:root {
    --surface: #fbfaf7;
    --surface-raised: #ffffff;
    --ink: #1c1b19;
    --ink-muted: #5e5a52;
    --line: #e2ddd3;
    --accent: #b4461f;
    --accent-ink: #ffffff;
    --ok: #2f6b3a;
    --warn: #8a5a00;
    --bad: #a3261b;
    --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
    --mono: ui-monospace, "SF Mono", Menlo, monospace;
    color-scheme: light;
}

@media (prefers-color-scheme: dark) {
    :root {
        --surface: #161513;
        --surface-raised: #1f1e1b;
        --ink: #eeeae2;
        --ink-muted: #a8a295;
        --line: #34312c;
        --accent: #e0774c;
        --accent-ink: #161513;
        --ok: #7cc38a;
        --warn: #e0b04c;
        --bad: #f08276;
        color-scheme: dark;
    }
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--surface);
    color: var(--ink);
    font: 16px/1.5 var(--font);
}

.canary {
    margin: 0 auto;
    max-width: 52rem;
    padding: 2rem 1rem 4rem;
}

h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.2rem; margin: 0 0 .25rem; }
code { font-family: var(--mono); font-size: .85em; overflow-wrap: anywhere; }
.lede { color: var(--ink-muted); margin: .25rem 0 1rem; }

.masthead { align-items: flex-start; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; margin-bottom: 1.5rem; }

.state { align-items: center; border: 1px solid var(--line); border-radius: 999px; display: inline-flex; gap: .5rem; padding: .35rem .8rem; }
.state .dot { background: var(--ink-muted); border-radius: 50%; height: .6rem; width: .6rem; }
.state .detail { color: var(--ink-muted); font-family: var(--mono); font-size: .8rem; }
.state-ready .dot { background: var(--ok); }
.state-generating .dot { background: var(--accent); }
.state-inferencewarming .dot, .state-interrupted .dot { background: var(--warn); }
.state-unavailable .dot { background: var(--bad); }

.conversation { display: grid; gap: 1rem; margin-bottom: 1.5rem; }
.empty { color: var(--ink-muted); }
.turn { background: var(--surface-raised); border: 1px solid var(--line); border-radius: .75rem; padding: 1rem; }
.prompt { color: var(--ink-muted); margin: 0 0 .5rem; white-space: pre-wrap; }
.answer { margin: 0; min-height: 1.5em; white-space: pre-wrap; }
.answer-interrupted { border-left: 3px solid var(--warn); padding-left: .6rem; }
.failure { color: var(--bad); margin: .5rem 0 0; }
.notice { color: var(--warn); }
.pass { color: var(--ok); }
.fail { color: var(--bad); }

.proof { display: grid; gap: .25rem 1rem; grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr)); margin: .75rem 0 0; }
.proof div { min-width: 0; }
.proof dt { color: var(--ink-muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; }
.proof dd { margin: 0; overflow-wrap: anywhere; }

.composer textarea {
    background: var(--surface-raised);
    border: 1px solid var(--line);
    border-radius: .5rem;
    color: var(--ink);
    font: inherit;
    padding: .6rem;
    resize: vertical;
    width: 100%;
}

.actions { display: flex; flex-wrap: wrap; gap: .5rem; margin: .5rem 0; }

button {
    background: transparent;
    border: 1px solid var(--line);
    border-radius: .5rem;
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    padding: .45rem 1rem;
}

button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.link { border-color: transparent; color: var(--accent); padding: .2rem .4rem; }
button:disabled { cursor: not-allowed; opacity: .5; }

.batch { border-top: 1px solid var(--line); margin-top: 2.5rem; padding-top: 1.5rem; }

.visually-hidden { clip: rect(0 0 0 0); height: 1px; overflow: hidden; position: absolute; width: 1px; }