:root {
    --bg: #0b0f14;
    --bg2: #121820;
    --bg3: #1a2230;
    --ink: #f1f5f9;
    --muted: #94a3b8;
    --line: #2a3544;
    --accent: #38bdf8;
    --accent-dim: #0c4a6e;
    --largada: #22c55e;
    --chegada: #f59e0b;
    --warn: #eab308;
    --danger: #ef4444;
    --cat: #7dd3fc;
    --principal: #f5c542;
    --radius: 12px;
}

* { box-sizing: border-box; }
html, body {
    margin: 0;
    min-height: 100%;
    background: var(--bg);
    background-image:
        radial-gradient(ellipse 120% 80% at 50% -20%, rgba(56, 189, 248, .08), transparent 50%);
    color: var(--ink);
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.45;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 1rem 1.25rem 2.5rem; }

.top { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.top h1 { margin: 0; font-size: 1.35rem; letter-spacing: .04em; }
.meta { color: var(--muted); font-size: .9rem; margin: .25rem 0 0; }

.nav { display: flex; flex-wrap: wrap; gap: .75rem; font-size: .85rem; margin-bottom: 1rem; }
.nav a { color: var(--accent); text-decoration: none; }
.nav a:hover { text-decoration: underline; }

.toolbar {
    display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
    background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 12px 14px; margin-bottom: 1.25rem;
}
.toolbar form.get-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; flex: 1; }
.toolbar label { display: flex; flex-direction: column; gap: 4px; font-size: .75rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.toolbar select {
    min-width: 220px; padding: 8px 10px; border-radius: 8px;
    border: 1px solid var(--line); background: var(--bg3); color: var(--ink);
}
.toolbar .actions { display: flex; gap: 8px; margin-left: auto; align-items: center; }
.btn {
    padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line);
    background: var(--bg3); color: var(--ink); cursor: pointer; font-size: .85rem;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent-dim); border-color: var(--accent); color: var(--ink); }
.btn-primary:hover { background: #155e75; }

.tabs { display: flex; gap: 4px; margin-bottom: 1rem; border-bottom: 1px solid var(--line); }
.tabs a {
    padding: 10px 16px; color: var(--muted); text-decoration: none; font-size: .9rem;
    border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs a.active { color: var(--ink); border-bottom-color: var(--accent); }
.tabs a:hover { color: var(--ink); }

.erro {
    background: rgba(127, 29, 29, .35); border: 1px solid var(--danger);
    padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem;
}
.ok-msg {
    background: rgba(20, 83, 45, .35); border: 1px solid var(--largada);
    padding: .75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem;
}

section { margin-bottom: 2rem; }
section h2 { font-size: 1rem; color: var(--cat); margin: 0 0 .65rem; font-weight: 600; }
section h3 { font-size: .85rem; color: var(--muted); margin: 1rem 0 .5rem; text-transform: uppercase; letter-spacing: .06em; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg2); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
th, td { padding: .5rem .65rem; text-align: left; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; background: var(--bg3); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: rgba(56, 189, 248, .04); }
.pos { width: 2.5rem; color: var(--muted); }
.num { font-weight: 700; }
.classe { font-weight: 700; color: var(--principal); white-space: nowrap; letter-spacing: .02em; }
.tempo { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); }
.mono { font-variant-numeric: tabular-nums; font-size: .8rem; color: var(--muted); }
.empty { color: var(--muted); padding: 1rem 0; }

.tag {
    display: inline-block; font-size: .65rem; padding: .12rem .4rem; border-radius: 4px;
    font-weight: 700; letter-spacing: .04em; margin-right: 2px;
}
.tag.pps { background: rgba(34, 197, 94, .2); color: #86efac; }
.tag.nmea { background: rgba(245, 158, 11, .2); color: #fcd34d; }
.tag.largada { background: rgba(34, 197, 94, .15); color: var(--largada); }
.tag.chegada { background: rgba(245, 158, 11, .15); color: var(--chegada); }
.tag.warn { background: rgba(234, 179, 8, .15); color: var(--warn); }

.badge-count {
    display: inline-block; min-width: 1.25rem; padding: 0 .35rem; border-radius: 999px;
    background: var(--bg3); font-size: .75rem; color: var(--muted); margin-left: .35rem;
}

@media (max-width: 640px) {
    .toolbar .actions { margin-left: 0; width: 100%; }
    .toolbar select { min-width: 100%; }
}