:root{--bg: #0b1220;--card: #121a2b;--text: #e8eefc;--muted: rgba(232, 238, 252, .72);--border: rgba(232, 238, 252, .14);--danger: #ff6b6b;--ok: #2dd4bf;--btn: #3b82f6}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:radial-gradient(1200px 800px at 20% 10%,rgba(59,130,246,.25),transparent 55%),radial-gradient(900px 700px at 80% 30%,rgba(45,212,191,.22),transparent 55%),var(--bg);color:var(--text);min-height:100vh}a{color:inherit}.container{max-width:520px;margin:0 auto;padding:28px 16px 56px}.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.brand{font-weight:700;letter-spacing:.2px}.card{background:#121a2beb;border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:0 10px 30px #00000059}.h1{font-size:22px;margin:0 0 8px}.p{margin:0 0 14px;color:var(--muted);line-height:1.45}.field{margin:14px 0}label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}input{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:#0b1220d9;color:var(--text);outline:none}input:focus{border-color:#3b82f699}.row{display:flex;gap:12px}.row>.field{flex:1;margin:14px 0}.btn{width:100%;padding:12px 14px;border:none;border-radius:12px;background:var(--btn);color:#fff;font-weight:700;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.msg{margin-top:12px;padding:10px 12px;border-radius:12px;border:1px solid var(--border);background:#0b1220bf;color:var(--muted)}.msg.ok{border-color:#2dd4bf66;color:#e8eefce6}.msg.err{border-color:#ff6b6b73;color:#ffdbdbf2}.small{margin-top:10px;font-size:12px;color:var(--muted)}.footer{margin-top:14px;font-size:12px;color:var(--muted);text-align:center}