:root {
  --page: #f9f9f7; --surface: #fcfcfb; --line: #e4e3df;
  --ink: #0b0b0b; --ink-2: #52514e; --ink-3: #8a8985; --accent: #2a78d6; --error: #b3261e;
  --ok: #1f7a45; --warn: #9a6a12;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --page: #0d0d0d; --surface: #1a1a19; --line: #2d2d2b; --ink: #ffffff; --ink-2: #c3c2b7; --ink-3: #8d8c85; --accent: #3987e5; --error: #ff7b72; --ok: #4cc07a; --warn: #e0a83a; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--surface); }
.brand span { color: var(--ink-2); margin-left: 6px; }
.key { display: flex; gap: 8px; align-items: center; }
.shell { max-width: 1040px; margin: 0 auto; padding: 24px 16px 48px; display: grid; gap: 20px; }
.stack { display: grid; gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 6px; }
.card-head h2 { margin: 0; }
h1 { font-size: 22px; margin: 0 0 8px; } h2 { font-size: 16px; margin: 0 0 6px; } h3 { font-size: 14px; margin: 18px 0 6px; }
.label { margin: 0 0 4px; color: var(--ink-2); font-size: 13px; }
.hero { font-size: 48px; font-weight: 600; line-height: 1.1; margin: 0; }
.value { font-size: 24px; font-weight: 600; margin: 0; }
.sub { margin: 4px 0 0; color: var(--ink-3); font-size: 12px; }
.headline { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.window { display: flex; gap: 6px; flex-wrap: wrap; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
button { font: inherit; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); cursor: pointer; }
button.on { border-color: var(--accent); color: var(--accent); }
button.quiet { color: var(--ink-2); }
button:disabled { opacity: .5; cursor: default; }
form { display: grid; gap: 8px; max-width: 520px; }
input, select, textarea { font: inherit; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--page); color: var(--ink); }
select { padding: 6px 10px; }
textarea { width: 100%; resize: vertical; }
table { width: 100%; border-collapse: collapse; margin-top: 8px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); }
th { color: var(--ink-2); font-weight: 500; font-size: 13px; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody .num { font-variant-numeric: tabular-nums; }
.muted { color: var(--ink-2); font-size: 13px; }
.mono, pre, code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
code { background: var(--page); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; }
pre { background: var(--page); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; white-space: pre-wrap; }
.error { color: var(--error); }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* status pill from GET /readyz */
.status { display: inline-flex; align-items: center; gap: 8px; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--line); font-size: 12px; color: var(--ink-2); white-space: nowrap; }
.pill[data-state="operational"] { color: var(--ok); border-color: var(--ok); }
.pill[data-state="not-ready"] { color: var(--warn); border-color: var(--warn); }
.pill[data-state="unreachable"] { color: var(--error); border-color: var(--error); }

/* what this is */
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 12px 0 0; }
.facts dt { color: var(--ink-2); font-size: 13px; padding-top: 1px; }
.facts dd { margin: 0; }
.endpoints { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
@media (max-width: 560px) { .facts { grid-template-columns: 1fr; gap: 2px 0; } .facts dd { margin-bottom: 8px; } }

/* available now */
.model-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 12px; margin: 10px 0 4px; }
.model { border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; background: var(--page); display: grid; gap: 8px; align-content: start; }
.model-head { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.model h3 { margin: 0; font-size: 15px; }
.price { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 0; }
.price dt { color: var(--ink-2); font-size: 13px; }
.price dd { margin: 0; font-variant-numeric: tabular-nums; }
.model .endpoints { font-size: 13px; }
.tabs { display: flex; gap: 6px; margin: 6px 0 8px; }
.notes { margin: 0; padding-left: 18px; display: grid; gap: 6px; font-size: 14px; }

/* chat */
.chat-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.system { margin: 6px 0; }
.system summary { cursor: pointer; }
.system textarea { margin-top: 6px; }
.thread { display: grid; gap: 14px; align-content: start; min-height: 140px; max-height: 60vh; overflow-y: auto; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--page); margin: 8px 0; }
.thread .empty { margin: 0; }
.msg { display: grid; gap: 6px; }
.msg .who { margin: 0; font-size: 12px; color: var(--ink-3); }
.msg .body { overflow-wrap: anywhere; }
.msg .text { white-space: pre-wrap; }
.msg.user { justify-items: end; }
.msg.user .body { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; max-width: 85%; white-space: pre-wrap; }
.msg pre { background: var(--surface); margin: 6px 0; white-space: pre; }
.thinking { border: 1px solid var(--line); border-radius: 8px; color: var(--ink-2); font-size: 13px; background: var(--surface); }
.thinking summary { padding: 6px 10px; cursor: pointer; }
.thinking-body { padding: 0 10px 10px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: 320px; overflow: auto; }
.meta { margin: 0; font-size: 12px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.notice { margin: 0; font-size: 13px; color: var(--warn); }
.composer { max-width: none; }
.composer-actions { display: flex; gap: 8px; }