:root {
  --bg: #F5F2EA;
  --card: #FFFFFF;
  --ink: #2B2A27;
  --muted: #71695E;
  --accent: #C9603F;
  --accent-dark: #A94B2E;
  --line: #E6DFD2;
  --code-bg: #2B2A27;
  --code-ink: #F5F2EA;
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  background: linear-gradient(180deg, #EFE7D8 0%, var(--bg) 100%);
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.78rem;
  color: var(--accent-dark);
  font-weight: 700;
  margin: 0 0 10px;
}

h1 {
  font-size: 2.4rem;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin: 0 0 24px;
}

main {
  padding: 40px 24px 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 28px 32px;
  margin-bottom: 24px;
}

.card h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.muted { color: var(--muted); font-size: 0.95rem; }

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 11px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.05s ease, opacity 0.15s ease;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-dark); }

.btn-secondary {
  background: var(--ink);
  color: #fff;
  margin-top: 14px;
}
.btn-secondary:hover { opacity: 0.85; }

.btn-small {
  background: var(--line);
  color: var(--ink);
  padding: 6px 14px;
  font-size: 0.85rem;
}
.btn-small:hover { background: #d8cfbc; }
.btn-small:disabled { opacity: 0.4; cursor: not-allowed; }

/* Builder */
.builder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 20px 0;
}
.field-wide { grid-column: 1 / -1; }
.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #FBFAF6;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
textarea { resize: vertical; }

.output-box {
  background: var(--code-bg);
  color: var(--code-ink);
  border-radius: 10px;
  overflow: hidden;
  margin-top: 8px;
}
.output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #C9C2B4;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
#output {
  margin: 0;
  padding: 16px;
  white-space: pre-wrap;
  font-family: "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.6;
}

/* Steps */
.step-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}
.step-tab {
  border: 1px solid var(--line);
  background: #FBFAF6;
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  font-weight: 600;
}
.step-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.step-panel {
  background: #FBFAF6;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 22px;
  min-height: 140px;
}
.step-panel h3 { margin-top: 0; }
.step-panel code {
  background: var(--line);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.88em;
}
.step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 14px;
}

/* Examples */
.examples { display: flex; flex-direction: column; gap: 12px; }
.example {
  background: #FBFAF6;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.example p { margin: 0; font-size: 0.92rem; }
.example button { flex-shrink: 0; }

/* Accordion */
.accordion-item {
  border-bottom: 1px solid var(--line);
}
.accordion-item:last-child { border-bottom: none; }
.accordion-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 16px 4px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink);
}
.accordion-trigger .icon { color: var(--accent); font-size: 1.2rem; }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease;
  font-size: 0.92rem;
  color: var(--muted);
}
.accordion-body-inner { padding: 0 4px 16px; }
.accordion-item.open .accordion-body { max-height: 400px; }

/* Checklist */
.checklist { list-style: none; margin: 16px 0 0; padding: 0; }
.checklist li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}
.checklist li:last-child { border-bottom: none; }
.checklist input { width: auto; }
.checklist label.checked { text-decoration: line-through; color: var(--muted); }

footer {
  text-align: center;
  padding: 24px;
  color: var(--muted);
  font-size: 0.85rem;
}
footer a { color: var(--accent-dark); }

@media (max-width: 600px) {
  .builder-grid { grid-template-columns: 1fr; }
  h1 { font-size: 1.9rem; }
  .example { flex-direction: column; }
}