:root {
  --ink: #10241f;
  --paper: #f6f3ea;
  --panel: #ffffff;
  --line: #d8d0bb;
  --gold: #a8842c;
  --gold-deep: #7c611f;
  --green-deep: #1f4b3f;
  --danger: #a5372a;
  --font-display: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

.dp-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.dp-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
  margin: 0 0 8px;
}

.dp-title {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink);
}

.dp-sub {
  color: #4b5a55;
  margin: 0 0 32px;
  font-size: 15px;
}

.dp-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 28px;
  margin-bottom: 20px;
}

.dp-rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 24px 0;
}

.dp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green-deep);
  color: #fff;
  border: none;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
}

.dp-btn:hover { background: #163a30; }

.dp-btn.outline {
  background: transparent;
  color: var(--green-deep);
  border: 1px solid var(--green-deep);
}

.dp-btn.outline:hover { background: rgba(31,75,63,0.06); }

.dp-error {
  border: 1px solid var(--danger);
  background: #fbeae7;
  color: var(--danger);
  padding: 16px 20px;
  border-radius: 4px;
  font-size: 14px;
}

.dp-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  background: rgba(31,75,63,0.08);
  color: var(--green-deep);
}

.dp-meta-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #667;
  margin-bottom: 4px;
}

.dp-q {
  margin-bottom: 28px;
}

.dp-q-number {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold-deep);
  margin-bottom: 6px;
}

.dp-q-text {
  font-size: 16px;
  margin: 0 0 12px;
}

.dp-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 14px;
}

.dp-option:hover { border-color: var(--gold); }

.dp-timer {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--green-deep);
}

.dp-score {
  font-family: var(--font-display);
  font-size: 56px;
  color: var(--green-deep);
  margin: 0;
}

.dp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.dp-table th, .dp-table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}

.dp-table th {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #667;
}

.dp-footer-note {
  font-size: 12px;
  color: #8a9490;
  margin-top: 32px;
}