/* ============================================================
   AirlineClass - Dark Aviation Theme
   ============================================================ */

:root {
    --bg-primary: #0f1923;
    --bg-secondary: #1a2332;
    --bg-card: #1e2a3a;
    --bg-card-hover: #243447;
    --bg-input: #162029;
    --border-color: #2a3a4e;
    --border-light: #344a60;
    --text-primary: #e8edf2;
    --text-secondary: #8899aa;
    --text-muted: #5a6a7a;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-blue-light: #60a5fa;
    --accent-cyan: #06b6d4;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-yellow: #f59e0b;
    --accent-orange: #f97316;
    --accent-purple: #8b5cf6;
    --sidebar-width: 240px;
    --sidebar-collapsed: 60px;
    --topbar-height: 56px;
    --radius: 8px;
    --radius-sm: 4px;
    --shadow: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.4);
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow: hidden;
}

a {
    color: var(--accent-blue-light);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* ---- Layout ---- */
#app-layout {
    display: flex;
    height: 100vh;
    width: 100vw;
}

/* ---- Sidebar ---- */
#sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 100;
}

#sidebar .sidebar-header {
    padding: 16px 18px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: var(--topbar-height);
}

#sidebar .sidebar-header .logo-icon {
    font-size: 22px;
}

#sidebar .sidebar-header .logo-text {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-blue-light);
    white-space: nowrap;
}

#sidebar nav {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

#sidebar nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13.5px;
    border-left: 3px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}
#sidebar nav a:hover {
    color: var(--text-primary);
    background: var(--bg-card);
    text-decoration: none;
}
#sidebar nav a.active {
    color: var(--accent-blue-light);
    background: rgba(59,130,246,0.08);
    border-left-color: var(--accent-blue);
}
#sidebar nav a .nav-icon {
    font-size: 17px;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}
#sidebar nav a .nav-label {
    overflow: hidden;
}
#sidebar nav .nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 6px 18px;
}
#sidebar .sidebar-footer {
    padding: 12px 18px;
    border-top: 1px solid var(--border-color);
    font-size: 11px;
    color: var(--text-muted);
}

/* ---- Main Area ---- */
#main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* ---- Top Bar ---- */
#topbar {
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    gap: 16px;
}
#topbar .topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
#topbar .topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}
#topbar .topbar-right .user-info {
    display: flex;
    align-items: center;
    gap: 8px;
}
#topbar .hamburger {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    cursor: pointer;
    padding: 4px;
}

/* ---- Content ---- */
#content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.legal-footer {
    min-height: 44px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding: 8px 16px;
    font-size: 12px;
}

.legal-footer a {
    color: var(--text-secondary);
}

.legal-footer a:hover,
.legal-footer a:focus-visible {
    color: var(--accent-blue-light);
    text-decoration: underline;
}

/* Keep TU logo size stable even before optional theme overrides load. */
.tud-footer-logo {
    height: 30px;
    width: auto;
    object-fit: contain;
}

#auth-view {
    position: relative;
    padding-bottom: 56px;
}

#auth-legal-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

/* ---- Page Header ---- */
.page-header {
    margin-bottom: 24px;
}
.page-header h1 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 4px;
}
.page-header p {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 16px;
}
.card-header {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
.card-header .card-icon {
    margin-right: 6px;
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 18px;
    transition: var(--transition);
}
.kpi-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}
.kpi-card .kpi-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}
.kpi-card .kpi-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}
.kpi-card .kpi-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}
.kpi-card.kpi-green .kpi-value { color: var(--accent-green); }
.kpi-card.kpi-red .kpi-value { color: var(--accent-red); }
.kpi-card.kpi-blue .kpi-value { color: var(--accent-blue-light); }
.kpi-card.kpi-yellow .kpi-value { color: var(--accent-yellow); }
.kpi-card.kpi-cyan .kpi-value { color: var(--accent-cyan); }

/* ---- Tables ---- */
.table-wrapper {
    overflow-x: auto;
    margin-bottom: 16px;
}
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
table thead th {
    text-align: left;
    padding: 10px 14px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}
table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}
table tbody tr:hover {
    background: var(--bg-card-hover);
}
table tbody tr:last-child td {
    border-bottom: none;
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}
.form-row {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.form-row .form-group {
    flex: 1;
    min-width: 180px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
input::placeholder, textarea::placeholder {
    color: var(--text-muted);
}
select {
    cursor: pointer;
    appearance: auto;
}

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    text-decoration: none;
}
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.btn-primary {
    background: var(--accent-blue);
    color: #fff;
}
.btn-primary:hover:not(:disabled) {
    background: var(--accent-blue-hover);
}
.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--border-color);
}
.btn-secondary:hover:not(:disabled) {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
}
.btn-danger {
    background: var(--accent-red);
    color: #fff;
}
.btn-danger:hover:not(:disabled) {
    background: #dc2626;
}
.btn-success {
    background: var(--accent-green);
    color: #fff;
}
.btn-success:hover:not(:disabled) {
    background: #059669;
}
.btn-warning {
    background: var(--accent-yellow);
    color: #000;
}
.btn-warning:hover:not(:disabled) {
    background: #d97706;
}
.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}
.btn-lg {
    padding: 12px 28px;
    font-size: 15px;
}
.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 99px;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}
.badge-green {
    background: rgba(16,185,129,0.15);
    color: var(--accent-green);
}
.badge-red {
    background: rgba(239,68,68,0.15);
    color: var(--accent-red);
}
.badge-yellow {
    background: rgba(245,158,11,0.15);
    color: var(--accent-yellow);
}
.badge-blue {
    background: rgba(59,130,246,0.15);
    color: var(--accent-blue-light);
}
.badge-gray {
    background: rgba(100,116,139,0.15);
    color: var(--text-secondary);
}
.badge-purple {
    background: rgba(139,92,246,0.15);
    color: var(--accent-purple);
}

/* ---- Login / Auth ---- */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.auth-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}
.auth-box .auth-logo {
    text-align: center;
    margin-bottom: 28px;
}
.auth-box .auth-logo .logo-icon {
    font-size: 42px;
    display: block;
    margin-bottom: 8px;
}
.auth-box .auth-logo h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-blue-light);
}
.auth-box .auth-logo p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 4px;
}
.auth-box .btn {
    width: 100%;
    margin-top: 8px;
}
.auth-box .auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

/* ---- Loading Spinner ---- */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
.spinner-lg {
    width: 36px;
    height: 36px;
    border-width: 3px;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}
.loading-container {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 12px;
    color: var(--text-secondary);
}

/* ---- Toast Notifications ---- */
#toast-container {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 380px;
}
.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 14px 18px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.25s ease;
    font-size: 13px;
}
.toast.toast-success { border-left: 3px solid var(--accent-green); }
.toast.toast-error { border-left: 3px solid var(--accent-red); }
.toast.toast-warning { border-left: 3px solid var(--accent-yellow); }
.toast.toast-info { border-left: 3px solid var(--accent-blue); }
.toast .toast-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }
.toast .toast-body { flex: 1; }
.toast .toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 0;
    line-height: 1;
}
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ---- Empty State ---- */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
}
.empty-state .empty-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.5;
}
.empty-state p {
    font-size: 14px;
}

/* ---- Grid Layouts ---- */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* ---- Tab bar ---- */
.tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 20px;
}
.tab-bar button {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    font-weight: 500;
    transition: var(--transition);
}
.tab-bar button:hover {
    color: var(--text-primary);
}
.tab-bar button.active {
    color: var(--accent-blue-light);
    border-bottom-color: var(--accent-blue);
}

/* ---- Simple bar chart (CSS-only) ---- */
.bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 120px;
    padding-top: 8px;
}
.bar-chart .bar {
    flex: 1;
    min-width: 20px;
    background: var(--accent-blue);
    border-radius: 3px 3px 0 0;
    position: relative;
    transition: var(--transition);
    cursor: default;
}
.bar-chart .bar:hover {
    background: var(--accent-blue-light);
}
.bar-chart .bar .bar-label {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
}
.bar-chart .bar .bar-value {
    position: absolute;
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--text-secondary);
    white-space: nowrap;
}

/* ---- Utility ---- */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-green { color: var(--accent-green); }
.text-red { color: var(--accent-red); }
.text-yellow { color: var(--accent-yellow); }
.text-blue { color: var(--accent-blue-light); }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: 12px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mr-8 { margin-right: 8px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.hidden { display: none !important; }

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--border-light);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    #sidebar {
        position: fixed;
        left: -260px;
        top: 0;
        height: 100vh;
        transition: left 0.3s ease;
        z-index: 200;
    }
    #sidebar.open {
        left: 0;
    }
    #topbar .hamburger {
        display: block;
    }
    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 150;
    }
    .sidebar-overlay.active {
        display: block;
    }
    .kpi-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    }
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    #content {
        padding: 16px;
    }
    .legal-footer {
        gap: 12px;
        flex-wrap: wrap;
        padding: 10px 12px;
    }
    .auth-box {
        padding: 28px 20px;
    }
    .sched-gantt-row {
        grid-template-columns: 120px minmax(700px, 1fr);
    }
    .sched-gantt-scale-row {
        grid-template-columns: 120px minmax(700px, 1fr);
    }
    .sched-leg-chip {
        height: 44px;
        top: 10px;
        padding: 4px 6px;
    }
    .sched-slot-summary-header {
        align-items: flex-start;
    }
    .news-toolbar {
        grid-template-columns: 1fr;
    }
}

/* ---- Legal page ---- */
.legal-page {
    overflow: auto;
}

.legal-shell {
    max-width: 980px;
    margin: 0 auto;
    padding: 28px 24px 48px;
}

.legal-shell h1 {
    font-size: 26px;
    margin-bottom: 8px;
}

.legal-shell h2 {
    font-size: 20px;
    margin: 26px 0 12px;
    color: var(--accent-blue-light);
}

.legal-shell h3 {
    font-size: 15px;
    margin: 18px 0 8px;
}

.legal-shell p,
.legal-shell li {
    color: var(--text-secondary);
    line-height: 1.7;
}

.legal-shell ul {
    padding-left: 20px;
}

.legal-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 14px;
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr 1fr;
    }
    .form-row {
        flex-direction: column;
    }
    .form-row .form-group {
        min-width: 100%;
    }
}

/* ---- Modal Overlay ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    max-width: 680px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 15px;
}
#modal-body {
    padding: 20px;
}

/* ---- News/Event Cards ---- */
.news-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--text-muted);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 12px;
}
.news-card.news-announcement { border-left-color: var(--accent-blue); }
.news-card.news-fuel_spike { border-left-color: var(--accent-yellow); }
.news-card.news-demand_surge { border-left-color: var(--accent-green); }
.news-card.news-recession { border-left-color: var(--accent-red); }
.news-card.news-boom { border-left-color: var(--accent-green); }
.news-card.news-pandemic { border-left-color: var(--accent-red); }
.news-card.news-airport_closure { border-left-color: var(--accent-orange); }
.news-card .news-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--text-secondary);
}
.news-card h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
}
.news-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ---- News Toolbar ---- */
.news-toolbar {
    display: grid;
    grid-template-columns: minmax(280px, 1fr) minmax(320px, 1fr);
    gap: 12px;
    align-items: start;
    margin-bottom: 12px;
}
.news-tool-card {
    padding: 12px 14px;
    margin-bottom: 0;
}
.news-tool-card .card-header {
    margin-bottom: 8px;
}
.news-tool-card .card-header h3 {
    font-size: 13px;
}
.news-tool-card .form-group {
    margin-bottom: 8px;
}
.news-tool-card .form-group label {
    font-size: 12px;
    margin-bottom: 4px;
}
.news-tool-card input[type="text"],
.news-tool-card select,
.news-tool-card textarea {
    padding: 7px 10px;
    font-size: 13px;
}
.news-tool-card #news-post-message {
    min-height: 64px;
}
.news-tool-card .btn {
    padding: 7px 12px;
}
.news-filter-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 2px;
}

/* ---- Intel Product Cards ---- */
.intel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}
.intel-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.intel-card h4 {
    font-size: 14px;
    font-weight: 600;
}
.intel-card .intel-desc {
    font-size: 12px;
    color: var(--text-secondary);
    flex: 1;
}
.intel-card .intel-price {
    font-size: 16px;
    font-weight: 700;
    color: var(--accent-yellow);
}

/* ---- Slider input ---- */
input[type="range"] {
    width: 100%;
    accent-color: var(--accent-blue);
}

/* ---- Checkbox inline ---- */
.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}
.checkbox-row input[type="checkbox"] {
    width: auto;
    accent-color: var(--accent-blue);
}

/* ---- Inline edit row ---- */
.inline-edit {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-blue);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-top: 8px;
}
.inline-edit .form-row {
    margin-bottom: 0;
}

/* ---- Tab content ---- */
.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
}

/* ---- Map ---- */
.map-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    height: calc(100vh - 160px);
    min-height: 500px;
}
.leaflet-map {
    height: 100%;
    width: 100%;
}
/* Dark-themed map popups */
.leaflet-popup-content-wrapper {
    background: var(--bg-card);
    color: var(--text-primary);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}
.leaflet-popup-tip {
    background: var(--bg-card);
}
.leaflet-container a.leaflet-popup-close-button {
    color: var(--text-secondary);
}
.leaflet-container a.leaflet-popup-close-button:hover {
    color: var(--text-primary);
}

/* ---- Scheduling Timeline / Gantt ---- */
.sched-conn-kpis {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-bottom: 12px;
}
.kpi-chip {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.kpi-chip span {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.kpi-chip strong {
    font-size: 14px;
    color: var(--text-primary);
}
.sched-validation-lists {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
    margin-top: 8px;
}
.sched-validation-lists ul {
    margin: 0;
    padding-left: 18px;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.6;
}
.sched-slot-summary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 12px;
}
.sched-slot-summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    flex-wrap: wrap;
}
.sched-gantt-wrap {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.05));
    overflow: hidden;
}
.sched-gantt-scale {
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    position: sticky;
    top: 0;
    z-index: 2;
}
.sched-gantt-scale-row {
    display: grid;
    grid-template-columns: 150px minmax(900px, 1fr);
    gap: 10px;
    align-items: stretch;
    padding: 8px;
}
.sched-gantt-scale-label {
    border: 1px solid transparent;
}
.sched-gantt-scale-track {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: rgba(22,32,41,0.55);
}
.sched-gantt-days {
    position: relative;
    height: 28px;
}
.sched-gantt-day {
    position: absolute;
    top: 0;
    height: 100%;
    border-right: 1px solid rgba(255,255,255,0.04);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-secondary);
}
.sched-gantt-hours {
    position: relative;
    height: 22px;
    border-top: 1px solid rgba(255,255,255,0.04);
}
.sched-gantt-hours span {
    position: absolute;
    top: 3px;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--text-muted);
    white-space: nowrap;
}
.sched-gantt-body {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px;
}
.sched-gantt-row {
    display: grid;
    grid-template-columns: 150px minmax(900px, 1fr);
    gap: 10px;
    align-items: stretch;
    margin-bottom: 8px;
}
.sched-gantt-row:last-child {
    margin-bottom: 0;
}
.sched-gantt-label {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 64px;
}
.sched-gantt-reg {
    font-weight: 600;
    color: var(--accent-blue-light);
}
.sched-gantt-track {
    position: relative;
    min-height: 64px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(22,32,41,0.6);
    overflow: hidden;
}
.sched-gantt-track-grid {
    position: absolute;
    inset: 0;
}
.sched-gantt-day-line,
.sched-gantt-hour-line {
    position: absolute;
    top: 0;
    bottom: 0;
}
.sched-gantt-day-line {
    width: 1px;
    background: rgba(96,165,250,0.10);
}
.sched-gantt-hour-line {
    width: 1px;
    background: rgba(255,255,255,0.035);
}
.sched-leg-chip {
    position: absolute;
    top: 8px;
    height: 48px;
    border-radius: 7px;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 2px;
    padding: 5px 8px;
    color: #fff;
    text-align: left;
    overflow: hidden;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.25);
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}
.sched-leg-chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.32);
    border-color: rgba(255,255,255,0.25);
}
.sched-leg-chip.is-outbound {
    background: linear-gradient(135deg, rgba(59,130,246,0.92), rgba(6,182,212,0.85));
}
.sched-leg-chip.is-return {
    background: linear-gradient(135deg, rgba(16,185,129,0.90), rgba(59,130,246,0.72));
}
.sched-leg-chip.is-positioning {
    background: linear-gradient(135deg, rgba(148,163,184,0.94), rgba(71,85,105,0.92));
    border-style: dashed;
}
.sched-leg-chip.has-overlap {
    border-color: rgba(245,158,11,0.8);
    box-shadow: 0 0 0 1px rgba(245,158,11,0.35), 0 2px 6px rgba(0,0,0,0.25);
}
.sched-leg-chip.ta-risk {
    box-shadow: inset 0 0 0 1px rgba(239,68,68,0.45), 0 2px 6px rgba(0,0,0,0.25);
}
.sched-leg-chip.has-overlap.ta-risk {
    border-color: rgba(239,68,68,0.85);
}
.sched-leg-route {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sched-leg-time {
    font-size: 10px;
    opacity: 0.95;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}