:root{--bg:#eef2f7;--card:#fff;--fg:#0f172a;--mut:#64748b;--line:#dbe3ee;--ok:#0d9488;--warn:#d97706;--bad:#dc2626;--acc:#0f766e;--acc2:#2563eb;--field:#f5f7fb;--shadow:0 1px 2px rgba(15,23,42,.05),0 8px 24px rgba(15,23,42,.06)}
@media (prefers-color-scheme:dark){:root{--bg:#0a0f1c;--card:#131b2e;--fg:#e5ecf6;--mut:#8ea0bb;--line:#26324f;--ok:#2dd4bf;--warn:#fbbf24;--bad:#f87171;--acc:#2dd4bf;--acc2:#60a5fa;--field:#0e1526;--shadow:none}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:640px;margin:0 auto;padding:calc(12px + env(safe-area-inset-top)) 16px calc(96px + env(safe-area-inset-bottom))}
a{color:var(--acc2)}
h1{font-size:26px;margin:0;letter-spacing:-.02em}h2{font-size:17px;margin:0 0 12px}h3{font-size:15px;margin:0 0 6px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 2px 18px}
.sub{color:var(--mut);font-size:13.5px}
.card{background:var(--card);border-radius:20px;padding:18px;box-shadow:var(--shadow);margin-bottom:14px}
.card.tap{cursor:pointer;transition:transform .15s}.card.tap:active{transform:scale(.985)}
.row{display:flex;align-items:center;gap:12px}.between{justify-content:space-between}.grow{flex:1;min-width:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 16px;border-radius:14px;font-family:inherit;font-size:16px;font-weight:600;text-decoration:none;border:0;background:var(--acc);color:#fff;cursor:pointer}
@media (prefers-color-scheme:dark){.btn{color:#04221f}}
.btn:disabled{opacity:.5}.btn.sec{background:var(--card);color:var(--fg);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.danger{background:transparent;color:var(--bad);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn.small{width:auto;padding:9px 14px;font-size:14px;border-radius:11px}
.btns{display:grid;grid-template-columns:1fr 1fr;gap:10px}
label{display:block;font-weight:600;font-size:15px;margin:14px 0 6px}label small{font-weight:400;color:var(--mut)}
input,select,textarea{width:100%;font-family:inherit;font-size:16px;color:var(--fg);background:var(--field);border:1.5px solid var(--line);border-radius:12px;padding:12px 13px;outline:none;-webkit-appearance:none;appearance:none}
input:focus,select:focus{border-color:var(--acc)}
input[type=checkbox]{width:auto;-webkit-appearance:auto;appearance:auto;accent-color:var(--acc);transform:scale(1.3);margin:0 6px 0 2px}
.check{display:flex;align-items:center;gap:8px;font-weight:500}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.grid3{display:grid;grid-template-columns:1fr 2fr;gap:0 10px}
.help{color:var(--mut);font-size:13.5px;margin:6px 0 0}
.err{color:var(--bad);font-weight:600;font-size:14px;margin:10px 0 0;min-height:1em}
.pill{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:13px;padding:5px 11px;border-radius:99px;background:var(--line);color:var(--mut);white-space:nowrap}
.pill i{width:7px;height:7px;border-radius:50%;background:currentColor}
.p-ok{background:rgba(13,148,136,.13);color:var(--ok)}.p-warn{background:rgba(217,119,6,.14);color:var(--warn)}.p-bad{background:rgba(220,38,38,.13);color:var(--bad)}
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:14px}
.tile{background:var(--card);border-radius:16px;padding:13px 14px;box-shadow:var(--shadow)}
.tile span{font-size:12.5px;color:var(--mut)}.tile b{display:block;font-size:21px;letter-spacing:-.01em;font-variant-numeric:tabular-nums}.tile small{color:var(--mut);font-size:12.5px}
.big{font-size:54px;font-weight:700;letter-spacing:-.04em;line-height:1;font-variant-numeric:tabular-nums}.big small{font-size:24px;color:var(--mut);font-weight:600}
.hero{display:grid;grid-template-columns:40% 1fr;gap:16px;align-items:center}
.banner{border-radius:18px;padding:15px 16px;margin-bottom:14px;color:#fff;background:var(--bad)}
.banner.order{background:linear-gradient(135deg,#0f766e,#0d9488)}.banner.warn{background:var(--warn)}
.banner b{display:block;font-size:16px;margin-bottom:4px}.banner p{margin:0 0 12px;font-size:14.5px;opacity:.95;white-space:pre-line}
.banner .btn{background:#fff;color:#0f172a}.banner .btn.ghost{background:rgba(255,255,255,.18);color:#fff}
.list{display:grid;gap:2px}.item{display:flex;gap:12px;padding:11px 2px;border-bottom:1px solid var(--line);align-items:flex-start}.item:last-child{border:0}
.ico{flex:none;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:17px;background:var(--field)}
.dot{width:9px;height:9px;border-radius:50%;background:var(--acc2);flex:none;margin-top:7px}
.tabbar{position:fixed;left:0;right:0;bottom:0;background:color-mix(in srgb,var(--card) 88%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:6px 6px calc(6px + env(safe-area-inset-bottom));z-index:5}
.tabbar a{flex:1;text-align:center;text-decoration:none;color:var(--mut);font-size:11px;font-weight:600;padding:4px 0;position:relative}
.tabbar a svg{display:block;margin:0 auto 2px}.tabbar a.on{color:var(--acc)}
.badge{position:absolute;top:0;left:calc(50% + 6px);background:var(--bad);color:#fff;font-size:10.5px;border-radius:99px;padding:1px 6px}
.back{color:var(--acc2);text-decoration:none;font-weight:600;font-size:15px}
.st1{stop-color:var(--c1)}.st2{stop-color:var(--c2)}
.tank{width:100%;height:auto;display:block;--c1:#99f6e4;--c2:#0d9488}.tank.warn{--c1:#fde68a;--c2:#d97706}.tank.bad{--c1:#fecaca;--c2:#dc2626}.tank.none{--c1:#cbd5e1;--c2:#94a3b8}
.lvl{transition:transform 1.2s cubic-bezier(.2,.8,.2,1)}
.wave{animation:wv 4s linear infinite}@keyframes wv{to{transform:translateX(-80px)}}
.mini{width:54px;flex:none}
.chart{width:100%;display:block}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:8px}.seg label{margin:0}.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;text-align:center;padding:11px 8px;border-radius:12px;background:var(--field);border:1.5px solid var(--line);font-weight:600;cursor:pointer}
.seg input:checked+span{border-color:var(--acc);color:var(--acc)}
.code{font-size:30px;letter-spacing:.3em;text-align:center;font-weight:700;text-transform:uppercase}
.center{text-align:center}
.empty{text-align:center;padding:30px 10px;color:var(--mut)}
.stepper{display:flex;align-items:center;gap:10px}.stepper button{width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:var(--field);font-size:22px;color:var(--fg);cursor:pointer}
.stepper b{min-width:44px;text-align:center;font-size:22px}
.issue{background:rgba(217,119,6,.12);color:var(--warn);border-radius:14px;padding:12px 14px;font-weight:600;font-size:14.5px;margin-bottom:10px}
code{background:var(--field);padding:2px 6px;border-radius:6px;font-size:13.5px;word-break:break-all}
#toast{position:fixed;left:50%;bottom:calc(90px + env(safe-area-inset-bottom));transform:translate(-50%,200px);background:var(--fg);color:var(--bg);padding:12px 18px;border-radius:12px;font-weight:600;transition:transform .3s;max-width:90%;text-align:center;z-index:9}
#toast.show{transform:translate(-50%,0)}#toast.err{background:var(--bad);color:#fff}
.auth{max-width:420px;margin:6vh auto 0}
.logo{width:72px;height:72px;border-radius:18px;display:block;margin:0 auto 14px}