:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#f0f1fa;background:#11182b;font-synthesis:none;
  --surface:#182036;--surface-2:#1f2843;--line:#ffffff14;--text-2:#c3c8da;--muted:#8f97ae;--accent:#46a08a;--accent-ink:#f2fffb;
  --series-1:#3987e5;--series-2:#d95926;--down:#4fbf9a;--up:#e8956c;--danger:#e66767}
*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100svh}[hidden]{display:none!important}
button,input{font:inherit;color:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid #b8d9ff;outline-offset:2px}
.wallpaper{position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 15% -10%,#2b3a6a 0,transparent 55%),radial-gradient(circle at 110% 30%,#1e4a48 0,transparent 45%),#11182b}
.muted{color:var(--muted)}
.primary{border:0;border-radius:10px;background:var(--accent);color:var(--accent-ink);font-weight:600;padding:11px 20px}.primary:hover{filter:brightness(1.08)}.primary:disabled{opacity:.6;cursor:default}
.ghost{border:1px solid var(--line);border-radius:9px;background:transparent;color:var(--text-2);padding:7px 13px}.ghost:hover{background:#ffffff0c}
.danger{border:1px solid #e6676755;border-radius:9px;background:transparent;color:var(--danger);padding:9px 14px}
.form-error{margin:0;color:var(--danger);font-size:13px}
label{display:grid;gap:6px;font-size:13px;color:var(--text-2)}
input:not([type=number]):not([type=datetime-local]),input[type=datetime-local],.edit-dialog input{background:#0f1529;border:1px solid #ffffff22;border-radius:9px;padding:11px 12px;font-size:16px;color:#fff;width:100%}

.login{min-height:100svh;display:grid;place-items:center;padding:24px}
.login-card{width:min(360px,100%);display:grid;gap:16px;padding:32px 28px;background:#182036e6;border:1px solid var(--line);border-radius:18px;box-shadow:0 20px 50px #0007}
.login-card h1{margin:0;font-size:22px}.login-card p{margin:-8px 0 4px;font-size:13px}
.login-mark{width:56px;height:56px;border-radius:16px;background:linear-gradient(145deg,#6fc7b0,#2f7d6c);display:grid;place-items:center}.login-mark svg{width:32px;height:32px;fill:none;stroke:#fff;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}

.app{max-width:760px;margin:0 auto;padding:0 16px max(32px,env(safe-area-inset-bottom))}
.topbar{display:flex;align-items:center;gap:12px;padding:18px 2px 10px}.topbar h1{margin:0;font-size:19px;letter-spacing:1px}.user{margin-left:auto;font-size:13px;color:var(--text-2)}
.tabs{display:flex;gap:6px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:none}
.tab{border:1px solid var(--line);background:#ffffff08;border-radius:999px;padding:7px 16px;font-size:14px;color:var(--text-2);white-space:nowrap}.tab[aria-selected=true]{background:var(--accent);border-color:transparent;color:var(--accent-ink);font-weight:600}
.panel{display:grid;gap:14px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.card-head h2{margin:0;font-size:15px}

.entry-label{font-size:13px;color:var(--text-2)}
.entry-row{display:flex;gap:10px;margin-top:8px}
.entry-input{flex:1;display:flex;align-items:baseline;gap:6px;background:#0f1529;border:1px solid #ffffff22;border-radius:12px;padding:6px 14px}.entry-input:focus-within{border-color:#46a08a}
.entry-input input{flex:1;min-width:0;border:0;background:transparent;font-size:34px;font-weight:600;font-variant-numeric:tabular-nums;padding:2px 0;outline:none;-moz-appearance:textfield}
input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}
.entry-input span{color:var(--muted);font-size:15px}
.entry-row .primary{min-width:92px;font-size:17px;border-radius:12px}
.entry-hint{margin:8px 0 0;font-size:12px}

.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 14px;min-width:0}
.stat-label{font-size:12px;color:var(--muted)}.stat-value{margin-top:4px;font-size:22px;font-weight:650;font-variant-numeric:tabular-nums;white-space:nowrap}.stat-value small{font-size:12px;font-weight:400;color:var(--muted);margin-left:3px}.stat-note{margin-top:2px;font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}
.delta-down{color:var(--down)}.delta-up{color:var(--up)}.delta-flat{color:var(--muted)}

.segmented{display:flex;background:#0f1529;border-radius:9px;padding:3px}.segmented button{border:0;background:transparent;color:var(--muted);font-size:12px;padding:5px 10px;border-radius:7px}.segmented button[aria-pressed=true]{background:var(--surface-2);color:#fff}
.legend{display:flex;gap:16px;margin:10px 0 2px;font-size:12px;color:var(--text-2)}.legend span{display:flex;align-items:center;gap:6px}
.swatch{display:inline-block;width:16px;height:0;border-top:2px solid}.swatch.raw{border-color:var(--series-1)}.swatch.avg{border-color:var(--series-2);border-top-style:dashed}
.chart{position:relative;height:240px;margin-top:6px;touch-action:pan-y}
.chart svg{display:block;width:100%;height:100%;overflow:visible}
.chart .grid{stroke:#ffffff12;stroke-width:1}.chart .axis-text{fill:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}
.chart .raw-line{fill:none;stroke:var(--series-1);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart .avg-line{fill:none;stroke:var(--series-2);stroke-width:2;stroke-dasharray:5 4;stroke-linecap:round}
.chart .area{fill:url(#weight-area)}
.chart .dot{fill:var(--series-1);stroke:var(--surface);stroke-width:2}
.chart .cursor{stroke:#ffffff55;stroke-width:1}.chart .focus{fill:var(--series-1);stroke:#fff;stroke-width:2}
.chart-empty{height:100%;display:grid;place-items:center;color:var(--muted);font-size:13px;text-align:center}
.tooltip{position:absolute;top:0;pointer-events:none;background:#0c1124f0;border:1px solid #ffffff22;border-radius:9px;padding:7px 10px;font-size:12px;line-height:1.5;white-space:nowrap;color:var(--text-2);box-shadow:0 6px 18px #0006}.tooltip b{color:#fff;font-size:14px;font-variant-numeric:tabular-nums}

.records{list-style:none;margin:8px 0 0;padding:0}
.day{padding:12px 2px 4px;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}.records li:first-child.day{border-top:0}
.record{display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:10px;width:100%;border:0;background:transparent;text-align:left;padding:9px 2px;border-radius:8px}.record:hover{background:#ffffff08}
.record time{font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums}.record-value{font-size:17px;font-weight:600;font-variant-numeric:tabular-nums}.record-value small{font-size:12px;color:var(--muted);font-weight:400;margin-left:2px}.record-delta{font-size:13px;font-variant-numeric:tabular-nums;min-width:64px;text-align:right}
.empty{padding:24px 0;text-align:center;color:var(--muted);font-size:13px}
.more{display:block;margin:10px auto 0}

.edit-dialog{border:1px solid var(--line);border-radius:16px;background:var(--surface);color:inherit;padding:22px;width:min(360px,calc(100% - 32px))}.edit-dialog::backdrop{background:#050814aa}
.edit-dialog form{display:grid;gap:14px}.edit-dialog h2{margin:0;font-size:17px}
.dialog-actions{display:grid;grid-template-columns:auto 1fr auto auto;gap:8px}.dialog-actions .ghost{padding:9px 14px}

.toast{position:fixed;left:50%;bottom:max(20px,env(safe-area-inset-bottom));transform:translateX(-50%);display:flex;align-items:center;gap:14px;background:#0c1124f2;border:1px solid #ffffff22;border-radius:12px;padding:10px 16px;font-size:14px;box-shadow:0 10px 30px #0008;max-width:calc(100% - 32px)}
.toast span{min-width:0}.toast button{flex:none;white-space:nowrap;border:0;background:transparent;color:#8fd8c3;font-weight:600;padding:2px 0}

@media(max-width:520px){.app{padding-left:12px;padding-right:12px}.stats{gap:8px}.stat{padding:10px 11px}.stat-value{font-size:19px}.chart{height:210px}.segmented button{padding:5px 8px}}
@media(prefers-reduced-motion:no-preference){.tab,.primary,.ghost{transition:background .15s,filter .15s}}