:root{
  --surface-deep:#080A0D;--surface:#111418;--elev:#1C1F26;--cont-hi:#272a2f;
  --ink:#e1e2e8;--ink-var:#cfc2d4;--dim:#988d9e;--line:#2a2e36;
  --primary:#deb7ff;--purple:#BD85F2;--purple-deep:#7f39bf;--cyan:#00fedf;--red:#FF4D4D;--gold:#FFD700;
  --r:.25rem;--r-lg:.5rem;--r-xl:.75rem;
  --glow-p:0 0 12px 0 rgba(189,133,242,.30);--glow-c:0 0 12px 0 rgba(0,254,223,.30);
}
*{margin:0;padding:0;box-sizing:border-box}
body{background:var(--surface-deep);color:var(--ink);font:400 15.5px/1.6 Montserrat,sans-serif}
a{text-decoration:none;color:inherit}
.label-caps{font:700 11px/16px 'JetBrains Mono';letter-spacing:.1em;text-transform:uppercase}
.shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--line);padding:20px 14px;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:4px 10px 18px}
.brand .mark{width:36px;height:36px;border-radius:var(--r-lg);display:grid;place-items:center;background:linear-gradient(135deg,var(--purple),var(--purple-deep));font:800 16px Montserrat;color:#fff}
.brand b{font:700 15px/1.2 Montserrat;color:var(--primary)}
.brand small{display:block;font:600 10px/1 'JetBrains Mono';letter-spacing:.12em;color:var(--dim);text-transform:uppercase;margin-top:3px}
.ngroup{margin:14px 0 4px;padding:0 10px}
.ngroup .label-caps{color:var(--dim)}
.nav a{position:relative;display:flex;align-items:center;gap:11px;padding:10px 12px;margin:2px 0;border-radius:var(--r-lg);color:var(--ink-var);font:600 13.5px Montserrat;transition:.15s}
.nav a:hover{background:var(--elev);color:var(--ink)}
.nav a.active{background:var(--elev);color:var(--cyan)}
.nav a.active::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--cyan);box-shadow:var(--glow-c)}
.nav .ico{width:18px;text-align:center;font-size:15px}
.side-cta{margin-top:auto;padding:14px 6px 6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;border-radius:var(--r);font:700 13px Montserrat;transition:.18s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--purple);color:#1a0533}
.btn-primary:hover{box-shadow:var(--glow-p);filter:brightness(1.08)}
.btn-ghost{border-color:var(--cyan);color:var(--cyan)}
.btn-ghost:hover{box-shadow:var(--glow-c)}
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:20px;padding:0 28px;height:58px;background:rgba(28,31,38,.80);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topnav{display:flex;gap:2px}
.topnav a{padding:8px 14px;border-radius:var(--r);font:600 13px Montserrat;color:var(--ink-var)}
.topnav a:hover{color:var(--cyan)}
.topnav a.hot{color:var(--gold)}
.search{margin-left:auto;position:relative}
.search input{width:240px;background:var(--surface-deep);border:1px solid var(--line);border-radius:var(--r);padding:9px 14px 9px 34px;color:var(--ink);font:400 13px Montserrat;outline:none;transition:.15s}
.search input:focus{border-color:var(--cyan);box-shadow:var(--glow-c)}
.search::before{content:"\2315";position:absolute;left:11px;top:7px;color:var(--dim);font-size:16px}
main{max-width:1280px;padding:24px 28px 60px}
.stack-lg{margin-top:48px}.stack-md{margin-top:24px}
.crumb{padding:2px 0 16px;font:600 11px 'JetBrains Mono';letter-spacing:.06em;color:var(--dim);text-transform:uppercase}
.crumb a{color:var(--cyan)}
.page-h{margin-bottom:22px}
.page-h h1{font:800 clamp(26px,3.6vw,38px)/1.15 Montserrat;letter-spacing:-.02em}
.page-h h1 small{display:block;font:600 12px 'JetBrains Mono';letter-spacing:.24em;color:var(--cyan);margin-top:8px;text-transform:uppercase}
.page-h p{color:var(--ink-var);max-width:70ch;margin-top:12px;font-size:14.5px}
.sec{display:flex;align-items:center;gap:16px;margin:40px 0 16px}
.sec h2{font:700 22px Montserrat;white-space:nowrap}
.sec .rule{flex:1;height:1px;background:var(--line)}
.sec a{color:var(--cyan);font:700 11px 'JetBrains Mono';letter-spacing:.08em;text-transform:uppercase}
.panel{background:var(--elev);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px}
.panel p{color:var(--ink-var);margin-bottom:12px}
.panel p:last-child{margin-bottom:0}
.panel b{color:var(--ink)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{font:700 10.5px 'JetBrains Mono';letter-spacing:.08em;text-transform:uppercase;color:var(--dim);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}
td{padding:11px 12px;border-bottom:1px solid rgba(42,46,54,.5);color:var(--ink-var)}
td:first-child{font:700 13px Montserrat;color:var(--ink)}
tr:last-child td{border:none}
.ugrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.ucard{position:relative;aspect-ratio:2/3;border-radius:var(--r-lg);overflow:hidden;background:var(--elev);border:1px solid var(--line);transition:.18s;display:block}
.ucard:hover{border-color:var(--uc,var(--purple));box-shadow:0 0 12px 0 color-mix(in srgb,var(--uc,var(--purple)) 30%,transparent);transform:translateY(-3px)}
.ucard .art{position:absolute;inset:0;display:grid;place-items:center;font:800 60px Montserrat;color:color-mix(in srgb,var(--uc,var(--purple)) 80%,#fff 20%);background:radial-gradient(140px 180px at 50% 60%,color-mix(in srgb,var(--uc,var(--purple)) 22%,transparent),transparent),linear-gradient(180deg,var(--cont-hi),var(--elev));text-shadow:0 0 30px color-mix(in srgb,var(--uc,var(--purple)) 70%,transparent)}
.ucard .fade{position:absolute;inset:auto 0 0 0;height:46%;background:linear-gradient(180deg,transparent,rgba(0,0,0,.92))}
.ucard .nm{position:absolute;left:12px;right:12px;bottom:26px;font:700 14.5px Montserrat;color:#fff}
.ucard .real{position:absolute;left:12px;right:12px;bottom:10px;font:600 10px 'JetBrains Mono';letter-spacing:.05em;color:var(--cyan)}
.badge{position:absolute;top:10px;left:10px;font:700 10px 'JetBrains Mono';letter-spacing:.1em;padding:3px 8px;border-radius:3px;color:#0b0b0f;background:var(--uc,var(--purple));text-transform:uppercase;z-index:2}
.u-secret{--uc:var(--red)}.u-mythic{--uc:var(--purple)}.u-exclusive{--uc:#ff8adf}
.u-legendary{--uc:var(--gold)}.u-epic{--uc:#7dd3fc}.u-rare{--uc:#86efac}
.pill{font:700 10.5px 'JetBrains Mono';letter-spacing:.1em;text-transform:uppercase;padding:4px 11px;border-radius:3px;display:inline-block}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.chips .fc{border:1px solid var(--line);border-radius:99px;padding:7px 16px;font:700 11px 'JetBrains Mono';letter-spacing:.06em;color:var(--ink-var);cursor:pointer;background:none;text-transform:uppercase;transition:.15s}
.chips .fc:hover{border-color:var(--cyan);color:var(--cyan)}
.chips .fc.on{background:var(--purple);border-color:var(--purple);color:#1a0533}
.tier-block{display:grid;grid-template-columns:74px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin-bottom:14px;background:var(--elev)}
.tier-block .tl{display:grid;place-items:center;font:800 30px Montserrat;color:#0b0b0f}
.tier-block .tr2{padding:14px 16px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.uchip{display:inline-flex;align-items:center;gap:8px;background:var(--surface-deep);border:1px solid var(--line);border-radius:var(--r);padding:7px 12px;font:700 12.5px Montserrat;transition:.15s}
.uchip:hover{border-color:var(--cyan);color:var(--cyan)}
.uchip small{font:600 9.5px 'JetBrains Mono';color:var(--cyan)}
.t-s{background:linear-gradient(135deg,#FF4D4D,#ff8a5d)}.t-a{background:linear-gradient(135deg,#FFD700,#ffb547)}
.t-b{background:linear-gradient(135deg,#00fedf,#59c8ff)}.t-c{background:linear-gradient(135deg,#988d9e,#6b6b78)}
.code-table code{font:700 13px 'JetBrains Mono';color:var(--primary);letter-spacing:.04em}
.copybtn{font:700 10px 'JetBrains Mono';letter-spacing:.06em;background:var(--purple);color:#1a0533;border:none;border-radius:3px;padding:5px 10px;cursor:pointer}
.copybtn:hover{box-shadow:var(--glow-p)}
.status-ok{color:#4ade80;font:700 10.5px 'JetBrains Mono'}
.status-x{color:var(--red);font:700 10.5px 'JetBrains Mono'}
.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gcard{background:var(--elev);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;transition:.18s;display:block}
.gcard:hover{border-color:var(--gc,var(--purple));box-shadow:0 0 12px 0 color-mix(in srgb,var(--gc,var(--purple)) 30%,transparent);transform:translateY(-2px)}
.gcard .gi{font-size:24px;color:var(--gc,var(--purple));margin-bottom:10px}
.gcard b{display:block;font:700 15px Montserrat;margin-bottom:6px}
.gcard p{font-size:12.5px;color:var(--dim)}
.gcard .tag{margin-top:12px;display:inline-block}
details{background:var(--elev);border:1px solid var(--line);border-radius:var(--r-lg);margin-bottom:10px;overflow:hidden}
summary{cursor:pointer;padding:15px 20px;font:700 14.5px Montserrat;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::after{content:"+";color:var(--cyan);font:700 18px 'JetBrains Mono';transition:.2s}
details[open] summary::after{transform:rotate(45deg)}
details .dp{padding:0 20px 16px;color:var(--ink-var);font-size:14px}
.steps{counter-reset:s}
.steps li{list-style:none;position:relative;padding:0 0 14px 44px;color:var(--ink-var)}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font:700 12px 'JetBrains Mono';color:#1a0533;background:var(--purple)}
.steps li b{color:var(--ink)}
.meta-note{margin:26px 0 0;font:600 11px 'JetBrains Mono';color:var(--dim)}
.meta-note b{color:#4ade80}
footer{border-top:1px solid var(--line);padding:30px 28px;text-align:center;background:var(--surface)}
footer p{max-width:62ch;margin:0 auto 14px;font-size:12.5px;color:var(--dim)}
footer .fl{display:flex;gap:22px;justify-content:center;flex-wrap:wrap}
footer .fl a{font:700 11px 'JetBrains Mono';letter-spacing:.06em;color:var(--ink-var);text-decoration:underline;text-underline-offset:3px}
footer .fl a:hover{color:var(--cyan)}
footer .cc{margin-top:16px;font:600 10.5px 'JetBrains Mono';color:#565d6b}
.menu-btn{display:none;place-items:center;width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r);background:none;color:var(--ink);font-size:17px;cursor:pointer}
/* tools */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.calc .field{margin-bottom:16px}
.calc label{display:block;font:700 10.5px 'JetBrains Mono';letter-spacing:.08em;color:var(--dim);text-transform:uppercase;margin-bottom:7px}
.calc input,.calc select{width:100%;background:var(--surface-deep);border:1px solid var(--line);border-radius:var(--r);padding:11px 14px;color:var(--ink);font:600 14px 'JetBrains Mono';outline:none}
.calc input:focus,.calc select:focus{border-color:var(--cyan);box-shadow:var(--glow-c)}
.result{border:1px solid var(--purple);border-radius:var(--r-lg);box-shadow:var(--glow-p);padding:24px;background:linear-gradient(180deg,#1a1030,var(--elev))}
.result .rv{font:600 34px 'JetBrains Mono';color:var(--cyan)}
.result .rl{font:700 10.5px 'JetBrains Mono';letter-spacing:.1em;color:var(--dim);text-transform:uppercase}
.result .sub{margin-top:14px;font-size:13px;color:var(--ink-var)}
.bar{height:8px;border-radius:4px;background:var(--cont-hi);overflow:hidden;margin-top:8px}
.bar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,var(--purple),var(--cyan))}
@media(max-width:1024px){
  .shell{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-290px;z-index:60;transition:.25s;width:280px}
  .sidebar.open{left:0;box-shadow:20px 0 60px rgba(0,0,0,.6)}
  .menu-btn{display:grid}
  .topnav{display:none}
  .search{flex:1}.search input{width:100%}
  .cardgrid{grid-template-columns:1fr}
  .calc{grid-template-columns:1fr}
  .tier-block{grid-template-columns:56px 1fr}
}