:root {
    color-scheme: light dark;

    --bg: #f6f8fa;
    --surface: #ffffff;
    --surface-alt: #f0f3f6;
    --fg: #1a2029;
    --muted: #6b7683;
    --border: #d7dee6;
    --accent: #1f6feb;
    --on-accent: #ffffff;
    --error-bg: #fff4f4;
    --error-border: #e5484d;
    --delay: #b3541e;
    --match-bg: #fdecc8;
    --match-border: #e0a106;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0d1117;
        --surface: #161b22;
        --surface-alt: #21262d;
        --fg: #e6edf3;
        --muted: #9aa7b2;
        --border: #30363d;
        --accent: #4c8dff;
        --on-accent: #0d1117;
        --error-bg: #2b1517;
        --error-border: #f85149;
        --delay: #f0883e;
        --match-bg: #3a2e12;
        --match-border: #d0961a;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color: var(--fg);
    background: var(--bg);
}

.container {
    max-width: 720px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h1 { margin-top: 0; }

label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
}

.row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

input[type="text"] {
    text-transform: uppercase;
    padding: 0.5rem 0.6rem;
    font-size: 1rem;
    color: var(--fg);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    width: 6rem;
    letter-spacing: 0.15em;
}

button {
    padding: 0.5rem 0.9rem;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
    background: var(--accent);
    color: var(--on-accent);
    cursor: pointer;
}

button:hover { filter: brightness(1.05); }

.htmx-indicator {
    opacity: 0;
    color: var(--muted);
    transition: opacity 0.2s;
}
.htmx-request .htmx-indicator { opacity: 1; }

table.departures {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}

.departures th,
.departures td {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
}

.departures th { background: var(--surface-alt); }
.departures tr:last-child td { border-bottom: none; }
.flight-code { font-weight: 600; font-variant-numeric: tabular-nums; }
.flight-code a { color: var(--accent); text-decoration: none; }
.flight-code a:hover { text-decoration: underline; }
.delay { font-weight: 600; color: var(--delay); font-variant-numeric: tabular-nums; }

.departures tr.match td { background: var(--match-bg); }
.departures tr.match td:first-child { border-left: 3px solid var(--match-border); }

.badge {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0.05rem 0.4rem;
    border-radius: 4px;
    background: var(--match-border);
    color: #1a2029;
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.muted { color: var(--muted); font-size: 0.9rem; }

.error {
    margin-top: 1rem;
    border: 1px solid var(--error-border);
    background: var(--error-bg);
    border-radius: 6px;
    padding: 0.75rem;
}

.error-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.copy-btn {
    background: var(--surface);
    color: var(--fg);
    border: 1px solid var(--border);
    padding: 0.25rem 0.6rem;
    font-size: 0.85rem;
}

.error-detail {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 0.85rem;
    color: var(--fg);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.5rem;
    max-height: 320px;
    overflow: auto;
}