:root {
  color-scheme: light;
  --background: #f7f7f8;
  --surface: #ffffff;
  --foreground: #171717;
  --muted: #737373;
  --subtle: #f3f3f4;
  --subtle-strong: #e9e9eb;
  --border: #e5e5e7;
  --border-strong: #d4d4d7;
  --primary: #171717;
  --primary-foreground: #fafafa;
  --brand: #2563eb;
  --brand-soft: #eff6ff;
  --success: #087f5b;
  --success-soft: #e7f6f0;
  --danger: #c2412d;
  --danger-soft: #fff0ec;
  --info-soft: #f4f6f8;
  --focus: #a3a3a3;
  --radius-panel: 12px;
  --radius-control: 8px;
  font-family: "Public Sans Variable", "Public Sans", "Segoe UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; min-width: 320px; background: var(--background); color: var(--foreground); font-size: 14px; line-height: 1.5; }
button, input, select { font: inherit; }
button, summary { cursor: pointer; }
a { color: inherit; }
[hidden] { display: none !important; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus) 45%, transparent);
  outline-offset: 2px;
}

.skip-link { position: fixed; left: 12px; top: -60px; z-index: 20; padding: 8px 12px; border-radius: 6px; background: var(--primary); color: white; text-decoration: none; }
.skip-link:focus { top: 8px; }
.navbar { position: sticky; top: 0; z-index: 50; width: 100%; border-bottom: 1px solid #e5e7eb; background: rgb(255 255 255 / 86%); backdrop-filter: blur(12px); }
.navbar-inner { max-width: 72rem; min-height: 64px; margin: 0 auto; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; padding: 10px 16px; gap: 16px; }
.nav-left { min-width: 0; display: flex; align-items: center; gap: 30px; }
.navbar-logo { display: flex; align-items: center; gap: 8px; color: #111827; font-size: 20px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.navbar-logo svg { width: 32px; height: 32px; flex: none; }
.nav-links { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.nav-links a { color: #4b5563; font-size: 14px; text-decoration: none; white-space: nowrap; }
.nav-links a:hover, .nav-links a.active { color: #2563eb; }
.space-languages { display: flex; gap: 4px; margin-left: auto; flex-shrink: 0; }
.space-languages a { padding: 6px 9px; text-decoration: none; border-radius: 4px; }
.space-languages [aria-current] { background: #171717; color: white; }
.btn-signup { display: inline-flex; align-items: center; justify-content: center; flex: none; min-height: 38px; padding: 0 16px; border-radius: 999px; background: #111827; color: #fff; font-size: 13px; font-weight: 700; text-decoration: none; }

main { width: min(100%, 72rem); margin: 0 auto; padding: 34px 16px 48px; }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; padding-bottom: 26px; }
.eyebrow { margin: 0 0 7px; color: var(--brand); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 10px; font-weight: 720; }
h1 { margin: 0 0 8px; font-size: 36px; line-height: 1.15; font-weight: 650; letter-spacing: 0; text-wrap: balance; }
.lead { max-width: 720px; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; text-wrap: pretty; }
.heading-links { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 18px; padding-bottom: 3px; white-space: nowrap; }
.heading-links a { color: var(--muted); font-size: 12px; text-decoration: none; transition: color 160ms ease; }
.heading-links a:hover { color: var(--foreground); }

.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.section-heading h2 { margin: 0; font-size: 16px; line-height: 1.35; font-weight: 650; }
.section-heading p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.section-code { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 9px; }

.panel { min-width: 0; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--surface); box-shadow: 0 1px 2px rgb(0 0 0 / 3%); }
.connection { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.field { margin: 0 0 16px; }
label { display: block; margin: 0 0 7px; font-size: 11px; font-weight: 620; }
input, select { width: 100%; min-width: 0; height: 39px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-control); background: var(--surface); color: var(--foreground); transition: border-color 160ms ease, box-shadow 160ms ease; }
input:hover, select:hover { border-color: #b8b8bd; }
input:focus, select:focus { border-color: #a3a3a8; box-shadow: 0 0 0 3px rgb(163 163 168 / 14%); outline: 0; }
input::placeholder { color: #a3a3a8; }
input[type="checkbox"] { width: 15px; height: 15px; flex: none; padding: 0; margin: 0; accent-color: var(--primary); }
.hint { margin: 7px 0 12px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.label-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 18px 0 7px; }
.label-row label { margin: 0; }
.quiet { padding: 3px 0; border: 0; background: transparent; color: var(--muted); font-size: 10px; }
.quiet:hover { color: var(--foreground); }
pre { font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace; max-height: 430px; margin: 2px 0 8px; padding: 13px; overflow: auto; border: 1px solid var(--border); border-radius: var(--radius-control); background: #f7f7f8; color: #343437; font-size: 10px; line-height: 1.65; white-space: pre-wrap; overflow-wrap: anywhere; }
.advanced { margin: 15px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.advanced summary, details > summary { padding: 10px 0; color: var(--muted); font-size: 11px; }
.actions { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 9px; margin-top: 18px; }
.primary, .secondary { height: 40px; border-radius: var(--radius-control); padding: 0 15px; font-size: 11px; font-weight: 630; transition: background-color 160ms ease, border-color 160ms ease, transform 100ms ease; }
.primary { display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--primary); background: var(--primary); color: var(--primary-foreground); }
.primary:hover { background: #303030; }
.secondary { border: 1px solid var(--border-strong); background: var(--surface); color: var(--foreground); }
.secondary:hover { background: var(--subtle); }
.primary:active, .secondary:active { transform: translateY(1px); }
button:disabled { opacity: .52; cursor: wait; }
.code-tabs { display: flex; flex-wrap: wrap; gap: 4px; margin: 3px 0 7px; }
.code-tabs button { height: 27px; padding: 0 8px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface); color: var(--muted); font-size: 9px; }
.code-tabs button:hover { background: var(--subtle); }
#copy { margin-left: auto; }

.empty-state { padding: 105px 12px 80px; text-align: center; }
.empty-symbol { margin-bottom: 20px; color: #b8b8bd; font: 34px ui-monospace, SFMono-Regular, Consolas, monospace; }
h3 { margin: 0 0 7px; font-size: 16px; font-weight: 620; }
.empty-state > p { max-width: 430px; margin: 0 auto; color: var(--muted); font-size: 11px; line-height: 1.6; }

.footer { display: block; padding: 32px 16px; border-top: 1px solid #e5e7eb; background: #fff; color: #9ca3af; font-size: 13px; text-align: center; }
.footer p { margin: 0; }
.footer a { color: #2563eb; text-decoration: none; }
.footer-links { margin-top: 8px !important; }
.credential-note { margin-top: 8px !important; font-size: 11px; }

/* Model arena */
.workspace { display: grid; grid-template-columns: minmax(300px, 380px) 1fr; gap: 20px; align-items: start; }
.model-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 4px 10px; max-height: 260px; overflow: auto; padding: 8px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); }
.model-option { display: flex; gap: 6px; align-items: center; font-size: 12px; font-family: ui-monospace, Consolas, monospace; overflow: hidden; white-space: nowrap; }
.model-option span { min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.model-group-label { grid-column: 1 / -1; margin: 2px 0 0; padding: 4px 0 2px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 10px; font-weight: 650; letter-spacing: .04em; text-transform: uppercase; }
.model-group-label + .model-group-label, .model-option + .model-group-label { margin-top: 8px; }
.probes-row { display: flex; gap: 18px; flex-wrap: wrap; margin: 12px 0; }
.probes-row label { display: flex; align-items: center; gap: 6px; margin: 0; font-weight: 450; }
.notice { padding: 10px 12px; border-radius: var(--radius-control); background: var(--info-soft); color: var(--muted); font-size: 12px; }
.notice.error { background: var(--danger-soft); color: var(--danger); }
.results-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.model-card { border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--surface); padding: 14px; min-width: 0; }
.model-card h3 { margin: 0 0 10px; font-size: 14px; font-family: ui-monospace, Consolas, monospace; word-break: break-all; }
.probe { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 10px; }
.probe-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.pill { padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 650; background: var(--subtle); color: var(--muted); }
.pill.running { background: var(--brand-soft); color: var(--brand); }
.pill.ok { background: var(--success-soft); color: var(--success); }
.pill.fail, .pill.aborted { background: var(--danger-soft); color: var(--danger); }
.meta-row { display: flex; gap: 12px; flex-wrap: wrap; margin: 6px 0; }
.meta { color: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.badges { display: flex; gap: 6px; flex-wrap: wrap; margin: 6px 0; }
.badge { padding: 2px 7px; border-radius: 6px; font-size: 11px; }
.badge.pass { background: var(--success-soft); color: var(--success); }
.badge.fail { background: var(--danger-soft); color: var(--danger); }
.preview:empty { display: none; }
.svg-preview { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: contain; border: 1px solid var(--border); border-radius: var(--radius-control); background: #fff; }
.probe .error { padding: 8px 10px; border-radius: var(--radius-control); background: var(--danger-soft); color: var(--danger); font-size: 12px; word-break: break-word; }
.probe details { margin-top: 6px; font-size: 12px; }
.probe pre, #request-code { max-height: 260px; overflow: auto; padding: 10px; border-radius: var(--radius-control); background: var(--subtle); font-size: 11px; white-space: pre-wrap; word-break: break-word; }
.notes { margin-top: 30px; color: var(--muted); font-size: 13px; }
.showcase { margin: 0 0 28px; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--surface); box-shadow: 0 1px 2px rgb(0 0 0 / 3%); }
.showcase .section-heading p { max-width: 720px; overflow-wrap: anywhere; }
.showcase .results-grid { grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr)); }
.showcase > .hint { margin: 14px 0 0; }
.showcase .section-heading { align-items: center; }
.showcase-cta { margin-left: auto; margin-right: 12px; padding: 7px 12px; border-radius: 999px; background: var(--primary); color: var(--primary-foreground); font-size: 12px; font-weight: 650; text-decoration: none; white-space: nowrap; }
.showcase-cta:hover { background: #333; }
@media (max-width: 640px) { .showcase .section-heading { flex-wrap: wrap; } .showcase .section-heading > div { flex-basis: 100%; } .showcase-cta { margin-left: 0; } }
.model-card > .hint { margin: 10px 0 0; }

@media (max-width: 1000px) {
  .navbar-inner { padding-top: 12px; padding-bottom: 12px; align-items: flex-start; }
  .nav-left { flex-direction: column; align-items: flex-start; gap: 12px; }
  .nav-links { gap: 14px; }
}

@media (max-width: 900px) {
  .workspace { grid-template-columns: 1fr; }
  .page-heading { flex-direction: column; align-items: flex-start; }
  .heading-links { white-space: normal; }
  .connection { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-left { width: 100%; }
  .nav-links { row-gap: 8px; }
  .page-heading { gap: 14px; }
  .heading-links { width: 100%; justify-content: flex-start; }
}

@media (max-width: 640px) {
  h1 { font-size: 28px; }
  .navbar-logo { font-size: 18px; }
  .navbar-inner { gap: 10px; }
  .btn-signup { padding-inline: 12px; }
}

@media (max-width: 520px) {
  .nav-links { gap: 8px 14px; }
  .nav-links a { font-size: 13px; }
  .btn-signup { min-height: 36px; }
  main { padding: 24px 12px 36px; }
  .lead { font-size: 13px; }
  .section-heading { margin-bottom: 16px; }
  .panel { padding: 16px; }
  .showcase { padding: 16px; }
  .connection { gap: 0; }
  input, select { height: 42px; font-size: 16px; }
  input[type="checkbox"] { height: 15px; }
  .actions { grid-template-columns: 1fr; }
  .secondary { width: 100%; }
  .empty-state { padding: 70px 4px 55px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}

/* Image arena */
textarea { width: 100%; min-width: 0; padding: 9px 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-control); background: var(--surface); color: var(--foreground); font: inherit; line-height: 1.5; resize: vertical; transition: border-color 160ms ease, box-shadow 160ms ease; }
textarea:hover { border-color: #b8b8bd; }
textarea:focus { border-color: #a3a3a8; box-shadow: 0 0 0 3px rgb(163 163 168 / 14%); outline: 0; }
.gallery { margin: 0 0 28px; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--surface); box-shadow: 0 1px 2px rgb(0 0 0 / 3%); }
.gallery .section-heading p { max-width: 720px; overflow-wrap: anywhere; }
.gallery > .hint { margin: 14px 0 0; }
.prompt-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }
.prompt-tab { height: 32px; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: 999px; background: var(--surface); color: var(--muted); font-size: 12px; font-weight: 600; transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease; }
.prompt-tab:hover { background: var(--subtle); color: var(--foreground); }
.prompt-tab.active, .prompt-tab[aria-selected="true"] { background: var(--primary); border-color: var(--primary); color: var(--primary-foreground); }
.prompt-box { margin: 0 0 14px; padding: 12px 14px; border-radius: var(--radius-control); background: var(--subtle); }
.prompt-text { margin: 0; font-size: 13px; line-height: 1.6; overflow-wrap: anywhere; }
.prompt-alt { margin-top: 4px; color: var(--muted); font-size: 12px; }
.prompt-box .meta { display: block; margin-top: 8px; }
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); gap: 12px; }
.gallery-card { display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--surface); overflow: hidden; }
.gallery-thumb { display: block; width: 100%; aspect-ratio: 1 / 1; margin: 0; padding: 0; border: 0; border-bottom: 1px solid var(--border); background: var(--subtle); overflow: hidden; }
button.gallery-thumb { cursor: zoom-in; }
.gallery-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.gallery-thumb.failed { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 14px; background: var(--danger-soft); cursor: default; }
.gallery-thumb.failed p { max-height: 100%; margin: 0; overflow: hidden; color: var(--danger); font-size: 11px; line-height: 1.5; text-align: center; overflow-wrap: anywhere; display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; }
.gallery-meta { padding: 10px 12px 12px; }
.gallery-meta h3 { margin: 0 0 4px; font-size: 13px; font-family: ui-monospace, Consolas, monospace; overflow-wrap: anywhere; }
.gallery-meta .meta-row { margin: 0; gap: 6px 10px; }
.model-price { margin-left: auto; color: var(--muted); font-size: 11px; font-family: inherit; }
.live-image { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: contain; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--subtle); }
.model-card .probe-head h3 { margin: 0; font-size: 14px; font-family: ui-monospace, Consolas, monospace; word-break: break-all; }
.model-card > .hint:empty { display: none; }
.model-card .error { padding: 8px 10px; border-radius: var(--radius-control); background: var(--danger-soft); color: var(--danger); font-size: 12px; word-break: break-word; }
.lightbox { width: min(96vw, 1040px); max-height: 96vh; padding: 12px; border: 1px solid var(--border); border-radius: var(--radius-panel); background: var(--surface); color: var(--foreground); box-shadow: 0 20px 60px rgb(0 0 0 / 30%); }
.lightbox::backdrop { background: rgb(0 0 0 / 60%); }
.lightbox-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.lightbox-head .meta { font-family: "Public Sans Variable", "Public Sans", "Segoe UI", "Microsoft YaHei", sans-serif; }
.lightbox img { display: block; width: 100%; max-height: calc(96vh - 70px); object-fit: contain; border-radius: var(--radius-control); background: var(--subtle); }
@media (max-width: 520px) { .gallery { padding: 16px; } .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(min(150px, 100%), 1fr)); gap: 8px; } textarea { font-size: 16px; } }
.model-list { grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr)); }
.model-option span:first-of-type { flex: 1 1 auto; }

/* Footer CTA to the canonical page on crazyrouter.com (HuggingFace build). */
.footer-cta { margin-top: 10px !important; }
.run-on-site { display: inline-block; padding: 7px 14px; border-radius: 999px; background: var(--primary); color: var(--primary-foreground) !important; font-size: 12px; font-weight: 650; text-decoration: none; }
.run-on-site:hover { background: #333; }

/* Model page links (site build only; names stay plain text elsewhere). */
.model-link { color: inherit; text-decoration: underline; text-decoration-color: var(--border-strong); text-underline-offset: 3px; }
.model-link:hover { text-decoration-color: currentColor; }

/* Account mode (site build only): session status + Account / API key toggle above the connection fields. */
.account-bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 14px; margin: 0 0 14px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--info-soft); font-size: 12px; }
.account-status { min-width: 0; overflow-wrap: anywhere; }
.account-link { font-weight: 650; }
.mode-toggle { display: inline-flex; gap: 4px; padding: 3px; border: 1px solid var(--border-strong); border-radius: 999px; background: var(--surface); }
.mode-toggle label { position: relative; margin: 0; padding: 4px 12px; border-radius: 999px; font-size: 11px; font-weight: 650; color: var(--muted); cursor: pointer; }
.mode-toggle input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.mode-toggle label:has(input:checked) { background: var(--primary); color: var(--primary-foreground); }
.mode-toggle label:has(input:focus-visible) { outline: 2px solid var(--primary); outline-offset: 2px; }
.account-hint { margin-top: 0; }

/* Gallery panels: one per prompt, inactive ones hidden (prerendered on the site build). */
.gallery-panel[hidden] { display: none; }