:root {
  --iron: #e6dfd2;
  --iron-2: #f7f3ec;
  --iron-3: #fffdf9;
  --line: #e0d6c8;
  --ink-on-iron: #1c1915;
  --muted-on-iron: #5e574e;
  --copper: #e08a45;
  --copper-deep: #b85c28;
  --cream: #fffdf9;
  --ink: #1c1915;
  --muted: #5e574e;
  --rule: #eadfce;
  --ok: #1d6b45;
  --warn: #9a3412;
  --note: #6b645a;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --shadow: 0 18px 44px rgba(40, 28, 12, 0.12);
  color-scheme: light;
  font-synthesis: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --iron: #12110f;
    --iron-2: #1c1a17;
    --iron-3: #26221c;
    --line: #3a342c;
    --ink-on-iron: #f4efe6;
    --muted-on-iron: #b7aea0;
    --cream: #231f1b;
    --ink: #f4efe6;
    --muted: #b7aea0;
    --rule: #3c352c;
    --ok: #8dcea8;
    --warn: #f0a080;
    --note: #b7aea0;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --iron: #12110f;
  --iron-2: #1c1a17;
  --iron-3: #26221c;
  --line: #3a342c;
  --ink-on-iron: #f4efe6;
  --muted-on-iron: #b7aea0;
  --cream: #231f1b;
  --ink: #f4efe6;
  --muted: #b7aea0;
  --rule: #3c352c;
  --ok: #8dcea8;
  --warn: #f0a080;
  --note: #b7aea0;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

:root[data-theme="light"] {
  --iron: #e6dfd2;
  --iron-2: #f7f3ec;
  --iron-3: #fffdf9;
  --line: #e0d6c8;
  --ink-on-iron: #1c1915;
  --muted-on-iron: #5e574e;
  --cream: #fffdf9;
  --ink: #1c1915;
  --muted: #5e574e;
  --rule: #eadfce;
  --ok: #1d6b45;
  --warn: #9a3412;
  --note: #6b645a;
  --shadow: 0 18px 44px rgba(40, 28, 12, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 400px at 10% -10%, color-mix(in srgb, var(--copper) 18%, transparent), transparent 60%),
    var(--iron);
  color: var(--ink-on-iron);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
}

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--cream);
  color: var(--ink);
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 5;
}

.skip:focus { top: 12px; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 72px;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--serif);
  font-size: 1.7rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.mark { display: block; flex: none; border-radius: 8px; }

.tagline {
  margin: 8px 0 0;
  color: var(--muted-on-iron);
  max-width: 38rem;
}

.ask label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-on-iron);
  margin-bottom: 8px;
}

textarea, button, input { font: inherit; color: inherit; }

#query {
  width: 100%;
  resize: vertical;
  min-height: 88px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--iron-2);
  color: var(--ink-on-iron);
  line-height: 1.45;
}

#query::placeholder { color: var(--muted-on-iron); }

.ask-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.primary, .ghost, .texty, .chip, .icon-btn, .lib-item, .lib-del {
  cursor: pointer;
}

.primary, .ghost, .texty {
  border-radius: 999px;
  padding: 11px 18px;
  border: 1px solid transparent;
}

.primary {
  background: var(--copper-deep);
  color: #fffaf5;
  font-weight: 650;
}

.primary:disabled { opacity: 0.55; cursor: wait; }

.ghost, .texty {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-on-iron);
}

.paper .texty, .paper .ghost {
  color: var(--ink);
  border-color: var(--rule);
}

.hint, .fine, .live {
  margin: 0;
  color: var(--muted-on-iron);
  font-size: 0.92rem;
}

.live { min-height: 1.4em; margin: 12px 0; }

.live:empty { margin: 0; }

.error {
  margin: 10px 0 0;
  color: var(--warn);
  font-weight: 600;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip {
  max-width: 100%;
  text-align: left;
  background: transparent;
  color: var(--ink-on-iron);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 0.88rem;
  line-height: 1.35;
}

.chip:hover, .ghost:hover, .texty:hover, .lib-item:hover {
  border-color: var(--copper);
}

.empty {
  margin-top: 8px;
  padding: 8px 0 0;
}

.empty h2, .paper h2 {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 560;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.legend li {
  background: var(--iron-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
}

.fine { margin-top: 14px; }

.desk {
  display: grid;
  grid-template-columns: minmax(0, 232px) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.desk > * { min-width: 0; }

.paper, .paper h1, .paper li, .chip, .look, .src {
  overflow-wrap: anywhere;
}

.rail-label {
  margin: 18px 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-on-iron);
  font-weight: 650;
}

.rail-label:first-child { margin-top: 0; }

.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.step {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 8px;
  align-items: start;
  border: 1px solid var(--line);
  background: var(--iron-2);
  border-radius: 12px;
  padding: 10px 10px 10px 12px;
}

.step .who { font-weight: 650; display: block; }
.step .job { margin: 2px 0 0; color: var(--muted-on-iron); font-size: 0.82rem; }

.dot {
  width: 10px;
  height: 10px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--line);
}

.step[data-state="run"] { border-color: var(--copper); }
.step[data-state="run"] .dot { background: var(--copper); }
.step[data-state="done"] { border-color: color-mix(in srgb, var(--ok) 55%, var(--line)); }
.step[data-state="done"] .dot { background: var(--ok); }

.library { display: grid; gap: 6px; }

.lib-empty {
  margin: 0;
  color: var(--muted-on-iron);
  font-size: 0.9rem;
}

.lib-row { display: flex; gap: 4px; align-items: stretch; }

.lib-item {
  flex: 1;
  min-width: 0;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 8px;
  color: inherit;
}

.lib-item span {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  white-space: normal;
  font-size: 0.92rem;
}

.lib-item small { color: var(--muted-on-iron); font-size: 0.75rem; }

.lib-del {
  border: 0;
  background: transparent;
  color: var(--muted-on-iron);
  border-radius: 8px;
  padding: 0 8px;
}

.paper {
  background: var(--cream);
  color: var(--ink);
  border-radius: 18px;
  padding: 28px 28px 22px;
  box-shadow: var(--shadow);
  min-width: 0;
}

.eyebrow {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper-deep);
}

:root[data-theme="dark"] .eyebrow,
:root:not([data-theme="light"]) .eyebrow {
  color: var(--copper);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .eyebrow { color: var(--copper-deep); }
}

.paper h1 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 560;
  margin: 0 0 12px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.pill {
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 3px 10px;
  color: var(--ink);
}

.meter {
  width: 88px;
  height: 8px;
  border-radius: 99px;
  background: var(--rule);
  overflow: hidden;
}

.meter > span {
  display: block;
  height: 100%;
  background: var(--copper-deep);
  width: 0;
}

.paper h2 { margin-top: 26px; }

.paper p { margin: 0 0 10px; }

.paper ol, .paper ul { margin: 0; padding-left: 1.2rem; }
.paper li + li { margin-top: 6px; }

.lead {
  border-top: 1px solid var(--rule);
  padding: 16px 0 4px;
}

.lead h3 {
  font-size: 1rem;
  line-height: 1.35;
  margin: 0 0 8px;
  font-weight: 650;
}

.look { margin: 0 0 8px; }

.search-row {
  display: flex;
  gap: 8px;
  align-items: center;
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  border-radius: 10px;
  padding: 8px 8px 8px 12px;
  margin-bottom: 8px;
}

.search-row code {
  font-family: var(--mono);
  font-size: 0.82rem;
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
}

.icon-btn {
  flex: none;
  border: 1px solid var(--rule);
  background: var(--cream);
  color: var(--ink);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.78rem;
}

.src { margin: 0 0 8px; color: var(--muted); font-size: 0.88rem; }

.note-label { display: block; font-size: 0.82rem; color: var(--muted); margin-bottom: 6px; }

.note::placeholder { color: var(--muted); }

.note {
  width: 100%;
  min-height: 74px;
  resize: vertical;
  border-radius: 12px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--ink);
  padding: 10px 12px;
  line-height: 1.45;
}

.flags { list-style: none; padding: 0; margin: 8px 0 0; }

.flag {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 8px;
  padding: 6px 0;
  border-top: 1px solid var(--rule);
}

.lvl {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding-top: 3px;
}

.flag.warn .lvl { color: var(--warn); }
.flag.ok .lvl { color: var(--ok); }
.flag.note .lvl { color: var(--note); }

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 8px;
}

.md {
  margin-top: 12px;
  padding: 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--ink) 5%, transparent);
  overflow: auto;
  max-height: 360px;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.45;
  white-space: pre-wrap;
}

.noscript {
  margin-top: 16px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
}

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

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

@media (max-width: 800px) {
  .desk { grid-template-columns: minmax(0, 1fr); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .step { min-width: 0; }
  .step .job { display: none; }
}

@media (max-width: 640px) {
  .wrap { padding: 16px 14px 48px; }
  .top { flex-direction: column; }
  .brand { font-size: 1.45rem; }
  .paper { padding: 18px 14px 12px; border-radius: 14px; }
  .actions { gap: 8px; }
  .ask-row .primary { width: 100%; }
  .search-row { flex-direction: column; align-items: stretch; }
  .flag { grid-template-columns: 1fr; gap: 2px; }
}

@media print {
  body { background: white; color: black; }
  .top, .ask, .rail, .actions, .chips, .live, .empty, .skip { display: none !important; }
  .desk { display: block; }
  .paper { box-shadow: none; background: white; color: black; }
  .note { border-color: #ccc; }
}