/* Horizon Onboarding — 紙底、米色、無花綠。
 * 字級偏大（30-40+ 用戶友善），按鈕命中區大。
 * 不重複定義 .btn — 沿用 style-a.css 的 .btn / .btn.primary / .btn.ghost。
 */

.hz-onboarding-overlay {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  /* iOS / 觸控裝置避免按下背景時觸發誤點 */
  -webkit-tap-highlight-color: transparent;
}

.hz-onboarding-card {
  width: 100%;
  max-width: 480px;
  background: var(--paper, #FBF8F2);
  color: var(--ink, #201A12);
  border: 0.5px solid var(--line, #E4DACB);
  border-radius: 12px;
  padding: 32px 32px 24px;
  box-shadow: 0 24px 60px rgba(32, 26, 18, 0.28), 0 4px 12px rgba(32, 26, 18, 0.08);
  font-family: 'Noto Sans TC', 'Inter Tight', system-ui, sans-serif;
  /* 防止內容太多時撐爆 viewport */
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}

.hz-onboarding-eyebrow {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3, #8A7A63);
  font-weight: 500;
  margin-bottom: 12px;
}

.hz-onboarding-title {
  font-family: 'Instrument Serif', 'Noto Serif TC', serif;
  font-size: 28px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--ink, #201A12);
  margin-bottom: 8px;
}

.hz-onboarding-lead {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--ink, #201A12);
  margin-bottom: 14px;
}

.hz-onboarding-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-2, #564A3A);
  margin-bottom: 16px;
}

.hz-onboarding-hint {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-3, #8A7A63);
  background: var(--line-2, #EFE7D8);
  border-left: 2px solid var(--ink-4, #B8A98F);
  padding: 10px 12px;
  border-radius: 4px;
  margin-bottom: 22px;
}

.hz-onboarding-step-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 22px;
}

.hz-onboarding-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--line, #E4DACB);
  transition: background 0.18s, transform 0.18s;
}

.hz-onboarding-dot.on {
  background: var(--ink, #201A12);
  transform: scale(1.25);
}

.hz-onboarding-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hz-onboarding-nav {
  display: flex;
  gap: 8px;
}

.hz-onboarding-skip {
  font-size: 12.5px;
  color: var(--ink-3, #8A7A63);
}

/* 響應式：≤640 全寬，padding 縮一點 */
@media (max-width: 640px) {
  .hz-onboarding-overlay {
    padding: 12px;
    align-items: flex-end;
  }
  .hz-onboarding-card {
    max-width: 100%;
    padding: 24px 20px 20px;
    border-radius: 12px 12px 12px 12px;
    max-height: calc(100vh - 24px);
  }
  .hz-onboarding-title {
    font-size: 24px;
  }
  .hz-onboarding-lead {
    font-size: 14.5px;
  }
  .hz-onboarding-body {
    font-size: 13.5px;
  }
  .hz-onboarding-actions {
    flex-direction: column-reverse;
    align-items: stretch;
  }
  .hz-onboarding-actions .hz-onboarding-nav {
    width: 100%;
  }
  .hz-onboarding-actions .hz-onboarding-nav .btn {
    flex: 1;
  }
  .hz-onboarding-skip {
    width: 100%;
    text-align: center;
  }
}