/* Brand palette comes from assets/ifuri-tokens.css (--ifuri-*).
   Source of truth: github.com/if-uri/logo (COLORS.md). */
:root {
  --bg: var(--ifuri-neutral-50);            /* #F8FAFC */
  --panel: var(--ifuri-white);
  --ink: var(--ifuri-text-ink);             /* deep indigo #1E1B4B */
  --muted: var(--ifuri-text-muted);         /* slate #64748B */
  --line: var(--ifuri-neutral-200);         /* #E2E8F0 */
  --accent: var(--ifuri-brand-primary);     /* indigo #4F46E5 */
  --accent-dark: var(--ifuri-primary-700);  /* #4338CA */
  --brand-accent: var(--ifuri-brand-accent);/* emerald #10B981 */
  --planned: #92400E;
  --shadow: 0 10px 30px rgba(30, 27, 75, 0.10);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--accent-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 0 18px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 4;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
}

.site-header .wrap {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand,
nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  color: var(--ink);
  font-weight: 760;
}

.mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: inline-block;
  vertical-align: middle;
}

nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 14px;
}

.hero {
  padding: 56px 0 28px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ifuri-accent-700);
  font-weight: 740;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 12px;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 4px;
  font-size: 22px;
}

.lead {
  max-width: 720px;
  color: var(--muted);
  font-size: 19px;
}

.detail-hero {
  padding: 42px 0 18px;
}

.detail-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.detail-title h1 {
  margin-bottom: 10px;
}

.hero-actions,
.panel-head,
.connector-foot,
.links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

button,
.button {
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

button:disabled {
  opacity: .5;
  cursor: not-allowed;
}

.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.panel,
.connector {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel {
  margin: 16px 0;
  padding: 18px;
}

.panel-head {
  justify-content: space-between;
  align-items: flex-start;
}

.panel p,
.connector p {
  color: var(--muted);
}

.category {
  margin-bottom: 6px;
  color: var(--ifuri-accent-700) !important;
  font-size: 13px;
  font-weight: 740;
}

.command-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  margin-top: 14px;
}

code {
  display: inline-block;
  padding: 4px 6px;
  border: 1px solid var(--ifuri-neutral-200);
  border-radius: 5px;
  background: var(--ifuri-neutral-50);
  color: var(--ifuri-neutral-700);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  overflow-wrap: anywhere;
}

.command-box code {
  display: block;
  padding: 11px 12px;
  min-height: 42px;
}

.connector-filter {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
}

#connectorSearch {
  flex: 1;
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font: inherit;
}

#connectorSearch:focus {
  outline: 2px solid var(--accent);
  border-color: transparent;
}

.muted-count {
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
}

.connectors {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 16px 0;
}

.connector {
  padding: 16px;
}

.connector.hidden {
  display: none;
}

.no-results {
  grid-column: 1 / -1;
  margin: 8px 0;
  color: var(--muted);
}

.connector-top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.connector-top strong {
  display: block;
  font-size: 18px;
}

.connector input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
}

.status {
  display: inline-flex;
  min-height: 22px;
  align-items: center;
  padding: 0 7px;
  border-radius: 999px;
  background: var(--ifuri-accent-100);
  color: var(--ifuri-accent-700);
  font-size: 12px;
  font-style: normal;
  font-weight: 740;
}

.status.planned {
  background: #FEF3C7;
  color: var(--planned);
}

.routes {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.schemes {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 8px 0 12px;
}

.schemes span {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 8px;
  border-radius: 6px;
  background: var(--ifuri-primary-50);
  color: var(--ifuri-primary-700);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  font-weight: 740;
}

.schemes.large span {
  min-height: 34px;
  padding: 0 11px;
  font-size: 14px;
}

.tabs {
  display: grid;
  gap: 18px;
}

.tab-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.tab {
  background: var(--ifuri-neutral-50);
}

.tab.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

.tab-panel[hidden] {
  display: none;
}

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr);
  gap: 24px;
}

.clean-list {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.clean-list li + li {
  margin-top: 8px;
}

.clean-list.compact {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  padding: 0;
  list-style: none;
}

.clean-list.compact li + li {
  margin-top: 0;
}

.route-list,
.examples {
  display: grid;
  gap: 10px;
}

.copy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  width: 100%;
  height: auto;
  padding: 10px;
  text-align: left;
}

.copy-row code {
  border: 0;
  background: transparent;
  padding: 0;
}

.copy-row span {
  color: var(--accent-dark);
  font-weight: 740;
}

.example {
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ifuri-neutral-50);
}

.example h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

pre {
  overflow: auto;
  margin: 12px 0 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ifuri-neutral-900, #111827);
  color: #E5E7EB;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.notice {
  margin: 12px 0 0;
  color: var(--planned);
  font-weight: 650;
}

.links.inline {
  align-items: center;
  flex-direction: row;
  margin-top: 12px;
}

.submit-layout {
  display: grid;
  grid-template-columns: minmax(280px, .9fr) minmax(320px, 1.1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: 24px;
}

.builder-form,
.builder-output {
  margin-top: 0;
}

.builder-form label {
  display: grid;
  gap: 6px;
  margin-top: 12px;
  color: var(--ink);
  font-weight: 680;
}

.builder-form input,
.builder-form select,
.builder-form textarea,
.code-output {
  width: 100%;
  min-height: 38px;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: white;
  color: var(--ink);
  font: inherit;
}

.builder-form textarea,
.code-output {
  resize: vertical;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.code-output {
  min-height: 620px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.45;
}

.validation-result {
  min-height: 38px;
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--ifuri-neutral-50);
  color: var(--muted);
}

.validation-result:empty {
  display: none;
}

.validation-result.ok {
  border-color: var(--brand-accent);
  background: var(--ifuri-accent-50);
  color: var(--ifuri-accent-700);
}

.validation-result.error {
  border-color: #F59E0B;
  background: #FFFBEB;
  color: var(--planned);
}

.validation-result strong,
.validation-result span {
  display: block;
}

.validation-result ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, .8fr);
  gap: 14px;
}

.links {
  align-items: stretch;
  flex-direction: column;
}

.links a {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--ifuri-neutral-50);
}

.links a strong,
.links a span {
  display: block;
}

.links a span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  padding-bottom: 36px;
  color: var(--muted);
}

.footer-eco {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.error-page {
  padding-top: 64px;
}

@media (max-width: 760px) {
  .site-header .wrap,
  .footer,
  .split,
  .detail-title,
  .detail-grid,
  .submit-layout {
    display: block;
  }

  nav {
    justify-content: flex-start;
    margin-top: 10px;
  }

  .hero {
    padding-top: 34px;
  }

  .connectors,
  .command-box,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .code-output {
    min-height: 380px;
  }

  .detail-hero {
    padding-top: 30px;
  }

  .copy-row {
    grid-template-columns: 1fr;
  }
}


/* ---- Dark theme: automatic via OS, forced with <html data-theme>. ---- */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
  --bg: #0F172A;
  --panel: #1E293B;
  --ink: #F1F5F9;
  --muted: #94A3B8;
  --line: #334155;
  --accent-dark: #A5B4FC;
  --brand-accent: #34D399;
  --planned: #FCD34D;
  /* remap the ifuri light-surface tokens so pills/code/tabs flip via cascade */
  --ifuri-neutral-50: #1E293B;
  --ifuri-neutral-200: #334155;
  --ifuri-neutral-700: #CBD5E1;
  --ifuri-primary-50: #312E81;
  --ifuri-primary-700: #C7D2FE;
  --ifuri-accent-100: #064E3B;
  --ifuri-accent-700: #6EE7B7;
  }
  :root:not([data-theme="light"]) .site-header {
  background: rgba(15, 23, 42, 0.92);
  }
  :root:not([data-theme="light"]) .status.planned { background: #3F2D0B; }
}
:root[data-theme="dark"] {
  --bg: #0F172A;
  --panel: #1E293B;
  --ink: #F1F5F9;
  --muted: #94A3B8;
  --line: #334155;
  --accent-dark: #A5B4FC;
  --brand-accent: #34D399;
  --planned: #FCD34D;
  /* remap the ifuri light-surface tokens so pills/code/tabs flip via cascade */
  --ifuri-neutral-50: #1E293B;
  --ifuri-neutral-200: #334155;
  --ifuri-neutral-700: #CBD5E1;
  --ifuri-primary-50: #312E81;
  --ifuri-primary-700: #C7D2FE;
  --ifuri-accent-100: #064E3B;
  --ifuri-accent-700: #6EE7B7;
}
:root[data-theme="dark"] .site-header {
  background: rgba(15, 23, 42, 0.92);
}
:root[data-theme="dark"] .status.planned { background: #3F2D0B; }

.theme-toggle {
  min-height: 32px;
  width: 36px;
  padding: 0;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1;
}