body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background:linear-gradient(180deg,#f6f8fb,#e9eef8); min-height:100vh; display:flex; align-items:center; justify-content:center; padding:30px; }
.card { background:white; padding:24px; border-radius:12px; max-width:560px; width:100%; box-shadow:0 10px 30px rgba(0,0,0,0.06); }
.btn { background:#5a67d8; color:white; padding:10px 14px; border-radius:8px; border:none; font-weight:600; }
.muted { color:#6b7280; }
.notice { background:#f0fdf4; border-left:4px solid #34d399; padding:10px 12px; border-radius:6px; color:#065f46; margin-bottom:10px; }
.errors { background:#fff6f6; border-left:4px solid #f56565; padding:10px 12px; border-radius:6px; color:#742a2a; margin-bottom:12px; }