:root {
  --bg: #101114;
  --bg-elev: #181a20;
  --bg-card: #1c1f28;
  --bg-card-hover: #232734;
  --line: #2c3140;
  --text: #ece8e1;
  --muted: #9a948a;
  --faint: #6e6a63;
  --accent: #d4a054;
  --accent-ink: #1a140c;
  --accent-soft: rgba(212, 160, 84, 0.14);
  --ok: #7dba8a;
  --chip: #262a36;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --max: 760px;
  --sans: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua",
    "PT Serif", Georgia, serif;
  --ui: "Segoe UI", "PT Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", ui-monospace, Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -10%, #2a2418 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #1a2430 0%, transparent 50%),
    var(--bg);
  font-family: var(--ui);
  line-height: 1.5;
}

.wrap {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 80px;
}

header {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 28px;
}

.header-text {
  flex: 1;
  min-width: 0;
}

.title-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: space-between;
}

#settings-toggle,
.secondary,
.ghost {
  appearance: none;
  border-radius: 999px;
  font: 650 0.85rem/1 var(--ui);
  padding: 8px 12px;
  cursor: pointer;
}

#settings-toggle,
.secondary {
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--text);
}

.ghost {
  border: 0;
  background: transparent;
  color: var(--muted);
}

.settings {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 16px;
}

.settings-lead {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.settings label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 10px 4px 6px;
}

.settings input,
.settings select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  padding: 10px 12px;
  font: 0.95rem/1.4 var(--ui);
}

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 4px;
  padding: 0;
  list-style: none;
}

.steps li {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--faint);
  font-size: 0.8rem;
}

.steps li.active {
  border-color: var(--accent);
  color: var(--accent);
}

.steps li.done {
  color: var(--ok);
  border-color: #35553c;
}

.source {
  font-size: 0.75rem;
  color: var(--faint);
}

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

.why {
  margin: 0;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.88rem;
}

.understood {
  margin: 14px 0 4px;
}

.understood-label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 8px;
}

.understood-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.chip-concept {
  border-color: rgba(212, 160, 84, 0.45);
  background: var(--accent-soft);
}

.chip-concept .x {
  margin-left: 6px;
  color: var(--faint);
}

.understood-add {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.understood-add input {
  flex: 1;
  min-width: 140px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg);
  color: var(--text);
  padding: 8px 12px;
  font: 0.9rem/1.3 var(--ui);
}

#search-btn:disabled {
  opacity: 0.6;
  cursor: wait;
}

.mark {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(145deg, #e2b36a, #9a6a2c);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.mark svg {
  display: block;
  width: 44px;
  height: 44px;
}

h1 {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(1.7rem, 4vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.lede {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 42em;
}

.lede em {
  font-style: normal;
  color: var(--text);
}

.search {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}

.search label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 2px 4px 8px;
}

#prompt {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  padding: 12px 14px;
  font: 1.05rem/1.45 var(--ui);
  outline: none;
}

#prompt:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 12px;
}

#search-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font: 650 0.95rem/1 var(--ui);
  padding: 12px 18px;
  cursor: pointer;
}

#search-btn:hover {
  filter: brightness(1.06);
}

#search-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.hint {
  color: var(--faint);
  font-size: 0.85rem;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.chip {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--chip);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.88rem;
  cursor: pointer;
}

.chip:hover,
.chip:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.status {
  margin: 22px 0 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.status strong {
  color: var(--text);
  font-weight: 650;
}

.fallback-tip {
  margin: 0 0 16px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(212, 160, 84, 0.28);
  color: var(--text);
  font-size: 0.92rem;
}

.results {
  display: grid;
  gap: 12px;
}

.card {
  display: grid;
  gap: 8px;
  padding: 16px 16px 14px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.card:hover {
  background: var(--bg-card-hover);
  border-color: #3a4154;
}

.card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: baseline;
  justify-content: space-between;
}

.card h2 {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.22rem;
  font-weight: 600;
}

.meta {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.cat {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: #2a2430;
  color: #d7c4a3;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stars {
  font-variant-numeric: tabular-nums;
}

.insight {
  margin: 0;
}

.insight-en {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  font-size: 0.75rem;
  color: var(--faint);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px 7px;
}

.card a {
  color: var(--accent);
  font-size: 0.9rem;
  word-break: break-all;
  text-decoration: none;
}

.card a:hover {
  text-decoration: underline;
}

.empty {
  margin-top: 28px;
  color: var(--muted);
}

.empty h2 {
  margin: 0 0 8px;
  font-family: var(--sans);
  color: var(--text);
  font-size: 1.2rem;
}

.error {
  margin-top: 20px;
  padding: 14px;
  border: 1px solid #5a3030;
  background: #241616;
  border-radius: 12px;
}

footer {
  margin-top: 48px;
  color: var(--faint);
  font-size: 0.82rem;
}

footer a {
  color: var(--muted);
}

@media (max-width: 560px) {
  .wrap {
    width: min(var(--max), calc(100% - 20px));
    padding-top: 24px;
  }

  .search {
    padding: 12px;
  }

  #search-btn {
    width: 100%;
  }
}