:root{--bg:#0f1b2a;--card:#16263a;--line:#26405e;--txt:#e8eef5;--muted:#93a6bb;--acc:#4fd1a5;--warn:#f2b84b;--bad:#ef6b5b;--ok:#4fd1a5}
*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--txt)}
a{color:var(--acc)}
.top{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;max-width:880px;margin:auto}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:20px}
.logo svg{width:28px;height:28px;fill:var(--acc);stroke:var(--acc)}
nav a{margin-left:16px;text-decoration:none;color:var(--muted);font-size:15px}
main{max-width:880px;margin:auto;padding:0 16px 40px}
.hero{padding:30px 4px 24px}
.hero h1{font-size:clamp(26px,5vw,40px);line-height:1.15;margin:0 0 12px}
.hero p{color:var(--muted);font-size:18px;max-width:640px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin:18px 0}
h2{margin:0 0 8px;font-size:22px}
h3{margin:22px 0 8px;font-size:18px}
.muted{color:var(--muted)}
.small{font-size:13px}
.btn{background:var(--acc);color:#06281c;border:0;border-radius:10px;padding:11px 18px;font-weight:700;font-size:15px;cursor:pointer;text-decoration:none;display:inline-block}
.btn.ghost{background:transparent;color:var(--txt);border:1px solid var(--line)}
.btn:disabled{opacity:.55;cursor:default}
.steps{display:flex;gap:6px;margin-bottom:16px;flex-wrap:wrap}
.step{flex:1;background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:10px;padding:8px;font-size:14px;cursor:pointer}
.step.on{border-color:var(--acc);color:var(--txt)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:10px;border:1px solid var(--line);border-radius:12px;margin:8px 0}
.row input[type=text]{flex:1;min-width:120px}
input,select{background:#0c1724;color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:15px}
input[type=number]{width:70px}
.row label{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:6px}
.x{background:transparent;border:0;color:var(--muted);font-size:20px;cursor:pointer;padding:0 6px}
.add{display:flex;gap:8px;margin:12px 0}
.add select{flex:1}
.nav{display:flex;justify-content:space-between;margin-top:18px;gap:8px}
.room{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:12px;border-radius:12px;border:1px solid var(--line);margin:8px 0}
.room .name{font-weight:700}
.room .val{text-align:right;font-variant-numeric:tabular-nums}
.bar{grid-column:1/-1;height:8px;border-radius:4px;background:#0c1724;overflow:hidden}
.bar i{display:block;height:100%;border-radius:4px}
.room .lvl{grid-column:1/-1;font-size:13px;color:var(--muted)}
.room.best{border-color:var(--ok)}
.tag{font-size:12px;border-radius:6px;padding:1px 7px;margin-left:6px;background:var(--ok);color:#06281c;font-weight:700}
.delta{padding:12px;border-radius:12px;background:#0c1724;margin:12px 0}
.delta .down{color:var(--ok);font-weight:700}
.delta .up{color:var(--bad);font-weight:700}
.tips{padding-left:20px}
.tips li{margin:6px 0}
.full{border-color:var(--acc);position:relative}
.badge{position:absolute;top:16px;right:16px;font-size:12px;background:var(--warn);color:#2a1d00;padding:2px 8px;border-radius:6px;font-weight:700}
.list li{margin:4px 0}
details{border-top:1px solid var(--line);padding:10px 0}
summary{cursor:pointer;font-weight:600}
footer{text-align:center;color:var(--muted);font-size:14px;padding:20px}
.ad{position:fixed;inset:0;background:rgba(5,10,18,.86);display:flex;align-items:center;justify-content:center;z-index:9;padding:16px}
.ad[hidden]{display:none}
.adbox{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;max-width:380px;width:100%;text-align:center}
.adslot{min-height:250px;display:flex;align-items:center;justify-content:center;border:1px dashed var(--line);border-radius:10px;color:var(--muted);margin:8px 0}
@media (max-width:520px){nav a{margin-left:10px;font-size:14px}.card{padding:16px}}