:root{--ink:#10232e;--ink-2:#2a4250;--muted:#647784;--rule:#e3eaee;--paper:#f4f7f8;--accent:#0b8a6f;--accent-2:#07705a;--accent-soft:#e3f5ee;--hero:#0d2029;--hero-2:#123241;--gold:#f0b90b;--error:#b63a4c;--radius:16px;--font:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{font-family:var(--font);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.55}
svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.auth{display:grid;grid-template-columns:minmax(380px,1fr) minmax(460px,1.05fr);min-height:100%}

/* Hero */
.auth-hero{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:44px 56px;color:#d6e4ea;background:radial-gradient(1200px 600px at -10% -10%,#1b4c5c 0,transparent 60%),radial-gradient(700px 500px at 120% 110%,#0e5b4a 0,transparent 55%),linear-gradient(160deg,var(--hero-2),var(--hero))}
.auth-hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(180deg,#000 0,transparent 85%);pointer-events:none}
.auth-hero>*{position:relative;z-index:1}
.auth-brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-size:22px;font-weight:700;letter-spacing:-.6px}
.auth-brand b{font-weight:400;color:#cfe3e8}.auth-brand small{display:block;font-size:8.5px;letter-spacing:2.2px;color:#87a6b1;font-weight:600;margin-top:2px}
.auth-logo{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#ffffff10;border:1px solid #ffffff1c;color:#6fe0bd}.auth-logo svg{width:24px;height:24px}
.auth-hero-body{max-width:500px;padding:48px 0}
.auth-kicker{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.4px;color:#a9c7cf;background:#ffffff0d;border:1px solid #ffffff17;padding:6px 12px;border-radius:999px;margin-bottom:26px}
.auth-kicker .dot{width:7px;height:7px;border-radius:50%;background:#3ddc97;box-shadow:0 0 0 4px #3ddc9726;animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px #3ddc9710}}
.auth-hero h1{font-size:40px;line-height:1.12;letter-spacing:-1.4px;color:#fff;font-weight:700}
.auth-hero h1 span{background:linear-gradient(90deg,#6fe0bd,#9fd8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.auth-lead{margin-top:18px;font-size:15px;line-height:1.7;color:#a9bfc8;max-width:440px}
.auth-points{list-style:none;padding:0;margin-top:34px;display:grid;gap:18px}
.auth-points li{display:flex;gap:14px}.auth-points li>span{color:#6fe0bd;font-size:10px;margin-top:5px}
.auth-points strong{display:block;color:#eef6f8;font-size:13.5px;font-weight:600}.auth-points small{display:block;color:#93aeb8;font-size:12.5px;line-height:1.6;margin-top:2px}
.auth-foot{font-size:11px;color:#7f9ca7}

/* Card */
.auth-main{display:grid;place-items:center;padding:40px 28px}
.auth-card{width:100%;max-width:480px;background:#fff;border:1px solid var(--rule);border-radius:22px;padding:34px 34px 22px;box-shadow:0 1px 2px #10232e0a,0 18px 50px -12px #10232e24}
.auth-card header h2{font-size:26px;letter-spacing:-.8px;font-weight:700}.auth-card header p{color:var(--muted);margin-top:4px}
.owner-hint{margin-top:16px;padding:10px 13px;border-radius:10px;background:#fff8e1;border:1px solid #f4e2a8;color:#7a5b06;font-size:12.5px}

.tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;margin:22px 0 18px;padding:4px;background:#f0f4f6;border-radius:12px}
.tabs button{display:flex;align-items:center;justify-content:center;gap:7px;border:0;background:none;color:var(--muted);font-size:12.5px;font-weight:600;padding:9px 6px;border-radius:9px;transition:background .15s,color .15s,box-shadow .15s}
.tabs button svg{width:16px;height:16px;flex-shrink:0}
.tabs button:hover{color:var(--ink)}
.tabs button[aria-selected=true]{background:#fff;color:var(--ink);box-shadow:0 1px 3px #10232e1f}
.panel{min-height:236px}

.wallet-list{display:grid;gap:10px}
.wallet-option{display:flex;align-items:center;gap:14px;width:100%;padding:13px 15px;border:1px solid var(--rule);border-radius:13px;background:#fff;text-align:left;transition:border-color .15s,box-shadow .15s,transform .15s}
.wallet-option:hover{border-color:#b9d9cf;box-shadow:0 6px 18px -8px #0b8a6f55;transform:translateY(-1px)}
.wallet-option.is-busy{opacity:.6;pointer-events:none}
.wallet-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;background:#f1f5f7;font-weight:700;color:var(--ink-2);overflow:hidden;flex-shrink:0}.wallet-icon img{width:28px;height:28px}
.wallet-text{flex:1;min-width:0}.wallet-text strong{display:block;font-size:14px}.wallet-text small{color:var(--muted);font-size:12px}
.wallet-arrow{color:#9fb2bb;font-size:18px;transition:transform .15s,color .15s}.wallet-option:hover .wallet-arrow{transform:translateX(3px);color:var(--accent)}
.empty-state{padding:22px;border:1px dashed #cfdbe1;border-radius:13px;background:#fafcfc;text-align:center}.empty-state strong{display:block;margin-bottom:6px}.empty-state p{color:var(--muted);font-size:13px;line-height:1.65}

.qr-layout{display:grid;grid-template-columns:200px 1fr;gap:22px;align-items:start}
.qr-frame{position:relative;padding:10px;border-radius:16px;background:linear-gradient(140deg,#f6851b,#e2761b 45%,#cd6116);box-shadow:0 10px 26px -12px #e2761b88}
.qr-frame.binance{background:linear-gradient(140deg,#f8d12f,var(--gold) 50%,#d9a406);box-shadow:0 10px 26px -12px #f0b90b88}
.qr{width:180px;height:180px;border-radius:10px;background:#fff;display:grid;place-items:center;overflow:hidden}
.qr svg{width:100%;height:100%;display:block;stroke:none}.qr svg *{stroke:none}
.qr.is-loading{background:linear-gradient(90deg,#f2f5f7 0,#fff 50%,#f2f5f7 100%) 0 0/200% 100%;animation:shimmer 1.2s linear infinite}
@keyframes shimmer{to{background-position:-200% 0}}
.qr.is-expired svg{opacity:.12;filter:blur(1.5px)}
.qr-refresh{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:none;border:0;background:var(--ink);color:#fff;padding:9px 14px;border-radius:999px;font-size:12px;font-weight:600;box-shadow:0 6px 16px #10232e40}
.qr.is-expired+.qr-refresh{display:block}
.qr-side h3{font-size:15px;letter-spacing:-.2px;margin-bottom:12px}
.steps{list-style:none;padding:0;display:grid;gap:9px;counter-reset:s}
.steps li{counter-increment:s;display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.45}
.steps li:before{content:counter(s);flex-shrink:0;display:grid;place-items:center;width:20px;height:20px;border-radius:50%;font-size:10.5px;font-weight:700;background:#eef2f4;color:#7b8f99}
.steps li[data-state=active]{color:var(--ink)}.steps li[data-state=active]:before{background:var(--ink);color:#fff}
.steps li[data-state=done]{color:var(--accent-2)}.steps li[data-state=done]:before{content:"✓";background:var(--accent-soft);color:var(--accent-2)}
.qr-meta{margin-top:14px;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.pair{margin-top:14px;font-size:12px;color:var(--muted)}.pair code{font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:3px;color:var(--ink);background:#fff6d6;border:1px solid #f3e1a0;border-radius:7px;padding:2px 8px;margin-left:6px}
.text-link{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--accent-2);font-weight:600;text-decoration:none}.text-link:hover{text-decoration:underline}
.fine{margin-top:16px;font-size:11.5px;color:var(--muted);line-height:1.6}

.notice{margin-top:16px;padding:11px 13px;border-radius:11px;font-size:13px;line-height:1.5;background:#eef6fb;color:#204a63;border:1px solid #d6e8f3}
.notice[data-kind=ok]{background:var(--accent-soft);color:var(--accent-2);border-color:#bfe6d6}
.notice[data-kind=error]{background:#fdf0f2;color:var(--error);border-color:#f3d2d8}
.card-foot{display:flex;align-items:center;gap:8px;margin-top:22px;padding-top:16px;border-top:1px solid var(--rule);font-size:11.5px;color:var(--muted)}.card-foot svg{width:15px;height:15px;color:var(--accent);flex-shrink:0}

@media (max-width:980px){.auth{grid-template-columns:1fr}.auth-hero{padding:28px 24px}.auth-hero-body{padding:26px 0 8px}.auth-hero h1{font-size:30px}.auth-points,.auth-foot{display:none}.auth-main{padding:24px 16px 40px}}
@media (max-width:520px){.auth-card{padding:24px 18px 16px;border-radius:18px}.qr-layout{grid-template-columns:1fr;justify-items:center;text-align:left}.tabs button{font-size:11.5px;gap:5px}.tabs button svg{display:none}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
[hidden]{display:none!important}
.guard{display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:11px 13px;border-radius:11px;background:#fff6e5;border:1px solid #f1d9a6;font-size:12px;line-height:1.55;color:#6b4d0d;cursor:pointer}.guard input{margin-top:3px;accent-color:var(--accent);flex-shrink:0}