/* ============================================================
   birth-registration-timeline.css
   生育登记与待遇申领时序 · 日历便签风格
   孕育粉 #F472B6 + 新生绿 #34D399 + 深蓝 #1E3A8A 主色
   Design tokens（深主题覆盖在文末）
   ============================================================ */

.brt {
  --brt-pink: #f472b6;
  --brt-pink-deep: #db2777;
  --brt-pink-soft: #fce7f3;
  --brt-green: #34d399;
  --brt-green-deep: #059669;
  --brt-green-soft: #d1fae5;
  --brt-blue: #1e3a8a;
  --brt-blue-deep: #1e293b;
  --brt-blue-soft: #e0e7ff;
  --brt-red: #dc2626;
  --brt-red-soft: #fee2e2;
  --brt-yellow: #d97706;
  --brt-yellow-soft: #fef3c7;
  --brt-ink: #1f2937;
  --brt-ink-soft: #6b7280;
  --brt-line: #e5e7eb;
  --brt-bg: #fafbfc;
  --brt-card: #ffffff;
  --brt-shadow: 0 2px 12px rgba(30, 58, 138, 0.06), 0 1px 3px rgba(30, 58, 138, 0.04);
  --brt-shadow-lg: 0 20px 40px rgba(30, 58, 138, 0.10), 0 4px 16px rgba(30, 58, 138, 0.06);
  --brt-radius: 16px;
  --brt-radius-sm: 10px;
  --brt-paper: #fff9e6;
  --brt-paper-line: #f0e4b8;
}

.brt {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 20px 48px;
  color: var(--brt-ink);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--brt-bg);
  font-size: 14.5px;
  line-height: 1.7;
}

.brt-wrap { position: relative; z-index: 1; }

/* ========== Hero：孕育日历头部 ========== */
.brt-hero {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  padding: 48px 48px 40px;
  margin-bottom: 28px;
  background:
    radial-gradient(120% 140% at 15% 0%, #fce7f3 0%, transparent 55%),
    radial-gradient(100% 130% at 85% 100%, #d1fae5 0%, transparent 58%),
    linear-gradient(180deg, #fff 0%, #fafbfc 100%);
  border: 1px solid #e5e7eb;
  text-align: center;
}
.brt-hero::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 5px;
  background: linear-gradient(90deg, var(--brt-pink), var(--brt-green), var(--brt-blue));
  opacity: .9;
}
.brt-hero-badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 12px; font-weight: 700;
  color: var(--brt-blue);
  background: var(--brt-blue-soft);
  border-radius: 999px;
  margin-bottom: 16px;
  letter-spacing: .5px;
}
.brt-hero h1 {
  font-size: 30px; font-weight: 800;
  color: var(--brt-blue);
  margin: 0 0 12px;
  letter-spacing: .5px;
}
.brt-hero h1 i {
  font-style: normal;
  background: linear-gradient(90deg, var(--brt-pink), var(--brt-green));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brt-hero p {
  max-width: 720px;
  margin: 0 auto;
  color: var(--brt-ink-soft);
  font-size: 14px;
  line-height: 1.9;
}
.brt-hero p em {
  font-style: normal;
  font-weight: 700;
  color: var(--brt-pink-deep);
}
.brt-hero p em.green {
  color: var(--brt-green-deep);
}

/* ========== 卡片通用 ========== */
.brt-card {
  background: var(--brt-card);
  border-radius: var(--brt-radius);
  box-shadow: var(--brt-shadow);
  padding: 28px;
  margin-bottom: 24px;
  border: 1px solid var(--brt-line);
}
.brt-card h2 {
  font-size: 17px; font-weight: 800;
  color: var(--brt-blue);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px dashed var(--brt-line);
  display: flex; align-items: center; gap: 10px;
}
.brt-card h2 span {
  font-size: 12px; font-weight: 500;
  color: var(--brt-ink-soft);
  margin-left: auto;
}

/* ========== 输入表单 ========== */
.brt-field { margin-bottom: 20px; }
.brt-field-lab {
  display: block;
  font-size: 13px; font-weight: 700;
  color: var(--brt-ink);
  margin-bottom: 8px;
}
.brt-field-lab .brt-hint {
  font-size: 12px; font-weight: 400;
  color: var(--brt-ink-soft);
  margin-left: 6px;
}
.brt-input {
  width: 100%;
  max-width: 280px;
  padding: 10px 14px;
  font-size: 14px;
  border: 1.5px solid var(--brt-line);
  border-radius: var(--brt-radius-sm);
  background: #fff;
  color: var(--brt-ink);
  transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.brt-input:focus {
  outline: none;
  border-color: var(--brt-pink);
  box-shadow: 0 0 0 3px rgba(244, 114, 182, 0.15);
}
.brt-input.is-wide { max-width: 100%; }

.brt-row {
  display: flex; flex-wrap: wrap; gap: 16px;
  margin-bottom: 20px;
}
.brt-row .brt-field { margin-bottom: 0; flex: 1; min-width: 220px; }

/* 分段开关 */
.brt-seg {
  display: inline-flex; gap: 0;
  border: 1.5px solid var(--brt-line);
  border-radius: var(--brt-radius-sm);
  overflow: hidden;
  background: #fff;
}
.brt-seg-btn {
  padding: 10px 20px;
  font-size: 13px; font-weight: 600;
  background: #fff;
  cursor: pointer;
  border: none;
  border-right: 1.5px solid var(--brt-line);
  transition: all .2s;
  color: var(--brt-ink);
  font-family: inherit;
}
.brt-seg-btn:last-child { border-right: none; }
.brt-seg-btn.active {
  background: var(--brt-pink);
  color: #fff;
}
.brt-seg-btn input[type="radio"] { display: none; }

/* 按钮 */
.brt-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 11px 24px;
  font-size: 14px; font-weight: 700;
  border-radius: var(--brt-radius-sm);
  border: none;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
  white-space: nowrap;
}
.brt-btn-go {
  background: linear-gradient(135deg, var(--brt-pink), var(--brt-green));
  color: #fff;
  box-shadow: 0 4px 14px rgba(244, 114, 182, 0.35);
}
.brt-btn-go:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(244, 114, 182, 0.45); }
.brt-btn-ghost {
  background: #fff;
  color: var(--brt-blue);
  border: 1.5px solid var(--brt-blue-soft);
}
.brt-btn-ghost:hover { background: var(--brt-blue-soft); }
.brt-btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ========== 时间线横条 ========== */
.brt-timeline-wrap {
  overflow-x: auto;
  padding: 10px 4px 20px;
  margin: 0 -4px;
}
.brt-timeline {
  display: flex;
  gap: 14px;
  min-width: 1180px;
  padding: 16px 4px;
  position: relative;
}
.brt-timeline::before {
  content: "";
  position: absolute;
  top: 78px;
  left: 16px;
  right: 16px;
  height: 3px;
  background: linear-gradient(90deg, var(--brt-pink-soft), var(--brt-green-soft), var(--brt-blue-soft));
  border-radius: 2px;
}
.brt-day {
  flex: 0 0 160px;
  position: relative;
  text-align: center;
}
.brt-day-dot {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--brt-pink);
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800;
  margin-bottom: 10px;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 0 4px var(--brt-pink-soft);
}
.brt-day.green .brt-day-dot { background: var(--brt-green); box-shadow: 0 0 0 4px var(--brt-green-soft); }
.brt-day.blue .brt-day-dot { background: var(--brt-blue); box-shadow: 0 0 0 4px var(--brt-blue-soft); }
.brt-day-label {
  font-size: 12px; font-weight: 700;
  color: var(--brt-ink-soft);
  margin-bottom: 4px;
}
.brt-day-label b { color: var(--brt-ink); font-size: 13px; }

/* ========== 事项便签卡片 ========== */
.brt-sticky-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}
.brt-sticky {
  position: relative;
  padding: 22px 22px 18px;
  border-radius: 4px 18px 4px 18px;
  background: var(--brt-paper);
  box-shadow:
    0 4px 14px rgba(120, 100, 0, 0.08),
    0 1px 4px rgba(120, 100, 0, 0.04);
  border: 1px solid var(--brt-paper-line);
  border-top: 4px solid var(--brt-pink);
  transition: transform .2s, box-shadow .2s;
}
.brt-sticky:hover {
  transform: translateY(-3px) rotate(-0.5deg);
  box-shadow: 0 8px 24px rgba(120, 100, 0, 0.15);
}
.brt-sticky.green { border-top-color: var(--brt-green); }
.brt-sticky.blue { border-top-color: var(--brt-blue); }
.brt-sticky.red { border-top-color: var(--brt-red); }

/* 便签日期标签（左上角角标） */
.brt-sticky-tag {
  position: absolute;
  top: 10px; right: 12px;
  font-size: 11px; font-weight: 700;
  color: var(--brt-ink-soft);
  background: rgba(255, 255, 255, 0.7);
  padding: 3px 8px;
  border-radius: 999px;
}

/* 倒计时 */
.brt-countdown {
  display: flex; align-items: baseline; gap: 8px;
  margin-bottom: 10px;
}
.brt-countdown-num {
  font-size: 28px; font-weight: 800;
  line-height: 1;
}
.brt-countdown-num.safe { color: var(--brt-green-deep); }
.brt-countdown-num.warn { color: var(--brt-yellow); }
.brt-countdown-num.danger { color: var(--brt-red); }
.brt-countdown-num.done { color: var(--brt-ink-soft); }
.brt-countdown-unit {
  font-size: 12px; font-weight: 600;
  color: var(--brt-ink-soft);
}
.brt-status-dot {
  width: 10px; height: 10px; border-radius: 50%;
  flex-shrink: 0;
}
.brt-status-dot.safe { background: var(--brt-green); box-shadow: 0 0 8px rgba(52, 211, 153, 0.5); }
.brt-status-dot.warn { background: var(--brt-yellow); box-shadow: 0 0 8px rgba(217, 119, 6, 0.5); }
.brt-status-dot.danger { background: var(--brt-red); box-shadow: 0 0 8px rgba(220, 38, 38, 0.5); }
.brt-status-dot.done { background: var(--brt-ink-soft); }

.brt-item-name {
  font-size: 16px; font-weight: 800;
  color: var(--brt-blue);
  margin-bottom: 6px;
}
.brt-item-desc {
  font-size: 12.5px;
  color: var(--brt-ink-soft);
  margin-bottom: 12px;
  line-height: 1.6;
}

/* 折叠材料清单 */
.brt-collapse { margin-top: 8px; }
.brt-collapse-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  font-size: 12px; font-weight: 700;
  color: var(--brt-blue);
  background: var(--brt-blue-soft);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
}
.brt-collapse-toggle:hover { background: #d1dbff; }
.brt-collapse-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease-out, padding .3s;
  padding: 0;
}
.brt-collapse.open .brt-collapse-body {
  max-height: 500px;
  padding: 10px 0 4px;
}
.brt-docs-list {
  margin: 0; padding: 0 0 0 18px;
  font-size: 12.5px;
  color: var(--brt-ink);
}
.brt-docs-list li { margin-bottom: 4px; line-height: 1.6; }

/* 逾期后果 */
.brt-risk {
  margin-top: 10px;
  padding: 10px 14px;
  background: var(--brt-red-soft);
  border-radius: var(--brt-radius-sm);
  border-left: 3px solid var(--brt-red);
  font-size: 12.5px;
  color: #7f1d1d;
  line-height: 1.6;
}
.brt-risk b { color: var(--brt-red); }

/* 空态 */
.brt-summary-ph {
  text-align: center;
  padding: 40px 20px;
  color: var(--brt-ink-soft);
}
.brt-summary-ph-icon {
  font-size: 48px;
  margin-bottom: 14px;
}
.brt-summary-ph p { margin: 0; font-size: 13px; line-height: 1.8; max-width: 480px; margin: 0 auto; }

/* ========== 状态统计条 ========== */
.brt-stats {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 22px;
}
.brt-stat {
  flex: 1; min-width: 140px;
  padding: 14px 18px;
  border-radius: var(--brt-radius-sm);
  background: #fff;
  border: 1px solid var(--brt-line);
  box-shadow: var(--brt-shadow);
}
.brt-stat-num {
  font-size: 28px; font-weight: 800;
  line-height: 1.2;
}
.brt-stat-label {
  font-size: 12px; font-weight: 600;
  color: var(--brt-ink-soft);
  margin-top: 2px;
}
.brt-stat.safe .brt-stat-num { color: var(--brt-green-deep); }
.brt-stat.warn .brt-stat-num { color: var(--brt-yellow); }
.brt-stat.danger .brt-stat-num { color: var(--brt-red); }
.brt-stat.done .brt-stat-num { color: var(--brt-ink-soft); }

/* ========== 导出按钮组 ========== */
.brt-action-bar {
  display: flex; flex-wrap: wrap; gap: 12px;
  padding-top: 8px;
}

/* ========== 免责声明 ========== */
.brt-disclaimer {
  padding: 18px 22px;
  border-radius: var(--brt-radius-sm);
  background: #fffbeb;
  border: 1px solid #fde68a;
  font-size: 12.5px;
  color: #78350f;
  line-height: 1.8;
}
.brt-disclaimer b { color: var(--brt-yellow); }

/* ========== 打印样式 ========== */
@media print {
  .brt { background: #fff; padding: 0; }
  .brt-card, .brt-disclaimer { box-shadow: none; border: 1px solid #ccc; page-break-inside: avoid; }
  .brt-btn, .brt-action-bar, .brt-hero::before { display: none !important; }
  .brt-sticky-list { grid-template-columns: repeat(2, 1fr); }
  .brt-sticky { page-break-inside: avoid; transform: none; box-shadow: none; }
}

/* ========== 深主题覆盖 ========== */
:root[data-theme="dark"] .brt,
[data-theme="dark"] .brt {
  --brt-ink: #e5e7eb;
  --brt-ink-soft: #9ca3af;
  --brt-line: #374151;
  --brt-bg: #0f172a;
  --brt-card: #1e293b;
  --brt-paper: #1a2535;
  --brt-paper-line: #334155;
  --brt-blue-soft: #1e3a5f;
  background: var(--brt-bg);
}
:root[data-theme="dark"] .brt-hero,
[data-theme="dark"] .brt-hero {
  background:
    radial-gradient(120% 140% at 15% 0%, rgba(244, 114, 182, 0.15) 0%, transparent 55%),
    radial-gradient(100% 130% at 85% 100%, rgba(52, 211, 153, 0.15) 0%, transparent 58%),
    linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
  border-color: #374151;
}
:root[data-theme="dark"] .brt-hero h1,
[data-theme="dark"] .brt-hero h1 {
  color: #60a5fa;
}
:root[data-theme="dark"] .brt-sticky,
[data-theme="dark"] .brt-sticky {
  background: var(--brt-paper);
  box-shadow: 0 4px 14px rgba(0,0,0,0.3);
}
:root[data-theme="dark"] .brt-input,
[data-theme="dark"] .brt-input {
  background: #0f172a;
  color: #e5e7eb;
  border-color: #374151;
}
:root[data-theme="dark"] .brt-seg,
[data-theme="dark"] .brt-seg {
  background: #0f172a;
  border-color: #374151;
}
:root[data-theme="dark"] .brt-seg-btn,
[data-theme="dark"] .brt-seg-btn {
  background: transparent;
  color: #e5e7eb;
  border-color: #374151;
}
:root[data-theme="dark"] .brt-seg-btn.active,
[data-theme="dark"] .brt-seg-btn.active {
  background: var(--brt-pink);
  color: #fff;
}
:root[data-theme="dark"] .brt-btn-ghost,
[data-theme="dark"] .brt-btn-ghost {
  background: transparent;
  color: #60a5fa;
  border-color: #1e3a5f;
}
:root[data-theme="dark"] .brt-btn-ghost:hover,
[data-theme="dark"] .brt-btn-ghost:hover {
  background: #1e3a5f;
}
:root[data-theme="dark"] .brt-disclaimer,
[data-theme="dark"] .brt-disclaimer {
  background: #1a2535;
  border-color: #78350f;
  color: #fbbf24;
}
:root[data-theme="dark"] .brt-collapse-toggle,
[data-theme="dark"] .brt-collapse-toggle {
  background: var(--brt-blue-soft);
  color: #60a5fa;
}
:root[data-theme="dark"] .brt-sticky-tag,
[data-theme="dark"] .brt-sticky-tag {
  background: rgba(0,0,0,0.4);
}

/* 响应式 */
@media (max-width: 640px) {
  .brt { padding: 16px 12px 32px; }
  .brt-hero { padding: 32px 20px 26px; }
  .brt-hero h1 { font-size: 22px; }
  .brt-card { padding: 20px 16px; }
  .brt-row { flex-direction: column; }
  .brt-sticky-list { grid-template-columns: 1fr; }
  .brt-stats { flex-direction: column; }
}