*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

.app { display: flex; height: 100vh; }

.panel {
    width: 380px;
    min-width: 380px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.panel-head {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.brand-logo {
    width: 36px;
    height: 36px;
    background: var(--blue);
    border-radius: 8px;
    display: grid;
    place-items: center;
    color: #fff;
    flex-shrink: 0;
}

.brand-logo .material-symbols-outlined {
    font-size: 22px;
    font-variation-settings: 'FILL' 1, 'wght' 500;
}

.brand h1 {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
}

.brand p {
    font-size: 12px;
    color: var(--text-3);
    font-weight: 400;
}

.btn-connect {
    width: 100%;
    height: 40px;
    border: none;
    border-radius: var(--radius);
    font: 600 13px/1 var(--font);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background .15s, box-shadow .15s, transform .1s;
}

.btn-connect i,
.btn-connect .material-symbols-outlined {
    font-size: 16px;
}

.btn-connect.off {
    background: var(--blue);
    color: #fff;
}
.btn-connect.off:hover {
    background: #5d88ff;
    box-shadow: 0 2px 12px rgba(78,124,255,.25);
    transform: translateY(-1px);
}

.btn-connect.on {
    background: var(--green-soft);
    color: var(--green);
}

.btn-connect.wait {
    background: var(--yellow-soft);
    color: var(--yellow);
    pointer-events: none;
}

.dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: blink 1.6s infinite;
}

@keyframes blink {
    0%,100% { opacity: 1; }
    50% { opacity: .25; }
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.panel-body::-webkit-scrollbar { width: 3px; }
.panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.card-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
}

.card-head .material-symbols-outlined {
    font-size: 18px;
    color: var(--text-3);
    flex-shrink: 0;
    font-variation-settings: 'FILL' 0, 'wght' 400;
}

.card-head span {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.stat {
    background: var(--bg-inset);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.stat .lbl {
    font-size: 11px;
    color: var(--text-3);
    margin-bottom: 6px;
}

.stat .val {
    font: 700 22px/1 var(--mono);
}

.stat .u {
    font-size: 11px;
    color: var(--text-3);
    font-weight: 400;
    margin-left: 1px;
}

.stat.s-fix .val { color: var(--green); }
.stat.s-nofix .val { color: var(--red); }
.stat.s-sat .val { color: var(--blue); }
.stat.s-spd .val { color: var(--yellow); }
.stat.s-alt .val { color: var(--violet); }

.route {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 26px;
}

.route::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 14px;
    bottom: 14px;
    width: 2px;
    background: var(--border);
}

.route-pt {
    position: relative;
    padding: 10px 0;
}

.route-pt::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 14px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid var(--green);
    background: var(--green-soft);
}

.route-pt.dest::before {
    border-color: var(--blue);
    background: var(--blue-soft);
}

.route-pt .r-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 2px;
}

.route-pt .r-sub {
    font: 400 12px var(--mono);
    color: var(--text-3);
}

.coord-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.coord-cell {
    background: var(--bg-inset);
    border-radius: 8px;
    padding: 10px 12px;
}

.coord-cell .lbl {
    font-size: 11px;
    color: var(--text-3);
    margin-bottom: 4px;
}

.coord-cell .val {
    font: 600 13px var(--mono);
    color: var(--text);
}

.log {
    max-height: 140px;
    overflow-y: auto;
    font: 400 11px/1.7 var(--mono);
    color: var(--text-3);
}

.log::-webkit-scrollbar { width: 3px; }
.log::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

.log-row { display: flex; gap: 6px; }
.log-row .t { flex-shrink: 0; color: var(--text-3); }
.log-row .m { color: var(--text-2); word-break: break-all; }
.log-row.ok .m { color: var(--green); }
.log-row.err .m { color: var(--red); }
.log-row.inf .m { color: var(--blue); }

.map-wrap {
    flex: 1;
    position: relative;
}

#map {
    width: 100%;
    height: 100%;
    background: var(--bg);
}

.map-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 1000;
    background: rgba(15,17,23,.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 14px;
}

.map-tag .lbl {
    font-size: 10px;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 2px;
}

.map-tag .val {
    font: 600 14px var(--mono);
    color: var(--text);
}

.welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 40px;
    background: var(--bg);
}

.welcome svg {
    width: 56px;
    height: 56px;
    color: var(--text-3);
    margin-bottom: 20px;
    opacity: .5;
}

.welcome h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.welcome p {
    color: var(--text-3);
    font-size: 13px;
    max-width: 260px;
    line-height: 1.5;
}

.leaflet-control-zoom a {
    background: var(--bg-card) !important;
    color: var(--text) !important;
    border-color: var(--border) !important;
    width: 32px !important;
    height: 32px !important;
    line-height: 32px !important;
    font-size: 14px !important;
}
.leaflet-control-zoom a:hover { background: var(--bg-inset) !important; }
.leaflet-control-attribution {
    background: rgba(15,17,23,.7) !important;
    color: var(--text-3) !important;
    font-size: 10px !important;
}
.leaflet-control-attribution a { color: var(--text-2) !important; }