/* ============ Guardian · 身体状态 ============ */
:root{
  --bg:#070B10;
  --panel:#0F1620;
  --panel2:#141D29;
  --line:#1E2A38;
  --line2:#263547;
  --ink:#E9EFF7;
  --mut:#8B9AAD;
  --mut2:#5F7086;
  --teal:#2DD4BF;
  --green:#34D399;
  --amber:#F5A524;
  --red:#F0546A;
  --blue:#5B9DF9;
  --r:18px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:
    radial-gradient(900px 520px at 50% -180px,#12303a 0%,transparent 60%),
    var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
.app{max-width:470px;margin:0 auto;padding:0 16px 96px;position:relative}

/* ---------- top bar ---------- */
.topbar{
  position:sticky;top:0;z-index:30;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 2px 12px;margin:0 -16px 6px;
  padding-left:18px;padding-right:18px;
  background:rgba(7,11,16,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(30,42,56,.7);
}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.2px;font-size:15px}
.brand small{color:var(--mut2);font-weight:500;font-size:12px;letter-spacing:0}
.dot{width:8px;height:8px;border-radius:50%;background:var(--mut2);flex:none;transition:background .3s}
.dot.on{background:var(--teal);box-shadow:0 0 0 0 rgba(45,212,191,.55);animation:pulse 2.2s infinite}
.dot.demo{background:var(--blue);box-shadow:0 0 0 0 rgba(91,157,249,.5);animation:pulse 1.6s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(45,212,191,.5)}70%{box-shadow:0 0 0 9px rgba(45,212,191,0)}100%{box-shadow:0 0 0 0 rgba(45,212,191,0)}}
.clock{font-variant-numeric:tabular-nums;color:var(--mut);font-size:13px;letter-spacing:.5px}

/* ---------- views ---------- */
.view{display:none;animation:fade .28s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

h2.sec{font-size:13px;font-weight:600;color:var(--mut2);letter-spacing:1.4px;margin:26px 0 10px;text-transform:uppercase}
h3{font-size:15px;font-weight:650;margin:0 0 10px}

/* ---------- hero ring ---------- */
.hero{position:relative;width:262px;height:262px;margin:14px auto 6px}
.ring{width:100%;height:100%;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-linecap:round}
.ring .bg{stroke:#16202C;stroke-width:14}
.ring .fg{stroke:var(--teal);stroke-width:14;transition:stroke-dashoffset .5s linear,stroke .4s}
.ring .tick{stroke:#1B2836;stroke-width:3}
.hero-inner{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.hero-label{font-size:12.5px;color:var(--mut);letter-spacing:2px;margin-bottom:2px}
.hero-time{font-size:46px;font-weight:250;letter-spacing:-1px;font-variant-numeric:tabular-nums;line-height:1.05}
.hero-time b{font-weight:600}
.hero-sub{font-size:12px;color:var(--mut2);margin-top:6px;letter-spacing:.4px}
.hero-sub.risk{color:var(--amber)}
.hero-sub.crit{color:var(--red)}

/* ---------- chips ---------- */
.chips{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:2px 0 18px}
.chip{
  font-size:12px;padding:5px 11px;border-radius:999px;
  background:var(--panel2);border:1px solid var(--line);color:var(--mut);
  display:flex;align-items:center;gap:6px;white-space:nowrap;
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--mut2);font-style:normal}
.chip.ok i{background:var(--green)}
.chip.warn i{background:var(--amber)}
.chip.bad i{background:var(--red)}

/* ---------- stats ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px 15px}
.stat .k{font-size:11.5px;color:var(--mut2);letter-spacing:.6px;margin-bottom:5px}
.stat .v{font-size:23px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.4px}
.stat .v small{font-size:12px;color:var(--mut);font-weight:400;margin-left:3px}
.stat .d{font-size:11.5px;color:var(--mut2);margin-top:3px}

/* ---------- cards ---------- */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r);
  padding:16px 17px;margin-top:12px;
}
.card.tight{padding:14px 17px}
.card p{margin:0 0 10px;color:var(--mut);font-size:13.5px}
.card p:last-child{margin-bottom:0}

/* risk card */
.risk{border-left:3px solid var(--line2);transition:border-color .4s,background .4s}
.risk .rhead{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.risk .rhead b{font-size:14.5px}
.risk .tag{font-size:10.5px;letter-spacing:1px;padding:2px 7px;border-radius:5px;background:var(--panel2);color:var(--mut2);border:1px solid var(--line)}
.risk ul{margin:0;padding-left:16px;color:var(--mut);font-size:13.5px}
.risk li{margin-bottom:5px}
.risk li:last-child{margin-bottom:0}
.risk.lv1{border-left-color:var(--blue)}
.risk.lv2{border-left-color:var(--amber)}
.risk.lv3{border-left-color:var(--red);background:linear-gradient(90deg,rgba(240,84,106,.08),var(--panel) 55%)}
.risk.lv4{border-left-color:#ff2d4f;background:linear-gradient(90deg,rgba(255,45,79,.14),var(--panel) 60%)}

/* fatigue bar */
.bar{height:9px;border-radius:999px;background:#16202C;overflow:hidden;margin:10px 0 12px}
.bar i{display:block;height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--teal),var(--amber) 62%,var(--red));transition:width .6s ease}
.why{list-style:none;margin:0;padding:0;font-size:12.5px;color:var(--mut)}
.why li{display:flex;justify-content:space-between;padding:6px 0;border-top:1px solid rgba(30,42,56,.7)}
.why li:first-child{border-top:none}
.why li span:last-child{color:var(--mut2);font-variant-numeric:tabular-nums}
.why li.hot span:last-child{color:var(--amber)}
.why li.bad span:last-child{color:var(--red)}

/* ---------- buttons ---------- */
.btn{
  appearance:none;border:1px solid var(--line2);background:var(--panel2);color:var(--ink);
  font-family:inherit;font-size:14px;font-weight:600;padding:12px 18px;border-radius:13px;
  cursor:pointer;transition:transform .12s,filter .2s,background .2s;width:100%;
}
.btn:active{transform:scale(.985)}
.btn.primary{background:linear-gradient(180deg,#2DD4BF,#17A79A);border-color:#2DD4BF;color:#04231f}
.btn.warn{background:linear-gradient(180deg,#F5A524,#D98A0C);border-color:#F5A524;color:#2a1a00}
.btn.ghost{background:transparent;color:var(--mut)}
.btn.sm{padding:9px 14px;font-size:13px;width:auto}
.row{display:flex;gap:10px;margin-top:12px}
.row .btn{width:auto;flex:1}

/* ---------- segmented ---------- */
.seg{display:flex;background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:4px;gap:4px;margin:14px 0}
.seg button{
  flex:1;appearance:none;border:0;background:transparent;color:var(--mut);
  font-family:inherit;font-size:13px;font-weight:600;padding:9px 6px;border-radius:10px;cursor:pointer;
}
.seg button.on{background:var(--panel2);color:var(--ink);box-shadow:0 1px 0 rgba(255,255,255,.04) inset}

/* ---------- nav ---------- */
.nav{
  position:fixed;left:50%;transform:translateX(-50%);bottom:0;
  width:100%;max-width:502px;z-index:40;
  display:grid;grid-template-columns:repeat(4,1fr);
  background:rgba(10,15,21,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-top:1px solid var(--line);padding:8px 10px calc(8px + env(safe-area-inset-bottom));
}
.nav button{
  appearance:none;border:0;background:transparent;color:var(--mut2);
  font-family:inherit;font-size:10.5px;font-weight:600;letter-spacing:.4px;
  display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 0;cursor:pointer;border-radius:10px;
}
.nav button svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.nav button.on{color:var(--teal)}

/* ---------- sleep ---------- */
.hypno{display:flex;height:54px;border-radius:10px;overflow:hidden;background:#0B1118;margin:12px 0 8px}
.hypno i{height:100%;transition:width .3s}
.hypno i.deep{background:#2f6df6}
.hypno i.light{background:#3d5c96}
.hypno i.awake{background:#8A97A9}
.hypno i.onset{background:#1b2431}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:11.5px;color:var(--mut2)}
.legend span{display:flex;align-items:center;gap:5px}
.legend b{width:8px;height:8px;border-radius:2px;display:inline-block}

.mlist{margin:12px 0 6px;padding-left:18px;color:var(--mut);font-size:13.5px;line-height:1.65}
.mlist li{margin-bottom:7px}
.mlist li:last-child{margin-bottom:0}

.inp{
  width:100%;margin-top:10px;padding:11px 13px;
  background:#0B1118;border:1px solid var(--line2);border-radius:11px;
  color:var(--ink);font-family:inherit;font-size:14px;outline:none;
}
.inp:focus{border-color:#2fbfae}
.inp::placeholder{color:var(--mut2)}

/* ---------- 每日报告 ---------- */
.rp-badge{
  float:right;font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:var(--panel2);border:1px solid var(--line2);color:var(--mut);letter-spacing:.5px;
}
.rp-badge.good{background:rgba(45,212,191,.14);border-color:#2fbfae;color:#2DD4BF}
.rp-badge.mid{background:rgba(245,165,36,.13);border-color:#8a5a12;color:#F5A524}
.rp-badge.bad{background:rgba(240,84,106,.13);border-color:#7a2c37;color:#F0546A}

.rp-strip{display:grid;grid-template-columns:repeat(24,1fr);gap:2px;height:58px;margin-top:14px;align-items:end}
.rp-strip i{border-radius:2px;min-height:3px;display:block}
.rp-axis{display:flex;justify-content:space-between;font-size:10px;color:var(--mut2);margin-top:6px;letter-spacing:.5px}

/* ---------- trend bars ---------- */
.trend{display:flex;align-items:flex-end;gap:6px;height:150px;margin:18px 0 6px}
.trend.dense{gap:2px}
.trend .col{flex:1;display:flex;flex-direction:column;height:100%;min-width:0}
.trend .bar-wrap{flex:1;display:flex;align-items:flex-end;min-height:0}
.trend .bar-wrap i{display:block;width:100%;border-radius:3px 3px 1px 1px;min-height:2px;transition:height .45s}
.trend .lbl{flex:none;font-size:10px;color:var(--mut2);text-align:center;margin-top:6px;height:13px;white-space:nowrap;overflow:hidden}
.trend .lbl.today{color:var(--teal)}

.seg-sm{float:right;display:flex;gap:3px;background:var(--panel2);border:1px solid var(--line);border-radius:9px;padding:2px}
.seg-sm button{
  appearance:none;border:0;background:transparent;color:var(--mut2);font-family:inherit;
  font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:7px;cursor:pointer;
}
.seg-sm button.on{background:#1c2836;color:var(--ink)}

/* ---------- settings ---------- */
.set{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-top:1px solid rgba(30,42,56,.7)}
.set:first-of-type{border-top:none}
.set .t{font-size:14px}
.set .s{font-size:11.5px;color:var(--mut2);margin-top:2px}
.set input[type=range]{width:118px;accent-color:#2DD4BF}
.set input[type=checkbox]{
  appearance:none;-webkit-appearance:none;flex:none;margin:0;
  width:46px;height:27px;border-radius:999px;background:#1B2735;
  border:1px solid var(--line2);position:relative;cursor:pointer;
  transition:background .22s,border-color .22s;
}
.set input[type=checkbox]::after{
  content:'';position:absolute;top:2px;left:2px;width:21px;height:21px;border-radius:50%;
  background:#7C8B9E;transition:transform .22s,background .22s;
}
.set input[type=checkbox]:checked{background:rgba(45,212,191,.18);border-color:#2fbfae}
.set input[type=checkbox]:checked::after{transform:translateX(19px);background:#2DD4BF}
.val{color:var(--teal);font-variant-numeric:tabular-nums;font-weight:600;font-size:13px}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:100px;transform:translate(-50%,20px);
  background:#16202C;border:1px solid var(--line2);color:var(--ink);
  padding:11px 18px;border-radius:13px;font-size:13.5px;z-index:60;
  opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;max-width:86vw;text-align:center;
  box-shadow:0 12px 40px rgba(0,0,0,.5);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- modal ---------- */
.modal{position:fixed;inset:0;background:rgba(3,6,10,.72);backdrop-filter:blur(6px);z-index:70;display:none;align-items:flex-end;justify-content:center}
.modal.show{display:flex}
.sheet{
  width:100%;max-width:470px;background:var(--panel);border:1px solid var(--line2);
  border-radius:22px 22px 0 0;padding:22px 20px calc(24px + env(safe-area-inset-bottom));
  animation:up .3s cubic-bezier(.2,.9,.3,1);max-height:86vh;overflow:auto;
}
@keyframes up{from{transform:translateY(40px);opacity:.6}to{transform:none;opacity:1}}
.sheet h3{font-size:18px;margin-bottom:6px}

.notice{font-size:11.5px;color:var(--mut2);line-height:1.6;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.mono{font-variant-numeric:tabular-nums}
.center{text-align:center}
.mt8{margin-top:8px}.mt16{margin-top:16px}
.hide{display:none!important}