:root {
  --cq-ink: #0f172a;
  --cq-muted: #64748b;
  --cq-line: #e2e8f0;
  --cq-surface: #f8fafc;
  --cq-warm: #fffaf0;
  --cq-primary: #356fe8;
  --cq-primary-dark: #2455bd;
  --cq-gold: #f2b21a;
  --cq-red: #dc2626;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--cq-ink);
  background: #fff;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
}

::selection { background: #dbeafe; color: #172554; }

.cq-display,
.cq-prose h1,
.cq-prose h2,
.cq-prose h3,
.cq-prose h4 {
  font-family: "Source Serif 4", Georgia, serif;
}

.cq-shell { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.cq-reading { width: min(760px, calc(100% - 2rem)); margin-inline: auto; }
.cq-section { padding-block: clamp(4rem, 8vw, 7rem); }
.cq-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cq-primary-dark);
}
.cq-eyebrow::before { content: ""; width: 1.75rem; height: 2px; background: var(--cq-gold); }

.cq-card {
  background: #fff;
  border: 1px solid var(--cq-line);
  border-radius: 1.35rem;
  box-shadow: 0 14px 40px rgba(15, 23, 42, .055);
}
.cq-card-hover { transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.cq-card-hover:hover { transform: translateY(-3px); border-color: #cbd5e1; box-shadow: 0 22px 60px rgba(15, 23, 42, .09); }

.cq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 44px;
  padding: .72rem 1.05rem;
  border-radius: .85rem;
  font-weight: 750;
  font-size: .925rem;
  line-height: 1;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.cq-btn:hover { transform: translateY(-1px); }
.cq-btn-primary { color: #fff; background: var(--cq-primary); }
.cq-btn-primary:hover { background: var(--cq-primary-dark); }
.cq-btn-dark { color: #fff; background: var(--cq-ink); }
.cq-btn-dark:hover { background: #1e293b; }
.cq-btn-soft { color: var(--cq-ink); background: #fff; border: 1px solid var(--cq-line); }
.cq-btn-soft:hover { border-color: #94a3b8; background: #f8fafc; }
.cq-btn-gold { color: #422006; background: #fef3c7; border: 1px solid #fde68a; }
.cq-btn-gold:hover { background: #fde68a; }

.cq-input {
  width: 100%;
  border: 1px solid #cbd5e1;
  background: #fff;
  border-radius: .9rem;
  padding: .78rem .9rem;
  color: var(--cq-ink);
  outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.cq-input:focus { border-color: var(--cq-primary); box-shadow: 0 0 0 4px rgba(53, 111, 232, .12); }

.cq-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: .38rem .7rem;
  background: #f1f5f9;
  color: #475569;
  font-size: .75rem;
  font-weight: 700;
}

.cq-progress { height: .5rem; overflow: hidden; border-radius: 999px; background: #e2e8f0; }
.cq-progress > span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--cq-primary), #60a5fa); }

.cq-prose { font-family: "Source Serif 4", Georgia, serif; color: #334155; font-size: 1.08rem; line-height: 1.82; }
.cq-prose p { margin: 0 0 1.4em; }
.cq-prose h2 { color: var(--cq-ink); font-size: 1.85rem; line-height: 1.2; margin: 2.1em 0 .7em; font-weight: 750; }
.cq-prose h3 { color: var(--cq-ink); font-size: 1.4rem; line-height: 1.3; margin: 1.8em 0 .65em; font-weight: 750; }
.cq-prose a { color: var(--cq-primary-dark); text-decoration: underline; text-underline-offset: 3px; }
.cq-prose blockquote { margin: 1.8rem 0; padding: 1rem 1.25rem; background: var(--cq-warm); border-left: 4px solid var(--cq-gold); color: #713f12; }
.cq-prose img { border-radius: 1rem; margin: 2rem auto; }
.cq-prose ul, .cq-prose ol { margin: 1.3rem 0; padding-left: 1.4rem; }
.cq-prose li { margin: .45rem 0; }

.cq-auth-field input {
  width: 100%;
  border: 1px solid #cbd5e1;
  background: #fff;
  border-radius: .9rem;
  padding: .78rem .9rem;
  color: var(--cq-ink);
  outline: none;
}
.cq-auth-field input:focus { border-color: var(--cq-primary); box-shadow: 0 0 0 4px rgba(53, 111, 232, .12); }
.cq-auth-field ul { margin: .5rem 0 0; padding-left: 1rem; color: #64748b; font-size: .78rem; }
.cq-auth-field .errorlist { color: #b91c1c; }

.cq-focus:focus-visible { outline: 3px solid rgba(53, 111, 232, .3); outline-offset: 3px; }

@media (max-width: 767px) {
  .cq-shell, .cq-reading { width: min(100% - 1.25rem, 1180px); }
  .cq-section { padding-block: 3.5rem; }
}


/* Phase 9 — assistant IA */
.ai-answer p { margin: 0 0 .85rem; }
.ai-answer p:last-child { margin-bottom: 0; }
.ai-answer ul, .ai-answer ol { margin: .7rem 0 .9rem 1.25rem; }
.ai-answer ul { list-style: disc; }
.ai-answer ol { list-style: decimal; }
.ai-answer li { margin: .3rem 0; }
.ai-answer blockquote { margin: .8rem 0; border-left: 3px solid #f2b21a; padding-left: .9rem; color: #475569; }
.ai-answer code { border-radius: .35rem; background: #f1f5f9; padding: .1rem .3rem; font-size: .85em; }
.ai-answer a { color: #2455bd; text-decoration: underline; text-underline-offset: 2px; }