:root{--bg:#f6f7fb;--card:#fff;--text:#222;--muted:#666;--accent:#2563eb;}
*{box-sizing:border-box} body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:720px;margin:0 auto;padding:16px}
.card{background:var(--card);border-radius:16px;box-shadow:0 6px 18px rgba(0,0,0,.06);padding:20px}
h1,h2,h3{margin:0 0 12px 0}
input,button{font:inherit}
.input{width:100%;padding:12px 14px;border:1px solid #e5e7eb;border-radius:10px;outline:none}
.input:focus{border-color:var(--accent)}
.row{display:flex;gap:10px;flex-wrap:wrap}
.col{flex:1 1 100%}
.btn{display:inline-block;padding:10px 14px;border-radius:10px;border:0;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-secondary{background:#e5e7eb}
.help{color:var(--muted);font-size:12px}
.top-gap{margin-top:12px}
.footer{margin:24px 0 10px 0;text-align:center;color:var(--muted);font-size:12px}
.brand{color:var(--muted);font-size:13px;margin-top:6px;text-align:center}
.form-title{text-align:center;margin-bottom:16px}
.small{font-size:12px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.center{text-align:center}