:root {
  --bg: #0b0d10;
  --card: #121620;
  --text: #e8edf2;
  --muted: #a9b4c0;
  --accent: #d6c7a1;
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-serif, Georgia, "Times New Roman", Times, serif;
  background: radial-gradient(1200px 800px at 20% 10%, #141a24, var(--bg));
  color: var(--text);
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

.header h1 {
  margin: 0 0 8px;
  letter-spacing: 0.5px;
}
.subhead {
  margin: 0 0 24px;
  color: var(--muted);
  line-height: 1.5;
}

.card {
  background: rgba(18,22,32,0.9);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.hidden { display: none; }

.primary {
  background: var(--accent);
  color: #1b1b1b;
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 650;
  cursor: pointer;
}

button {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button:hover { filter: brightness(1.06); }

.answers {
  display: grid;
  gap: 10px;
  margin: 16px 0;
}

.answer {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
}

.answer input { margin-top: 3px; }
.answer .txt { color: var(--text); }
.answer .hint { color: var(--muted); font-size: 0.92rem; margin-top: 4px; }

.controls {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.progress {
  display: grid;
  gap: 8px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.bar {
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow: hidden;
}
#barFill {
  height: 100%;
  width: 0%;
  background: var(--accent);
}

.result {
  margin: 14px 0 10px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
}
.result .label { color: var(--muted); font-size: 0.9rem; }
.result .number { font-size: 2.6rem; letter-spacing: 0.5px; margin-top: 6px; }

.resultText { color: var(--muted); line-height: 1.55; }

.fineprint {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

.details { margin-top: 14px; color: var(--muted); }
.footer { margin-top: 18px; font-size: 0.9rem; }
.footer a { color: var(--accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }