a2b8;
    }
}

/* Tables that should always scroll horizontally */
.table-scroll-always {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Sticky first column for wide tables */
@media (max-width: 1199.98px) {
    .table-sticky-col th:first-child,
    .table-sticky-col td:first-child {
        position: sticky;
        left: 0;
        background: inherit;
        z-index: 5;
        box-shadow: 2px 0 4px rgba(0, 0, 0, 0.1);
    }

    .table-sticky-col thead th:first-child {
        z-index: 6;
    }
}

/* =============================================================================
   SECTION 5: MODALS
   ============================================================================= */

/* Tablet: Centered modal with max-width (768px - 991px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .modal-lg,
    .modal-xl {
        max-width: 90%;
    }

    .modal-body {
        max-height: 70vh;
        overflow-y: auto;
    }
}

/* Phone: Full-screen modals (<768px) */
@media (max-width: 767.98px) {
    .modal-dialog {
        margin: 0;
        max-width: 100%;
        width: 100%;
        height: 100%;
        max-height: 100%;
    }

    .modal-content {
        border: none;
        border-radius: 0;
        min-height: 100vh;
        min-height: 100dvh;
        display: flex;
        flex-direction: column;
    }

    .modal-lg .modal-content,
    .modal-xl .modal-content {
        min-height: 100vh;
        min-height: 100dvh;
    }

    /* Sticky header */
    .modal-header {
        position: sticky;
        top: 0;
        background: #fff;
        z-index: 10;
        border-radius: 0;
        padding: 12px 16px;
        flex-shrink: 0;
    }

    .modal-title {
        font-size: 1.1rem;
    }

    /* Scrollable body */
    .modal-body {
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: var(--mobile-spacing);
    }

    /* Sticky footer */
    .modal-footer {
        position: sticky;
        bottom: 0;
        background: #fff;
        z-index: 10;
        padding: 12px 16px;
        border-radius: 0;
        flex-shrink: 0;
        gap: 8px;
    }

    .modal-footer .btn {
        flex: 1;
        margin: 0;
    }

    /* Form layouts in modals - stack columns */
    .modal-body .row > [class*="col-md"],
    .modal-body .row > [class*="col-lg"],
    .modal-body .form-row > [class*="col-md"],
    .modal-body .form-row > [class*="col-lg"] {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 12px;
    }

    /* Keep col-6 as 50% on phone in modals for compact items */
    .modal-body .row > .col-6,
    .modal-body .form-row > .col-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* =============================================================================
   SECTION 6: FIXED PANELS (Simulator, NOD, etc.)
   ============================================================================= */

/* Tablet: Narrower slide-in panel (768px - 991px) */
@media (min-width: 768px) and (max-width: 991.98px) {
    .panel-slide {
        width: 360px !important;
        max-width: 360px !important;
    }
}

/* Phone: Full-width slide-in panel (<768px) */
@media (max-width: 767.98px) {
    .panel-slide {
        position: fixed !important;
        right: 0;
        top: var(--navbar-height);
        width: 100% !important;
        max-width: 100% !important;
        height: calc(100vh - var(--navbar-height));
        height: calc(100dvh - var(--navbar-height));
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1020;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .panel-slide.show {
        transform: translateX(0);
    }

    /* Panel toggle FAB */
    .panel-toggle-fab {
        position: fixed;
        right: 16px;
        bottom: 16px;
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--dark-bg-page) 0%, var(--dark-bg-panel) 100%);
        color: #fff;
        border: 2px solid var(--nav-accent-cyan);
        z-index: 1010;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.25rem;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
        cursor: pointer;
        transition: transform 0.2s, box-shadow 0.2s;
    }

    .panel-toggle-fab:hover,
    .panel-toggle-fab:focus {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
        outline: none;
    }

    .panel-toggle-fab:active {
        transform: scale(0.95);
    }

    /* Hide FAB when panel is open */
    .panel-slide.show ~ .panel-toggle-fab {
        display: none;
    }
}

/* =============================================================================
   SECTION 7: PAGE-SPECIFIC - PLAN PAGE
   ============================================================================= */

@media (max-width: 991.98px) {
    /* Convert vertical nav to horizontal scrolling tabs */
    .plan-nav.nav.flex-column {
        flex-direction: row !important;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
        margin-bottom: 16px;
        border-bottom: 2px solid var(--gray-300);
        gap: 4px;
    }

    .plan-nav.nav.flex-column .nav-link {
        white-space: nowrap;
        padding: 10px 16px;
        border-radius: 20px;
        font-size: 0.9rem;
    }

    .plan-nav.nav.flex-column hr {
        display: none;
    }

    /* Sidebar becomes full width */
    .plan-sidebar {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        margin-bottom: 16px;
    }

    /* Main content full width */
    .plan-content {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
}

/* =============================================================================
   SECTION 8: PAGE-SPECIFIC - DEMAND PAGE
   ============================================================================= */

@media (max-width: 991.98px) {
    /* Info bar horizontal scroll */
    .perti-info-bar {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 8px;
    }

    .perti-info-bar > .row {
        flex-wrap: nowrap;
        margin: 0;
    }

    .perti-info-card {
        min-width: 140px;
        flex-shrink: 0;
    }

    /* Filter panel full width */
    .demand-filters {
        flex: 0 0 100% !important;
        max-width: 100% !important;
        margin-bottom: 16px;
    }

    /* Chart column full width */
    .demand-chart {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }
}

/* Tablet chart height */
@media (min-width: 768px) and (max-width: 991.98px) {
    .demand-chart-container {
        height: 350px;
        min-height: 320px;
    }
}

/* Phone chart height */
@media (max-width: 767.98px) {
    .demand-chart-container {
        height: 280px;
        min-height: 260px;
    }

    /* Compact legend */
    .demand-legend-item {
        font-size: 0.7rem;
        margin-right: 8px;
        margin-bottom: 4px;
    }
}

/* =============================================================================
   SECTION 9: PAGE-SPECIFIC - CONFIGS PAGE
   ============================================================================= */

@media (max-width: 767.98px) {
    /* Filter row stacks */
    .configs-filters .row > [class*="col-md"] {
        flex: 0 0 100%;
        max-width: 100%;
        margin-bottom: 8px;
    }

    /* Stats grid 2-column */
    .config-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .config-stats .stat-item {
        padding: 8px;
        text-align: center;
    }

    .config-stats .stat-value {
        font-size: 1.2rem;
    }

    /* Bulk actions wrap */
    .bulk-actions {
        flex-wrap: wrap;
        gap: 4px;
    }

    .bulk-actions .btn {
        flex: 1 1 auto;
        min-width: 100px;
    }
}

/* Tablet: 2-column filter row */
@media (min-width: 768px) and (max-width: 991.98px) {
    .configs-filters .row > .col-md-3 {
        flex: 0 0 50%;
        max-width: 50%;
    }
}

/* =============================================================================
   SECTION 10: PAGE-SPECIFIC - GDT PAGE
   ============================================================================= */

@media (max-width: 767.98px) {
    /* Flight table cards */
    .gdt-flight-table {
        /* Inherits .table-mobile-cards styles */
    }

    /* Control panel full width */
    .gdt-controls {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }

    /* Map container adjustments */
    .gdt-map-container {
        height: 300px;
        min-height: 280px;
    }
}

/* =============================================================================
   SECTION 11: PAGE-SPECIFIC - SIMULATOR PAGE
   ============================================================================= */

@media (max-width: 991.98px) {
    /* Simulator panel becomes slide-in */
    .sim-panel {
        position: fixed !important;
        right: 0;
        top: var(--navbar-height);
        width: 100% !important;
        max-width: 100% !important;
        min-width: unset !important;
        height: calc(100vh - var(--navbar-height));
        height: calc(100dvh - var(--navbar-height));
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1020;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        background: var(--dark-bg-page);
    }

    .sim-panel.show {
        transform: translateX(0);
    }

    /* Map takes full width */
    .sim-map-container {
        width: 100% !important;
        height: calc(100vh - var(--navbar-height));
        height: calc(100dvh - var(--navbar-height));
    }

    /* Sim buttons larger */
    .sim-btn {
        min-height: var(--touch-target-min);
        padding: 10px 14px;
    }

    /* Sim inputs larger */
    .sim-input,
    .sim-select {
        min-height: var(--touch-target-min);
        padding: 10px 12px;
        font-size: 16px;
    }
}

/* Tablet: Narrower simulator panel */
@media (min-width: 768px) and (max-width: 991.98px) {
    .sim-panel {
        width: 360px !important;
        max-width: 360px !important;
    }
}

/* =============================================================================
   SECTION 12: UTILITY CLASSES
   ============================================================================= */

/* Hide on mobile */
@media (max-width: 767.98px) {
    .d-mobile-none {
        display: none !important;
    }
}

/* Hide on tablet */
@media (min-width: 768px) and (max-width: 991.98px) {
    .d-tablet-none {
        display: none !important;
    }
}

/* Show only on mobile */
@media (min-width: 768px) {
    .d-mobile-only {
        display: none !important;
    }
}

/* Show only on tablet */
@media (max-width: 767.98px), (min-width: 992px) {
    .d-tablet-only {
        display: none !important;
    }
}

/* Full width on mobile */
@media (max-width: 767.98px) {
    .w-mobile-100 {
        width: 100% !important;
    }
}

/* Full width on tablet and below */
@media (max-width: 991.98px) {
    .w-tablet-100 {
        width: 100% !important;
    }
}

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

/* Stack buttons on mobile */
@media (max-width: 575.98px) {
    .btn-stack-mobile {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .btn-stack-mobile .btn {
        width: 100%;
        margin: 0 !important;
    }
}

/* =============================================================================
   SECTION 13: SCROLLBAR STYLING (TOUCH DEVICES)
   ============================================================================= */

@media (max-width: 991.98px) {
    /* Thinner scrollbars on touch devices */
    ::-webkit-scrollbar {
        width: 6px;
        height: 6px;
    }

    ::-webkit-scrollbar-track {
        background: transparent;
    }

    ::-webkit-scrollbar-thumb {
        background: rgba(0, 0, 0, 0.2);
        border-radius: 3px;
    }

    ::-webkit-scrollbar-thumb:hover {
        background: rgba(0, 0, 0, 0.3);
    }

    /* Hide scrollbar but allow scrolling */
    .scrollbar-hidden {
        -ms-overflow-style: none;
        scrollbar-width: none;
    }

    .scrollbar-hidden::-webkit-scrollbar {
        display: none;
    }
}