:root{--fg:#14181f;--muted:#667085;--accent:#1b6ef3;--accent-ink:#fff;--border:#e4e7ec;--bg:#fff;--bg-soft:#f8fafc;--shadow:0 1px 2px rgba(16,24,40,.04),0 4px 16px rgba(16,24,40,.06);--radius:12px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:light}*{box-sizing:border-box}body{margin:0;color:var(--fg);background:var(--bg-soft);line-height:1.5}h1{font-size:26px;letter-spacing:-.02em;margin:0 0 4px}.site-header{display:flex;align-items:center;gap:24px;padding:12px 24px;background:var(--bg);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.site-header .brand{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:19px;letter-spacing:-.02em;text-decoration:none;color:var(--fg)}.site-header .brand:before{content:"";width:12px;height:12px;border-radius:4px;background:var(--accent)}.site-header nav{display:flex;gap:20px}.site-header .lang-switcher{-webkit-margin-start:auto;margin-inline-start:auto;padding:6px 10px;border-radius:8px}.site-header a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500}.site-header nav a:hover{color:var(--accent)}.container{max-width:960px;margin:0 auto;padding:28px 24px 64px}.card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:14px;box-shadow:var(--shadow)}.row{gap:12px;flex-wrap:wrap}.row,label{display:flex}label{flex-direction:column;gap:5px;font-size:13px;font-weight:500;color:var(--muted)}input,select{padding:10px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;background:var(--bg);color:var(--fg)}input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}button{background:var(--accent);color:var(--accent-ink);border:0;border-radius:9px;padding:10px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:filter .15s ease}button:hover:not(:disabled){filter:brightness(.94)}button:disabled{opacity:.5;cursor:default}.price{font-weight:800;font-size:17px}.muted{color:var(--muted);font-size:13px}.error{color:#b42318;font-size:14px}.badge{display:inline-block;background:var(--bg-soft);border:1px solid var(--border);border-radius:999px;padding:3px 11px;font-size:12px;font-weight:500;color:var(--muted)}.auth-split{display:grid;grid-template-columns:1.05fr 1fr;grid-gap:28px;gap:28px;align-items:stretch;margin-top:8px}.brand-panel{border-radius:var(--radius);padding:32px;color:#fff;background:radial-gradient(120% 120% at 0 0,color-mix(in srgb,var(--accent) 78%,#000 6%),var(--accent));box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}.brand-panel .brand-word{font-size:30px;font-weight:800;letter-spacing:-.03em}.brand-panel .brand-tag{font-size:16px;opacity:.92;max-width:34ch}.brand-panel ul{margin:8px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}.brand-panel li{display:flex;gap:10px;align-items:flex-start;font-size:14px;opacity:.95}.brand-panel li:before{content:"✓";font-weight:800;opacity:.85}.auth-form-wrap{display:flex;flex-direction:column;justify-content:center}@media (max-width:760px){.auth-split{grid-template-columns:1fr}.brand-panel{order:-1}}