/* ===== 全局样式 ===== */
:root {
  --primary: #3b82f6; --primary-dark: #6366f1; --bg: #f0f4ff;
  --card-bg: #fff; --text: #333; --text2: #666; --muted: #999;
  --border: #f0f0f0; --gradient: linear-gradient(135deg, #3b82f6, #6366f1);
  --radius: 12px; --shadow: 0 2px 8px rgba(0,0,0,0.06);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif; font-size:14px; color:var(--text); background:var(--bg); max-width:750px; margin:0 auto; min-height:100vh; }
.app-header { background:linear-gradient(135deg,#60a5fa,#818cf8); padding:14px 16px; color:#fff; position:sticky; top:0; z-index:50; }
.header-title { font-size:17px; font-weight:600; text-align:center; }
.main-content { padding-bottom:20px; min-height:calc(100vh - 48px); }
.card { background:var(--card-bg); border-radius:14px; margin:10px; padding:12px; box-shadow:var(--shadow); }
.btn-primary { background:var(--gradient); color:#fff; border:none; border-radius:24px; font-size:14px; font-weight:500; padding:10px 24px; cursor:pointer; text-align:center; }
.btn-primary:active { opacity:0.85; }
.btn-outline { background:#fff; color:var(--primary); border:1px solid var(--primary); border-radius:24px; font-size:13px; padding:8px 18px; cursor:pointer; }
.empty-state { display:flex; flex-direction:column; align-items:center; padding:60px 20px; }
.empty-icon { font-size:50px; margin-bottom:10px; opacity:0.3; }
.empty-text { font-size:15px; color:#666; margin-bottom:6px; }
.empty-sub { font-size:12px; color:#999; margin-bottom:20px; }
.loading { text-align:center; padding:30px; color:#999; }

/* ===== 宝宝信息卡 ===== */
.baby-card { background:linear-gradient(135deg,#60a5fa,#818cf8); padding:20px 15px; color:#fff; }
.baby-header { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.baby-header-left { display:flex; align-items:center; flex:1; min-width:0; }
.baby-avatar { width:70px; height:70px; border-radius:12px; background:rgba(255,255,255,0.2); display:flex; align-items:center; justify-content:center; font-size:36px; margin-right:14px; flex-shrink:0; overflow:hidden; cursor:pointer; }
.baby-avatar img { width:100%; height:100%; object-fit:cover; }
.baby-info { flex:1; min-width:0; }
.baby-name-row { display:flex; align-items:center; gap:8px; }
.baby-name { font-size:18px; font-weight:600; }
.baby-meta { display:block; font-size:12px; opacity:0.85; margin-top:4px; }
.baby-header-right { flex-shrink:0; display:flex; flex-direction:column; align-items:flex-end; gap:6px; }
.last-records { display:flex; flex-direction:column; align-items:flex-end; gap:6px; }
.last-record-tag { font-size:14px; color:#fff; background:rgba(245,158,11,0.85); border:1px solid rgba(255,255,255,0.25); padding:4px 10px; border-radius:14px; white-space:nowrap; font-weight:600; }
.baby-edit { padding:4px 12px; border:1px solid rgba(255,255,255,0.6); border-radius:16px; font-size:12px; cursor:pointer; opacity:0.9; background:none; color:#fff; flex-shrink:0; }
.baby-trend { margin-left:auto; flex-shrink:0; padding:4px 12px; border:1px solid var(--primary); border-radius:16px; font-size:12px; cursor:pointer; background:none; color:var(--primary); }

/* ===== 今日总览 ===== */
.stats-card { margin:10px; padding:12px; }
.stats-date { display:flex; align-items:baseline; margin-bottom:12px; flex-wrap:wrap; }
.date-main { font-size:16px; font-weight:600; color:#333; margin-right:8px; }
.date-week { font-size:12px; color:#999; }
.stats-grid { display:flex; justify-content:space-between; }
.stat-item { flex:1; display:flex; flex-direction:column; align-items:center; padding:8px 0; border-radius:10px; cursor:pointer; transition:background 0.2s; }
.stat-item:active { background:#f0f4ff; }
.stat-icon { font-size:24px; margin-bottom:6px; height:28px; display:flex; align-items:center; justify-content:center; }
.stat-icon img { width:28px; height:28px; }
.stat-value { display:flex; align-items:baseline; margin-bottom:2px; }
.stat-num { font-size:22px; font-weight:700; color:var(--primary); line-height:1.1; }
.stat-unit { font-size:11px; color:#999; margin-left:2px; }
.stat-label { font-size:12px; color:#666; margin-bottom:2px; }
.stat-detail { font-size:11px; color:#999; }
.stats-tip { margin-top:8px; padding:6px 10px; background:#eff6ff; border-radius:8px; font-size:12px; color:var(--primary); }

/* ===== 随手记 ===== */
.quick-record { margin:10px; padding:12px; }
.section-title { display:block; font-size:15px; font-weight:600; color:#333; margin-bottom:10px; }
.quick-btns { display:flex; gap:10px; }
.quick-btn { flex:1; display:flex; flex-direction:column; align-items:center; padding:12px 0; border-radius:10px; cursor:pointer; transition:all 0.2s; }
.quick-btn:active { transform:scale(0.96); }
.quick-btn.feeding { background:#fff7e6; }
.quick-btn.diaper { background:#e6f7ff; }
.quick-btn.sleep { background:#f9f0ff; }
.quick-icon { font-size:26px; margin-bottom:6px; height:30px; display:flex; align-items:center; }
.quick-icon img { width:30px; height:30px; }
.quick-label { font-size:13px; color:#333; font-weight:500; }

/* ===== 日期切换 ===== */
.date-switch { margin:10px; padding:8px 12px; display:flex; align-items:center; justify-content:space-between; }
.date-prev,.date-next { width:36px; height:36px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:22px; color:#666; background:#f5f5f5; cursor:pointer; border:none; }
.date-prev:active,.date-next:active { background:#e5e7eb; }
.date-center { display:flex; flex-direction:column; align-items:center; cursor:pointer; }
.date-center-text { font-size:15px; font-weight:600; color:#333; }
.date-center-sub { font-size:10px; color:var(--primary); margin-top:2px; }

/* ===== 时间轴 ===== */
.record-list { padding:0 10px; }
.timeline-item { display:flex; margin-bottom:8px; padding:12px; cursor:pointer; }
.timeline-dot { width:10px; height:10px; border-radius:50%; margin-top:5px; margin-right:10px; flex-shrink:0; position:relative; }
.timeline-dot::after { content:''; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:20px; height:20px; border-radius:50%; border:1px solid; opacity:0.3; }
.timeline-dot.feeding { background:#fa8c16; } .timeline-dot.feeding::after { border-color:#fa8c16; }
.timeline-dot.diaper { background:#1890ff; } .timeline-dot.diaper::after { border-color:#1890ff; }
.timeline-dot.sleep { background:#722ed1; } .timeline-dot.sleep::after { border-color:#722ed1; }
.timeline-content { flex:1; min-width:0; }
.timeline-header { display:flex; align-items:center; justify-content:space-between; }
.timeline-left { display:flex; align-items:center; }
.timeline-right { display:flex; align-items:center; gap:8px; }
.timeline-time { font-size:18px; font-weight:600; color:#333; }
.timeline-type { font-size:11px; padding:2px 8px; border-radius:10px; }
.timeline-type.feeding { background:#fff7e6; color:#fa8c16; }
.timeline-type.diaper { background:#e6f7ff; color:#1890ff; }
.timeline-type.sleep { background:#f9f0ff; color:#722ed1; }
.timeline-since { display:flex; flex-direction:column; align-items:center; }
.timeline-since-label { font-size:11px; color:#333; white-space:nowrap; }
.timeline-since-value { font-size:14px; color:#333; font-weight:600; }
.timeline-body { display:flex; align-items:center; justify-content:space-between; margin-top:4px; }
.timeline-detail { flex:1; display:flex; flex-wrap:wrap; gap:4px 8px; }
.detail-text { font-size:13px; color:#666; display:inline-flex; align-items:center; }
.diaper-dirty-tag { display:inline-block; margin-left:4px; padding:1px 6px; background:#fff3e0; color:#e65100; font-size:11px; border-radius:4px; font-weight:600; }
.action-del { font-size:11px; color:#999; padding:3px 10px; cursor:pointer; flex-shrink:0; border:none; background:none; }
.action-del:hover { color:#f5222d; }

/* ===== Modal ===== */
.modal-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.5); z-index:200; }
.modal-panel { position:fixed; left:50%; bottom:0; transform:translateX(-50%); width:100%; max-width:750px; background:#fff; border-radius:20px 20px 0 0; z-index:201; padding:16px 15px; padding-bottom:calc(16px + env(safe-area-inset-bottom)); max-height:85vh; display:flex; flex-direction:column; animation:slideUp 0.3s ease; }
@keyframes slideUp { from{transform:translateX(-50%) translateY(100%)} to{transform:translateX(-50%) translateY(0)} }
.modal-title { display:flex; align-items:center; justify-content:space-between; font-size:16px; font-weight:600; color:#333; margin-bottom:16px; }
.modal-close { width:28px; height:28px; border-radius:50%; background:#f5f5f5; display:flex; align-items:center; justify-content:center; font-size:14px; color:#999; cursor:pointer; border:none; }
.modal-body { flex:1; overflow-y:auto; }
.modal-footer { margin-top:10px; display:flex; gap:12px; }
.modal-footer .btn-primary,.modal-footer .btn-outline { flex:1; text-align:center; padding:10px 0; }

/* ===== 表单 ===== */
.form-row { display:flex; align-items:center; margin-bottom:14px; }
.form-label { width:80px; flex-shrink:0; font-size:14px; color:#333; }
.form-input { flex:1; font-size:14px; padding:8px 10px; background:#f5f5f5; border:none; border-radius:8px; outline:none; min-width:0; }
.form-options { display:flex; gap:8px; flex-wrap:wrap; }
.option-tag { padding:5px 14px; border-radius:16px; font-size:13px; background:#f5f5f5; color:#666; border:1px solid transparent; cursor:pointer; transition:all 0.2s; }
.option-tag.active { background:#eff3ff; color:var(--primary); border-color:var(--primary); font-weight:500; }
.sleep-preview { margin-bottom:14px; padding:6px 10px; background:#f0f4ff; border-radius:8px; font-size:13px; color:var(--primary); }

/* 头像上传 */
.avatar-upload-wrap { display:flex; flex-direction:column; align-items:center; margin:0 auto 16px; }
.avatar-upload { width:80px; height:80px; border-radius:10px; background:#f0f4ff; display:flex; align-items:center; justify-content:center; overflow:hidden; cursor:pointer; }
.avatar-upload img { width:100%; height:100%; object-fit:cover; }
.avatar-upload-empty { display:flex; flex-direction:column; align-items:center; color:var(--primary); }
.avatar-upload-icon { font-size:28px; line-height:1; }
.avatar-upload-text { font-size:11px; margin-top:4px; }
.avatar-upload-tip { margin-top:8px; font-size:12px; color:#999; }

/* ===== 统计页 ===== */
.stats-page { padding:12px; }
.back-link { display:inline-flex; align-items:center; margin-bottom:12px; font-size:14px; color:var(--primary); cursor:pointer; }
.tab-bar-inner { display:flex; background:#fff; border-radius:14px; padding:4px; margin-bottom:12px; box-shadow:var(--shadow); }
.tab-inner { flex:1; text-align:center; font-size:13px; color:#666; padding:9px 0; border-radius:10px; cursor:pointer; transition:all 0.2s; }
.tab-inner.active { background:var(--gradient); color:#fff; font-weight:500; }
.custom-bar { background:#fff; border-radius:14px; padding:12px; margin-bottom:12px; box-shadow:var(--shadow); }
.custom-fields { display:flex; align-items:center; gap:8px; }
.custom-field { flex:1; }
.custom-label { display:block; font-size:11px; color:#999; margin-bottom:4px; }
.custom-value { font-size:13px; color:#333; padding:6px 8px; background:#f5f7fa; border-radius:8px; cursor:pointer; }
.custom-sep { font-size:12px; color:#999; }
.custom-apply { margin-top:10px; background:var(--gradient); color:#fff; text-align:center; padding:9px 0; border-radius:10px; font-size:13px; cursor:pointer; border:none; width:100%; }
.range-info { padding:12px; }
.range-info-row { display:flex; justify-content:space-between; padding:5px 0; font-size:13px; }
.range-info-row+.range-info-row { border-top:1px solid var(--border); }
.range-info-label { color:#999; }
.range-info-value { color:#333; font-weight:500; }
.summary-card { display:flex; align-items:center; justify-content:space-around; padding:16px 12px; }
.summary-item { flex:1; display:flex; flex-direction:column; align-items:center; gap:4px; }
.summary-icon { font-size:20px; }
.summary-icon img { width:24px; height:24px; }
.summary-num { font-size:20px; font-weight:600; color:#333; }
.summary-unit { font-size:11px; color:#999; margin-left:2px; font-weight:normal; }
.summary-label { font-size:12px; color:#999; margin-top:2px; }
.summary-divider { width:1px; height:40px; background:var(--border); }
.chart-card { padding:12px 10px 14px; }
.chart-title { display:flex; justify-content:space-between; align-items:center; font-size:14px; color:#333; font-weight:500; margin-bottom:12px; }
.chart-avg { font-size:11px; color:#999; font-weight:normal; }
.chart-bars { display:flex; align-items:flex-end; justify-content:space-between; height:140px; overflow-x:auto; }
.bar-col { flex:1; min-width:28px; display:flex; flex-direction:column; align-items:center; margin:0 2px; }
.bar-value { font-size:10px; color:#666; height:14px; line-height:14px; margin-bottom:2px; }
.bar-track { width:80%; height:100px; background:#f5f7fa; border-radius:8px; display:flex; align-items:flex-end; overflow:hidden; }
.bar-fill { width:100%; border-radius:8px; transition:height 0.3s; }
.bar-fill-feeding { background:linear-gradient(180deg,#fbbf24,#f59e0b); }
.bar-fill-count { background:linear-gradient(180deg,#60a5fa,#3b82f6); }
.bar-fill-diaper { background:linear-gradient(180deg,#34d399,#10b981); }
.bar-label { font-size:10px; color:#999; margin-top:4px; }
.footer-tip { text-align:center; color:#999; font-size:13px; padding:20px 0; }