*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0f172a;--card:#1e293b;--line:#334155;--text:#e2e8f0;--muted:#94a3b8;--primary:#0d9488;--accent:#f59e0b}
body{font-family:-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;padding:16px}
.wrap{max-width:720px;margin:0 auto}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.top a{color:#2dd4bf;text-decoration:none;font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:16px}
h1{font-size:24px;margin-bottom:6px}
.sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.steps{display:flex;gap:8px;margin-bottom:18px}
.step{flex:1;text-align:center;font-size:12px;color:var(--muted);padding:8px;border-radius:999px;border:1px solid var(--line)}
.step.on{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}
label{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
input,select{width:100%;padding:12px;border-radius:10px;border:2px solid var(--line);background:#0f172a;color:var(--text);font-size:16px}
input:focus,select:focus{outline:none;border-color:#2dd4bf}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tariff-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
.tariff{border:2px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;background:#0f172a}
.tariff.on{border-color:var(--accent);box-shadow:0 0 0 1px rgba(245,158,11,.3)}
.tariff.featured{position:relative}
.tariff .badge{position:absolute;top:-8px;right:8px;background:var(--accent);color:#111827;font-size:10px;font-weight:800;padding:2px 8px;border-radius:999px}
.tariff h3{font-size:15px;margin-bottom:4px}
.tariff p{font-size:12px;color:var(--muted)}
.btn{width:100%;padding:14px;border:none;border-radius:10px;background:var(--primary);color:#fff;font-size:16px;font-weight:700;cursor:pointer;margin-top:14px}
.btn.secondary{background:transparent;border:1px solid var(--line);color:var(--muted);margin-top:8px}
.err{background:#450a0a;border:1px solid #ef4444;color:#fecaca;padding:10px;border-radius:8px;font-size:13px;margin-top:12px;display:none}
.ok{text-align:center;padding:24px 8px}
.ok h2{color:#6ee7b7;margin-bottom:8px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.check{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted);margin-top:12px}
.check input{width:auto;margin-top:2px}
.slug-row{display:flex;gap:8px;align-items:center}
.slug-ok{font-size:12px;color:#6ee7b7;white-space:nowrap}
.slug-bad{font-size:12px;color:#fca5a5;white-space:nowrap}
.panel-hint{color:var(--muted);font-size:14px;margin-bottom:14px}
.field-hint{font-size:12px;color:var(--muted);margin:-4px 0 8px}
.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:8px}
.mode-card{border:2px solid var(--line);border-radius:14px;padding:14px;cursor:pointer;background:#0f172a;position:relative}
.mode-card.on{border-color:var(--accent);box-shadow:0 0 0 1px rgba(245,158,11,.35)}
.mode-card.featured{}
.mode-card .badge{position:absolute;top:-8px;right:8px;background:var(--accent);color:#111827;font-size:10px;font-weight:800;padding:2px 8px;border-radius:999px}
.mode-card h3{font-size:16px;margin-bottom:6px}
.mode-card p{font-size:13px;color:var(--muted);margin-bottom:8px}
.mode-card ul{font-size:12px;color:var(--muted);padding-left:18px}
@media(max-width:640px){.grid2,.tariff-grid,.mode-grid{grid-template-columns:1fr}}