/* ==========================================================================
   Local Site Builder — app stylesheet
   SiteForge family: warm neutral surface, serif headings, restrained accent.
   System fonts only. No network dependencies.
   ========================================================================== */

:root {
  color-scheme: light;
  --bg: #faf8f4;
  --surface: #ffffff;
  --text: rgba(20, 18, 14, 0.9);
  --text-strong: #14120e;
  --muted: rgba(20, 18, 14, 0.64);
  --faint: rgba(20, 18, 14, 0.6);
  --rule: rgba(20, 18, 14, 0.12);
  --rule-strong: rgba(20, 18, 14, 0.22);
  --fill: rgba(20, 18, 14, 0.04);
  --fill-strong: rgba(20, 18, 14, 0.07);
  --accent: #1f5f4a;
  --accent-strong: #174a39;
  --accent-soft: rgba(31, 95, 74, 0.09);
  --accent-contrast: #ffffff;
  --notice: #7a5212;
  --notice-soft: rgba(176, 124, 28, 0.1);
  --danger: #a13c3c;
  --shadow: 0 1px 2px rgba(20, 18, 14, .04), 0 10px 28px -16px rgba(20, 18, 14, .18);
  --radius-sm: 4px;
  --radius: 8px;
  --serif: Georgia, 'Iowan Old Style', 'Times New Roman', 'Noto Serif', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  --maxw: 1040px;
  --gutter: 24px;
}

/* Light is the default for every visitor, whatever the operating system or browser theme.
   The dark palette applies only when explicitly opted into with <html data-theme="dark">. */
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #131210;
  --surface: #1c1b18;
  --text: rgba(250, 248, 244, 0.9);
  --text-strong: #faf8f4;
  --muted: rgba(250, 248, 244, 0.66);
  --faint: rgba(250, 248, 244, 0.54);
  --rule: rgba(250, 248, 244, 0.13);
  --rule-strong: rgba(250, 248, 244, 0.24);
  --fill: rgba(250, 248, 244, 0.05);
  --fill-strong: rgba(250, 248, 244, 0.09);
  --accent: #6cc3a3;
  --accent-strong: #8fd6bb;
  --accent-soft: rgba(108, 195, 163, 0.12);
  --accent-contrast: #0e1a15;
  --notice: #e2b765;
  --notice-soft: rgba(226, 183, 101, 0.12);
  --danger: #e08a8a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 28px -16px rgba(0, 0, 0, .6);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100vh;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; color: var(--text-strong); line-height: 1.22; margin: 0; }
p { margin: 0; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-strong); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
button { font: inherit; color: inherit; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}
.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 60;
  background: var(--text-strong); color: var(--bg); padding: 8px 14px; border-radius: var(--radius-sm);
  text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: 12px; color: var(--bg); }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.topbar__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 12px var(--gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--text-strong); min-width: 0; }
.brand:hover { color: var(--text-strong); }
.brand__mark {
  flex: none; width: 32px; height: 32px; border-radius: var(--radius-sm);
  background: var(--accent); color: var(--accent-contrast);
  display: flex; align-items: center; justify-content: center;
  font: 700 12px/1 var(--sans); letter-spacing: .04em;
}
.brand__text { display: flex; flex-direction: column; min-width: 0; }
.brand__name { font: 600 17px/1.15 var(--serif); }
.brand__descriptor { font-size: 12px; color: var(--muted); letter-spacing: .01em; }
.topnav { display: flex; gap: 2px; flex-wrap: wrap; justify-content: flex-end; }
.topnav a {
  padding: 7px 12px; border-radius: var(--radius-sm); font-size: 14px; color: var(--muted); text-decoration: none;
  white-space: nowrap;
}
.topnav a:hover { background: var(--fill); color: var(--text); }
.topnav a[aria-current="page"] { color: var(--text-strong); background: var(--fill-strong); font-weight: 600; }

/* ---------- Layout ---------- */
.app-main { max-width: var(--maxw); margin: 0 auto; padding: 32px var(--gutter) 72px; }
.app-main:focus { outline: none; }
.app-footer {
  max-width: var(--maxw); margin: 0 auto; padding: 24px var(--gutter) 40px;
  border-top: 1px solid var(--rule); color: var(--faint); font-size: 13px;
}

.screen__eyebrow { font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 600; margin-bottom: 8px; }
.screen__title { font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.35rem); margin-bottom: 10px; }
.screen__lede { font-size: 1.05rem; color: var(--muted); max-width: 62ch; }
.screen__head { margin-bottom: 28px; }
.section-title { font-size: 1.25rem; margin: 40px 0 14px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; margin-bottom: 18px; text-decoration: none; }
.back-link::before { content: "\2190"; }
.hint { color: var(--muted); font-size: 0.9rem; }
.label { display: block; font-weight: 600; font-size: 0.95rem; color: var(--text-strong); margin-bottom: 6px; }
.label__optional { font-weight: 400; color: var(--faint); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow);
}
.card__title { font-size: 1.2rem; margin-bottom: 6px; }
.card__text { color: var(--muted); margin-bottom: 18px; }

/* ---------- Inputs and buttons ---------- */
.input {
  width: 100%; font: inherit; color: var(--text-strong); background: var(--surface);
  border: 1px solid var(--rule-strong); border-radius: var(--radius-sm); padding: 11px 13px;
  transition: border-color .15s, box-shadow .15s;
}
.input::placeholder { color: var(--faint); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea.input { resize: vertical; line-height: 1.5; }
select.input { padding-right: 32px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 15px/1.2 var(--sans); padding: 12px 18px; min-height: 44px;
  border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer;
  text-decoration: none; text-align: center; transition: background .15s, border-color .15s, color .15s;
}
.btn--primary { background: var(--accent); color: var(--accent-contrast); }
.btn--primary:hover { background: var(--accent-strong); color: var(--accent-contrast); }
.btn--secondary { background: var(--surface); color: var(--text-strong); border-color: var(--rule-strong); }
.btn--secondary:hover { border-color: var(--text-strong); color: var(--text-strong); }
.btn--ghost { background: transparent; color: var(--muted); padding-left: 10px; padding-right: 10px; }
.btn--ghost:hover { color: var(--text-strong); background: var(--fill); }
.btn--large { padding: 15px 22px; font-size: 16px; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

/* ---------- Home ---------- */
.hero { padding: 12px 0 8px; margin-bottom: 30px; }
.hero__title { font-size: clamp(2rem, 1.3rem + 2.6vw, 3rem); letter-spacing: -.01em; margin-bottom: 14px; }
.hero__lines { font-size: 1.12rem; color: var(--muted); max-width: 46ch; }
.hero__lines span { display: block; }

.entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.entry { display: flex; flex-direction: column; }
.entry__step { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.entry .card__text { flex: 0 0 auto; }
.entry__body { margin-top: auto; }
.match-form__row { display: flex; gap: 10px; }
.match-form__row .input { flex: 1; min-width: 0; }
.note { font-size: 13px; color: var(--faint); margin-top: 10px; }

.browse-strip { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin: 44px 0 14px; }
.browse-strip .section-title { margin: 0; }

.category-grid, .niche-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.category-grid { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.niche-grid { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.tile {
  display: flex; flex-direction: column; gap: 2px; height: 100%;
  padding: 14px 16px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-sm);
  color: var(--text-strong); text-decoration: none; transition: border-color .15s, background .15s;
}
.tile:hover { border-color: var(--accent); color: var(--text-strong); background: var(--surface); }
.tile__name { font-weight: 600; line-height: 1.35; }
.tile__meta { font-size: 13px; color: var(--muted); }

/* ---------- Match results ---------- */
.query-echo { display: inline-block; margin-top: 4px; padding: 6px 12px; border-radius: 999px; background: var(--fill-strong); color: var(--text); font-size: .95rem; }
.result { display: flex; gap: 18px; align-items: flex-start; justify-content: space-between; }
.result__label { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }
.result__name { font-size: 1.45rem; margin-bottom: 4px; }
.result__category { font-size: 14px; color: var(--muted); margin-bottom: 10px; }
.result__snapshot { color: var(--text); max-width: 64ch; }
.result--best { border-color: color-mix(in srgb, var(--accent) 40%, var(--rule)); }
.related-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.related-item { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius-sm); }
.related-item__name { font-weight: 600; color: var(--text-strong); }
.related-item__cat { display: block; font-size: 13px; color: var(--muted); }
.empty-state { text-align: left; }
.empty-state .card__title { margin-bottom: 8px; }

/* ---------- Browse ---------- */
.filter { max-width: 520px; margin-bottom: 26px; }
.category-block { margin-bottom: 30px; }
.category-block__title { font-size: 1.1rem; margin-bottom: 10px; display: flex; align-items: baseline; gap: 10px; }
.category-block__count { font: 400 13px var(--sans); color: var(--faint); }
.status-line { color: var(--muted); font-size: 14px; margin-bottom: 16px; min-height: 1.4em; }

/* ---------- Analyzer ---------- */
.stepper { list-style: none; margin: 0 0 26px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; counter-reset: step; }
.stepper li {
  counter-increment: step; display: flex; align-items: center; gap: 8px;
  padding: 6px 12px 6px 6px; border-radius: 999px; background: var(--fill); color: var(--muted); font-size: 13.5px;
}
.stepper li::before {
  content: counter(step); width: 22px; height: 22px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface); border: 1px solid var(--rule-strong); font-weight: 700; font-size: 12px;
}
.stepper li.is-done { color: var(--text); }
.stepper li.is-done::before { content: "\2713"; background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.stepper li.is-current { background: var(--accent-soft); color: var(--text-strong); font-weight: 600; }
.stepper li.is-current::before { background: var(--accent); border-color: var(--accent); color: var(--accent-contrast); }

.analyzer-step { margin-bottom: 22px; }
.analyzer-step__head { display: flex; align-items: baseline; gap: 10px; margin-bottom: 4px; }
.analyzer-step__num { font: 700 12px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--accent); white-space: nowrap; }
.privacy-note {
  display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted);
  background: var(--fill); border-radius: var(--radius-sm); padding: 12px 14px; margin: 14px 0 16px;
}
.privacy-note strong { color: var(--text-strong); }
.paste-box { min-height: 240px; font-size: 15px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field--full { grid-column: 1 / -1; }
.field { min-width: 0; }
.field__hint { font-size: 13px; color: var(--faint); margin-top: 5px; }
.found-list { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; font-size: 15px; }
.found-list dt { color: var(--muted); }
.found-list dd { margin: 0; color: var(--text-strong); overflow-wrap: anywhere; }
.subhead { font: 600 13px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 22px 0 10px; }
.notice {
  border-left: 3px solid var(--notice); background: var(--notice-soft); color: var(--text);
  padding: 12px 14px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 14.5px; margin: 16px 0;
}
.notice strong { color: var(--text-strong); }
.error-text { color: var(--danger); font-size: 14px; margin-top: 8px; }

.choice-list { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 8px; }
.choice {
  display: flex; align-items: flex-start; gap: 12px; padding: 13px 14px; cursor: pointer;
  border: 1px solid var(--rule); border-radius: var(--radius-sm); background: var(--surface);
}
.choice:hover { border-color: var(--rule-strong); }
.choice input { margin: 4px 0 0; accent-color: var(--accent); width: 18px; height: 18px; flex: none; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.choice__name { font-weight: 600; color: var(--text-strong); display: block; }
.choice__meta { font-size: 13px; color: var(--muted); }
.choice__tag { display: inline-block; font: 700 11px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-left: 8px; }

/* ---------- Workspace ---------- */
.workspace-head { margin-bottom: 24px; }
.supplied {
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--rule)); background: var(--accent-soft);
  border-radius: var(--radius); padding: 18px 20px; margin-bottom: 26px;
}
.supplied__title { font-size: 1.05rem; margin-bottom: 4px; }
.supplied__note { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.divider-label { font: 700 12px var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--radius); padding: 20px 22px; }
.panel--wide { grid-column: 1 / -1; }
.panel__title { font-size: 1.08rem; margin-bottom: 10px; }
.panel__subtitle { font: 600 12.5px var(--sans); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 14px 0 6px; }
.panel__subtitle:first-of-type { margin-top: 0; }
.panel__list { margin: 0; padding-left: 1.15em; }
.panel__list li { margin: 3px 0; }
.panel__list li::marker { color: var(--faint); }

.context-card { margin-top: 28px; }
.context-card .field-grid { margin: 16px 0 20px; }
.context-note { font-size: 14px; color: var(--muted); }

/* ---------- Plan ---------- */
.plan-niche { color: var(--muted); font-size: 1.02rem; }
.plan-niche strong { color: var(--text-strong); }
.plan-grid { display: grid; gap: 16px; margin-top: 24px; }
.next-step {
  background: var(--accent-soft); border-radius: var(--radius-sm); padding: 12px 16px;
  font-size: 15px; color: var(--text); max-width: 78ch;
}
.next-step strong { color: var(--text-strong); }
.link-button {
  background: none; border: 0; padding: 0; font: inherit; color: var(--accent); cursor: pointer;
  text-decoration: underline; text-underline-offset: 2px;
}
.link-button:hover { color: var(--accent-strong); }
.summary { display: grid; grid-template-columns: max-content 1fr; gap: 6px 20px; margin: 0; }
.summary dt { color: var(--muted); }
.summary dd { margin: 0; color: var(--text-strong); overflow-wrap: anywhere; }
.instruction-card { border-color: color-mix(in srgb, var(--accent) 40%, var(--rule)); }
.instruction {
  white-space: pre-wrap; overflow-wrap: anywhere; font: 14.5px/1.7 var(--mono); color: var(--text-strong);
  background: var(--fill); border: 1px solid var(--rule); border-radius: var(--radius-sm);
  padding: 16px 18px; margin: 0 0 16px; max-height: 460px; overflow: auto;
}
.copy-status { font-size: 14px; color: var(--muted); min-height: 1.4em; }
.use-note { font-size: 14px; color: var(--muted); margin-top: 14px; }
.plan-actions { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--rule); }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .entry-grid, .panels, .field-grid { grid-template-columns: 1fr; }
  .result { flex-direction: column; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .app-main { padding-top: 22px; }
  .topbar__inner { flex-direction: column; align-items: flex-start; gap: 8px; padding-top: 10px; padding-bottom: 8px; }
  .topnav { justify-content: flex-start; margin-left: -8px; }
  .topnav a { padding: 6px 8px; font-size: 13.5px; }
  .card { padding: 18px; }
  .panel { padding: 16px 18px; }
  .match-form__row { flex-direction: column; }
  .match-form__row .btn { width: 100%; }
  .related-item { flex-direction: column; align-items: stretch; }
  .related-item .btn { width: 100%; }
  .summary, .found-list { grid-template-columns: 1fr; gap: 2px; }
  .summary dd, .found-list dd { margin-bottom: 8px; }
  .actions .btn { flex: 1 1 100%; }
  .category-grid, .niche-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
