/* ===== Design tokens =====
   Fond encre profond, carte "fiche papier", accent ambre curiosité
   Display : Fraunces (serif expressif) / Corps : Source Serif 4 / UI-data : JetBrains Mono
*/
:root {
  --ink: #14161C;
  --ink-soft: #1D2029;
  --paper: #F0EDE4;
  --paper-dim: #E4E0D3;
  --amber: #E8B34A;
  --amber-dim: #C99633;
  --muted: #8B8F9A;
  --good: #5FA88A;
  --bad: #C4675A;
  --ink-line: rgba(240, 237, 228, 0.12);

  --font-display: 'Fraunces', serif;
  --font-body: 'Source Serif 4', serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  background-image:
    radial-gradient(circle at 15% 8%, rgba(232, 179, 74, 0.06), transparent 40%),
    radial-gradient(circle at 85% 92%, rgba(95, 168, 138, 0.05), transparent 45%);
}

.app {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 20px calc(48px + env(safe-area-inset-bottom));
  min-height: 100vh;
  min-height: 100dvh;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(20px + env(safe-area-inset-top)) 4px 20px;
}

.brand {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--ink-line);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--paper);
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.icon-btn:hover { border-color: var(--amber-dim); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* ---------- Fact card ---------- */
.stage {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.fact-card {
  background: var(--paper);
  color: var(--ink);
  border-radius: 4px;
  padding: 28px 26px 24px;
  position: relative;
  box-shadow:
    0 1px 0 rgba(0,0,0,0.04),
    0 24px 48px -20px rgba(0,0,0,0.55),
    0 8px 16px -8px rgba(0,0,0,0.35);
  transform: rotate(-0.4deg);
}

.fact-card::after {
  /* fiche du dessous, légèrement décalée : effet pile de cartes */
  content: "";
  position: absolute;
  inset: 0;
  background: var(--paper-dim);
  border-radius: 4px;
  z-index: -1;
  transform: rotate(1.1deg) translateY(6px);
}

.fact-card__stamp {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(20,22,28,0.2);
  padding-bottom: 12px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
}

.fact-card__date {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(20,22,28,0.55);
}

.fact-card__theme {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-dim);
  background: rgba(232, 179, 74, 0.14);
  padding: 4px 9px;
  border-radius: 20px;
}

.fact-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 6vw, 30px);
  line-height: 1.15;
  margin: 0 0 14px;
  font-optical-sizing: auto;
}

.fact-card__text {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  margin: 0 0 26px;
  color: rgba(20,22,28,0.86);
}

.fact-card__actions {
  display: flex;
  gap: 10px;
}

.vote-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1.5px solid rgba(20,22,28,0.18);
  background: transparent;
  color: rgba(20,22,28,0.7);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.16s ease;
}

.vote-btn:active { transform: scale(0.96); }
.vote-btn:focus-visible { outline: 2px solid var(--amber-dim); outline-offset: 2px; }

.vote-btn--yes[aria-pressed="true"] {
  background: var(--good);
  border-color: var(--good);
  color: #0F1D18;
}
.vote-btn--no[aria-pressed="true"] {
  background: var(--bad);
  border-color: var(--bad);
  color: #241110;
}
.vote-btn--no svg { transform: scaleY(-1); }

.new-fact-btn {
  display: block;
  width: 100%;
  margin-top: 14px;
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px dashed rgba(20,22,28,0.3);
  background: transparent;
  color: rgba(20,22,28,0.6);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.16s ease;
}
.new-fact-btn:hover { border-color: var(--amber-dim); color: var(--amber-dim); }
.new-fact-btn:active { transform: scale(0.98); }
.new-fact-btn:disabled { opacity: 0.5; cursor: default; }
.new-fact-btn:focus-visible { outline: 2px solid var(--amber-dim); outline-offset: 2px; }

.learn-more-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--amber-dim);
  text-decoration: none;
  border-radius: 999px;
  transition: background 0.16s ease, color 0.16s ease;
}
.learn-more-link:hover { background: rgba(232, 179, 74, 0.12); color: var(--ink); }
.learn-more-link:focus-visible { outline: 2px solid var(--amber-dim); outline-offset: 2px; }

/* ---------- History ---------- */
.history__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

.history__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history__empty {
  color: var(--muted);
  font-size: 14px;
  font-style: italic;
}

.history__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--ink-soft);
  border: 1px solid var(--ink-line);
  border-radius: 10px;
  cursor: pointer;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.history__item:hover { border-color: var(--amber-dim); }
.history__item:active { transform: scale(0.99); }
.history__item:focus-visible { outline: 2px solid var(--amber-dim); outline-offset: 2px; }

.history__item-vote {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.history__item-body { flex: 1; min-width: 0; }

.history__item-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  margin: 0 0 2px;
}

.history__item-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(24px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  background: var(--amber);
  color: #241a05;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 50;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Settings dialog ---------- */
.settings-dialog {
  border: none;
  border-radius: 14px;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  width: min(360px, 90vw);
}
.settings-dialog::backdrop { background: rgba(20,22,28,0.6); }

.settings-dialog__form {
  padding: 26px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.settings-dialog__form h2 {
  font-family: var(--font-display);
  margin: 0;
  font-size: 20px;
}

.settings-dialog__desc {
  font-size: 14px;
  color: rgba(20,22,28,0.7);
  margin: 0 0 6px;
  line-height: 1.5;
}

.settings-dialog__status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  min-height: 16px;
  margin: 0;
}

.lang-select {
  border-radius: 10px;
  border: 1px solid rgba(20,22,28,0.2);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px 12px;
  cursor: pointer;
}
.lang-select:focus-visible { outline: 2px solid var(--amber-dim); outline-offset: 2px; }

.settings-dialog__separator {
  border: none;
  border-top: 1px dashed rgba(20,22,28,0.2);
  margin: 6px 0;
}

.btn-primary, .btn-secondary {
  border-radius: 999px;
  padding: 12px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  background: transparent;
  color: rgba(20,22,28,0.6);
  border: 1px solid rgba(20,22,28,0.2);
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}