:root {
    --bg: #0f1420;
    --panel: #171e2e;
    --panel-2: #1e2738;
    --border: #2b364d;
    --text: #e6ebf5;
    --muted: #93a0b8;
    --accent: #4f8cff;
    --ok: #2fbf71;
    --warn: #f0b429;
    --err: #ef5350;
    --openai: #10a37f;
    --gemini: #8b6cff;
    --local: #f08c3a;
    --auto: #4f8cff;
    --radius: 10px;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    color-scheme: dark;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    line-height: 1.45;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 2rem;
    border-bottom: 1px solid var(--border);
    background: var(--panel);
}

h1 { font-size: 1.35rem; margin: 0 0 .2rem; }
h2 { font-size: 1.05rem; margin: 0 0 .9rem; }
h3 { font-size: .95rem; margin: 0; }

main { max-width: 1400px; margin: 0 auto; padding: 1.5rem 2rem; display: grid; gap: 1.25rem; }
footer { max-width: 1400px; margin: 0 auto; padding: 0 2rem 2rem; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.1rem 1.25rem;
}

.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .6rem; }
.card-head h2 { margin: 0; }

.muted { color: var(--muted); }
.small { font-size: .85rem; }
code { background: var(--panel-2); padding: .05rem .35rem; border-radius: 4px; font-size: .85em; }

label { display: flex; flex-direction: column; gap: .3rem; font-size: .88rem; color: var(--muted); margin-bottom: .75rem; }
label.inline { flex-direction: row; align-items: center; gap: .4rem; color: var(--text); margin: 0; white-space: nowrap; }

input[type='text'], input[type='password'], input[type='number'], select, textarea {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .55rem .7rem;
    font: inherit;
    font-size: .95rem;
}
textarea { resize: vertical; min-height: 90px; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .55rem 1rem;
    font: inherit;
    cursor: pointer;
    white-space: nowrap;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; min-width: 110px; }
button.ghost { background: transparent; }

.row { display: flex; align-items: flex-end; gap: .9rem; }
.row.wrap { flex-wrap: wrap; align-items: center; }
.row label { margin-bottom: 0; }
.grow { flex: 1; }

.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 0 1rem; }

fieldset.providers { border: 1px solid var(--border); border-radius: 8px; display: flex; gap: 1rem; padding: .45rem .9rem .6rem; margin: 0; flex-wrap: wrap; }
fieldset.providers legend { font-size: .8rem; color: var(--muted); padding: 0 .3rem; }

.chip {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .15rem .6rem;
    border-radius: 999px;
    font-size: .78rem;
    border: 1px solid var(--border);
    background: var(--panel-2);
    white-space: nowrap;
}
.chip.ok { border-color: var(--ok); color: var(--ok); }
.chip.err { border-color: var(--err); color: var(--err); }
.chip.warn { border-color: var(--warn); color: var(--warn); }
.chip.run { border-color: var(--accent); color: var(--accent); }
.dot { width: .55rem; height: .55rem; border-radius: 50%; display: inline-block; background: currentColor; }

.health { display: grid; gap: .9rem; }
.health table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.health th, .health td { text-align: left; padding: .45rem .6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.health th { color: var(--muted); font-weight: 500; }
.order { display: flex; gap: .3rem; align-items: center; flex-wrap: wrap; }

.results { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }

.result {
    background: var(--panel);
    border: 1px solid var(--border);
    border-top: 4px solid var(--auto);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    min-height: 220px;
}
.result.openai { border-top-color: var(--openai); }
.result.gemini { border-top-color: var(--gemini); }
.result.local { border-top-color: var(--local); }

.result header { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .7rem .9rem; border-bottom: 1px solid var(--border); }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: .3rem .6rem; padding: .6rem .9rem; font-size: .8rem; border-bottom: 1px solid var(--border); }
.metrics div span { display: block; color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .03em; }
.metrics b { font-weight: 600; font-variant-numeric: tabular-nums; }

.output { padding: .8rem .9rem; flex: 1; display: grid; gap: .6rem; align-content: start; }
.output pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: ui-monospace, 'Cascadia Code', Consolas, monospace;
    font-size: .85rem;
    background: var(--panel-2);
    border-radius: 8px;
    padding: .65rem .75rem;
    max-height: 420px;
    overflow: auto;
}
.output .answer { font-family: inherit; font-size: .92rem; }
.output .error { color: var(--err); border: 1px solid color-mix(in srgb, var(--err) 40%, transparent); }
.output details summary { cursor: pointer; color: var(--muted); font-size: .82rem; margin-bottom: .3rem; }
.output .label { color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .03em; }

@media (max-width: 700px) {
    .topbar, main, footer { padding-left: 1rem; padding-right: 1rem; }
    .row { flex-wrap: wrap; }
}