:root{
  --bg:#07080B;--surface:#0E1015;--card:#12141B;--card2:#171a23;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);
  --text:#F3F4F6;--muted:#9CA3AF;--dim:#6B7280;--brand:#FF8A00;--brand2:#E06D00;--gold:#FFC000;
  --good:#34D399;--bad:#F87171;--warn:#FBBF24;--r:16px;
  --pad:max(16px,env(safe-area-inset-left));
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 Inter,system-ui,-apple-system,sans-serif;min-height:100vh;
  background-image:radial-gradient(900px 400px at 85% -10%,rgba(255,138,0,.12),transparent 60%),radial-gradient(700px 400px at -10% 110%,rgba(255,192,0,.06),transparent 60%)}
h1,h2,h3{font-family:Outfit,Inter,sans-serif;margin:0;letter-spacing:-.01em}
a{color:var(--gold)}
.hidden{display:none!important}
.muted{color:var(--muted)}.dim{color:var(--dim)}.small{font-size:13px}.b{font-weight:600}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* top bar */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px var(--pad);
  background:rgba(7,8,11,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font:600 16px Outfit,sans-serif}
.brand b{color:var(--brand)}
.logo{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font:800 17px Outfit;color:#1a1000;background:linear-gradient(135deg,var(--gold),var(--brand))}
.top-r{display:flex;align-items:center;gap:8px}
.prog{position:relative;width:132px;height:30px;border-radius:99px;background:var(--card);border:1px solid var(--line);overflow:hidden}
.prog i{position:absolute;inset:0 auto 0 0;width:0;background:linear-gradient(90deg,rgba(255,138,0,.5),rgba(255,192,0,.5));transition:width .5s}
.prog span{position:relative;display:block;text-align:center;font:600 12px/30px Inter}

/* buttons */
.btn{appearance:none;border:1px solid var(--line2);background:var(--card2);color:var(--text);font:600 15px Inter,sans-serif;padding:12px 18px;border-radius:12px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .08s,background .15s,border-color .15s}
.btn:hover{border-color:rgba(255,138,0,.5)}
.btn:active{transform:scale(.98)}
.btn:disabled{opacity:.5;cursor:default}
.btn.primary{background:linear-gradient(135deg,var(--gold),var(--brand));color:#1a1000;border-color:transparent}
.btn.primary:hover{filter:brightness(1.06)}
.btn.good{background:rgba(52,211,153,.14);border-color:rgba(52,211,153,.5);color:var(--good)}
.btn.bad{background:rgba(248,113,113,.12);border-color:rgba(248,113,113,.45);color:var(--bad)}
.btn.ghost{background:transparent}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:10px}
.btn.block{width:100%}
.btn.on{outline:2px solid var(--brand);outline-offset:1px}

/* layout */
#app{max-width:1080px;margin:0 auto;padding:20px var(--pad) 120px}
.boot{padding:80px 0;text-align:center;color:var(--muted)}
.layout{display:grid;grid-template-columns:280px 1fr;gap:22px;align-items:start}
.side{position:sticky;top:64px;max-height:calc(100vh - 84px);overflow:auto;padding-right:4px}
.phase{margin:0 0 14px}
.phase h4{margin:0 0 6px;font:700 11px Inter;letter-spacing:.09em;text-transform:uppercase;color:var(--dim)}
.si{display:flex;align-items:center;gap:10px;width:100%;text-align:left;background:none;border:0;color:var(--muted);font:500 14px Inter;padding:8px 10px;border-radius:10px;cursor:pointer}
.si:hover{background:var(--card)}
.si.cur{background:var(--card);color:var(--text);box-shadow:inset 2px 0 0 var(--brand)}
.dot{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:11px;font-weight:700;border:1.5px solid var(--line2);color:var(--dim)}
.dot.pass{background:var(--good);border-color:var(--good);color:#06281c}
.dot.fail{background:var(--bad);border-color:var(--bad);color:#2b0707}
.dot.skip{border-style:dashed}
.dot.lock{border-style:dotted}
.si .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.step-h{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:6px}
.chip{display:inline-block;font:700 11px Inter;letter-spacing:.07em;text-transform:uppercase;color:var(--brand);background:rgba(255,138,0,.1);padding:4px 9px;border-radius:99px}
.badge{font:600 12px Inter;padding:4px 10px;border-radius:99px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap}
.badge.pass{color:var(--good);border-color:rgba(52,211,153,.5)}
.badge.fail{color:var(--bad);border-color:rgba(248,113,113,.5)}
.card h2{font-size:26px;line-height:1.2;margin:8px 0 8px}
.intro{color:var(--muted);margin:0 0 14px}
ol.how{list-style:none;counter-reset:s;margin:14px 0;padding:0;display:grid;gap:10px}
ol.how li{counter-increment:s;display:grid;grid-template-columns:30px 1fr;gap:12px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
ol.how li::before{content:counter(s);width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font:700 13px Inter;color:#1a1000;background:linear-gradient(135deg,var(--gold),var(--brand))}
.warn,.tip{border-radius:12px;padding:11px 14px;margin:14px 0;font-size:14px}
.warn{background:rgba(251,191,36,.08);border:1px solid rgba(251,191,36,.35);color:#fde68a}
.tip{background:rgba(255,138,0,.07);border:1px solid rgba(255,138,0,.25);color:#ffd9a8}
.q{margin:16px 0}
.q>label{display:block;font-weight:600;margin-bottom:8px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{flex:1 1 auto;min-width:78px}
.seg button.on{background:rgba(255,138,0,.16);border-color:var(--brand);color:#ffe0b8}
input[type=text],input[type=email],input[type=password],textarea,select{width:100%;background:var(--surface);color:var(--text);border:1px solid var(--line2);border-radius:12px;padding:12px 14px;font:16px Inter,sans-serif;outline:none}
textarea{min-height:92px;resize:vertical}
textarea.log{min-height:180px;font:13px ui-monospace,Menlo,monospace}
input:focus,textarea:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,138,0,.15)}
label.f{display:block;font:600 13px Inter;color:var(--muted);margin:14px 0 6px}
.drop{border:1.5px dashed var(--line2);border-radius:14px;padding:16px;text-align:center;color:var(--muted);cursor:pointer;transition:.15s}
.drop:hover,.drop.over{border-color:var(--brand);color:var(--text);background:rgba(255,138,0,.05)}
.files{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.file{display:inline-flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:6px 8px 6px 10px;font-size:13px;max-width:100%}
.file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:200px}
.file button{border:0;background:none;color:var(--dim);cursor:pointer;font-size:16px;line-height:1}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.actions .btn{flex:1 1 150px}
.nav2{display:flex;justify-content:space-between;margin-top:14px}
.hr{height:1px;background:var(--line);margin:18px 0}

/* special widgets */
.plat{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:14px 0}
.plat button{text-align:left;background:var(--surface);border:1.5px solid var(--line);border-radius:14px;padding:16px;color:var(--text);cursor:pointer;font:inherit;transition:.15s}
.plat button:hover{border-color:rgba(255,138,0,.6)}
.plat button.on{border-color:var(--brand);background:rgba(255,138,0,.08)}
.plat .ic{font-size:26px}.plat b{display:block;font:600 16px Outfit;margin:4px 0 2px}.plat span{color:var(--muted);font-size:13px}
.dl{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,rgba(255,192,0,.12),rgba(255,138,0,.1));border:1px solid rgba(255,138,0,.4);border-radius:16px;padding:16px;text-decoration:none;color:var(--text);margin:14px 0}
.dl .ic{font-size:34px}.dl b{display:block;font:700 18px Outfit}.dl span{color:var(--muted);font-size:13px}.dl .go{margin-left:auto}
details.more{margin:12px 0;border:1px solid var(--line);border-radius:12px;padding:10px 14px;background:var(--surface)}
details.more summary{cursor:pointer;color:var(--muted);font-weight:600}
details.more a{display:block;padding:8px 0;color:var(--text)}
.detect{display:flex;gap:10px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:12px 0}
.key{margin:16px 0;background:var(--surface);border:1px solid rgba(255,192,0,.4);border-radius:14px;padding:16px;text-align:center}
.key code{display:block;font-size:20px;color:var(--gold);letter-spacing:.04em;margin:8px 0;word-break:break-all}
.timer{margin:14px 0;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.timer .n{font:800 44px Outfit;color:var(--gold);font-variant-numeric:tabular-nums}
.auth{max-width:440px;margin:30px auto}
.auth h1{font-size:30px;margin-bottom:6px}
.tabs{display:flex;gap:6px;background:var(--surface);padding:5px;border-radius:12px;margin:18px 0 6px}
.tabs button{flex:1;background:none;border:0;color:var(--muted);font:600 14px Inter;padding:9px;border-radius:9px;cursor:pointer}
.tabs button.on{background:var(--card2);color:var(--text)}
.chk{display:flex;gap:10px;align-items:flex-start;margin:14px 0;color:var(--muted);font-size:14px}
.chk input{margin-top:3px;width:18px;height:18px;accent-color:var(--brand)}
.err{color:var(--bad);font-size:14px;margin-top:10px;min-height:20px}
.hero-list{display:grid;gap:8px;margin:18px 0;padding:0;list-style:none;color:var(--muted)}
.hero-list li::before{content:"✓ ";color:var(--good);font-weight:700}

/* toast + dialog */
.toasts{position:fixed;left:0;right:0;bottom:calc(16px + env(safe-area-inset-bottom));display:grid;gap:8px;justify-items:center;z-index:50;pointer-events:none;padding:0 16px}
.toast{pointer-events:auto;background:#20232d;border:1px solid var(--line2);padding:10px 16px;border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,.5);font-weight:600;animation:up .25s}
.toast.good{border-color:rgba(52,211,153,.6)}.toast.bad{border-color:rgba(248,113,113,.6)}
@keyframes up{from{transform:translateY(10px);opacity:0}}
dialog{background:var(--card);color:var(--text);border:1px solid var(--line2);border-radius:18px;padding:22px;width:min(440px,92vw)}
dialog::backdrop{background:rgba(0,0,0,.65)}
dialog h3{margin-bottom:10px}
.spin{display:inline-block;width:14px;height:14px;border:2px solid var(--line2);border-top-color:var(--brand);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

@media(max-width:860px){
  .layout{grid-template-columns:1fr}
  .side{position:fixed;inset:0 0 0 auto;width:min(340px,88vw);max-height:none;background:var(--bg);z-index:40;padding:70px 14px 20px;border-left:1px solid var(--line2);transform:translateX(105%);transition:transform .25s}
  .side.open{transform:none;box-shadow:-30px 0 80px rgba(0,0,0,.6)}
  .card{padding:18px}.card h2{font-size:23px}
  .plat{grid-template-columns:1fr 1fr}
  .prog{width:92px}
  .brand span:last-child{display:none}
}
@media(min-width:861px){#listBtn{display:none!important}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}