/* ===== BIAS LAB - module styles =====
   Bias Lab is a single-focus experience: one scenario fills the centre of
   the viewport at a time, with a progress strip above and a reveal panel
   below. Built on top of /css/app.css design tokens. */

/* ---- Layout ---- */
.bl-stage {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(28px, 4vh, 56px) clamp(20px, 3vw, 40px) 64px;
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  flex-direction: column;
}

/* Thin horizontal progress strip at the very top of the page.
   Fills left-to-right as scenarios complete. Replaces the 15 dots
   so the question itself can have the vertical space. */
.bl-progress-bar {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  height: 3px;
  z-index: 100;
  pointer-events: none;
  background: rgba(0,0,0,0.05);
}
[data-theme="dark"] .bl-progress-bar {
  background: rgba(255,255,255,0.06);
}
.bl-progress-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(to right, var(--accent), #bf5af2);
  transition: width 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Two-column layout: sidebar (step + category + bias name) on the left,
   card on the right. Collapses to stacked header on narrower screens. */
.bl-layout {
  display: flex;
  gap: clamp(32px, 4vw, 56px);
  align-items: flex-start;
}
.bl-sidebar {
  width: 180px;
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--nav-h) + 32px);
}
.bl-progress-step {
  font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
  margin-bottom: 18px;
}
.bl-sidebar-category {
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 8px;
}
.bl-sidebar-bias-name {
  font-size: 1.1rem; font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
  line-height: 1.25;
}
/* Ghost-pill restart action - sidebar-sized version of the
   "Try again" / "Back to the lobby" buttons used on the results
   page. Sits at the bottom of the sidebar; confirms before clearing
   state so the user doesn't lose progress by accident. */
.bl-sidebar-restart {
  margin-top: 22px;
  padding: 7px 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  letter-spacing: 0.01em;
  transition: border-color var(--transition), color var(--transition);
  align-self: flex-start;
}
.bl-sidebar-restart:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.bl-main {
  flex: 1;
  min-width: 0;
}

/* Narrow viewport: stack the sidebar on top as a tight header row. */
@media (max-width: 860px) {
  .bl-layout {
    flex-direction: column;
    gap: 16px;
  }
  .bl-sidebar {
    width: 100%;
    position: static;
    display: flex; align-items: baseline; gap: 16px;
    flex-wrap: wrap;
  }
  .bl-progress-step { margin-bottom: 0; }
  .bl-sidebar-category { margin-bottom: 0; }
  .bl-sidebar-bias-name { font-size: 1rem; }
}

/* ---- Card ---- */
.bl-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 36px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.04);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
[data-theme="dark"] .bl-card {
  box-shadow: 0 8px 32px rgba(0,0,0,0.30);
}
.bl-card.is-fading {
  opacity: 0;
  transform: translateY(12px);
}

.bl-setup {
  font-size: clamp(1.05rem, 2.2vw, 1.3rem);
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 24px;
  font-weight: 400;
}
.bl-setup strong {
  font-weight: 600;
}
.bl-setup em {
  font-style: italic;
  color: var(--text-secondary);
}

/* ---- Options ---- */
.bl-options {
  display: flex; flex-direction: column;
  gap: 12px;
}
.bl-option {
  display: flex; align-items: center; gap: 14px;
  width: 100%;
  padding: 18px 22px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 14px;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
}
.bl-option:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-dim);
  transform: translateY(-1px);
}
.bl-option:disabled { cursor: default; }
.bl-option.is-chosen {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.bl-option-label {
  flex: 1;
}
.bl-option-hint {
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-left: auto;
}
.bl-option-marker {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: transparent;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--transition);
}
.bl-option.is-chosen .bl-option-marker {
  border-color: var(--accent);
  background: var(--accent);
  color: white;
}

/* ---- Reveal panel ---- */
.bl-reveal {
  margin-top: 36px;
  padding: 28px clamp(20px, 4vw, 36px);
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.bl-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.bl-reveal-flag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.72rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 14px;
}
/* Both flag states use the same calm accent - no good/bad colour coding.
   Typical vs less-common patterns are descriptive labels, not value
   judgments. */
.bl-reveal-flag.is-typical,
.bl-reveal-flag.is-uncommon {
  color: var(--accent);
}
.bl-reveal-headline {
  font-size: 1.15rem; font-weight: 600;
  line-height: 1.4;
  margin-bottom: 14px;
  color: var(--text);
}
.bl-reveal-body {
  font-size: 0.98rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.bl-reveal-body strong { color: var(--text); font-weight: 600; }
.bl-reveal-body em { color: var(--text); font-style: italic; }
.bl-reveal-takeaway {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text);
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.bl-reveal-citation {
  display: flex; align-items: center; gap: 8px;
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--text-tertiary);
}
.bl-reveal-citation a {
  color: var(--text-tertiary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.bl-reveal-citation a:hover { color: var(--accent); }

/* ---- Next button ---- */
.bl-actions {
  display: flex; justify-content: flex-end;
  margin-top: 32px;
}
.bl-next {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 28px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 6px 18px rgba(88,86,214,0.20);
}
.bl-next:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(88,86,214,0.30);
}
.bl-next:active { transform: translateY(0); }

/* ---- Intro screen ---- */
.bl-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 40px 0;
}
.bl-intro h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 18px;
  background: linear-gradient(45deg, #5856d6, #bf5af2);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="dark"] .bl-intro h1 {
  background: linear-gradient(45deg, #7270ee, #d97aff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bl-intro-lead {
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.bl-intro-rules {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-tertiary);
  margin-bottom: 32px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.bl-intro-cta {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 32px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 8px 22px rgba(88,86,214,0.25);
}
.bl-intro-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 32px rgba(88,86,214,0.35);
}

/* ---- Interactive scenario shared bits ---- */
.bl-numeric-input {
  width: 100%; max-width: 180px;
  padding: 12px 16px;
  font: inherit;
  font-size: 1.3rem; font-weight: 600;
  text-align: center;
  background: var(--bg-elevated);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  margin: 12px auto;
  display: block;
}
.bl-numeric-input:focus {
  outline: none;
  border-color: var(--accent);
}

/* Anchoring wheel - ring rotates, display stays fixed (so number is upright). */
.bl-wheel-wrap {
  position: relative;
  width: 150px; height: 150px;
  margin: 20px auto 16px;
}
.bl-wheel-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    var(--accent), #7270ee, #8b89e8, #a59fee, #bf5af2,
    #d97aff, #e89cf5, #c0a3eb, #8b89e8, var(--accent)
  );
  transition: transform 2.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 10px 30px rgba(88,86,214,0.18);
}
.bl-wheel-display {
  position: absolute;
  inset: 18px;
  background: var(--bg-elevated);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem; font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
  z-index: 1;
}
.bl-wheel-pointer {
  position: absolute;
  top: -6px; left: 50%;
  transform: translateX(-50%);
  width: 0; height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 14px solid var(--text);
  z-index: 2;
}
/* Compact reference shown after the spin completes - replaces the wheel
   so the question + input + submit all fit on one screen. */
.bl-anchor-chip {
  display: inline-block;
  padding: 8px 18px;
  margin: 8px auto 0;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: var(--radius-pill);
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
}
.bl-anchor-chip strong { font-weight: 700; }
/* Centre the chip without breaking inline display. */
.bl-card > .bl-anchor-chip {
  display: block;
  width: max-content;
  margin-left: auto;
  margin-right: auto;
}

/* Coin sequence */
.bl-coin-strip {
  display: flex; justify-content: center; gap: 10px;
  margin: 36px auto 32px;
  flex-wrap: wrap;
  max-width: 480px;
}
.bl-coin {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--accent), #bf5af2);
  box-shadow: 0 6px 18px rgba(88,86,214,0.20);
  flex-shrink: 0;
  opacity: 0;
  transform: scale(0.5) rotate(-180deg);
  transition: opacity 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.bl-coin.is-revealed {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}
.bl-coin.is-pending {
  background: var(--bg-card);
  color: var(--text-tertiary);
  border: 2px dashed var(--border);
  box-shadow: none;
  opacity: 1;
  transform: scale(1) rotate(0);
}

/* Toggle (status quo default) */
.bl-toggle-row {
  display: flex; align-items: center; gap: 16px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin: 24px 0 8px;
}
.bl-toggle-text {
  flex: 1;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
}
.bl-toggle-text small {
  display: block;
  font-size: 0.82rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}
.bl-toggle {
  position: relative;
  width: 52px; height: 30px;
  flex-shrink: 0;
}
.bl-toggle input {
  position: absolute; opacity: 0; width: 0; height: 0;
}
.bl-toggle-track {
  position: absolute; inset: 0;
  background: var(--accent);
  border-radius: 15px;
  cursor: pointer;
  transition: background var(--transition);
}
.bl-toggle-track::after {
  content: '';
  position: absolute; top: 3px; left: 25px;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: white;
  transition: left var(--transition);
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.bl-toggle input:not(:checked) + .bl-toggle-track {
  background: rgba(0,0,0,0.18);
}
[data-theme="dark"] .bl-toggle input:not(:checked) + .bl-toggle-track {
  background: rgba(255,255,255,0.18);
}
.bl-toggle input:not(:checked) + .bl-toggle-track::after {
  left: 3px;
}

/* ---- Results page ---- */
.bl-results {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 0;
}
.bl-score-ring {
  position: relative;
  width: 180px; height: 180px;
  margin: 0 auto 28px;
}
.bl-score-ring svg {
  width: 100%; height: 100%;
  transform: rotate(-90deg);
}
.bl-score-ring-bg {
  fill: none;
  stroke: var(--bg-card);
  stroke-width: 12;
}
.bl-score-ring-fg {
  fill: none;
  stroke: url(#scoreGradient);
  stroke-width: 12;
  stroke-linecap: round;
  transition: stroke-dasharray 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.bl-score-number {
  position: absolute;
  inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
}
.bl-score-big {
  font-size: 3rem; font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(45deg, #5856d6, #bf5af2);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  font-variant-numeric: tabular-nums;
}
[data-theme="dark"] .bl-score-big {
  background: linear-gradient(45deg, #7270ee, #d97aff);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.bl-score-out-of {
  font-size: 0.88rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}
.bl-results-verdict {
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-bottom: 14px;
  color: var(--text);
}
.bl-results-note {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 540px;
  margin: 0 auto 56px;
}
.bl-blind-spots-title {
  font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.16em;
  color: var(--accent);
  margin-bottom: 24px;
  text-align: left;
}
.bl-blind-spots {
  display: flex; flex-direction: column;
  gap: 14px;
  margin-bottom: 56px;
  text-align: left;
}
.bl-blind-spot {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
}
.bl-blind-spot-num {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 700;
}
.bl-blind-spot-body { flex: 1; min-width: 0; }
.bl-blind-spot-name {
  font-size: 1.05rem; font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.bl-blind-spot-takeaway {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--text-secondary);
}
.bl-blind-spot-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
}
.bl-blind-spot-link:hover { text-decoration: underline; }

.bl-results-cta {
  display: flex; gap: 14px; justify-content: center;
  flex-wrap: wrap;
}
.bl-results-cta button, .bl-results-cta a {
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font: inherit;
  font-size: 0.95rem; font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
}
.bl-results-cta .bl-cta-primary {
  background: var(--accent);
  color: white;
  border: none;
  box-shadow: 0 6px 18px rgba(88,86,214,0.22);
}
.bl-results-cta .bl-cta-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(88,86,214,0.32);
}
.bl-results-cta .bl-cta-secondary {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border);
}
.bl-results-cta .bl-cta-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Mobile */
@media (max-width: 540px) {
  .bl-progress { gap: 6px; }
  .bl-progress-dot { width: 8px; height: 8px; }
  .bl-card { padding: 20px 18px; }
  .bl-setup { font-size: 1rem; }
  .bl-option { padding: 14px 16px; }
  .bl-wheel-wrap { width: 130px; height: 130px; }
  .bl-wheel-display { font-size: 2rem; }
  .bl-coin { width: 42px; height: 42px; font-size: 1rem; }
}