.form-status {
    padding: 15px;
    margin-top: 20px;
    border-radius: 5px;
    text-align: center;
    font-weight: 500;
    transition: all 0.3s ease;
}

.form-status.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-status.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-status.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.form-status.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.form-group.bot-protection {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    border: 1px solid #e9ecef;
}

.form-group.bot-protection label {
    font-weight: 600;
    margin-bottom: 10px;
    display: block;
}

.form-group.bot-protection .math-problem {
    font-size: 1.1em;
    margin-bottom: 10px;
}

.form-group.bot-protection input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
}

button[type="submit"].sending {
    background-color: #6c757d;
    cursor: not-allowed;
    opacity: 0.8;
}

.submission-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 10px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}