:root {
    color-scheme: dark;
    --bg: #080a0d;
    --panel: #121922;
    --panel-2: #172333;
    --line: #273442;
    --text: #f7f9fc;
    --muted: #9aa8b7;
    --blue: #62a8ff;
    --green: #67dc91;
    --amber: #f3bd54;
    --red: #ff6f6f;
    --violet: #c4a5ff;
    --shadow: 0 16px 48px rgba(0, 0, 0, 0.36);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    margin: 0;
    background:
        linear-gradient(180deg, rgba(98, 168, 255, 0.1), transparent 28rem),
        linear-gradient(145deg, rgba(103, 220, 145, 0.06), transparent 36rem),
        var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    letter-spacing: 0;
}

body.high-contrast {
    --bg: #000;
    --panel: #050505;
    --panel-2: #111;
    --line: #555;
    --text: #fff;
    --muted: #d0d0d0;
    --blue: #7bd3ff;
    --green: #9cff9c;
    --amber: #ffe16a;
}

button,
input,
select {
    font: inherit;
}

button,
.button-link {
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #162231;
    color: var(--text);
    text-decoration: none;
    cursor: pointer;
}

button:disabled {
    cursor: not-allowed;
    opacity: 0.48;
}

button:active,
.button-link:active {
    transform: translateY(1px);
}

input,
select {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #0d131a;
    color: var(--text);
    padding: 0 12px;
}

label {
    display: grid;
    gap: 7px;
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.gps-app {
    min-height: 100dvh;
    padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 1200;
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
    background: rgba(8, 10, 13, 0.92);
    backdrop-filter: blur(16px);
}

.brand {
    color: var(--text);
    font-size: 1rem;
    font-weight: 900;
    text-decoration: none;
}

.status-pill,
.icon-button {
    min-height: 34px;
    padding: 0 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #0e151d;
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 900;
    text-transform: uppercase;
    white-space: nowrap;
}

.status-pill.active {
    border-color: rgba(103, 220, 145, 0.55);
    color: var(--green);
}

.status-pill.warn {
    border-color: rgba(243, 189, 84, 0.55);
    color: var(--amber);
}

.gps-main {
    display: grid;
    gap: 10px;
    width: min(1180px, 100%);
    margin: 0 auto;
    padding: 10px;
}

.speed-panel,
.map-stage,
.route-strip,
.drawer,
.quick-grid > div,
.stat-grid > div,
.position-card,
.alert-card,
.marker-row,
.saved-route {
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.01)), var(--panel);
}

.speed-panel {
    display: grid;
    gap: 10px;
    padding: 10px;
}

.speed-face {
    position: relative;
    display: grid;
    min-height: 190px;
    place-items: center;
    border: 1px solid rgba(98, 168, 255, 0.24);
    border-radius: 8px;
    background:
        radial-gradient(circle at center, rgba(98, 168, 255, 0.16), transparent 58%),
        #0c1118;
    overflow: hidden;
}

.speed-face.alerting {
    border-color: rgba(255, 111, 111, 0.85);
    background:
        radial-gradient(circle at center, rgba(255, 111, 111, 0.24), transparent 60%),
        #150a0c;
}

.speed-face span {
    align-self: end;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 900;
    text-transform: uppercase;
}

.speed-face strong {
    color: var(--blue);
    font-size: clamp(5rem, 31vw, 11rem);
    line-height: 0.86;
    letter-spacing: 0;
}

.speed-face.alerting strong {
    color: var(--red);
}

.speed-face button {
    align-self: start;
    width: 88px;
    min-height: 36px;
    color: var(--blue);
    font-weight: 900;
    text-transform: uppercase;
}

.quick-grid,
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.quick-grid > div,
.stat-grid > div {
    min-width: 0;
    padding: 10px;
}

.quick-grid span,
.stat-grid span,
.route-strip span,
.position-card span,
.alert-card span {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 900;
    text-transform: uppercase;
}

.quick-grid strong,
.stat-grid strong {
    display: block;
    overflow-wrap: anywhere;
    margin-top: 5px;
    font-size: 1.05rem;
}

.control-row,
.button-row {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.control-row button,
.button-row button,
.button-link {
    display: grid;
    place-items: center;
    padding: 0 10px;
    font-size: 0.84rem;
    font-weight: 900;
}

#startBtn {
    border-color: rgba(103, 220, 145, 0.55);
    color: var(--green);
}

.button-link {
    background: #162231;
}

.map-stage {
    position: relative;
    overflow: hidden;
    min-height: 300px;
    height: clamp(300px, 44dvh, 620px);
    box-shadow: var(--shadow);
}

#driveMap {
    width: 100%;
    height: 100%;
}

.leaflet-container {
    background: #101820;
    font-family: inherit;
}

.leaflet-control-layers {
    border: 1px solid var(--line) !important;
    border-radius: 8px !important;
    background: rgba(12, 17, 24, 0.92) !important;
    color: var(--text);
}

.map-actions {
    position: absolute;
    z-index: 900;
    left: 10px;
    right: 10px;
    bottom: 10px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    pointer-events: none;
}

.map-actions button {
    background: rgba(12, 18, 25, 0.9);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.28);
    pointer-events: auto;
}

.route-strip {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, 1fr);
    gap: 8px;
    padding: 8px;
}

.route-strip > div {
    min-width: 0;
    padding: 8px;
}

.route-strip strong {
    display: block;
    overflow: hidden;
    margin-top: 3px;
    font-size: clamp(0.98rem, 4vw, 1.45rem);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.drawer {
    overflow: hidden;
}

.tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-bottom: 1px solid var(--line);
}

.tabs button {
    min-width: 0;
    border: 0;
    border-right: 1px solid var(--line);
    border-radius: 0;
    background: #0d131a;
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 900;
}

.tabs button:last-child {
    border-right: 0;
}

.tabs button.active {
    background: var(--panel-2);
    color: var(--blue);
}

.tab-panel {
    display: none;
    padding: 12px;
}

.tab-panel.active {
    display: grid;
    gap: 12px;
}

.position-card,
.alert-card {
    display: grid;
    gap: 6px;
    padding: 12px;
}

.position-card strong,
.alert-card strong {
    font-size: clamp(1rem, 4vw, 1.38rem);
    overflow-wrap: anywhere;
}

.position-card small {
    color: var(--muted);
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.check-grid label {
    grid-template-columns: auto 1fr;
    align-items: center;
    min-height: 44px;
    padding: 8px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #0e151e;
    color: var(--text);
    font-size: 0.8rem;
    text-transform: none;
}

.check-grid input {
    width: 18px;
    min-height: 18px;
}

.saved-list,
.marker-list {
    display: grid;
    gap: 8px;
}

.saved-route,
.marker-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 8px;
    min-width: 0;
    padding: 8px;
}

.marker-row {
    grid-template-columns: 1fr auto;
}

.saved-route strong,
.marker-row strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.saved-route small,
.marker-row small {
    display: block;
    color: var(--muted);
}

.saved-route button,
.marker-row button {
    min-height: 36px;
    padding: 0 10px;
    font-size: 0.75rem;
    font-weight: 900;
}

.vehicle-icon,
.dest-icon,
.start-icon,
.marker-icon {
    display: grid;
    place-items: center;
    width: 28px !important;
    height: 28px !important;
    margin-left: -14px !important;
    margin-top: -14px !important;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--blue);
    color: #05080d;
    font-weight: 900;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

.vehicle-icon {
    --heading: 0deg;
    width: 34px !important;
    height: 34px !important;
    margin-left: -17px !important;
    margin-top: -17px !important;
}

.vehicle-icon span {
    display: block;
    width: 16px;
    height: 22px;
    border-radius: 5px 5px 4px 4px;
    background: var(--blue);
    transform: rotate(var(--heading));
}

.vehicle-icon span::before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    margin: -8px auto 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 10px solid var(--amber);
}

.dest-icon {
    background: var(--violet);
}

.start-icon {
    background: var(--green);
}

.marker-icon {
    background: var(--amber);
}

#toast {
    position: fixed;
    z-index: 2000;
    left: 50%;
    bottom: max(16px, env(safe-area-inset-bottom));
    width: min(520px, calc(100% - 24px));
    transform: translate(-50%, 16px);
    padding: 12px 14px;
    border: 1px solid rgba(243, 189, 84, 0.5);
    border-radius: 8px;
    background: rgba(20, 16, 9, 0.94);
    color: #ffe0a3;
    font-size: 0.88rem;
    font-weight: 700;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

#toast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

#siteToast {
    position: fixed;
    z-index: 2100;
    left: 50%;
    top: max(12px, env(safe-area-inset-top));
    width: min(420px, calc(100% - 24px));
    transform: translate(-50%, -12px);
    padding: 10px 12px;
    border: 1px solid rgba(98, 168, 255, 0.45);
    border-radius: 8px;
    background: rgba(8, 14, 19, 0.94);
    color: var(--text);
    font-size: 0.84rem;
    font-weight: 800;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

#siteToast.show {
    opacity: 1;
    transform: translate(-50%, 0);
}

.is-offline .status-pill::after {
    content: " offline";
    color: var(--amber);
}

@media (min-width: 900px) {
    .gps-main {
        grid-template-columns: 0.95fr 1.65fr;
        align-items: start;
    }

    .speed-panel,
    .route-strip,
    .drawer {
        grid-column: 1;
    }

    .map-stage {
        grid-column: 2;
        grid-row: 1 / span 3;
        height: calc(100dvh - 92px);
        min-height: 620px;
    }
}

@media (max-width: 620px) {
    .gps-main {
        padding: 8px;
    }

    .speed-face {
        min-height: 164px;
    }

    .quick-grid,
    .stat-grid,
    .control-grid,
    .check-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .control-row,
    .button-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .map-stage {
        height: 38dvh;
        min-height: 290px;
    }

    .map-actions {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .route-strip {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .route-strip > div:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 380px) {
    .topbar {
        grid-template-columns: 1fr auto;
    }

    .icon-button {
        display: none;
    }

    .speed-face strong {
        font-size: 4.35rem;
    }
}