:root {
  color-scheme: light;
  --bg: #f6f4ff;
  --panel: #ffffff;
  --panel-2: #f4f0ff;
  --border: #ddd6fe;
  --border-2: #c4b5fd;
  --text: #14121a;
  --muted: #5f5b68;
  --brand: #6d28d9;
  --brand-dark: #4c1d95;
  --accent: #8b5cf6;
  --code-bg: #faf8ff;
  --ok: #0f766e;
  --shadow: 0 10px 30px rgba(76,29,149,.08);
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f0b19;
  --panel: #171124;
  --panel-2: #1e1630;
  --border: #2e2347;
  --border-2: #4c1d95;
  --text: #f5f3ff;
  --muted: #c4bdd4;
  --brand: #8b5cf6;
  --brand-dark: #7c3aed;
  --accent: #a78bfa;
  --code-bg: #120d1c;
  --ok: #5eead4;
  --shadow: 0 10px 30px rgba(0,0,0,.3);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 16px/1.55 Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--brand-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
pre, code, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
img { max-width: 100%; display: block; }
.shell { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
:root[data-theme="dark"] .topbar { background: rgba(23,17,36,.92); }
.topbar-inner {
  min-height: 72px; display: grid; grid-template-columns: 260px 1fr auto; gap: 20px; align-items: center;
}
.brand { display: inline-flex; gap: 12px; align-items: center; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px; display: inline-grid; place-items: center;
  background: linear-gradient(180deg, var(--accent), var(--brand)); color: white; font-weight: 800;
}
.brand strong { display:block; font-size:18px; }
.brand small { display:block; color: var(--muted); }
.topnav { display:flex; gap:18px; flex-wrap:wrap; }
.topnav a { color: var(--muted); font-weight: 600; }
.top-actions { display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.button, .ghost-button, .mini-button {
  appearance:none; border-radius: 10px; cursor:pointer; transition:.18s ease;
}
.button {
  border:1px solid var(--brand-dark); background: var(--brand); color:white; padding: 10px 14px; font-weight:700;
}
.button:hover { background: var(--brand-dark); text-decoration:none; }
.ghost-button {
  border:1px solid var(--border-2); background: transparent; color: var(--text); padding: 10px 14px; font-weight:600;
}
.ghost-button:hover { background: var(--panel-2); text-decoration:none; }
.mini-button {
  border:1px solid var(--border-2); background: transparent; color: var(--brand-dark); padding: 6px 10px; font-weight:600;
}
.mini-button:hover { background: var(--panel-2); text-decoration:none; }
.panel, .hero, .card, .subpanel, .legal-card, .cookie-banner {
  background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow);
}
.page { padding: 28px 0 60px; }
.hero { display:grid; grid-template-columns: 1.1fr .9fr; gap: 28px; padding: 28px; margin-bottom: 24px; }
.hero h1 { margin:0 0 10px; font-size: 40px; line-height:1.1; }
.hero p { margin: 0 0 12px; color: var(--muted); }
.hero-actions, .toolbar, .footer-links { display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.hero-stats { display:grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.stat-box { padding:16px; border:1px solid var(--border); border-radius: 14px; background: var(--panel-2); }
.stat-box strong { display:block; font-size: 26px; }
.section { margin-bottom: 24px; }
.section h2, .section h3 { margin: 0 0 12px; }
.section p, .section li { color: var(--muted); }
.grid { display:grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card, .subpanel, .legal-card { padding: 18px; }
.registry-grid { display:grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap:16px; }
.tool-card h3 { margin:0 0 8px; font-size: 18px; }
.tool-meta { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:10px; }
.pill { display:inline-flex; align-items:center; padding:4px 10px; border-radius:999px; border:1px solid var(--border-2); background: var(--panel-2); color: var(--muted); font-size:12px; }
.toolbar { margin: 0 0 12px; }
textarea, input, select, pre {
  width:100%; border:1px solid var(--border-2); border-radius: 12px; background: var(--code-bg); color: var(--text);
}
textarea, input, select { padding: 12px 14px; }
textarea { min-height: 180px; resize: vertical; }
pre { padding: 14px; overflow:auto; white-space: pre-wrap; word-break: break-word; }
.code-tall { min-height: 260px; }
.field-table { width:100%; border-collapse: collapse; }
.field-table th, .field-table td { border-bottom:1px solid var(--border); padding:8px 10px; text-align:left; vertical-align:top; }
.field-table th { color: var(--muted); font-size: 13px; }
.field-type { color: var(--brand-dark); font-weight:600; }
.subpanel-head { display:flex; justify-content:space-between; align-items:center; gap: 12px; margin-bottom: 10px; }
.subpanel-head h3 { margin:0; }
.input-hint { margin:0 0 10px; color: var(--muted); font-size: 13px; }
.numbered-list { padding-left: 22px; }
.footer { padding: 30px 0 50px; border-top:1px solid var(--border); margin-top: 28px; }
.footer p { color: var(--muted); margin: 4px 0; }
.footer strong { color: var(--text); }
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 30;
  padding: 16px; display:flex; justify-content: space-between; gap: 16px; align-items:flex-start;
}
.cookie-banner p { margin: 0; color: var(--muted); }
.hidden { display:none !important; }
.breadcrumbs { margin: 0 0 12px; color: var(--muted); font-size: 14px; }
.notice { padding: 12px 14px; border:1px solid var(--border-2); border-radius: 12px; background: var(--panel-2); color: var(--muted); }
.search-row { display:flex; gap: 12px; flex-wrap:wrap; margin-bottom: 18px; }
.search-row input { max-width: 380px; }
.inline-select { max-width: 260px; }
@media (max-width: 960px) {
  .topbar-inner, .hero, .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }
  .topnav { display:none; }
  .cookie-banner { flex-direction: column; }
}

.mode-toggle { display:flex; gap:10px; margin-bottom:12px; }
.form-grid { display:grid; gap:12px; }
.form-field { display:grid; gap:6px; }
.form-field span { font-weight:600; }
.form-field em { font-style:normal; color: var(--muted); font-weight:500; margin-left:6px; }
.form-field small { color: var(--muted); }
.compact-area { min-height: 110px; }
.builder-layout { display:grid; grid-template-columns: 320px 1fr 1fr; gap:16px; }
.palette-list { display:grid; gap:10px; max-height: 560px; overflow:auto; }
.palette-tool { text-align:left; width:100%; padding:12px; border:1px solid var(--border); border-radius:14px; background: var(--panel-2); cursor:grab; display:grid; gap:4px; }
.palette-tool span { color: var(--muted); font-size:13px; }
.visual-dropzone { min-height: 320px; padding: 12px; border:1px dashed var(--border-2); border-radius:14px; background: var(--panel-2); display:grid; gap:10px; align-content:start; }
.step-card { display:flex; justify-content:space-between; align-items:center; gap:12px; padding:12px; border:1px solid var(--border); background:var(--panel); border-radius:14px; cursor:grab; }
.step-card.is-selected { border-color: var(--brand); box-shadow: inset 0 0 0 1px var(--brand); }
.step-subtext { color: var(--muted); font-size:13px; }
@media (max-width: 1100px) { .builder-layout { grid-template-columns: 1fr; } }


.topnav a[href="/terms/"], .topnav a[href="/privacy/"] { display:none !important; }

.hero {
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-intro {
  margin-bottom: 18px;
}
.page-intro p {
  margin: 0 0 10px;
  color: var(--muted);
}
.layout-main {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 18px;
  align-items: start;
}
.sticky-panel {
  position: sticky;
  top: 92px;
}
.section-stack {
  display: grid;
  gap: 18px;
}
.panel-title {
  margin: 0 0 8px;
}
.panel-subtitle {
  margin: 0 0 12px;
  color: var(--muted);
}
.form-section-title {
  margin: 0 0 10px;
  font-size: 15px;
}
.builder-layout {
  grid-template-columns: 300px 1fr;
}
.builder-config {
  grid-column: 1 / -1;
}
.visual-dropzone {
  min-height: 220px;
}
.empty-state {
  padding: 18px;
  border: 1px dashed var(--border-2);
  border-radius: 14px;
  color: var(--muted);
  background: var(--panel-2);
}
.cookie-banner {
  max-width: 920px;
}
.cookie-status {
  font-size: 13px;
  color: var(--muted);
  margin-top: 6px;
}
.help-list {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}
@media (max-width: 1100px) {
  .layout-main, .builder-layout {
    grid-template-columns: 1fr;
  }
  .sticky-panel {
    position: static;
  }
}

:root {
  --radius-tight: 3px;
  --radius-panel: 4px;
}
.button, .ghost-button, .mini-button,
textarea, input, select, pre,
.panel, .hero, .card, .subpanel, .legal-card, .cookie-banner,
.palette-tool, .step-card, .visual-dropzone, .notice, .pill,
.brand-mark, .stat-box, .field-table th, .field-table td {
  border-radius: var(--radius-tight) !important;
}
.panel, .hero, .card, .subpanel, .legal-card, .cookie-banner,
.visual-dropzone, .step-card, .stat-box {
  border-radius: var(--radius-panel) !important;
}
.cookie-banner {
  pointer-events: auto;
}

.chain-step-title{
  font-weight:600;
  margin-bottom:4px;
}
.chain-substeps{
  margin-top:4px;
  padding-left:18px;
}
.chain-substep{
  font-size:14px;
  color:var(--muted);
  margin:2px 0;
}

#cookieBanner {
  z-index: 9999 !important;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  pointer-events: auto !important;
}
#cookieBanner[hidden] {
  display: none !important;
}
#cookieBanner .toolbar,
#cookieBanner button {
  pointer-events: auto !important;
}

.brand { gap: 0; }
.brand-mark { display: none !important; }
.brand strong { font-size: 22px; letter-spacing: .01em; }
.stacksona-link {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-weight: 700;
  border-color: var(--brand-dark) !important;
}
.theme-icon-button {
  width: 40px;
  height: 40px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  font-size: 18px;
  line-height: 1;
}
.theme-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  position: relative;
}
.theme-icon::before { content: "☾"; }
:root[data-theme="dark"] .theme-icon::before { content: "☀"; }

.stacksona-link {
  background: var(--brand) !important;
  color: #fff !important;
  border-color: var(--brand-dark) !important;
  font-weight: 800 !important;
}
.stacksona-link:hover {
  background: var(--brand-dark) !important;
  text-decoration: none !important;
}
.theme-icon-button .theme-icon::before {
  font-size: 18px;
}