.fsp-auth-card {
    max-width: 400px;
    margin: 30px auto;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    font-family: sans-serif;
    text-align: center;
}
.fsp-header h3 { margin: 0; color: #222; }
.fsp-header p { font-size: 14px; color: #777; margin-bottom: 20px; }
.fsp-tabs { display: flex; margin-bottom: 20px; border-bottom: 1px solid #eee; }
.fsp-tabs button { flex: 1; padding: 12px; border: none; background: none; cursor: pointer; color: #888; font-size: 15px; }
.fsp-tabs button.active { color: #0073aa; border-bottom: 2px solid #0073aa; font-weight: 600; }
.fsp-auth-card input { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #ddd; border-radius: 8px; box-sizing: border-box; }
#fsp-main-btn { width: 100%; padding: 14px; background: #0073aa; color: white; border: none; border-radius: 8px; font-weight: bold; cursor: pointer; transition: 0.3s; }
#fsp-main-btn:hover { background: #005177; }
#fsp-status { margin-top: 15px; font-size: 14px; min-height: 20px; }