:root { --bg:#0b1220; --card:#101a2c; --text:#f2f6ff; --accent:#1f6feb; --cta:#d31422; }
*{box-sizing:border-box} body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial}
a{color:var(--text);opacity:.9;text-decoration:none} a:hover{opacity:1}
.container{max-width:720px;margin:0 auto;padding:24px}
.form{background:var(--card);border:1px solid #ffffff22;border-radius:14px;padding:18px}
.input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #ffffff24;background:#0a1322;color:#fff;margin-bottom:10px;outline:none}
.input:focus{border-color:var(--accent)}
.btn{display:inline-block;padding:12px 16px;border-radius:12px;border:1px solid #ffffff22;cursor:pointer;background:#1b2a44;color:#fff}
.btn.primary{background:var(--cta)}
.notice{opacity:.85;font-size:13px;margin-top:8px}
.err{background:#3a1120;border-left:4px solid #ff6b6b;padding:10px;border-radius:8px;margin:10px 0}