/* ============================================
   元炁源流 · 健康自檢系統 UI
   主色：深森林綠 #2d5a3d / 米白 #fafaf7
   ============================================ */

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --green-dark: #2d5a3d;
  --green-mid: #3e7a54;
  --green-light: #e8f0e8;
  --green-pill: #c8e0cc;
  --gold: #b8965a;
  --bg: #fafaf7;
  --bg-card: #ffffff;
  --text: #2c2c2c;
  --text-soft: #5a5a5a;
  --text-mute: #999;
  --danger: #b94a48;
  --border: #e2e2dc;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --radius: 8px;
  --radius-lg: 12px;
  --serif: "Noto Serif SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
}

/* ===== Layout ===== */
.app { max-width: 760px; margin: 0 auto; padding: 28px 20px 60px; }
.admin-app { max-width: 960px; }

/* ===== Header ===== */
.header { text-align: center; padding: 8px 0 20px; }
.header h1 {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--green-dark);
  letter-spacing: 2px;
  font-weight: 600;
}
.header .subtitle {
  color: var(--text-soft);
  font-size: 0.88rem;
  margin-top: 4px;
  letter-spacing: 1px;
}
.header hr {
  margin: 14px 0 0;
  border: none;
  border-top: 1px solid var(--border);
}

/* ===== Section ===== */
.section { margin-bottom: 28px; }
.section h2 {
  font-family: var(--serif);
  font-size: 1.08rem;
  color: var(--green-dark);
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--green-dark);
  letter-spacing: 1px;
}

/* ===== Form Grid ===== */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; }
.field { display: flex; flex-direction: column; }
.field.full { grid-column: 1 / -1; }
.field label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-soft);
  margin-bottom: 3px;
}
.field input,
.field textarea,
.field select {
  font-family: var(--sans);
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  background: var(--bg-card);
  color: var(--text);
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--green-dark);
  box-shadow: 0 0 0 3px rgba(45,90,61,.12);
}
.field textarea { min-height: 64px; resize: vertical; }
.radio-group { display: flex; gap: 18px; padding: 8px 0; }
.radio-group label {
  font-size: 0.95rem;
  color: var(--text);
  display: flex; align-items: center; gap: 6px;
  cursor: pointer;
}
.radio-group input[type=radio] { accent-color: var(--green-dark); }

/* ===== Symptom Area ===== */
.select-all-row {
  display: flex; gap: 8px; align-items: center;
  margin-bottom: 12px; flex-wrap: wrap;
}
.btn-mini {
  padding: 5px 14px;
  border: 1px solid var(--green-dark);
  background: transparent;
  color: var(--green-dark);
  border-radius: 20px;
  font-size: 0.82rem;
  cursor: pointer;
  font-family: var(--sans);
  transition: all .2s;
}
.btn-mini:hover { background: var(--green-dark); color: #fff; }
.counter { margin-left: auto; font-size: 0.85rem; color: var(--text-soft); }
.counter strong { color: var(--green-dark); font-weight: 600; }

/* Pill-style checkbox grid */
.symptom-grid {
  display: flex; flex-wrap: wrap; gap: 6px;
  max-height: 420px; overflow-y: auto;
  border: 1px solid var(--border);
  background: var(--bg-card);
  padding: 12px;
  border-radius: var(--radius-lg);
}
.symptom-item {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--text-soft);
  background: var(--bg);
  cursor: pointer;
  user-select: none;
  transition: all .15s;
}
.symptom-item:hover { border-color: var(--green-mid); color: var(--green-dark); }
.symptom-item input { display: none; }
.symptom-item.checked {
  background: var(--green-dark);
  color: #fff;
  border-color: var(--green-dark);
  font-weight: 500;
}
.symptom-item.checked::before { content: "✓ "; font-weight: 700; }

/* 補充症狀區 */
.extra-symptom {
  margin-top: 12px;
  border: 1px dashed var(--green-pill);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  background: var(--green-light);
}
.extra-symptom .extra-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: none;
  color: var(--green-dark); font-weight: 500;
  font-size: 0.9rem; cursor: pointer;
  font-family: var(--sans);
}
.extra-symptom .extra-toggle .plus {
  display: inline-block; width: 20px; height: 20px;
  border-radius: 50%; background: var(--green-dark); color: #fff;
  text-align: center; line-height: 20px; font-size: 14px;
}
.extra-symptom textarea {
  width: 100%; margin-top: 10px; min-height: 72px;
  padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-family: var(--sans);
  font-size: 0.9rem; resize: vertical; display: none;
}
.extra-symptom.open textarea { display: block; }
.extra-symptom.open .extra-toggle .plus::after { content: "−"; }
.extra-symptom .extra-toggle .plus::after { content: "+"; }

/* ===== Buttons ===== */
.submit-btn {
  width: 100%; padding: 14px;
  background: var(--green-dark); color: #fff;
  border: none; border-radius: var(--radius-lg);
  font-size: 1.05rem; font-family: var(--serif);
  letter-spacing: 2px; cursor: pointer;
  transition: background .2s, transform .1s;
  margin-top: 8px;
}
.submit-btn:hover { background: #234830; }
.submit-btn:active { transform: translateY(1px); }

.btn {
  display: inline-block; text-align: center;
  padding: 10px 18px;
  background: var(--green-dark); color: #fff;
  text-decoration: none; border-radius: var(--radius);
  font-size: 0.92rem; font-family: var(--sans);
  border: none; cursor: pointer;
  transition: background .2s;
}
.btn:hover { background: #234830; }
.btn-secondary { background: var(--text-mute); }
.btn-secondary:hover { background: #777; }

.actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

/* ===== Card ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.card h2 { color: var(--green-dark); margin-bottom: 10px; font-family: var(--serif); }
.card h3 { color: var(--green-mid); margin: 12px 0 6px; font-size: 0.95rem; }

/* ===== KV list ===== */
.kv { list-style: none; }
.kv li { padding: 3px 0; border-bottom: 1px dashed var(--border); font-size: 0.9rem; }
.kv li strong { color: var(--green-dark); margin-right: 6px; }

/* ===== Dimension list (admin) ===== */
.dim-list { list-style: none; }
.dim-list li {
  display: grid; grid-template-columns: 110px 1fr 44px;
  gap: 8px; align-items: center; padding: 5px 0;
  font-size: 0.88rem;
}
.bar-bg { background: #eee; border-radius: 4px; height: 10px; overflow: hidden; }
.bar-fill { background: linear-gradient(90deg, #6db389, var(--green-dark)); height: 100%; border-radius: 4px; }
.dim-score { text-align: right; font-weight: 600; color: var(--green-dark); }

/* ===== Two-col result ===== */
.two-col { display: grid; grid-template-columns: 1fr auto; gap: 4px 18px; }
.item-name { font-size: 0.88rem; color: var(--text); }
.item-val { font-size: 0.88rem; color: var(--danger); font-weight: 600; text-align: right; }

/* ===== Symptom tags (admin detail) ===== */
.symptom-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tag {
  background: var(--green-light); border: 1px solid var(--green-pill);
  border-radius: 12px; padding: 2px 10px; font-size: 0.78rem;
  color: var(--green-dark);
}
.tag.off { background: #f0f0ec; border-color: #ddd; color: #bbb; }

/* ===== Admin table ===== */
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th { background: var(--green-dark); color: #fff; padding: 8px 10px; text-align: left; }
.admin-table td { padding: 7px 10px; border-bottom: 1px solid var(--border); }
.admin-table tr:hover { background: var(--green-light); }

/* ===== Reason details ===== */
.reason-item { margin-bottom: 4px; }
.reason-item summary {
  cursor: pointer; padding: 5px 8px;
  background: var(--green-light); border-radius: 4px; font-size: 0.84rem;
  color: var(--green-dark);
}
.reason-text {
  white-space: pre-wrap; font-size: 0.78rem; color: #555;
  padding: 8px 10px; background: #f7faf7; border-radius: 4px; margin-top: 3px;
}

/* ===== Caution card ===== */
.caution-card { background: #fdf6ec; border-color: #f0d68a; }
.caution-card h2 { color: #b7791f; }
.caution-card li { color: #975a16; }

/* ===== Thank You ===== */
.thank-you-card { text-align: center; max-width: 420px; margin: 50px auto; padding: 36px 28px; }
.check-icon { font-size: 3.5rem; margin-bottom: 12px; }
.thank-you-card h1 { font-family: var(--serif); color: var(--green-dark); margin-bottom: 8px; }
.thank-you-card .lead { font-size: 1.05rem; margin-bottom: 16px; }
.thank-you-card hr { margin: 18px 0; border: none; border-top: 1px solid var(--border); }
.highlight { font-weight: 600; margin-top: 16px; color: var(--text); }
.wechat-box {
  background: #fffbe6; border: 2px solid var(--gold);
  border-radius: var(--radius-lg); padding: 18px; margin: 16px 0;
}
.wechat-label { display: block; font-size: 0.82rem; color: var(--text-soft); }
.wechat-id {
  display: block; font-size: 1.8rem; font-weight: 700;
  color: var(--green-dark); letter-spacing: 3px; margin-top: 4px;
}
.thank-you-card .small { font-size: 0.8rem; color: #888; margin-top: 10px; }

/* ===== Login ===== */
.login-card { max-width: 360px; margin: 60px auto; padding: 28px; }
.login-card h1 { text-align: center; margin-bottom: 18px; font-family: var(--serif); }
.error { color: var(--danger); font-size: 0.85rem; margin-top: 8px; text-align: center; }

/* ===== Detail blocks (admin result) ===== */
.detail-block { margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.detail-block h3 { color: var(--green-dark); margin-bottom: 8px; font-size: 1rem; font-family: var(--serif); }

/* ===== 320 Symptom Grid (亮燈表格) ===== */
.symptom-light-table {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
  margin-bottom: 16px;
}
.symptom-cell {
  font-size: 0.76rem;
  padding: 5px 8px;
  border-radius: 4px;
  text-align: center;
  border: 1px solid var(--border);
  background: #f3f3ee;
  color: #bbb;
  transition: all .15s;
}
.symptom-cell.on {
  background: var(--green-dark);
  color: #fff;
  border-color: var(--green-dark);
  font-weight: 500;
}
.symptom-cell.on::after { content: " ●"; color: #8eff8e; font-size: 0.7rem; }

/* ===== Save image button ===== */
.save-btn {
  position: fixed; right: 20px; bottom: 20px;
  z-index: 999;
  background: var(--green-dark); color: #fff;
  border: none; border-radius: 30px;
  padding: 12px 22px; font-size: 0.92rem;
  font-family: var(--sans); cursor: pointer;
  box-shadow: 0 4px 12px rgba(45,90,61,.4);
  display: flex; align-items: center; gap: 6px;
  transition: background .2s;
}
.save-btn:hover { background: #234830; }
.save-btn.hidden { display: none; }

/* ===== Print / PDF ===== */
@media print {
  body { background: #fff; }
  .app { max-width: 100%; padding: 0; }
  .save-btn, .actions, .admin-actions, #logoutBtn { display: none !important; }
  .card { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
  .symptom-cell { font-size: 9pt; padding: 3px 5px; }
  .header { break-after: avoid; }
  @page { size: A4; margin: 12mm; }
}

/* ===== Responsive ===== */
@media (max-width: 600px) {
  .grid-2 { grid-template-columns: 1fr; }
  .symptom-grid { max-height: 320px; }
  .symptom-light-table { grid-template-columns: repeat(3, 1fr); }
  .dim-list li { grid-template-columns: 90px 1fr 36px; }
  .two-col { grid-template-columns: 1fr; }
  .item-val { text-align: left; }
  .save-btn { right: 10px; bottom: 10px; padding: 10px 16px; font-size: 0.85rem; }
}