:root{color-scheme:dark;--bg:#070a12;--card:#101624;--line:#263149;--text:#f7f8fb;--muted:#9da9bd;--accent:#7c5cff}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 70% 0,#251b50 0,transparent 38%),var(--bg);color:var(--text);font:16px/1.5 Inter,ui-sans-serif,system-ui,-apple-system,sans-serif}.shell{width:min(680px,calc(100% - 32px));margin:auto;padding:36px 0}.brand{font-size:25px;font-weight:850;letter-spacing:-1px;margin-bottom:42px}.brand span{color:#9b87ff}.card{background:linear-gradient(145deg,rgba(23,31,51,.96),rgba(12,17,29,.97));border:1px solid var(--line);border-radius:24px;padding:clamp(24px,6vw,52px);box-shadow:0 30px 80px #0008}.eyebrow{color:#9b87ff;font-size:12px;font-weight:800;letter-spacing:2px}h1{font-size:clamp(34px,8vw,58px);line-height:1.05;letter-spacing:-2px;margin:12px 0 18px}.lead,.hint,footer{color:var(--muted)}.features{display:grid;gap:12px;margin-top:34px}.features div{display:flex;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px}.features span{color:#dfe5ef}label{display:block;margin:28px 0 8px;font-weight:700}input{width:100%;padding:16px;border:1px solid #364563;border-radius:13px;background:#090e19;color:white;font-size:17px;outline:none}input:focus{border-color:#8f78ff;box-shadow:0 0 0 3px #7c5cff33}button{width:100%;margin-top:18px;padding:16px;border:0;border-radius:13px;background:linear-gradient(135deg,#7c5cff,#a164ff);color:#fff;font-weight:800;font-size:16px;cursor:pointer}button:disabled{opacity:.5}footer{text-align:center;font-size:13px;margin-top:28px}@media(max-width:480px){.shell{padding-top:22px}.brand{margin-bottom:24px}.card{border-radius:19px}}