:root {
    --navy: #0b1f33;
    --navy-2: #123047;
    --ink: #152536;
    --muted: #5b6b7c;
    --line: #dce3ea;
    --paper: #f3f6f9;
    --card: #ffffff;
    --accent: #0f7a6c;
    --accent-2: #d97706;
    --danger: #c2410c;
    --online: #0f7a6c;
    --offline: #94a3b8;
    --sidebar-width: 260px;
    --radius: 14px;
    --font: "Manrope", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: var(--font);
    color: var(--ink);
    background: var(--paper);
}

.skip-link {
    position: absolute;
    left: -999px;
}

.skip-link:focus { left: 12px; top: 12px; z-index: 20; background: #fff; padding: .5rem; }

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--navy);
    color: #e8eef4;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 1.1rem .9rem;
    z-index: 30;
}

.sidebar-brand {
    display: flex;
    gap: .75rem;
    align-items: center;
    padding: .35rem .4rem 1rem;
}

.sidebar-brand small { display: block; color: #93a4b5; font-size: .75rem; }

.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: var(--accent);
    color: #fff;
    font-size: 1.2rem;
}

.sidebar-nav { display: flex; flex-direction: column; gap: .2rem; overflow: auto; flex: 1; }

.nav-section {
    margin: .9rem .4rem .3rem;
    font-size: .7rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #7f90a3;
}

.sidebar .nav-link {
    color: #d5dee8;
    border-radius: 10px;
    padding: .55rem .7rem;
    display: flex;
    gap: .65rem;
    align-items: center;
}

.sidebar .nav-link i { width: 1.1rem; }

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: var(--navy-2);
    color: #fff;
}

.sidebar-user {
    display: flex;
    gap: .7rem;
    align-items: center;
    padding: .8rem .5rem 0;
    border-top: 1px solid rgba(255,255,255,.08);
    margin-top: .8rem;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #23415c;
    display: grid;
    place-items: center;
    font-weight: 700;
}

.text-muted-sidebar { color: #93a4b5; }

.sidebar-user-link {
    display: block;
    margin-top: .15rem;
    color: #93a4b5;
    font-size: .78rem;
    text-decoration: none;
}

.sidebar-user-link:hover,
.sidebar-user-link:focus-visible {
    color: #fff;
}

.avatar-lg {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
    background: var(--navy);
    color: #fff;
}

.profile-hero {
    display: flex;
    gap: 1rem;
    align-items: center;
    margin-bottom: 1.1rem;
}

.profile-hero h2 {
    margin: 0;
    font-size: 1.15rem;
}

.profile-hero p { margin: .15rem 0 0; }

.profile-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .9rem;
    margin: 0 0 1.2rem;
    padding: .9rem 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.profile-meta dt {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--muted);
}

.profile-meta dd {
    margin: .15rem 0 0;
    font-weight: 600;
}

.main-pane { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.4rem;
    background: var(--card);
    border-bottom: 1px solid var(--line);
    position: sticky;
    top: 0;
    z-index: 10;
}

.topbar-title h1 { font-size: 1.25rem; margin: 0; }
.topbar-title p { margin: 0; color: var(--muted); font-size: .9rem; }
.topbar-actions { margin-left: auto; display: flex; gap: .4rem; align-items: center; }

.content { padding: 1.25rem 1.4rem 2rem; }

.btn-ghost {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--ink);
}

.btn-icon { width: 42px; height: 42px; display: grid; place-items: center; }

.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: #0c655a;
    border-color: #0c655a;
    color: #fff;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: .9rem;
    margin-bottom: 1rem;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem;
    position: relative;
    overflow: hidden;
}

.stat-card span { color: var(--muted); font-size: .82rem; }
.stat-card strong { display: block; font-size: 1.7rem; margin-top: .2rem; }
.stat-card i { position: absolute; right: .8rem; top: .8rem; color: #c5d0da; font-size: 1.2rem; }
.stat-online strong { color: var(--online); }
.stat-moving strong { color: #0369a1; }
.stat-parked strong { color: var(--accent-2); }
.stat-offline strong { color: var(--offline); }
.stat-alert strong { color: var(--danger); }

.dashboard-grid {
    display: grid;
    grid-template-columns: 1.6fr .9fr;
    gap: 1rem;
}

.panel {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1rem;
}

.panel-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: .8rem;
}

.panel-head h2 { font-size: 1rem; margin: 0; }
.panel-head a { font-size: .85rem; color: var(--accent); text-decoration: none; }

.map-canvas {
    height: 420px;
    border-radius: 12px;
    overflow: hidden;
    background: #d9e4ee;
}

.map-canvas img { max-width: none; }

.map-missing {
    height: 100%;
    display: grid;
    place-items: center;
    color: var(--muted);
    padding: 1.5rem;
    text-align: center;
}

.map-tall { height: min(70vh, 640px); }

.stack { display: flex; flex-direction: column; gap: 1rem; }

.feed { list-style: none; margin: 0; padding: 0; }
.feed li { display: flex; gap: .7rem; padding: .55rem 0; border-bottom: 1px solid var(--line); }
.feed li:last-child { border-bottom: 0; }
.feed small, .muted { color: var(--muted); }
.feed-lg li { align-items: flex-start; justify-content: space-between; }
.feed-lg p { margin: .2rem 0; }

.dot { width: 9px; height: 9px; border-radius: 50%; margin-top: .45rem; background: var(--accent-2); flex-shrink: 0; }
.severity-critical { background: var(--danger); }
.severity-warning { background: var(--accent-2); }
.severity-info { background: #0284c7; }

.badge-status {
    display: inline-flex;
    padding: .15rem .55rem;
    border-radius: 999px;
    font-size: .75rem;
    background: #e2e8f0;
}
.badge-status.is-online { background: #d1fae5; color: #065f46; }
.badge-status.is-offline { background: #e2e8f0; color: #475569; }

.page-toolbar {
    display: flex;
    gap: .7rem;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.search-box { position: relative; flex: 1; min-width: 220px; }
.search-box i { position: absolute; left: .8rem; top: 50%; transform: translateY(-50%); color: var(--muted); }
.search-box input { padding-left: 2.1rem; }

.table td, .table th { white-space: nowrap; }
.table td.text-end { position: sticky; right: 0; background: var(--card); }

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--muted);
}
.empty-state i { font-size: 2rem; }

.form-panel { max-width: 920px; }
.form-panel-narrow { max-width: 480px; }
.form-actions { display: flex; justify-content: flex-end; gap: .6rem; margin-top: 1.2rem; }

.live-layout { display: grid; grid-template-columns: 1.7fr .8fr; gap: 1rem; }
.vehicle-list { list-style: none; margin: 0; padding: 0; }
.vehicle-list li { padding: .7rem 0; border-bottom: 1px solid var(--line); display: grid; gap: .15rem; }
.vehicle-list small { color: var(--muted); }

.setting-row {
    display: grid;
    grid-template-columns: 1.4fr 1fr auto;
    gap: .8rem;
    align-items: center;
    padding: .7rem 0;
    border-bottom: 1px solid var(--line);
}

.auth-body { background: var(--navy); min-height: 100vh; display: grid; place-items: center; }
.auth-wrap { width: min(440px, calc(100% - 2rem)); }
.auth-card { background: #fff; border-radius: 18px; padding: 1.6rem; }
.auth-brand { display: flex; gap: .8rem; align-items: center; margin-bottom: 1.2rem; }
.auth-brand h1 { font-size: 1.2rem; margin: 0; }
.auth-brand p { margin: 0; color: var(--muted); }
.auth-hint { margin-top: 1rem; color: var(--muted); font-size: .85rem; }
.auth-hint a { color: var(--accent); text-decoration: none; font-weight: 600; }

.password-field {
    position: relative;
}

.password-field .form-control {
    padding-right: 2.75rem;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: .35rem;
    transform: translateY(-50%);
    width: 2.25rem;
    height: 2.25rem;
    border: 0;
    background: transparent;
    color: var(--muted);
    display: grid;
    place-items: center;
    border-radius: 8px;
}

.password-toggle:hover,
.password-toggle:focus-visible {
    color: var(--ink);
    background: var(--paper);
}

.password-toggle:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.sidebar-backdrop { display: none; }

@media (max-width: 1200px) {
    .stat-grid { grid-template-columns: repeat(3, 1fr); }
    .dashboard-grid, .live-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
    .profile-meta { grid-template-columns: 1fr; }
}

@media (max-width: 991px) {
    .sidebar {
        position: fixed;
        transform: translateX(-105%);
        transition: transform .2s ease;
    }
    .sidebar.open { transform: none; }
    .sidebar-backdrop.show {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(11, 31, 51, .45);
        z-index: 20;
    }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .content, .topbar { padding-left: 1rem; padding-right: 1rem; }
    .setting-row { grid-template-columns: 1fr; }
}

@media (max-width: 575px) {
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .topbar-actions .btn-ghost:nth-child(2) { display: none; }
}

.pwa-install {
    position: fixed;
    right: 1rem;
    bottom: calc(1rem + env(safe-area-inset-bottom));
    left: 1rem;
    z-index: 40;
    display: flex;
    gap: .85rem;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: .9rem 1rem;
    background: var(--navy);
    color: #e8eef4;
    border-radius: 14px;
    box-shadow: 0 12px 32px rgba(11, 31, 51, .28);
}

.pwa-install[hidden] { display: none !important; }

.pwa-install-copy {
    display: flex;
    flex-direction: column;
    gap: .15rem;
    min-width: 0;
}

.pwa-install-copy span { color: #93a4b5; font-size: .85rem; }

.pwa-install:has(#pwaIosHint:not([hidden])) .pwa-install-android { display: none; }

.pwa-install-actions { display: flex; gap: .4rem; align-items: center; }

.pwa-install .btn-ghost { color: #e8eef4; border-color: #31465a; }

.pwa-profile[hidden] { display: none !important; }

html.pwa-standalone .sidebar {
    padding-top: calc(1.1rem + env(safe-area-inset-top));
    padding-bottom: calc(1.1rem + env(safe-area-inset-bottom));
}

html.pwa-standalone .topbar {
    padding-top: calc(1rem + env(safe-area-inset-top));
}

html.pwa-standalone .content {
    padding-bottom: calc(2rem + env(safe-area-inset-bottom));
}

html.pwa-standalone .auth-body {
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

@media (min-width: 992px) {
    .pwa-install {
        left: auto;
        width: 380px;
    }
}