/* ---------- Design tokens ---------- */
:root {
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --color-bg: #f2e6c9;
  --color-bg-deep: #e9d8ac;
  --color-surface: #fbf5e6;
  --color-surface-alt: #f4ead2;
  --color-border: #d7c093;
  --color-border-soft: #e5d5ac;
  --color-text: #2f2416;
  --color-text-muted: #6e5c40;
  --color-text-faint: #93815e;

  --color-gold: #a97a1e;
  --color-gold-deep: #8a6216;
  --color-gold-bright: #c99a2e;

  --color-yes: #2f6d43;
  --color-yes-bg: #e3efe1;
  --color-no: #a13d3d;
  --color-no-bg: #f5e4e0;
  --color-sometimes: #93650f;
  --color-sometimes-bg: #f3e7c9;
  --color-unknown: #5b5344;
  --color-unknown-bg: #ece5d3;

  --shadow-card: 0 2px 6px rgba(60, 40, 10, 0.08), 0 10px 30px rgba(60, 40, 10, 0.10);
  --shadow-soft: 0 1px 3px rgba(60, 40, 10, 0.10);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 9px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background:
    radial-gradient(circle at 15% 8%, rgba(255, 250, 235, 0.55), transparent 45%),
    radial-gradient(circle at 85% 92%, rgba(180, 140, 60, 0.14), transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
  background-attachment: fixed;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(16px, 4vw, 48px) 16px 56px;
}

h1, h2, h3 { font-family: var(--font-display); margin: 0; color: var(--color-text); }

button {
  font-family: var(--font-body);
  cursor: pointer;
}

button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-gold-bright);
  outline-offset: 2px;
}

::selection { background: var(--color-gold-bright); color: #2a1c05; }

/* ---------- Shared ornament ---------- */
.ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--color-gold);
  margin: 6px 0 18px;
}
.ornament::before, .ornament::after {
  content: '';
  height: 1px;
  width: 48px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}
.ornament span { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--color-text-faint); font-weight: 600; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* ---------- Home screen ---------- */
.home {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  animation: fade-up 0.5s ease both;
}

.home__title {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
}
.home__title .accent { color: var(--color-gold-deep); }

.home__subtitle {
  color: var(--color-text-muted);
  max-width: 46ch;
  margin: 10px 0 32px;
  font-size: 1.05rem;
}

.home__panel {
  width: 100%;
  padding: clamp(20px, 4vw, 36px);
}

.section-label {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  font-weight: 600;
  margin-bottom: 14px;
  text-align: left;
}

.difficulty-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}
@media (max-width: 520px) {
  .difficulty-grid { grid-template-columns: 1fr; }
}

.difficulty-card {
  text-align: left;
  border: 1.5px solid var(--color-border-soft);
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.difficulty-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.difficulty-card[aria-pressed="true"] {
  border-color: var(--color-gold);
  background: linear-gradient(180deg, #fdf6e6, var(--color-surface-alt));
  box-shadow: 0 0 0 3px rgba(169, 122, 30, 0.16);
}
.difficulty-card__name { font-family: var(--font-display); font-size: 1.28rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.difficulty-card__desc { color: var(--color-text-muted); font-size: 0.87rem; margin-top: 4px; }
.difficulty-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-easy { background: #4c8c5a; }
.dot-medium { background: #c99a2e; }
.dot-hard { background: #c06a2f; }
.dot-expert { background: #a13d3d; }

.btn {
  border: none;
  border-radius: 999px;
  padding: 13px 30px;
  font-size: 1rem;
  font-weight: 600;
  transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: linear-gradient(180deg, var(--color-gold-bright), var(--color-gold-deep));
  color: #2a1c05;
  box-shadow: 0 1px 0 rgba(255,255,255,0.35) inset, 0 6px 16px rgba(138, 98, 22, 0.35);
}
.btn-primary:hover { box-shadow: 0 1px 0 rgba(255,255,255,0.35) inset, 0 8px 20px rgba(138, 98, 22, 0.45); }
.btn-primary:disabled { opacity: 0.45; cursor: not-allowed; box-shadow: none; }
.btn-secondary {
  background: var(--color-surface-alt);
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
}
.btn-secondary:hover { background: #fff; }
.btn-ghost {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 8px 6px;
}
.btn-block { width: 100%; }

.home__nav { margin-top: 18px; display: flex; gap: 18px; }

/* ---------- Game screen ---------- */
.game {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fade-up 0.4s ease both;
}

.game__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
}
.game__badge {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-gold-deep);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-soft);
  padding: 5px 12px;
  border-radius: 999px;
}
.game__counter { text-align: right; }
.game__counter-num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; line-height: 1; }
.game__counter-label { font-size: 0.72rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

.progress-track {
  height: 8px;
  border-radius: 999px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-soft);
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-bright));
  transition: width 0.35s ease;
}

.history {
  flex: 1;
  min-height: 260px;
  max-height: 46vh;
  overflow-y: auto;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.history:empty::before {
  content: 'Ask your first yes/no question below — or make a guess whenever you feel ready.';
  color: var(--color-text-faint);
  font-style: italic;
  margin: auto;
  text-align: center;
  max-width: 34ch;
}

.entry { display: flex; flex-direction: column; gap: 4px; animation: fade-up 0.25s ease both; }
.entry__q {
  align-self: flex-end;
  max-width: 88%;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-soft);
  border-radius: 14px 14px 4px 14px;
  padding: 9px 14px;
  font-size: 0.94rem;
}
.entry__q-num { color: var(--color-text-faint); font-size: 0.75rem; margin-right: 6px; }
.entry__a {
  align-self: flex-start;
  max-width: 88%;
  border-radius: 14px 14px 14px 4px;
  padding: 9px 14px;
  font-size: 0.94rem;
  font-weight: 600;
  border: 1px solid transparent;
}
.entry__a.answer-yes { background: var(--color-yes-bg); color: var(--color-yes); border-color: #c6dfc2; }
.entry__a.answer-no { background: var(--color-no-bg); color: var(--color-no); border-color: #e6c8c1; }
.entry__a.answer-sometimes { background: var(--color-sometimes-bg); color: var(--color-sometimes); border-color: #e3d09a; }
.entry__a.answer-unknown { background: var(--color-unknown-bg); color: var(--color-unknown); border-color: #d8d0ba; }
.entry__a .answer-note { font-weight: 400; }

.entry--guess .entry__q { background: #f4e9c9; border-color: #e3cf95; }
.entry--guess .entry__a.correct { background: var(--color-yes-bg); color: var(--color-yes); }
.entry--guess .entry__a.incorrect { background: var(--color-no-bg); color: var(--color-no); }

.entry--system .entry__a { background: var(--color-unknown-bg); color: var(--color-text-muted); font-weight: 500; font-style: italic; }

.composer {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.composer__row { display: flex; gap: 10px; }
.composer__input {
  flex: 1;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-text);
}
.composer__input:disabled { opacity: 0.6; }
.composer__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.composer__hint { font-size: 0.78rem; color: var(--color-text-faint); }

.suggested {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  border: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 0.82rem;
  transition: background 0.12s ease, color 0.12s ease;
}
.chip:hover { background: var(--color-gold-bright); color: #2a1c05; border-color: var(--color-gold-bright); }

.game__footer { display: flex; justify-content: space-between; align-items: center; padding: 0 4px; }

/* ---------- Result screen ---------- */
.result {
  width: 100%;
  max-width: 620px;
  text-align: center;
  animation: fade-up 0.5s ease both;
}
.result__headline { font-size: clamp(2rem, 5vw, 2.7rem); margin-bottom: 6px; }
.result__headline.won { color: var(--color-yes); }
.result__headline.lost { color: var(--color-no); }
.result__sub { color: var(--color-text-muted); margin-bottom: 24px; }

.result__panel { padding: clamp(22px, 4vw, 36px); text-align: left; }
.result__name { font-family: var(--font-display); font-size: 2rem; font-weight: 700; }
.result__meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0 18px; }
.tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border-soft);
  color: var(--color-text-muted);
}
.result__desc { color: var(--color-text); line-height: 1.6; margin-bottom: 18px; }
.result__refs-label { font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-faint); font-weight: 700; margin-bottom: 8px; }
.result__refs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 4px; }
.ref-chip { font-size: 0.82rem; background: var(--color-surface-alt); border: 1px solid var(--color-border-soft); border-radius: 8px; padding: 4px 10px; color: var(--color-gold-deep); font-weight: 600; }
.result__notes { margin: 0; padding-left: 20px; color: var(--color-text-muted); font-size: 0.9rem; line-height: 1.6; }
.result__notes li { margin-bottom: 6px; }

.result__actions { display: flex; gap: 12px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }

/* ---------- Stats screen ---------- */
.stats { width: 100%; max-width: 620px; animation: fade-up 0.4s ease both; }
.stats__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 18px 0; }
@media (max-width: 480px) { .stats__grid { grid-template-columns: 1fr 1fr; } }
.stat-tile { padding: 16px; text-align: center; }
.stat-tile__num { font-family: var(--font-display); font-size: 1.9rem; font-weight: 700; color: var(--color-gold-deep); }
.stat-tile__label { font-size: 0.75rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 2px; }

.stats__table { width: 100%; padding: 4px; }
.stats__row { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--color-border-soft); font-size: 0.92rem; }
.stats__row:last-child { border-bottom: none; }
.stats__row-label { text-transform: capitalize; font-weight: 600; }
.stats__row-value { color: var(--color-text-muted); }

/* ---------- Utility ---------- */
.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;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}