:root{
  --primary:#2B7FFF;
  --primary-dark:#1B6FEF;
  --primary-soft:#EAF2FF;
  --primary-grad:linear-gradient(135deg,#4D94FF 0%,#2B7FFF 100%);
  --bg:#F5F7FA;
  --card:#FFFFFF;
  --text:#1A1F36;
  --text-2:#6B7280;
  --text-3:#9CA3AF;
  --line:#EEF0F4;
  --valid:#34C759;
  --warn:#FF3B30;
  --warn-bg:#FFF1F0;
  --yellow:#FFB320;
  --yellow-bg:#FFF8E8;
  --radius:16px;
  --tab-h:64px;
  --safe-b:env(safe-area-inset-bottom,0px);
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;}
html,body{height:100%;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;
  background:#DCE3EE;color:var(--text);
  display:flex;justify-content:center;
  overscroll-behavior:none;
}
#app{
  width:100%;max-width:440px;min-height:100vh;position:relative;
  background:var(--bg);display:flex;flex-direction:column;
  padding-top:env(safe-area-inset-top,0px);
  box-shadow:0 0 40px rgba(11,27,58,.12);
}
@media(min-width:480px){
  #app{margin:0 auto;min-height:100vh;border-radius:0;}
  body{align-items:stretch;}
}

/* ===== View / App bar ===== */
.view{flex:1;display:flex;flex-direction:column;min-height:0;}
.app-bar{
  height:54px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:#fff;border-bottom:1px solid var(--line);
}
.app-bar.plain{justify-content:space-between;}
.app-title{font-size:19px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:8px;}
.app-title.center{position:absolute;left:50%;transform:translateX(-50%);}
.app-bar .ghost-left,.app-bar .ghost-right{width:36px;}
.lang-btn{
  min-width:34px;height:24px;padding:0 8px;border-radius:12px;cursor:pointer;
  border:1px solid rgba(43,127,255,.35);background:rgba(43,127,255,.08);
  color:var(--primary);font-size:12px;font-weight:700;letter-spacing:.5px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent;
  transition:opacity .15s,background .15s;
}
.lang-btn:active{opacity:.6;}
.add-btn{
  width:44px;height:44px;border-radius:50%;border:none;background:var(--primary-grad);
  color:#fff;font-size:28px;font-weight:300;line-height:1;cursor:pointer;
  box-shadow:0 6px 16px rgba(43,127,255,.35);display:flex;align-items:center;justify-content:center;
}
.add-btn:active{transform:scale(.94);}
.more-btn{width:36px;height:36px;border:none;background:none;font-size:24px;color:var(--text-2);cursor:pointer;}

.scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:24px;}
.manage-scroll{padding:14px 16px 24px;}

/* ===== Home stat card ===== */
.stat-card{
  margin:14px 16px 0;padding:18px 22px;border-radius:20px;color:#fff;
  background:linear-gradient(135deg,#4D94FF 0%,#2B7FFF 60%,#1B6FEF 100%);
  box-shadow:0 10px 30px rgba(43,127,255,.28);position:relative;overflow:hidden;
}
.stat-card::before{content:"";position:absolute;right:-30px;top:-30px;width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.12);}
.stat-card::after{content:"";position:absolute;right:34px;bottom:-50px;width:90px;height:90px;border-radius:50%;background:rgba(255,255,255,.08);}
.stat-big{font-size:32px;font-weight:800;letter-spacing:-1px;position:relative;}
.stat-big small{font-size:14px;font-weight:500;opacity:.92;margin-left:6px;}
.stat-small{font-size:13px;opacity:.94;margin-top:6px;display:flex;align-items:center;gap:8px;position:relative;}
.stat-pill{background:rgba(255,255,255,.22);padding:2px 9px;border-radius:10px;font-size:11px;}

.section-title{padding:18px 20px 8px;font-size:12px;color:var(--text-3);font-weight:600;display:flex;justify-content:space-between;}
.list-sort{color:var(--primary);font-weight:700;}

/* ===== Record card ===== */
.record-card{
  margin:0 16px 10px;background:#fff;border-radius:var(--radius);
  box-shadow:0 2px 12px rgba(26,31,54,.05);position:relative;overflow:hidden;
}
.record-inner{transition:transform .25s;padding:16px;will-change:transform;}
.rc-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px;}
.rc-time{font-size:16px;font-weight:700;color:var(--text);}
.rc-valid{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text-2);}
.rc-dot{width:8px;height:8px;border-radius:50%;}
.rc-dot.on{background:var(--valid);}
.rc-dot.off{background:#D1D5DB;}
.rc-data{display:flex;align-items:baseline;gap:10px;margin-bottom:6px;}
.rc-bp{font-size:30px;font-weight:800;color:var(--text);letter-spacing:-1px;}
.rc-bp .slash{color:var(--text-3);font-weight:500;margin:0 1px;}
.rc-tag{font-size:12px;color:var(--text-2);background:var(--bg);padding:3px 8px;border-radius:6px;}
.rc-diff{font-size:12px;color:var(--text-3);display:flex;gap:14px;}
.rc-diff b{color:var(--text-2);font-weight:600;}
.rc-diff .pos{color:var(--warn);}
/* record inline action icons (修改/删除) in top-right, no separate row */
.rc-right{display:flex;align-items:center;gap:6px;}
.rc-ico{
  width:38px;min-height:44px;border-radius:9px;font-size:17px;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;display:flex;align-items:center;justify-content:center;
  -webkit-tap-highlight-color:transparent;transition:opacity .15s,background .15s;flex:none;
}
.rc-ico:active{opacity:.55;}
.rc-edit:active{background:rgba(43,127,255,.12);}
.rc-del:active{background:rgba(255,59,48,.12);}

/* skeleton */
.skeleton-card{margin:0 16px 10px;background:#fff;border-radius:var(--radius);padding:16px;box-shadow:0 2px 12px rgba(26,31,54,.05);}
.sk{background:linear-gradient(90deg,#EEF0F4 25%,#F5F7FA 37%,#EEF0F4 63%);background-size:400% 100%;border-radius:6px;animation:shimmer 1.2s infinite;}
.sk.l{height:14px;width:40%;} .sk.m{height:24px;width:32%;margin:10px 0;} .sk.s{height:12px;width:60%;}
@keyframes shimmer{0%{background-position:100% 0;}100%{background-position:-100% 0;}}

.list-end{text-align:center;color:var(--text-3);font-size:12px;padding:16px 0;}

.empty-state{margin:30px 24px;text-align:center;}
.empty-emoji{font-size:52px;margin-bottom:10px;}
.empty-msg{font-size:13px;color:var(--text-3);line-height:1.7;}
.empty-demo{margin-top:16px;border:1px solid var(--primary);color:var(--primary);background:#fff;border-radius:20px;padding:9px 18px;font-size:13px;font-weight:600;cursor:pointer;}

/* ===== Trend ===== */
.trend-tabs{display:flex;background:#fff;border-bottom:1px solid var(--line);}
.tt{flex:1;text-align:center;padding:14px 0;font-size:14px;font-weight:600;color:var(--text-3);position:relative;cursor:pointer;border:none;background:none;}
.tt.on{color:var(--primary);}
.tt.on::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:30px;height:3px;border-radius:2px;background:var(--primary);}
.filter-note{padding:11px 20px;font-size:12px;color:var(--text-2);background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:6px;}
.chart-area{flex:1;background:#fff;display:flex;flex-direction:column;min-height:0;padding:8px 8px 0;}
.chart-svg{width:100%;flex:1;min-height:240px;touch-action:none;}
.chart-float{
  position:absolute;top:14px;left:50%;transform:translateX(-50%);
  background:rgba(11,27,58,.92);color:#fff;padding:8px 14px;border-radius:10px;font-size:12px;z-index:5;
  display:flex;gap:10px;align-items:center;box-shadow:0 6px 20px rgba(11,27,58,.25);pointer-events:none;white-space:nowrap;
}
.chart-float::after{content:"";position:absolute;bottom:-5px;left:50%;transform:translateX(-50%) rotate(45deg);width:10px;height:10px;background:rgba(11,27,58,.92);}
.chart-float b{font-size:14px;color:#FFB320;}
.chart-legend{display:flex;gap:18px;justify-content:center;padding:8px 0 6px;font-size:11px;color:var(--text-2);}
.chart-legend .lg{display:flex;align-items:center;gap:5px;}
.lg-solid{width:9px;height:9px;border-radius:50%;background:var(--primary);}
.lg-hollow{width:9px;height:9px;border-radius:50%;border:1.5px solid #C8CDD6;background:#fff;}
.lg-bar{width:10px;height:10px;border-radius:2px;background:var(--primary);}
.add-ref{display:flex;justify-content:center;padding:4px 0 14px;}
.add-ref button{font-size:12px;color:var(--text-2);background:var(--bg);border:1px dashed #C8CDD6;padding:7px 16px;border-radius:16px;cursor:pointer;}

/* ===== Manage ===== */
.warn-card{background:var(--yellow-bg);border:1px solid #FFE6A8;border-radius:14px;padding:14px 16px;margin-bottom:14px;display:flex;align-items:center;gap:12px;}
.warn-ico{font-size:20px;}
.warn-txt{flex:1;font-size:13px;color:#8A6500;line-height:1.5;}
.warn-btn{font-size:12px;font-weight:700;color:#fff;background:var(--yellow);border:none;padding:7px 14px;border-radius:14px;white-space:nowrap;cursor:pointer;}
.func-card{background:#fff;border-radius:14px;box-shadow:0 2px 12px rgba(26,31,54,.05);margin-bottom:12px;overflow:hidden;}
.func-row{display:flex;align-items:center;gap:14px;padding:16px;width:100%;border:none;background:#fff;text-align:left;cursor:pointer;border-bottom:1px solid var(--line);}
.func-row:last-child{border-bottom:none;}
.func-row:active{background:#FAFBFC;}
.func-row.danger .t{color:var(--warn);}
.fico{width:40px;height:40px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.fc-blue{background:var(--primary-soft);} .fc-purple{background:#F3EEFF;} .fc-green{background:#E6F8EC;} .fc-orange{background:#FFF0E6;} .fc-red{background:#FFECEA;}
.ftxt{flex:1;}
.ftxt .t{font-size:15px;font-weight:600;color:var(--text);}
.ftxt .d{font-size:11px;color:var(--text-3);margin-top:2px;display:block;}
.farrow{color:var(--text-3);font-size:16px;}
.manage-foot{text-align:center;font-size:11px;color:var(--text-3);line-height:1.8;margin-top:8px;}

/* ===== Tab Bar ===== */
.tabbar{
  height:calc(var(--tab-h) + var(--safe-b));padding-bottom:var(--safe-b);
  background:rgba(255,255,255,.96);backdrop-filter:blur(20px);
  border-top:1px solid var(--line);display:flex;justify-content:space-around;
  align-items:flex-start;padding-top:8px;flex-shrink:0;
}
.tab{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;color:var(--text-3);font-weight:500;background:none;border:none;cursor:pointer;min-width:60px;padding-top:4px;}
.tab .ic{font-size:22px;line-height:1;}
.tab.active{color:var(--primary);}

/* ===== Modal Mask & Sheets ===== */
.modal-mask{position:absolute;inset:0;background:rgba(11,27,58,.45);z-index:100;display:flex;flex-direction:column;justify-content:flex-end;animation:fadein .2s;}
@keyframes fadein{from{opacity:0;}to{opacity:1;}}

.modal-sheet{
  background:var(--bg);border-radius:28px 28px 0 0;width:100%;
  display:flex;flex-direction:column;max-height:92%;
  box-shadow:0 -10px 40px rgba(11,27,58,.22);animation:sheetup .3s cubic-bezier(.2,.8,.2,1);
}
@keyframes sheetup{from{transform:translateY(100%);}to{transform:translateY(0);}}
.grab{width:40px;height:5px;border-radius:3px;background:#D1D5DB;margin:8px auto 0;}
.modal-top{display:flex;align-items:center;justify-content:space-between;padding:12px 18px 14px;}
.close-btn{width:34px;height:34px;border-radius:50%;border:none;background:#F0F2F5;color:var(--text-2);font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;}
.modal-title{font-size:17px;font-weight:700;}
.save-btn{font-size:16px;color:var(--primary);font-weight:700;background:none;border:none;cursor:pointer;padding:6px 4px;}
.save-btn:disabled{color:var(--text-3);}
.modal-body{flex:1;overflow-y:auto;padding:0 16px 16px;-webkit-overflow-scrolling:touch;}
.modal-safe{height:calc(20px + var(--safe-b));flex-shrink:0;}

.row-card{
  width:100%;background:#fff;border:none;border-radius:14px;padding:14px 16px;margin-bottom:12px;
  display:flex;align-items:center;justify-content:space-between;cursor:pointer;text-align:left;
}
.r-ico{font-size:20px;margin-right:12px;}
.r-txt{font-size:15px;font-weight:600;color:var(--text);flex:1;}
.r-txt small{display:block;font-size:11px;color:var(--text-3);font-weight:400;margin-top:1px;}
.r-arrow{color:var(--text-3);font-size:18px;}

.tip-bar{background:#EAF2FF;border-radius:12px;padding:11px 14px;margin-bottom:14px;display:flex;align-items:center;gap:9px;font-size:12.5px;color:#1B6FEF;line-height:1.5;}
.tip-bar .bulb{font-size:15px;flex-shrink:0;}

.arms{display:flex;gap:10px;margin-bottom:14px;}
.arm-col{flex:1;background:#fff;border-radius:14px;padding:14px 12px;}
.arm-col.left{border:1.5px solid var(--primary);}
.arm-col.right{border:1.5px solid var(--line);}
.arm-lab{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;padding:3px 10px;border-radius:10px;margin-bottom:12px;}
.arm-col.left .arm-lab{background:var(--primary);color:#fff;}
.arm-col.right .arm-lab{background:#F0F2F5;color:var(--text-2);}
.field{margin-bottom:12px;}
.field:last-child{margin-bottom:0;}
.flab{font-size:11px;color:var(--text-3);margin-bottom:4px;display:flex;justify-content:space-between;}
.inp{width:100%;border:none;border-bottom:1.5px solid var(--line);padding:4px 2px 6px;font-size:22px;font-weight:700;color:var(--text);background:none;}
.inp::placeholder{color:#C8CDD6;}
.arm-col.left .inp{border-bottom-color:var(--primary);}
.inp:focus{outline:none;border-bottom-color:var(--primary);}

.opt-row{margin-bottom:12px;}
.olab{font-size:12px;color:var(--text-3);font-weight:600;margin-bottom:8px;padding-left:2px;}
.chips{display:flex;gap:8px;flex-wrap:wrap;}
.chip{padding:9px 18px;border-radius:20px;font-size:13px;font-weight:600;background:#fff;color:var(--text-2);border:1px solid var(--line);cursor:pointer;min-height:42px;}
.chip.on{background:var(--primary-soft);color:var(--primary);border-color:var(--primary);}

/* ===== Time Picker ===== */
.picker-sheet{background:#fff;border-radius:24px 24px 0 0;width:100%;animation:sheetup .3s cubic-bezier(.2,.8,.2,1);}
.picker-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line);}
.picker-title{font-size:16px;font-weight:700;}
.picker-cancel,.picker-done{background:none;border:none;font-size:16px;cursor:pointer;padding:4px;}
.picker-cancel{color:var(--text-3);}
.picker-done{color:var(--primary);font-weight:700;}
.picker-date{display:flex;gap:8px;padding:14px 16px;justify-content:center;}
.date-chip{padding:8px 16px;border-radius:18px;font-size:13px;font-weight:600;background:var(--bg);color:var(--text-2);border:1px solid var(--line);cursor:pointer;min-height:42px;}
.date-chip.on{background:var(--primary);color:#fff;border-color:var(--primary);}
.wheels{display:flex;align-items:center;justify-content:center;padding:8px 0 24px;gap:0;}
.wheel{height:170px;width:84px;overflow-y:scroll;scroll-snap-type:y mandatory;-webkit-overflow-scrolling:touch;position:relative;scrollbar-width:none;}
.wheel::-webkit-scrollbar{display:none;}
.wheel-pad{height:63px;}
.wheel-item{height:44px;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;color:var(--text);scroll-snap-align:center;}
.wheel-colon{font-size:26px;font-weight:700;color:var(--text-3);margin:0 -4px;padding-bottom:30px;}
.wheel::before,.wheel::after{content:"";position:absolute;left:8px;right:8px;height:1px;background:var(--line);pointer-events:none;}
.wheel::before{top:63px;} .wheel::after{bottom:63px;}
.wheel-center{position:absolute;left:8px;right:8px;top:63px;height:44px;background:var(--primary-soft);border-radius:10px;pointer-events:none;opacity:.5;}

/* ===== Action Sheet ===== */
.action-sheet{background:#fff;border-radius:18px 18px 0 0;width:100%;overflow:hidden;animation:sheetup .3s cubic-bezier(.2,.8,.2,1);}
.action-item{display:block;width:100%;text-align:center;padding:17px;font-size:16px;font-weight:500;color:var(--text);background:#fff;border:none;border-bottom:1px solid var(--line);cursor:pointer;}
.action-item:active{background:#F5F7FA;}
.action-item.cancel{color:var(--text-2);font-weight:600;border-bottom:none;border-top:8px solid #F0F2F5;}

/* ===== Toast ===== */
.toast{
  position:absolute;left:50%;bottom:calc(var(--tab-h) + 30px);transform:translateX(-50%);
  background:rgba(11,27,58,.92);color:#fff;padding:11px 20px;border-radius:22px;font-size:13px;
  z-index:200;white-space:nowrap;animation:toastin .25s;box-shadow:0 8px 24px rgba(11,27,58,.3);
}
@keyframes toastin{from{opacity:0;transform:translate(-50%,10px);}to{opacity:1;transform:translate(-50%,0);}}

/* ref line label (in SVG) */
.ref-label{cursor:grab;user-select:none;}