:root {
  --bg: #0b0a10;
  --bg-glow: #2a1640;
  --surface: #16131f;
  --border: #2e2840;
  --text: #cfc8de;
  --muted: #8a8399;
  --accent: #e2b84f;
  --accent-soft: #f3d98a;
  --btn-from: #f97316;
  --btn-to: #c2410c;
  --btn-text: #1a0f05;
  --correct: #22c55e;
  --wrong: #ef4444;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: radial-gradient(ellipse 70% 45% at 50% 0%, var(--bg-glow), transparent 70%), var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 680px; margin: 0 auto; padding: 48px 16px 40px; text-align: center; }
.eyebrow { color: var(--accent); letter-spacing: .14em; text-transform: uppercase; font-size: .9rem; font-weight: 600; margin: 0; }
.ornament { margin: 14px 0 6px; font-size: 1.35rem; letter-spacing: .6em; opacity: .9; }
h1.title {
  font-family: var(--font-display); font-weight: 700; margin: 8px 0 18px;
  font-size: clamp(2.4rem, 8vw, 3.6rem); line-height: 1.1;
  background: linear-gradient(180deg, var(--accent-soft), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.subtitle { font-size: 1.15rem; margin: 0 auto 26px; max-width: 520px; white-space: pre-line; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 30px; }
.chip { border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); color: var(--accent); border-radius: 999px; padding: 8px 18px; font-size: .98rem; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 24px 28px; text-align: left; }
.card b { color: var(--accent); }
.howto { max-width: 630px; margin: 0 auto 36px; font-size: 1.02rem; }

label.field-label { display: block; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; font-size: .88rem; margin-bottom: 10px; }
input.name {
  width: min(350px, 100%); padding: 16px 18px; border-radius: 12px; font: inherit; font-size: 1.1rem; text-align: center;
  background: var(--surface); color: var(--text); border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
}
input.name:focus { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  width: min(480px, 100%); margin-top: 28px; padding: 18px 24px; border: 0; border-radius: 12px; cursor: pointer;
  background: linear-gradient(180deg, var(--btn-from), var(--btn-to)); color: var(--btn-text);
  font-family: var(--font-display); font-weight: 700; font-size: 1.45rem;
  box-shadow: 0 10px 40px -10px color-mix(in srgb, var(--btn-from) 70%, transparent);
  transition: transform .12s ease, filter .12s ease;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.06); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--accent); box-shadow: none; font-size: 1.1rem; padding: 14px 20px; }
.footer { color: var(--muted); font-size: .9rem; margin-top: 34px; }
.error { color: var(--wrong); margin-top: 12px; min-height: 1.4em; }

/* Pregunta */
.topbar { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .92rem; margin-bottom: 10px; }
.progress { height: 6px; border-radius: 99px; background: var(--border); overflow: hidden; margin-bottom: 30px; }
.progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--btn-from), var(--accent)); transition: width .3s ease; }
.qcat { margin-bottom: 14px; }
.prompt { font-family: var(--font-display); font-size: clamp(1.35rem, 4.5vw, 1.75rem); line-height: 1.3; color: var(--accent-soft); margin: 0 0 26px; }
.options { display: grid; gap: 12px; text-align: left; }
.option {
  display: flex; gap: 14px; align-items: center; width: 100%; padding: 16px 18px; border-radius: 12px; cursor: pointer;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); font: inherit; font-size: 1.05rem; text-align: left;
  transition: border-color .12s, background .12s;
}
.option:hover:not(:disabled) { border-color: var(--accent); }
.option .letter { flex: none; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--accent); color: var(--accent); font-weight: 700; font-size: .9rem; }
.option:disabled { cursor: default; }
.option.correct { border-color: var(--correct); background: color-mix(in srgb, var(--correct) 16%, var(--surface)); }
.option.correct .letter { background: var(--correct); border-color: var(--correct); color: #fff; }
.option.wrong { border-color: var(--wrong); background: color-mix(in srgb, var(--wrong) 16%, var(--surface)); }
.option.wrong .letter { background: var(--wrong); border-color: var(--wrong); color: #fff; }
.option.dim { opacity: .5; }
.feedback { margin-top: 20px; text-align: left; }
.feedback .verdict { font-weight: 700; font-size: 1.1rem; margin-bottom: 4px; }
.feedback .verdict.ok { color: var(--correct); }
.feedback .verdict.bad { color: var(--wrong); }

/* Resultados */
.score { font-family: var(--font-display); font-size: clamp(3.5rem, 14vw, 5.5rem); line-height: 1; color: var(--accent); margin: 10px 0 4px; }
.score small { font-size: .4em; color: var(--muted); }
.level-title { font-family: var(--font-display); font-size: 1.8rem; color: var(--accent-soft); margin: 18px 0 6px; }
.review { margin-top: 30px; }
.review details { margin-bottom: 10px; }
.review summary { cursor: pointer; color: var(--accent); }
.review .item { padding: 12px 0; border-top: 1px solid var(--border); font-size: .97rem; }
.review .item:first-of-type { border-top: 0; }
.review .yours { color: var(--wrong); }
.review .right { color: var(--correct); }
.saved { color: var(--muted); font-size: .9rem; margin-top: 14px; min-height: 1.4em; }

.fade { animation: fade .35s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .fade { animation: none; } .progress > span { transition: none; } }
@media (max-width: 520px) { .wrap { padding-top: 32px; } .card { padding: 20px; } .btn { font-size: 1.25rem; } }