:root{--bg: #0b0f16;--bg-soft: #111826;--card: #16202f;--card-hover: #1c2a3d;--border: #23324a;--text: #eaf1fb;--muted: #8ba0bd;--accent: #0098ea;--accent-2: #6c5ce7;--accent-soft: rgba(0, 152, 234, .12);--success: #2ecc71;--danger: #ff5c6c;--gold: #f2c14e;--radius: 16px;--radius-sm: 10px;--shadow: 0 18px 40px rgba(0, 0, 0, .45);color-scheme:dark}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:radial-gradient(1200px 700px at 50% -200px,#17233a 0%,var(--bg) 55%) no-repeat,var(--bg);color:var(--text);font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.app-shell{display:flex;flex-direction:column;min-height:100vh}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 20px}.site-header{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:#0b0f16c7;border-bottom:1px solid var(--border)}.site-header .container{display:flex;align-items:center;gap:12px;height:64px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.4px;font-size:20px}.brand-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 22px #0098ea80}.nav{display:flex;gap:4px;margin-left:14px}.nav a{padding:8px 14px;border-radius:999px;color:var(--muted);font-weight:600;font-size:14px;transition:background .15s,color .15s}.nav a:hover,.nav a.active{color:var(--text);background:var(--accent-soft)}.header-spacer{flex:1}.btn{border:1px solid transparent;border-radius:var(--radius-sm);padding:10px 16px;font-weight:700;font-size:14px;background:var(--card);color:var(--text);transition:transform .08s,background .15s,border-color .15s}.btn:hover{background:var(--card-hover)}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--accent),#0077c2);color:#fff}.btn-primary:hover{background:linear-gradient(135deg,#12a6f0,var(--accent))}.btn-ghost{background:transparent;border-color:var(--border)}.btn-gold{background:linear-gradient(135deg,#f2c14e,#d99b1f);color:#241a00}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:6px 12px;font-size:13px}.hero{position:relative;padding:72px 0 56px;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(2px 2px at 20% 30%,rgba(255,255,255,.7),transparent),radial-gradient(1.5px 1.5px at 70% 20%,rgba(255,255,255,.5),transparent),radial-gradient(1.5px 1.5px at 40% 70%,rgba(255,255,255,.45),transparent),radial-gradient(2px 2px at 85% 60%,rgba(255,255,255,.55),transparent),radial-gradient(1px 1px at 55% 45%,rgba(255,255,255,.4),transparent);opacity:.5;pointer-events:none}.hero h1{font-size:clamp(32px,5vw,52px);margin:0 0 12px;line-height:1.08}.hero p{color:var(--muted);font-size:18px;max-width:620px}.grad{background:linear-gradient(120deg,var(--accent),var(--accent-2) 70%);-webkit-background-clip:text;background-clip:text;color:transparent}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.grid{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.section{padding:32px 0}.section-title{display:flex;align-items:center;justify-content:space-between;margin:0 0 18px}.section-title h2{font-size:24px;margin:0}.feature-card{display:flex;flex-direction:column;gap:8px}.feature-icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:22px;background:var(--accent-soft)}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);font-size:14px}.table th{color:var(--muted);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.08em}.table tr:hover td{background:#0098ea0d}.mono{font-family:SFMono-Regular,ui-monospace,Cascadia Code,monospace;font-size:12px;word-break:break-all}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:var(--accent-soft);color:var(--accent)}.badge.success{background:#2ecc7124;color:var(--success)}.badge.danger{background:#ff5c6c24;color:var(--danger)}.badge.gold{background:#f2c14e29;color:var(--gold)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:13px;color:var(--muted);font-weight:600}.input,select.input{background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-sm);padding:11px 13px;color:var(--text);font:inherit;outline:none;transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.form-card{max-width:440px;margin:60px auto}.alert{border-radius:var(--radius-sm);padding:11px 14px;font-size:14px;margin-bottom:14px}.alert-error{background:#ff5c6c1f;border:1px solid rgba(255,92,108,.35);color:#ffb3bb}.alert-ok{background:#2ecc711f;border:1px solid rgba(46,204,113,.35);color:#a7f0c4}.alert-info{background:var(--accent-soft);border:1px solid rgba(0,152,234,.35);color:#bfe4ff}.muted{color:var(--muted)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spacer{flex:1}.price{font-size:26px;font-weight:800}.price .unit{font-size:14px;color:var(--muted);font-weight:600}.footer{margin-top:auto;border-top:1px solid var(--border);padding:28px 0;color:var(--muted);font-size:13px}.username-hero{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.avatar{width:64px;height:64px;border-radius:20px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;font-size:28px;font-weight:800}.two-col{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}@media(max-width:760px){.grid-3{grid-template-columns:1fr}.nav{display:none}.form-card{margin:24px auto}.two-col{grid-template-columns:1fr}}.balance-chip{border-color:var(--accent)!important;color:var(--accent)!important;font-variant-numeric:tabular-nums;font-weight:700}