/* ===== 主题变量（夜间默认） ===== */
:root{
  --bg:#0b0f1a; --card:#141b2c; --card2:#1a2336; --line:#24304a;
  --txt:#e9eefb; --sub:#8b96b3; --blue:#4d9fff; --red:#ff4d5e; --orange:#ffb020; --green:#2fd08c;
  --body-bg:radial-gradient(1200px 700px at 50% -10%,#1a2438 0%,#06080f 60%),#06080f;
  --topbar-bg:rgba(11,15,26,.92); --tabbar-bg:rgba(14,19,32,.96);
  --pill-red:#ff7a86; --pill-blue:#7ab8ff; --pill-green:#5fe0ab; --pill-orange:#ffc45e;
  --warn-red-b:#ff8b96; --warn-blue-b:#7ab8ff; --warn-red-p:#ffb3bb; --warn-blue-p:#a8cdf5;
  --faint:#5f6a84;
  --safe-b:env(safe-area-inset-bottom,0px);
}
/* ===== 白天主题 ===== */
html[data-theme="light"]{
  --bg:#f4f7fc; --card:#ffffff; --card2:#eef2f9; --line:#dbe3f0;
  --txt:#1d2739; --sub:#5c6a86; --blue:#1f7ae0; --red:#e0323f; --orange:#d97e00; --green:#0e9e63;
  --body-bg:radial-gradient(1200px 700px at 50% -10%,#e3ecfb 0%,#f6f8fc 60%),#f6f8fc;
  --topbar-bg:rgba(255,255,255,.92); --tabbar-bg:rgba(255,255,255,.96);
  --pill-red:#d92640; --pill-blue:#1f6fe0; --pill-green:#0e9e63; --pill-orange:#b96e00;
  --warn-red-b:#c22034; --warn-blue-b:#1f6fe0; --warn-red-p:#7a4a55; --warn-blue-p:#46608a;
  --faint:#98a2b8;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--body-bg);
  min-height:100vh;display:flex;flex-direction:column;align-items:center;
  color:var(--txt);
}
#app{width:100%;max-width:520px;min-height:100vh;display:flex;flex-direction:column;position:relative}
/* 顶部状态栏 */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top,0px) + 10px) 16px 10px;
  background:var(--topbar-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);font-size:12px}
.topbar .brand{display:flex;align-items:center;gap:7px;font-size:15px;font-weight:800;letter-spacing:.5px}
.topbar .brand .dot{width:8px;height:8px;border-radius:50%;background:var(--blue);box-shadow:0 0 10px var(--blue)}
.topbar .meta{color:var(--sub);display:flex;gap:10px;align-items:center}
.topbar .meta b{color:var(--txt);font-weight:700}
/* 主题切换按钮 */
.themebtn{border:0;background:none;color:var(--sub);cursor:pointer;display:flex;align-items:center;
  justify-content:center;width:30px;height:30px;border-radius:9px;padding:0}
.themebtn:active{background:var(--card2)}
.themebtn svg{width:18px;height:18px}
.themebtn .ico-sun{display:none}
html[data-theme="light"] .themebtn .ico-sun{display:block}
html[data-theme="light"] .themebtn .ico-moon{display:none}
/* 内容区 */
.screen{flex:1;overflow-y:auto;scrollbar-width:none}
.screen::-webkit-scrollbar{display:none}
.page{display:none;min-height:100%;padding:14px 16px calc(86px + var(--safe-b));animation:fade .25s ease}
.page.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
/* 底部 tab */
.tabbar{position:fixed;bottom:0;width:100%;max-width:520px;height:calc(68px + var(--safe-b));
  background:var(--tabbar-bg);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  display:flex;z-index:40;padding-bottom:var(--safe-b)}
.tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--sub);font-size:10px;cursor:pointer;border:0;background:none;font-weight:600}
.tab svg{width:22px;height:22px}
.tab.on{color:var(--blue)}
/* 通用组件 */
.hd{display:flex;align-items:center;justify-content:space-between;margin:4px 0 14px}
.hd h2{font-size:20px;font-weight:800}
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:5px 10px;border-radius:20px}
.pill.red{background:rgba(255,77,94,.14);color:var(--pill-red)}
.pill.blue{background:rgba(77,159,255,.14);color:var(--pill-blue)}
.pill.green{background:rgba(47,208,140,.14);color:var(--pill-green)}
.pill.orange{background:rgba(255,176,32,.14);color:var(--pill-orange)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:15px;margin-bottom:12px}
.card h3{font-size:14px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:7px}
.card h3 .muted{font-weight:400;font-size:11px}
.row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.muted{color:var(--sub);font-size:12px;line-height:1.6}
.bigbtn{width:100%;border:0;border-radius:16px;padding:16px;font-size:16px;font-weight:700;cursor:pointer;
  display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:10px;color:#fff;font-family:inherit}
.bigbtn:active{opacity:.85}
.bigbtn.red{background:linear-gradient(135deg,#ff4d5e,#d92640)}
.bigbtn.blue{background:linear-gradient(135deg,#2f8bff,#1f6fe0)}
.bigbtn.green{background:linear-gradient(135deg,#2fd08c,#1da971)}
.bigbtn.ghost{background:var(--card2);border:1px solid var(--line);color:var(--txt)}
.bigbtn.sm{padding:11px;font-size:14px;border-radius:12px;margin-bottom:0}
.bigbtn:disabled{opacity:.55;cursor:not-allowed}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mini{background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:13px 12px;cursor:pointer}
.mini:active{border-color:var(--blue)}
.mini .ic{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:8px}
.mini .t{font-size:13px;font-weight:700}
.mini .d{font-size:10.5px;color:var(--sub);margin-top:2px}
.chip{display:inline-block;font-size:11px;padding:5px 10px;border-radius:9px;background:var(--card2);
  border:1px solid var(--line);color:var(--sub);margin:4px 4px 0 0;cursor:pointer}
.chip.hot{color:var(--red);border-color:rgba(255,77,94,.4)}
.chip.on{color:#fff;background:var(--blue);border-color:var(--blue)}
.warnbar{background:linear-gradient(90deg,rgba(255,77,94,.18),rgba(255,77,94,.05));
  border:1px solid rgba(255,77,94,.45);border-radius:14px;padding:12px 13px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.warnbar.blue{background:linear-gradient(90deg,rgba(77,159,255,.16),rgba(77,159,255,.04));border-color:rgba(77,159,255,.45)}
.warnbar .wi{width:22px;height:22px;flex:none;color:var(--red);margin-top:1px}
.warnbar.blue .wi{color:var(--blue)}
.warnbar b{color:var(--warn-red-b);font-size:13px}
.warnbar.blue b{color:var(--warn-blue-b)}
.warnbar p{font-size:11.5px;color:var(--warn-red-p);margin-top:3px;line-height:1.55}
.warnbar.blue p{color:var(--warn-blue-p)}
.kv{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;padding:7px 0;border-bottom:1px dashed var(--line)}
.kv:last-child{border-bottom:0}
.kv span:first-child{color:var(--sub);flex:none}
.kv b{font-weight:600;text-align:right}
.tag{font-size:10.5px;font-weight:700;padding:3px 8px;border-radius:6px}
.tag.up{background:rgba(255,176,32,.16);color:var(--orange)}
.tag.down{background:rgba(77,159,255,.16);color:var(--blue)}
.tag.crit{background:rgba(255,77,94,.16);color:var(--red)}
.tag.ok{background:rgba(47,208,140,.16);color:var(--green)}
.input,.select,textarea.input{width:100%;background:var(--card2);border:1px solid var(--line);border-radius:12px;
  color:var(--txt);font-size:13.5px;padding:11px 12px;outline:none;font-family:inherit}
.input:focus{border-color:var(--blue)}
textarea.input{min-height:88px;resize:vertical;line-height:1.6}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%238b96b3' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center}
.foot-note{font-size:10.5px;color:var(--faint);text-align:center;line-height:1.6;margin-top:10px}
.pilltab{display:flex;background:var(--card2);border-radius:12px;padding:4px;margin-bottom:12px;overflow-x:auto;scrollbar-width:none}
.pilltab::-webkit-scrollbar{display:none}
.pilltab button{flex:1;border:0;background:none;color:var(--sub);font-size:12.5px;font-weight:600;
  padding:9px 6px;border-radius:9px;cursor:pointer;white-space:nowrap;font-family:inherit}
.pilltab button.on{background:var(--blue);color:#fff}
/* toast */
#toast{position:fixed;left:50%;bottom:calc(96px + var(--safe-b));transform:translateX(-50%) translateY(10px);
  background:#000;color:#fff;font-size:13px;font-weight:600;padding:11px 18px;border-radius:10px;max-width:86%;
  border:1px solid rgba(255,255,255,.25);box-shadow:0 6px 18px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;transition:.25s;z-index:600;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
/* modal */
#modalMask{position:fixed;inset:0;background:rgba(3,6,12,.72);z-index:100;display:none;
  align-items:flex-end;justify-content:center;backdrop-filter:blur(3px)}
#modalMask.show{display:flex}
.modal{width:100%;max-width:520px;max-height:82vh;background:var(--card);border-radius:22px 22px 0 0;
  padding:18px 16px calc(20px + var(--safe-b));overflow-y:auto;animation:up .28s ease;scrollbar-width:none}
.modal::-webkit-scrollbar{display:none}
@keyframes up{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
.modal .mhandle{width:40px;height:4px;border-radius:3px;background:var(--line);margin:0 auto 14px}
.modal h3{font-size:16px;font-weight:800;margin-bottom:12px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.modal .mclose{margin-top:14px;width:100%;border:0;border-radius:12px;padding:12px;background:var(--card2);
  color:var(--sub);font-size:14px;font-weight:600;cursor:pointer;font-family:inherit}

/* 列表项 */
.item{display:flex;align-items:flex-start;gap:10px;background:var(--card2);border:1px solid var(--line);
  border-radius:12px;padding:11px 12px;margin-bottom:8px}
.item .del{border:0;background:none;color:var(--faint);font-size:16px;cursor:pointer;padding:2px 4px;flex:none}
.item.done .itxt{text-decoration:line-through;color:var(--sub)}
.itxt{font-size:13px;line-height:1.55;flex:1;word-break:break-all}
.isub{font-size:11px;color:var(--sub);margin-top:3px;display:flex;gap:8px;flex-wrap:wrap}
/* 录音 */
.recbox{text-align:center;padding:14px 0 4px}
.mic{width:76px;height:76px;border-radius:50%;background:linear-gradient(135deg,#ff4d5e,#d92640);
  display:flex;align-items:center;justify-content:center;cursor:pointer;margin:0 auto;border:0;box-shadow:0 8px 24px rgba(255,77,94,.35)}
.mic.rec{animation:pulse 1.2s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(255,77,94,.5)}50%{box-shadow:0 0 0 16px rgba(255,77,94,0)}}
.mic svg{width:32px;height:32px;color:#fff}
.wave{display:flex;gap:4px;align-items:center;height:30px;margin-top:16px;justify-content:center}
.wave i{width:3.5px;background:var(--blue);border-radius:3px;animation:wv 1s ease-in-out infinite}
.wave i:nth-child(odd){animation-delay:.2s}
@keyframes wv{0%,100%{height:7px}50%{height:26px}}
/* loading */
.dots-load{display:inline-flex;gap:5px;align-items:center}
.dots-load i{width:7px;height:7px;border-radius:50%;background:#9cc4ff;animation:bl 1s infinite}
.dots-load i:nth-child(2){animation-delay:.15s}.dots-load i:nth-child(3){animation-delay:.3s}
@keyframes bl{0%,100%{opacity:.25}50%{opacity:1}}
/* 心电图上传 */
.ecgdrop{border:1.5px dashed var(--line);border-radius:14px;padding:26px 12px;text-align:center;cursor:pointer;color:var(--sub)}
.ecgdrop:active{border-color:var(--blue)}
.ecgdrop svg{width:34px;height:34px;color:var(--blue);margin-bottom:8px}
.ecgdrop .t1{font-size:13.5px;color:var(--txt);font-weight:600}
.ecgdrop .t2{font-size:11px;margin-top:4px}
.ecgthumbbox{position:relative;display:inline-block}
.ecgthumbbox img{max-width:100%;max-height:220px;border-radius:12px;border:1px solid var(--line);display:block}
.ecgthumbbox .rm{position:absolute;top:8px;right:8px;width:26px;height:26px;border-radius:50%;border:0;
  background:rgba(0,0,0,.65);color:#fff;font-size:13px;cursor:pointer}
.ecg-hist-thumb{width:52px;height:52px;object-fit:cover;border-radius:9px;border:1px solid var(--line);flex:none}
pre.record{white-space:pre-wrap;word-break:break-all;background:var(--card2);border:1px solid var(--line);
  border-radius:12px;padding:12px;font-size:12.5px;line-height:1.7;font-family:inherit;color:var(--txt);max-height:340px;overflow-y:auto}
.dfdx{border-left:3px solid var(--line);padding:8px 0 8px 12px;margin-bottom:6px}
.dfdx.high{border-color:var(--red)}.dfdx.mid{border-color:var(--orange)}.dfdx.low{border-color:var(--blue)}
.dfdx .dn{font-size:13.5px;font-weight:700;display:flex;gap:8px;align-items:center}
.dfdx .dr{font-size:12px;color:var(--sub);margin-top:3px;line-height:1.55}
.empty{text-align:center;color:var(--faint);font-size:12px;padding:18px 0;line-height:1.7}
.stat3{display:flex;justify-content:space-around;margin-bottom:12px}
.stat3 .s{text-align:center}
.stat3 .n{font-size:26px;font-weight:800}
.stat3 .l{font-size:11px;color:var(--sub);margin-top:2px}
.stat3 .u{font-size:12px;color:var(--sub);font-weight:500}