/* kiln — the marlyg.me HUD, pointed at a text box. */

:root {
  --bg: #ffffff;
  --ink: #000000;
  --dim: #6b7280;
  --line: #e5e5e5;
  --hot: #ff4d17;
  --code-bg: #0a0a0a;
  --code-ink: #cfd4dc;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08090b;
    --ink: #f2f4f7;
    --dim: #7b8494;
    --line: #1c1f26;
    --code-bg: #000000;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 300;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ink); color: var(--bg); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

.scanlines {
  position: fixed; inset: 0; z-index: 100; pointer-events: none;
  background: repeating-linear-gradient(
    to bottom, transparent 0 2px, rgba(127, 127, 127, 0.035) 2px 3px);
}

/* ---- chrome ---------------------------------------------------------------- */

.bar {
  display: flex; align-items: center; gap: 10px;
  padding: 14px clamp(16px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
  font-size: 11px; letter-spacing: 0.14em; text-transform: lowercase;
}
.mark { color: var(--ink); text-decoration: none; font-weight: 500; }
.mark:hover { color: var(--hot); }
.bar-mid { color: var(--dim); }
.bar-right { margin-left: auto; color: var(--dim); }

main {
  flex: 1;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(30px, 7vh, 80px) clamp(16px, 4vw, 40px);
}

.foot {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 16px clamp(16px, 4vw, 40px);
  border-top: 1px solid var(--line);
  color: var(--dim);
}
.foot a { color: var(--dim); }

/* ---- stage 1 --------------------------------------------------------------- */

h1 {
  font-size: clamp(28px, 5.4vw, 58px);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -0.035em;
  margin-bottom: clamp(26px, 5vh, 48px);
}
.muted { color: var(--dim); }

textarea, input[type="email"] {
  width: 100%;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 16px 18px;
  font: inherit;
  font-size: 15px;
  resize: vertical;
  transition: border-color 0.2s;
}
textarea:focus, input:focus { outline: none; border-color: var(--ink); }
textarea::placeholder, input::placeholder { color: var(--dim); opacity: 0.75; }

.row { margin-top: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: none; border: 1px solid var(--line); color: var(--dim);
  font: inherit; font-size: 11px; letter-spacing: 0.02em;
  padding: 7px 12px; cursor: pointer; text-align: left;
  transition: border-color 0.2s, color 0.2s;
}
.chip:hover { border-color: var(--ink); color: var(--ink); }

.actions { display: flex; align-items: center; gap: 18px; margin-top: 22px; }

button, .btn {
  font: inherit; font-size: 12px; letter-spacing: 0.18em;
  text-transform: lowercase; cursor: pointer;
  border: 1px solid var(--ink); background: transparent; color: var(--ink);
  padding: 12px 30px; text-decoration: none; display: inline-block;
  transition: background 0.2s, color 0.2s, border-color 0.2s, opacity 0.2s;
}
button:hover, .btn:hover { background: var(--ink); color: var(--bg); }
.btn.solid { background: var(--ink); color: var(--bg); }
.btn.solid:hover { background: var(--hot); border-color: var(--hot); color: #fff; }
.ghost { border-color: var(--line); color: var(--dim); }
.ghost:hover { background: transparent; border-color: var(--ink); color: var(--ink); }
button:disabled { opacity: 0.4; cursor: wait; }
button:focus-visible, .btn:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--hot); outline-offset: 3px;
}

.fine { font-size: 11px; letter-spacing: 0.06em; color: var(--dim); }
.footnote { margin-top: 34px; max-width: 48ch; }
.footnote a { color: var(--ink); }

/* ---- stage 2: the build ---------------------------------------------------- */

.build-head {
  display: flex; align-items: center; gap: 12px;
  font-size: 11px; letter-spacing: 0.14em; color: var(--dim);
  margin-bottom: 14px;
}
.pulse {
  width: 7px; height: 7px; background: var(--hot); border-radius: 50%;
  animation: throb 1.1s ease-in-out infinite;
}
@keyframes throb { 0%,100% { opacity: 1; } 50% { opacity: 0.18; } }
#build-bytes { margin-left: auto; }

#stream {
  background: var(--code-bg);
  color: var(--code-ink);
  border: 1px solid var(--line);
  padding: 20px;
  height: min(62vh, 620px);
  overflow: auto;
  font-size: 11.5px;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-word;
  scrollbar-width: thin;
}
#stream code { color: inherit; font: inherit; }

/* ---- stage 3: the result --------------------------------------------------- */

.done-head {
  display: flex; flex-wrap: wrap; gap: 20px;
  align-items: flex-end; justify-content: space-between;
  margin-bottom: 22px;
}
#done-title { font-size: clamp(22px, 3.4vw, 34px); font-weight: 300; letter-spacing: -0.03em; }
#done-brief { max-width: 60ch; margin-bottom: 6px; }
.done-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.viewport { border: 1px solid var(--line); background: var(--bg); }
.viewport-bar {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 14px; border-bottom: 1px solid var(--line);
  font-size: 10px; letter-spacing: 0.12em; color: var(--dim);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.spacer { flex: 1; }
.seg {
  border: none; background: none; color: var(--dim);
  font-size: 10px; letter-spacing: 0.12em; padding: 4px 9px;
}
.seg:hover { background: transparent; color: var(--ink); }
.seg.is-on { color: var(--ink); border-bottom: 1px solid var(--hot); }

#preview {
  display: block;
  width: 100%;
  height: min(72vh, 780px);
  border: 0;
  background: #fff;
  margin: 0 auto;
  transition: width 0.28s ease;
}

/* ---- claim dialog ---------------------------------------------------------- */

dialog {
  border: 1px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  padding: 30px;
  max-width: 460px;
  width: calc(100% - 32px);
  font-family: var(--mono);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.62); }
dialog h3 { font-weight: 400; font-size: 19px; letter-spacing: -0.02em; margin-bottom: 10px; }
dialog p { margin-bottom: 18px; }
dialog input, dialog textarea { margin-bottom: 12px; }
.claim-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 6px; }
#claim-status { margin-top: 14px; min-height: 1.4em; }
#claim-status.bad { color: var(--hot); }

@media (max-width: 640px) {
  .done-actions { width: 100%; }
  .done-actions > * { flex: 1; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}