/* ============================================================
   Fleet Tracker — Premium Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
    /* Sidebar */
    --sidebar-bg: #0b1628;
    --sidebar-bg2: #0e1e38;
    --sidebar-width: 260px;
    --sidebar-text: #8fa3bf;
    --sidebar-text-hover: #ffffff;
    --sidebar-active-bg: rgba(20, 184, 166, 0.15);
    --sidebar-active-border: #14b8a6;

    /* Content */
    --bg: #f0f4f8;
    --surface: #ffffff;
    --surface2: #f8fafc;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;

    /* Typography */
    --ink: #0f172a;
    --ink-muted: #64748b;
    --ink-faint: #94a3b8;

    /* Brand / Accent */
    --teal: #14b8a6;
    --teal-dark: #0f766e;
    --teal-glow: rgba(20, 184, 166, 0.18);
    --navy: #1e3a5f;

    /* Semantic */
    --success: #10b981;
    --success-bg: #d1fae5;
    --success-text: #065f46;
    --warning: #f59e0b;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --info: #3b82f6;
    --info-bg: #dbeafe;
    --info-text: #1e40af;
    --purple: #8b5cf6;
    --purple-bg: #ede9fe;
    --purple-text: #5b21b6;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.08);

    /* Radius */
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;

    /* Transitions */
    --transition: all 0.2s ease;
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { height: 100%; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* ── App Shell ──────────────────────────────────────────────── */
.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
    background: linear-gradient(180deg, var(--sidebar-bg) 0%, var(--sidebar-bg2) 100%);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    padding: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 200;
    scrollbar-width: none;
    border-right: 1px solid rgba(255,255,255,0.04);
}
.sidebar::-webkit-scrollbar { display: none; }

.sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ffffff;
    text-decoration: none;
}

.brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--teal), var(--teal-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(20, 184, 166, 0.35);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-name {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
}

.brand-sub {
    font-size: 10px;
    color: var(--sidebar-text);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
}

.sidebar-nav {
    padding: 12px 12px;
    flex: 1;
}

.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(143, 163, 191, 0.5);
    padding: 16px 8px 6px;
}

.sidebar nav {
    display: grid;
    gap: 2px;
}

.sidebar a {
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    padding: 9px 12px;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.sidebar a .nav-icon {
    width: 20px;
    text-align: center;
    font-size: 15px;
    opacity: 0.7;
    transition: var(--transition);
    flex-shrink: 0;
}

.sidebar a:hover {
    background: rgba(255,255,255,0.07);
    color: var(--sidebar-text-hover);
}
.sidebar a:hover .nav-icon { opacity: 1; }

.sidebar a.active {
    background: var(--sidebar-active-bg);
    color: var(--teal);
    border: 1px solid rgba(20, 184, 166, 0.2);
}
.sidebar a.active .nav-icon { opacity: 1; color: var(--teal); }

.sidebar a.active::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--teal);
    border-radius: 0 3px 3px 0;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.sidebar-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--sidebar-text);
}

.status-dot {
    width: 7px;
    height: 7px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(0.85); }
}

/* ── Mobile Sidebar Toggle ──────────────────────────────────── */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 199;
    backdrop-filter: blur(2px);
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.hamburger:hover { background: var(--border); }
.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    transition: var(--transition);
}

/* ── Main Content ───────────────────────────────────────────── */
.app-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

/* ── Topbar ─────────────────────────────────────────────────── */
.topbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(240, 244, 248, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar h1 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: var(--ink);
    letter-spacing: -0.4px;
}

.topbar-subtitle {
    color: var(--ink-muted);
    margin: 0;
    font-size: 12.5px;
    font-weight: 400;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.topbar-icon-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--ink-muted);
    transition: var(--transition);
    text-decoration: none;
    font-size: 15px;
}
.topbar-icon-btn:hover {
    background: var(--surface2);
    color: var(--ink);
    border-color: var(--border-strong);
}

.admin-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 5px 12px 5px 5px;
}

.admin-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--teal), var(--navy));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.admin-chip span {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink);
}

.admin-chip a {
    font-size: 12px;
    color: var(--danger);
    text-decoration: none;
    font-weight: 500;
    padding-left: 4px;
    border-left: 1px solid var(--border);
    margin-left: 2px;
    transition: var(--transition);
}
.admin-chip a:hover { color: var(--danger); opacity: 0.8; }

/* ── Page Content ───────────────────────────────────────────── */
.page-content {
    padding: 24px 28px;
    flex: 1;
    animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Panels / Cards ─────────────────────────────────────────── */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-sm);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    margin: 0;
}

.panel-title .panel-icon {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    background: var(--teal-glow);
    color: var(--teal-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.panel-divider {
    height: 1px;
    background: var(--border);
    margin: 16px -22px;
}

/* ── Section spacing ────────────────────────────────────────── */
.mb-4 { margin-bottom: 20px !important; }
.mb-3 { margin-bottom: 16px !important; }

/* ── Metric Cards ───────────────────────────────────────────── */
.metric-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.metric {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}
.metric:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--border-strong);
}

.metric::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 60px; height: 60px;
    border-radius: 0 var(--radius) 0 60px;
    opacity: 0.06;
}

.metric-vehicles::after { background: var(--teal); }
.metric-drivers::after  { background: var(--info); }
.metric-trips::after    { background: var(--success); }
.metric-alerts::after   { background: var(--danger); }

.metric-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 14px;
}

.metric-vehicles .metric-icon { background: var(--teal-glow); color: var(--teal-dark); }
.metric-drivers .metric-icon  { background: var(--info-bg); color: var(--info-text); }
.metric-trips .metric-icon    { background: var(--success-bg); color: var(--success-text); }
.metric-alerts .metric-icon   { background: var(--danger-bg); color: var(--danger-text); }

.metric-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.metric-value {
    font-size: 32px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1;
    letter-spacing: -1px;
}

/* ── Map ────────────────────────────────────────────────────── */
.map-view {
    height: 520px;
    min-height: 360px;
    width: 100%;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.fleet-layer-switcher {
    display: flex !important;
    overflow: hidden;
    max-width: calc(100vw - 32px);
}

.fleet-layer-switcher button {
    width: auto !important;
    min-width: 64px;
    padding: 0 10px !important;
    font: 600 11px/30px 'Inter', system-ui, sans-serif !important;
    color: #334155;
    white-space: nowrap;
}

.fleet-layer-switcher button.active {
    background: #14b8a6 !important;
    color: #ffffff !important;
}

.fleet-coordinate-readout {
    background: rgba(15, 23, 42, 0.86);
    color: #ffffff;
    border-radius: 4px;
    padding: 5px 8px;
    font: 600 11px/1.2 'Inter', system-ui, sans-serif;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.18);
    pointer-events: none;
}

.route-point-marker {
    position: relative;
    width: 26px;
    height: 26px;
    box-sizing: border-box;
    flex: 0 0 26px;
    border-radius: 50%;
    color: #ffffff;
    border: 3px solid #ffffff;
    box-shadow: 0 3px 12px rgba(15, 23, 42, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    line-height: 1;
    cursor: pointer;
    pointer-events: auto;
}

.route-point-marker.has-heading {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
    font-size: 11px;
}

.marker-heading-arrow {
    position: absolute;
    left: 50%;
    top: -16px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 14px solid #0f766e;
    filter: drop-shadow(0 1px 2px rgba(15, 23, 42, 0.35));
    transform: translateX(-50%) rotate(var(--heading, 0deg));
    transform-origin: 50% 22px;
}

.route-direction-arrow {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1.5px solid #14b8a6;
    box-shadow: 0 1px 5px rgba(15, 23, 42, 0.2);
    position: relative;
    box-sizing: border-box;
    pointer-events: none;
}

.route-direction-arrow::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 2px;
    width: 0;
    height: 0;
    border-left: 3.5px solid transparent;
    border-right: 3.5px solid transparent;
    border-bottom: 7px solid #0f766e;
    transform: translateX(-50%);
}

.map-label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: #fef2f2;
    color: var(--danger);
    border: 1px solid #fecaca;
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 10.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.live-badge::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--danger);
    animation: pulse-dot 1.4s ease-in-out infinite;
}

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-sm);
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.data-table thead th {
    background: var(--surface2);
    color: var(--ink-muted);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    position: sticky;
    top: 0;
}

.data-table thead th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.data-table thead th:last-child  { border-radius: 0 var(--radius-sm) 0 0; }

.data-table tbody tr {
    transition: background 0.12s;
}
.data-table tbody tr:hover td { background: #f8fafc; }

.data-table tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--ink);
    font-size: 13.5px;
    vertical-align: middle;
}
.data-table tbody tr:last-child td { border-bottom: none; }

.driver-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--navy), var(--teal-dark));
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cell-name {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ── Status Pills ────────────────────────────────────────────── */
.pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    text-transform: capitalize;
    white-space: nowrap;
}

.pill::before {
    content: '';
    width: 5px; height: 5px;
    border-radius: 50%;
    background: currentColor;
}

.pill-moving   { background: var(--success-bg); color: var(--success-text); }
.pill-active   { background: var(--success-bg); color: var(--success-text); }
.pill-stopped  { background: var(--info-bg);    color: var(--info-text);    }
.pill-delayed  { background: var(--warning-bg); color: var(--warning-text); }
.pill-offline  { background: var(--danger-bg);  color: var(--danger-text);  }
.pill-inactive { background: #f1f5f9;           color: var(--ink-faint);    }
.pill-completed{ background: var(--purple-bg);  color: var(--purple-text);  }
.pill-cancelled{ background: var(--danger-bg);  color: var(--danger-text);  }
.pill-open     { background: var(--warning-bg); color: var(--warning-text); }
.pill-closed   { background: #f1f5f9;           color: var(--ink-faint);    }

/* Alert type pills */
.pill-overspeed  { background: #fff7ed; color: #c2410c; }
.pill-offline-t  { background: var(--danger-bg); color: var(--danger-text); }
.pill-low_battery{ background: var(--warning-bg); color: var(--warning-text); }
.pill-gps        { background: var(--info-bg);   color: var(--info-text); }

/* ── Vehicle Markers (map) ───────────────────────────────────── */
.vehicle-marker {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.vehicle-marker.has-heading::before {
    content: '';
    position: absolute;
    left: 50%;
    top: -18px;
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 16px solid #0f766e;
    filter: drop-shadow(0 1px 2px rgba(15, 23, 42, 0.35));
    transform: translateX(-50%) rotate(var(--vehicle-heading, 0deg));
    transform-origin: 50% 28px;
    pointer-events: none;
}

.marker-bubble {
    width: 38px; height: 38px;
    border-radius: 50% 50% 50% 4px;
    transform: rotate(-45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.25);
    transition: var(--transition);
}
.marker-bubble:hover { transform: rotate(-45deg) scale(1.12); }

.marker-inner {
    transform: rotate(45deg);
    font-size: 16px;
    line-height: 1;
}

.marker-label {
    margin-top: 4px;
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    background: rgba(0,0,0,0.65);
    border-radius: 3px;
    padding: 1px 4px;
    white-space: nowrap;
}

.vm-moving  .marker-bubble { background: var(--success); }
.vm-stopped .marker-bubble { background: var(--info); }
.vm-delayed .marker-bubble { background: var(--warning); }
.vm-offline .marker-bubble { background: var(--ink-muted); }
.vehicle-marker.vm-selected .marker-bubble {
    outline: 4px solid rgba(20, 184, 166, 0.28);
    box-shadow: 0 0 0 6px rgba(20, 184, 166, 0.14), 0 4px 16px rgba(0,0,0,0.25);
}

.live-position-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

.live-position-card {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
}

.live-position-card span {
    display: block;
    color: var(--ink-muted);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
    text-transform: uppercase;
}

.live-position-card strong {
    color: var(--ink);
    font-size: 15px;
    font-variant-numeric: tabular-nums;
}

/* MapLibre popup override */
.maplibregl-popup-content {
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-lg) !important;
    padding: 14px 16px !important;
    font-family: 'Inter', sans-serif !important;
    font-size: 13px !important;
    min-width: 180px;
}

.popup-reg {
    font-weight: 700;
    font-size: 14px;
    color: var(--ink);
    margin-bottom: 6px;
}

.popup-row {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 3px 0;
    color: var(--ink-muted);
    font-size: 12px;
    border-bottom: 1px solid var(--border);
}
.popup-row:last-child { border-bottom: none; }
.popup-row strong { color: var(--ink); }

/* ── Forms ──────────────────────────────────────────────────── */
.form-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--ink);
    margin: 0 0 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-label {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--ink-muted);
    margin-bottom: 5px;
    display: block;
}

.form-control, .form-select {
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 13.5px;
    font-family: inherit;
    background: var(--surface);
    color: var(--ink);
    width: 100%;
    transition: var(--transition);
    outline: none;
}

.form-control:focus, .form-select:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 600;
    padding: 8px 16px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--teal), var(--teal-dark));
    color: #fff;
    border-color: var(--teal-dark);
    box-shadow: 0 2px 8px rgba(20, 184, 166, 0.3);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #0dd6c2, var(--teal));
    box-shadow: 0 4px 14px rgba(20, 184, 166, 0.45);
    color: #fff;
    transform: translateY(-1px);
}

.btn-outline-primary {
    background: transparent;
    color: var(--teal-dark);
    border-color: var(--teal);
}
.btn-outline-primary:hover {
    background: var(--teal-glow);
    color: var(--teal-dark);
}

.btn-outline-danger {
    background: transparent;
    color: var(--danger);
    border-color: #fca5a5;
}
.btn-outline-danger:hover {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger);
}

.btn-secondary {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--border-strong);
}
.btn-secondary:hover {
    background: var(--surface2);
    border-color: var(--ink-muted);
}

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 11px 22px; font-size: 15px; }
.btn-w  { width: 100%; justify-content: center; }

.btn-icon {
    width: 32px; height: 32px;
    padding: 0;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--surface2);
    border-color: var(--border);
    color: var(--ink-muted);
}
.btn-icon:hover { background: var(--border); color: var(--ink); }

/* ── Login Page ─────────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, #0b1628 0%, #0e3a5a 40%, #0b4d4d 100%);
    position: relative;
    overflow: hidden;
}

.login-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.login-bg-shapes span {
    position: absolute;
    border-radius: 50%;
    opacity: 0.07;
    background: var(--teal);
}
.login-bg-shapes span:nth-child(1) { width:400px; height:400px; top:-100px; left:-100px; }
.login-bg-shapes span:nth-child(2) { width:300px; height:300px; bottom:-80px; right:-60px; }
.login-bg-shapes span:nth-child(3) { width:200px; height:200px; top:40%; left:60%; background: #3b82f6; }

.login-card {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 420px;
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.45), 0 0 0 1px rgba(255,255,255,0.05) inset;
    animation: loginSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-card,
.login-card * {
    pointer-events: auto;
}

@keyframes loginSlideIn {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.login-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 28px;
}

.login-brand-icon {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--teal), var(--teal-dark));
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 8px 24px rgba(20,184,166,0.4);
}

.login-brand-name {
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.5px;
    line-height: 1.1;
}

.login-brand-sub {
    font-size: 11.5px;
    color: rgba(255,255,255,0.55);
    font-weight: 400;
}

.login-card h2 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px;
}

.login-card p.sub {
    color: rgba(255,255,255,0.55);
    font-size: 13px;
    margin: 0 0 24px;
}

.login-card .form-label {
    color: rgba(255,255,255,0.7);
}

.login-card .form-control {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.18);
    color: #fff;
}
.login-card .form-control::placeholder { color: rgba(255,255,255,0.35); }
.login-card .form-control:focus {
    background: rgba(255,255,255,0.14);
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(20,184,166,0.25);
}

.login-card .btn-primary {
    padding: 11px;
    font-size: 15px;
    letter-spacing: 0.2px;
}

.login-hint {
    text-align: center;
    margin-top: 16px;
    font-size: 12px;
    color: rgba(255,255,255,0.4);
}

/* ── Alert / Error banners ──────────────────────────────────── */
.alert {
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}

.alert-danger {
    background: var(--danger-bg);
    color: var(--danger-text);
    border: 1px solid #fca5a5;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success-text);
    border: 1px solid #6ee7b7;
}

/* ── Info Grid (Settings) ────────────────────────────────────── */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

.info-item {
    background: var(--surface2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
}

.info-item-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ink-muted);
    margin-bottom: 5px;
}

.info-item-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
}

.info-item-unit {
    font-size: 12px;
    font-weight: 400;
    color: var(--ink-muted);
    margin-left: 4px;
}

/* ── Reports Cards ───────────────────────────────────────────── */
.report-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.report-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: var(--transition);
}
.report-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--teal);
    transform: translateY(-2px);
}

.report-card-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    background: var(--teal-glow);
    color: var(--teal-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.report-card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--ink);
}

.report-card-desc {
    font-size: 13px;
    color: var(--ink-muted);
    flex: 1;
}

/* ── Coordinate Table (Vehicle Track) ───────────────────────── */
.coord-table {
    width: 100%;
    border-collapse: collapse;
}
.coord-table th {
    background: var(--surface2);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ink-muted);
    padding: 9px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.coord-table td {
    padding: 9px 12px;
    font-size: 13px;
    color: var(--ink);
    border-bottom: 1px solid var(--border);
    font-variant-numeric: tabular-nums;
}
.coord-table tr:last-child td { border-bottom: none; }
.coord-table tr:hover td { background: var(--surface2); }

.speed-badge {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    background: var(--teal-glow);
    color: var(--teal-dark);
    border-radius: 999px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 700;
}

/* ── Vehicle Info Header ─────────────────────────────────────── */
.vehicle-info-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 22px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 16px;
}

.vehicle-icon-wrap {
    width: 52px; height: 52px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--teal-glow), var(--info-bg));
    border: 1px solid rgba(20,184,166,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.vehicle-info-details h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 4px;
}

.vehicle-info-details p {
    font-size: 13px;
    color: var(--ink-muted);
    margin: 0;
}

/* ── Empty State ─────────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--ink-muted);
}
.empty-state-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* ── Link styles ─────────────────────────────────────────────── */
a { color: var(--teal-dark); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        height: 100vh;
        transition: left 0.3s cubic-bezier(0.4,0,0.2,1);
        z-index: 200;
    }

    .sidebar.open {
        left: 0;
        box-shadow: var(--shadow-lg);
    }

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

    .hamburger { display: flex; }

    .page-content { padding: 16px 18px; }
    .topbar { padding: 12px 18px; }
}

@media (max-width: 600px) {
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .topbar h1 { font-size: 17px; }
    .topbar-subtitle { display: none; }
    .report-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr 1fr; }
    .fleet-layer-switcher button {
        min-width: 54px;
        padding: 0 7px !important;
        font-size: 10px !important;
    }
    .fleet-coordinate-readout {
        display: none;
    }
}

@media (max-width: 420px) {
    .metric-grid { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .login-card { padding: 28px 20px; }
}