/* BYOK playground — Graphite & Ember. Flat ember, no gradient fills. */

:root {
  --ember: #c2410c;
  --ember-2: #e2622e;
  --font-heading: "Bricolage Grotesque", "Space Grotesk", system-ui, sans-serif;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 12px;
  --topbar-h: 60px;
}

:root, [data-theme="dark"] {
  --bg: #0e0e11;
  --surface: #141418;
  --surface-2: #1b1b20;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #c9c9c4;
  --text-strong: #e8e8e4;
  --muted: #8a8a85;
  --accent-text: #e2622e;
  --ok: #5aa877;
  --danger: #d0533f;
  --warn: #d19a2a;
}

[data-theme="light"] {
  --ember: #b23a0a;
  --ember-2: #c2410c;
  --bg: #faf9f6;
  --surface: #ffffff;
  --surface-2: #f3f1eb;
  --border: rgba(23, 23, 26, 0.1);
  --border-strong: rgba(23, 23, 26, 0.18);
  --text: #3d3a34;
  --text-strong: #17171a;
  --muted: #6b675e;
  --accent-text: #b23a0a;
  --ok: #2f7d4f;
  --danger: #b43d2b;
  --warn: #a86f0a;
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: hidden; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--font-heading); color: var(--text-strong); letter-spacing: -0.03em; margin: 0; }
h1 { font-size: 1.35rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1.02rem; }
p { margin: 0; }
a { color: var(--text-strong); }
a:hover { color: var(--accent-text); }
button, input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }
code { font-family: var(--font-mono); font-size: 0.84em; color: var(--accent-text); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--topbar-h);
  padding: 0.6rem 1.1rem;
  border-bottom: 1px solid var(--border);
}
.brand {
  display: flex;
  gap: 0.55rem;
  align-items: center;
  color: var(--text-strong);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 680;
  flex-shrink: 0;
  min-height: 44px;
}
.brand__mark { color: var(--ember); }
.topbar__title { flex: 1; min-width: 0; }
.topbar__title h1 { overflow-wrap: anywhere; }
.topbar__title p, .topbar__tag { margin: 0.15rem 0 0; color: var(--muted); }
.topbar__actions { display: flex; gap: 0.5rem; align-items: center; flex-shrink: 0; }

.shows {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.shows--bar {
  padding: 0.75rem 1.1rem;
  background: rgba(194, 65, 12, 0.08);
  border-bottom: 1px solid rgba(194, 65, 12, 0.28);
}
.shows__k {
  margin-right: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ember);
}

.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 1rem 1.1rem 0;
}
.intro h2 { margin-bottom: 0.4rem; }
.intro ul { margin: 0; padding-left: 1.15rem; color: var(--muted); }
.intro li { margin: 0.25rem 0; }

.panel {
  margin: 1rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1rem 1rem 1.1rem;
  min-width: 0;
}
.panel__head p, .hint, .foot, .metrics { color: var(--muted); }
.panel__head p { margin: 0.35rem 0 0.85rem; }

.fields {
  display: grid;
  grid-template-columns: 1.1fr 1.3fr 0.9fr;
  gap: 0.7rem;
}
label { display: grid; gap: 0.28rem; color: var(--muted); font-size: 0.85rem; min-width: 0; }
input, textarea, select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  min-height: 2.75rem;
  font-size: 16px;
  max-width: 100%;
}
textarea { min-height: 4.2rem; resize: vertical; }
.key-actions, .compare-bar, .composer, .sliders {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-top: 0.85rem;
}
.check { display: flex; gap: 0.4rem; align-items: center; color: var(--text); font-size: 0.92rem; }
.check input { width: auto; min-height: 1.15rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.4rem 0.95rem;
  border: 0;
  border-radius: 999px;
  background: var(--ember);
  color: #fff7f3;
  text-decoration: none;
  font-weight: 680;
  cursor: pointer;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-ghost {
  background: transparent;
  color: var(--text-strong);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}
.btn-icon { width: 44px; min-width: 44px; padding: 0; }
.icon { width: 18px; height: 18px; }

.tabs {
  display: flex;
  gap: 0.35rem;
  padding: 0 1.1rem;
  overflow-x: auto;
}
.tab {
  min-height: 44px;
  padding: 0.35rem 0.9rem;
  border: 0;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-weight: 600;
}
.tab.is-on { background: var(--ember); color: #fff7f3; }

.controls { display: grid; gap: 0.7rem; }
.sliders { display: grid; grid-template-columns: 1fr 1fr; margin-top: 0; }
.sliders input[type="range"] { min-height: 44px; padding: 0; accent-color: var(--ember); }
.transcript {
  list-style: none;
  margin: 0.8rem 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
  max-height: min(48dvh, 22rem);
  overflow: auto;
}
.transcript:empty::before {
  content: "Send a prompt. The reply is text only.";
  color: var(--muted);
}
.bubble {
  background: var(--surface-2);
  border-radius: 12px;
  padding: 0.6rem 0.75rem;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.bubble .who {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-bottom: 0.2rem;
}
.bubble.assistant { box-shadow: inset 3px 0 0 var(--ember); }
.composer { align-items: stretch; margin-top: 0.4rem; }
.composer textarea { flex: 1; min-width: 0; min-height: 44px; }
.composer .btn { align-self: end; }
.prompt-note { flex-basis: 100%; margin: 0; }
.prompt-note.is-over { color: var(--danger); }

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 0.8rem;
}
.lane {
  background: var(--surface-2);
  border-radius: 12px;
  padding: 0.75rem;
  min-width: 0;
}
.metrics { margin: 0.25rem 0 0.5rem; font-size: 0.82rem; }
.out {
  margin: 0;
  min-height: 8rem;
  max-height: 16rem;
  overflow: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-strong);
}
.turnstile { max-width: 100%; overflow: auto; }

.caps { list-style: none; margin: 0.8rem 0 0; padding: 0; display: grid; gap: 0.55rem; }
.cap {
  background: var(--surface-2);
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
  min-width: 0;
}
.cap header { display: flex; justify-content: space-between; gap: 0.5rem; align-items: baseline; }
.pill {
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 680;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.pill-pass { background: rgba(90, 168, 119, 0.18); color: var(--ok); }
.pill-fail { background: rgba(208, 83, 63, 0.16); color: var(--danger); }
.pill-unsupported { background: rgba(209, 154, 42, 0.16); color: var(--warn); }
.pill-inconclusive { background: rgba(138, 138, 133, 0.16); color: var(--muted); }
.cap .raw {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.status {
  min-height: 1.4rem;
  margin: 0 1.1rem 0.4rem;
  color: var(--danger);
  overflow-wrap: anywhere;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 0.6rem 1.1rem 1.6rem;
  font-size: 0.9rem;
}
.foot p { max-width: 40rem; }
.foot__links { display: flex; flex-wrap: wrap; gap: 0.35rem 0.8rem; align-items: center; }
.foot__links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

@media (max-width: 900px) {
  .topbar {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas: "brand actions" "title title";
    align-items: center;
    gap: 0.35rem 0.75rem;
    padding-top: max(10px, env(safe-area-inset-top));
    padding-left: max(12px, env(safe-area-inset-left));
    padding-right: max(12px, env(safe-area-inset-right));
  }
  .brand { grid-area: brand; }
  .topbar__actions { grid-area: actions; margin-left: 0; justify-self: end; }
  .topbar__title { grid-area: title; min-width: 0; }
  .topbar__tag { display: none; }
  .intro, .fields, .compare-grid, .sliders { display: flex; flex-direction: column; align-items: stretch; }
  .intro { padding-top: 0.65rem; }
  .intro li { margin: 0.15rem 0; }
  .panel { margin: 0.7rem 0.85rem; padding: 0.85rem; }
  .shows--bar { padding: 0.55rem 0.85rem; }
  .panel__head p { margin: 0.25rem 0 0.6rem; }
  .btn, a.btn, .tab, .btn-ghost { min-height: 44px; }
  .btn-icon { width: 44px; height: 44px; }
  body { padding-bottom: calc(1.2rem + env(safe-area-inset-bottom)); }
  .composer { padding-bottom: env(safe-area-inset-bottom); }
  .transcript { max-height: 42dvh; }
  .foot { flex-direction: column; }
}