/* ——— My Baby Girl ——— */
:root {
  --bg: #fdf6f3;
  --card: #ffffff;
  --ink: #3d2c33;
  --ink-soft: #7a6570;
  --accent: #d96c8a;
  --accent-deep: #b34d6d;
  --accent-soft: #fbe4ec;
  --gold: #d9a86c;
  --line: #f0dde4;
  --good: #4d8a6a;
  --good-soft: #e4f2ea;
  --shadow: 0 6px 24px rgba(179, 77, 109, 0.10);
  --radius: 18px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #221a1e;
    --card: #2d2329;
    --ink: #f3e7ec;
    --ink-soft: #b79fab;
    --accent: #e58aa5;
    --accent-deep: #f0a8bd;
    --accent-soft: #402c35;
    --line: #453540;
    --good: #7fc39e;
    --good-soft: #23392e;
    --shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.app { max-width: 780px; margin: 0 auto; padding: 24px 16px 60px; }

/* Header */
.app-header { text-align: center; padding: 18px 0 8px; }
.app-header h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.3rem;
  color: var(--accent-deep);
  letter-spacing: 0.5px;
}
.tagline { color: var(--ink-soft); margin-top: 4px; font-size: 0.98rem; }

.date-settings {
  display: flex; gap: 18px; justify-content: center; flex-wrap: wrap;
  margin: 18px 0 6px; font-size: 0.85rem; color: var(--ink-soft);
}
.date-settings label { display: flex; flex-direction: column; gap: 4px; text-align: left; }
.date-settings .hint { font-size: 0.72rem; opacity: 0.8; }
.date-settings input {
  border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px;
  font-size: 0.9rem; background: var(--card); color: var(--ink);
}

.today-banner {
  margin: 14px auto 0; display: inline-block;
  background: var(--accent-soft); color: var(--accent-deep);
  border-radius: 999px; padding: 8px 20px; font-weight: 600; font-size: 0.95rem;
}

/* Tabs */
.mode-tabs {
  display: flex; gap: 8px; justify-content: center; margin: 26px 0 20px;
  flex-wrap: wrap;
}
.tab {
  border: 1px solid var(--line); background: var(--card); color: var(--ink-soft);
  border-radius: 999px; padding: 10px 22px; font-size: 1rem; cursor: pointer;
  transition: all 0.15s ease;
}
.tab:hover { border-color: var(--accent); color: var(--accent-deep); }
.tab.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: var(--shadow);
}

/* Stepper */
.stepper { display: flex; align-items: center; gap: 12px; justify-content: center; margin-bottom: 10px; }
.step-btn {
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line);
  background: var(--card); color: var(--accent-deep); font-size: 1.6rem; cursor: pointer;
  line-height: 1; transition: all 0.15s ease; flex-shrink: 0;
}
.step-btn:hover:not(:disabled) { background: var(--accent); color: #fff; border-color: var(--accent); }
.step-btn:disabled { opacity: 0.3; cursor: default; }
.step-label { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.step-label select {
  font-size: 1.05rem; font-weight: 600; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px;
  background: var(--card); cursor: pointer; max-width: 300px;
}
.jump-today {
  border: none; background: none; color: var(--accent); font-size: 0.8rem;
  cursor: pointer; text-decoration: underline; text-underline-offset: 3px;
}

.progress-track {
  height: 6px; background: var(--accent-soft); border-radius: 999px;
  margin: 8px auto 22px; max-width: 420px; overflow: hidden;
}
.progress-fill { height: 100%; background: var(--accent); border-radius: 999px; width: 0; transition: width 0.3s ease; }

/* Card */
.card {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 28px 26px; border: 1px solid var(--line);
}
.card h2 {
  font-family: Georgia, serif; font-size: 1.55rem; color: var(--accent-deep);
  margin-bottom: 2px;
}
.card .stage-line { color: var(--ink-soft); font-size: 0.92rem; margin-bottom: 18px; }

.size-box {
  display: flex; align-items: center; gap: 16px;
  background: var(--accent-soft); border-radius: 14px; padding: 14px 18px; margin-bottom: 20px;
}
.size-box .emoji { font-size: 2.2rem; }
.size-box .size-text strong { color: var(--accent-deep); }
.size-box .size-meta { font-size: 0.85rem; color: var(--ink-soft); }

.card h3 {
  font-size: 1.02rem; color: var(--accent-deep); margin: 20px 0 6px;
  display: flex; align-items: center; gap: 8px;
}
.card p { margin-bottom: 8px; font-size: 0.97rem; }
.card ul { padding-left: 22px; margin-bottom: 8px; }
.card li { margin-bottom: 5px; font-size: 0.95rem; }

/* Culture comparison */
.culture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 10px 0; }
@media (max-width: 560px) { .culture-grid { grid-template-columns: 1fr; } }
.culture-chip {
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px;
  font-size: 0.88rem; background: var(--bg);
}
.culture-chip .flag { font-weight: 700; color: var(--accent-deep); display: block; margin-bottom: 3px; font-size: 0.82rem; }

.recommendation {
  background: var(--good-soft); border-left: 4px solid var(--good);
  border-radius: 0 10px 10px 0; padding: 10px 14px; margin: 10px 0;
  font-size: 0.92rem;
}
.recommendation strong { color: var(--good); }

.cultural-note {
  background: var(--bg); border: 1px dashed var(--line); border-radius: 12px;
  padding: 10px 14px; margin: 8px 0; font-size: 0.9rem;
}
.cultural-note .flag { font-weight: 700; color: var(--gold); }

.sources { margin-top: 18px; font-size: 0.78rem; color: var(--ink-soft); }

/* Topics */
.topics-intro { text-align: center; color: var(--ink-soft); margin-bottom: 20px; font-size: 0.95rem; }
.topic-item {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 12px; overflow: hidden;
}
.topic-toggle {
  width: 100%; text-align: left; border: none; background: none; cursor: pointer;
  padding: 18px 22px; font-size: 1.05rem; font-weight: 600; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center;
  font-family: inherit;
}
.topic-toggle:hover { color: var(--accent-deep); }
.topic-toggle .chev { transition: transform 0.2s ease; color: var(--accent); }
.topic-item.open .chev { transform: rotate(90deg); }
.topic-body { padding: 0 22px 22px; display: none; }
.topic-item.open .topic-body { display: block; }

/* Sections in baby cards */
.baby-section { border-top: 1px solid var(--line); padding-top: 14px; margin-top: 14px; }
.baby-section:first-of-type { border-top: none; margin-top: 6px; padding-top: 0; }

/* Footer */
.app-footer { text-align: center; margin-top: 40px; color: var(--ink-soft); font-size: 0.85rem; }
.disclaimer { font-size: 0.75rem; margin-top: 8px; opacity: 0.8; max-width: 520px; margin-left: auto; margin-right: auto; }

.empty-state { text-align: center; color: var(--ink-soft); padding: 40px 20px; }