/* ThreadScout — styles.css
 * :root mirrors projects/threadscout/DESIGN.md frontmatter tokens 1:1.
 * Deep-ink analyst console, single teal/cyan "signal" accent (used sparingly).
 * All numbers use --font-mono + tabular-nums (measured-data trust signal).
 */
:root {
  /* colors */
  --bg: #0a0e14;
  --surface: #11161f;
  --surface-2: #171d28;
  --ink: #e8edf4;
  --muted: #97a3b4;
  --faint: #5e6b7d;
  --line: #222b38;
  --accent: #2fd4b6;
  --accent-deep: #16a892;
  --accent-soft: rgba(47, 212, 182, .13);
  --accent-ink: #04140f;
  --ok: #2fd4b6;
  --warn: #d9a441;
  --danger: #e0656a;

  /* decor — radar glow / sweep */
  --grad-bg-glow: radial-gradient(900px 520px at 88% -8%, #0f2a2a 0%, transparent 58%);
  --grad-radar: conic-gradient(from 0deg, transparent 0deg, rgba(47, 212, 182, .10) 28deg, transparent 56deg);
  --grad-gauge: linear-gradient(90deg, var(--accent-deep), var(--accent));
  --glow-pulse: 0 0 0 0 rgba(47, 212, 182, .45);

  /* elevation */
  --shadow-card: 0 1px 0 rgba(255, 255, 255, .02), 0 8px 24px -16px rgba(0, 0, 0, .7);
  --shadow-focus: 0 0 0 3px var(--accent-soft);
  --shadow-modal: 0 24px 60px -20px rgba(0, 0, 0, .8);

  /* typography */
  --font-display: "Space Grotesk", Inter, system-ui, sans-serif;
  --font-body: Inter, system-ui, -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --fs-display: 1.5rem;
  --fw-display: 600;
  --lh-display: 1.2;
  --fs-h2: 1.05rem;
  --fw-h2: 600;
  --fs-body: 0.94rem;
  --lh-body: 1.65;
  --fs-meta: 0.78rem;
  --lh-meta: 1.5;
  --fs-score: 1.6rem;
  --fw-score: 600;

  /* radius / motion / dimensions */
  --r-base: 12px;
  --r-sm: 8px;
  --r-pill: 999px;
  --t-base: 200ms;
  --t-slow: 420ms;
  --ease: cubic-bezier(.22, .7, .24, 1);
  --maxw: 920px;
  --gauge-h: 6px;

  /* i18n switcher theme bridge — real var names only */
  --i18n-switch-bg: rgba(255, 255, 255, .05);
  --i18n-switch-border: var(--line);
  --i18n-switch-fg: rgba(232, 237, 244, .92);
  --i18n-switch-active-bg: rgba(47, 212, 182, .18);
  --i18n-switch-active-fg: var(--accent);
  --i18n-switch-menu-bg: var(--surface);
  --i18n-switch-menu-border: var(--line);
  --i18n-switch-shadow: 0 12px 32px rgba(0, 0, 0, .55);
}
/* ===== 3-way theme (Light/Dark/System) — base :root above = native DARK. Opposite (light) WCAG-aware auto-generated (contrast-solving ink/accent vs worst-case surface). ===== */
:root[data-theme="light"]{
  --bg: #f4f5f6;
  --surface: #f5f5f7;
  --surface-2: #f6f7f8;
  --ink: #395377;
  --muted: #5f6f84;
  --faint: #7d8a9d;
  --line: rgba(0,0,0,0.10);
  --accent: #197968;
  --accent-deep: #107a6a;
  --accent-soft: #197968;
  --accent-ink: #ffffff;
  --ok: #197968;
  --warn: #8c651c;
  --danger: #ce2930;
  --i18n-switch-bg: #6c6c6c;
  --i18n-switch-fg: #4b6d9d;
  --i18n-switch-active-bg: #197968;
}







* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  background-image: var(--grad-bg-glow);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.section-label {
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--faint);
}

/* ---------- header ---------- */
.site {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: .8rem;
  flex-wrap: wrap;
  padding: .7rem max(1rem, env(safe-area-inset-left)) .7rem max(1rem, env(safe-area-inset-right));
  background: rgba(10, 14, 20, .82);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .5rem; }
.brand-mark {
  width: 22px; height: 22px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, var(--accent) 0 2px, transparent 3px),
    var(--grad-radar);
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 1px rgba(47, 212, 182, .2);
  flex: none;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: -.01em;
}
.tabs {
  display: flex;
  gap: .2rem;
  margin-left: .2rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 3px;
}
.tab {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: var(--fs-meta);
  padding: .42rem .8rem;
  min-height: 36px;
  border-radius: var(--r-pill);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--t-base) var(--ease), background var(--t-base) var(--ease);
}
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { background: var(--accent-soft); color: var(--accent); }
.tab:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.header-spacer { flex: 1 1 auto; }
.badge-sample {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  color: var(--warn);
  border: 1px dashed rgba(217, 164, 65, .4);
  border-radius: var(--r-pill);
  padding: .25rem .6rem;
  cursor: help;
}
.badge-sample::before { content: "●"; color: var(--warn); font-size: .6em; }

/* ---------- layout ---------- */
main.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.4rem max(1rem, env(safe-area-inset-left)) 5rem;
}
.view { display: none; animation: fade var(--t-slow) var(--ease); }
.view.active { display: block; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.view-head { margin-bottom: 1.2rem; }
.view-title {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  font-weight: var(--fw-display);
  line-height: var(--lh-display);
  margin: 0 0 .35rem;
  letter-spacing: -.01em;
}
.view-lead { color: var(--muted); margin: 0; max-width: 60ch; }

/* ---------- hero (setup top) ---------- */
.hero {
  border: 1px solid var(--line);
  border-radius: var(--r-base);
  background: var(--surface);
  background-image: var(--grad-radar);
  background-size: 200% 200%;
  background-position: 120% -40%;
  padding: 1.4rem;
  margin-bottom: 1.4rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1.18;
  margin: 0 0 .5rem;
  max-width: 22ch;
}
.hero .sub { color: var(--ink); margin: 0 0 .8rem; opacity: .92; }
.hero .hook {
  color: var(--muted);
  font-size: var(--fs-meta);
  border-top: 1px solid var(--line);
  padding-top: .8rem;
  margin: 0;
}

/* ---------- card ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-base);
  box-shadow: var(--shadow-card);
  padding: 1.1rem;
  transition: border-color var(--t-base) var(--ease);
}
.card + .card { margin-top: 1rem; }
.card.selectable { cursor: pointer; }
.card.selectable:hover { border-color: rgba(47, 212, 182, .5); }
.card.is-selected { border-left: 2px solid var(--accent); }
.card.glow { animation: glowpulse 1.4s var(--ease) 1; }
@keyframes glowpulse {
  0% { box-shadow: var(--glow-pulse), var(--shadow-card); }
  100% { box-shadow: 0 0 0 8px transparent, var(--shadow-card); }
}

/* ---------- compliance card ---------- */
.compliance-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--warn);
  border-radius: var(--r-sm);
  padding: .9rem 1rem;
  margin-bottom: 1.4rem;
}
.compliance-card h3 {
  margin: 0 0 .5rem;
  font-size: var(--fs-body);
  display: flex;
  align-items: center;
  gap: .4rem;
}
.compliance-card h3::before { content: "🛡"; filter: grayscale(.2); }
.compliance-card ul { margin: 0; padding-left: 1.1rem; color: var(--ink); }
.compliance-card li { margin: .2rem 0; }
.compliance-card .note { margin: .6rem 0 0; color: var(--faint); font-size: var(--fs-meta); }

/* ---------- forms ---------- */
.field { margin-bottom: 1.2rem; }
.field > label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: .4rem;
}
.field .hint { color: var(--faint); font-size: var(--fs-meta); margin: 0 0 .5rem; }
textarea, input[type="text"], select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  padding: .65rem .75rem;
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}
textarea { min-height: 110px; resize: vertical; line-height: 1.55; }
textarea:focus, input[type="text"]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: var(--shadow-focus);
}
::placeholder { color: var(--faint); }

.chip-input {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: .45rem .5rem;
}
.chip-input input { border: none; background: transparent; flex: 1 1 8ch; min-width: 8ch; padding: .2rem; }
.chip-input input:focus { box-shadow: none; }

/* ---------- chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-mono);
  font-size: var(--fs-meta);
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: .25rem .6rem;
}
.chip.removable button {
  appearance: none; border: none; background: none; color: var(--faint);
  cursor: pointer; font-size: 1em; line-height: 1; padding: 0; margin-left: .1rem;
}
.chip.removable button:hover { color: var(--danger); }
.chip.matched { color: var(--accent); background: var(--accent-soft); border-color: rgba(47, 212, 182, .3); }
.chip.intent { text-transform: none; }
.chip.intent::before { content: "📌"; font-size: .85em; filter: grayscale(.4); }
.chip.intent.warn { color: var(--warn); border-color: rgba(217, 164, 65, .35); }

/* ---------- buttons ---------- */
.btn {
  appearance: none;
  font: inherit;
  font-weight: 600;
  border-radius: var(--r-sm);
  padding: .6rem 1rem;
  min-height: 44px;
  cursor: pointer;
  transition: background var(--t-base) var(--ease), border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-focus); }
.btn-primary { background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); }
.btn-primary:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn-primary:disabled, .btn-primary.locked {
  background: var(--surface-2); color: var(--faint); border-color: var(--line);
  cursor: not-allowed;
}
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.btn-ghost:hover { color: var(--ink); border-color: var(--faint); }
.btn-ghost.active { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
.btn-link {
  appearance: none; border: none; background: none; color: var(--accent);
  font: inherit; cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px;
}
.btn-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin-top: .4rem; }

/* ---------- ad slot ---------- */
.ad-slot { display: none; margin: 1.2rem 0; text-align: center; }
.ad-slot.is-preview, .ad-slot.is-live { display: block; }
.ad-slot .ad-label {
  display: block; font-family: var(--font-mono); font-size: .65rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin-bottom: .3rem;
}
.ad-slot .ad-ph {
  border: 1px dashed var(--line); border-radius: var(--r-sm);
  padding: 1.4rem; color: var(--faint); font-size: var(--fs-meta);
}
.ad-slot.is-live .ad-ph { display: none; }

/* ---------- filter bar ---------- */
.filter-bar {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-base);
  padding: .9rem;
  margin-bottom: 1.2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: .7rem;
  align-items: end;
}
.filter-bar .f label {
  display: block; font-family: var(--font-mono); font-size: .68rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--faint); margin-bottom: .3rem;
}
.filter-bar input[type="range"] { width: 100%; accent-color: var(--accent); }
.filter-bar .range-val { font-family: var(--font-mono); color: var(--accent); }
.filter-bar .f-actions { display: flex; align-items: end; }

.feed-count { font-family: var(--font-mono); color: var(--muted); font-size: var(--fs-meta); margin: 0 0 .8rem; }

/* ---------- feed card ---------- */
.thread-card { display: grid; grid-template-columns: 1fr auto; gap: 1rem; }
.thread-main { min-width: 0; }
.thread-title { font-family: var(--font-display); font-size: var(--fs-h2); font-weight: var(--fw-h2); margin: 0 0 .35rem; line-height: 1.35; }
.thread-meta {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: var(--fs-meta); color: var(--muted); margin: 0 0 .55rem;
  display: flex; gap: .55rem; flex-wrap: wrap;
}
.thread-meta .src { color: var(--ink); }
.thread-body { color: var(--muted); margin: 0 0 .65rem; font-size: var(--fs-body); }
.thread-chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .65rem; }
.thread-actions { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; }

/* score / gauge cluster */
.score-cluster { width: 150px; flex: none; text-align: right; }
.score-num {
  font-family: var(--font-mono); font-variant-numeric: tabular-nums;
  font-size: var(--fs-score); font-weight: var(--fw-score); line-height: 1; color: var(--accent);
}
.score-num.mid { color: var(--ink); }
.score-num.low { color: var(--faint); }
.score-label { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.score-tier { font-family: var(--font-mono); font-size: var(--fs-meta); color: var(--muted); margin-top: .15rem; }
.gauges { margin-top: .7rem; display: grid; gap: .5rem; text-align: left; }
.gauge-row { display: grid; grid-template-columns: 1fr auto; gap: .4rem; align-items: center; }
.gauge-name { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.gauge-val { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: .68rem; color: var(--ink); }
.gauge {
  grid-column: 1 / -1; height: var(--gauge-h); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--r-pill); overflow: hidden;
}
.gauge > span { display: block; height: 100%; width: 0; background: var(--grad-gauge); border-radius: var(--r-pill); transition: width var(--t-slow) var(--ease); }

/* why-score reasoning */
.why-box {
  margin-top: .8rem; background: var(--surface-2); border: 1px solid var(--line);
  border-radius: var(--r-sm); padding: .8rem;
}
.why-box h4 { margin: 0 0 .5rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.why-box ul { margin: 0; padding-left: 1.1rem; color: var(--muted); font-size: var(--fs-meta); }
.why-box li { margin: .25rem 0; }
.why-box .formula { margin: .6rem 0 0; font-family: var(--font-mono); font-size: .68rem; color: var(--faint); border-top: 1px solid var(--line); padding-top: .5rem; }

/* ---------- empty states ---------- */
.empty {
  text-align: center; padding: 2.4rem 1rem; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--r-base); background: var(--surface);
}
.empty h3 { margin: 0 0 .4rem; color: var(--ink); }
.empty p { margin: 0 0 .9rem; }

/* ---------- draft view ---------- */
.context-card { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-base); padding: 1rem; margin-bottom: 1.2rem; }
.context-card .ctx-title { font-family: var(--font-display); font-weight: 600; margin: .2rem 0 .35rem; }
.context-card .ctx-meta { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: var(--fs-meta); color: var(--muted); }
.tone-toggle { display: flex; gap: .5rem; flex-wrap: wrap; margin: .4rem 0 0; }
.variant { margin-top: 1rem; }
.variant-head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-bottom: .5rem; flex-wrap: wrap; }
.variant-head .vname { font-family: var(--font-mono); font-size: var(--fs-meta); letter-spacing: .1em; text-transform: uppercase; color: var(--faint); }
.variant.is-using { border-left: 2px solid var(--accent); }
.variant.is-using .vname { color: var(--accent); }

/* checklist */
.checklist { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--r-base); padding: 1rem; margin-top: 1.2rem; }
.checklist .lead { color: var(--muted); font-size: var(--fs-meta); margin: 0 0 .8rem; }
.check-item { display: flex; gap: .6rem; align-items: flex-start; padding: .5rem 0; border-top: 1px solid var(--line); }
.check-item:first-of-type { border-top: none; }
.check-item input { margin-top: .25rem; width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.check-item label { color: var(--ink); cursor: pointer; }
.check-item.failed label { color: var(--muted); }
.check-item.failed::after { content: "✕"; color: var(--danger); margin-left: auto; font-family: var(--font-mono); }
.pass-badge {
  display: none; align-items: center; gap: .4rem; margin-bottom: .8rem;
  background: var(--accent-soft); color: var(--accent); border: 1px solid rgba(47, 212, 182, .3);
  border-radius: var(--r-pill); padding: .4rem .8rem; font-weight: 600; font-size: var(--fs-meta);
}
.pass-badge.show { display: inline-flex; }
.pass-badge::before { content: "✓"; font-family: var(--font-mono); }
.check-progress { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: var(--fs-meta); color: var(--muted); float: right; }
.autohint { color: var(--faint); font-size: var(--fs-meta); margin: .7rem 0 0; }

/* lock banner */
.lock-banner {
  display: flex; align-items: center; gap: .5rem; margin-top: 1.2rem;
  border: 1px solid rgba(217, 164, 65, .35); background: rgba(217, 164, 65, .08);
  color: var(--warn); border-radius: var(--r-sm); padding: .7rem .9rem; font-size: var(--fs-meta);
}
.lock-banner::before { content: "🔒"; }
.lock-banner.open { border-color: rgba(47, 212, 182, .35); background: var(--accent-soft); color: var(--accent); }
.lock-banner.open::before { content: "🔓"; }
.lock-banner.open.glow { animation: glowpulse 1.4s var(--ease) 1; }

/* approve view */
.you-post {
  display: flex; align-items: center; gap: .5rem; font-family: var(--font-mono);
  font-size: var(--fs-meta); color: var(--accent); margin: .8rem 0;
  letter-spacing: .04em;
}
.you-post::before { content: "👤"; }
.final-draft {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-sm);
  padding: 1rem; white-space: pre-wrap; line-height: 1.6; color: var(--ink);
}

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: max(1.4rem, env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  background: var(--surface-2); border: 1px solid var(--line); color: var(--ink);
  border-radius: var(--r-pill); padding: .65rem 1.1rem; font-size: var(--fs-meta);
  box-shadow: var(--shadow-modal); opacity: 0; pointer-events: none;
  transition: opacity var(--t-base) var(--ease), transform var(--t-base) var(--ease);
  z-index: 200; display: inline-flex; align-items: center; gap: .5rem;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast::before { content: "✓"; color: var(--accent); font-family: var(--font-mono); }

/* ---------- modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, .6);
  display: none; align-items: center; justify-content: center; padding: 1rem; z-index: 300;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-base);
  box-shadow: var(--shadow-modal); max-width: 460px; width: 100%; padding: 1.6rem; position: relative;
}
.modal h2 { font-family: var(--font-display); margin: 0 0 .8rem; font-size: 1.3rem; }
.modal p { color: var(--muted); margin: 0 0 .7rem; }
.modal .modal-close {
  position: absolute; top: .8rem; right: .8rem; appearance: none; background: none; border: none;
  color: var(--faint); font-size: 1.4rem; cursor: pointer; line-height: 1;
}
.modal .modal-close:hover { color: var(--ink); }
.modal .radar-deco {
  width: 56px; height: 56px; border-radius: 50%; margin-bottom: 1rem;
  background: var(--grad-radar), radial-gradient(circle at center, var(--accent) 0 3px, transparent 4px);
  border: 1px solid var(--line);
  animation: spin 6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- responsive ---------- */
@media (max-width: 600px) {
  .thread-card { grid-template-columns: 1fr; }
  .score-cluster { width: 100%; text-align: left; display: flex; align-items: baseline; gap: .6rem; }
  .gauges { display: none; }
  .tabs { order: 3; width: 100%; justify-content: space-between; }
  .header-spacer { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}