.np-public-form-container {
    font-family: 'Inter', -apple-system, sans-serif;
    margin: 0;
    width: 100%;
}


.np-input-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.np-input-group input[type="email"] {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.np-input-group input[type="email"]:focus {
    border-color: var(--np-btn-color, #4F46E5);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.np-submit-btn {
    background: var(--np-btn-color, #4F46E5);
    color: #ffffff;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
}

.np-submit-btn:hover {
    opacity: 0.9;
}

.np-submit-btn:active {
    transform: scale(0.98);
}

.np-message {
    margin-top: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    min-height: 20px;
}
.np-message.success {
    color: #10b981;
}
.np-message.error {
    color: #ef4444;
}

.np-hidden {
    display: none !important;
}

/* Spinner */
.np-spinner {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    animation: np-spin 1s linear infinite;
}

@keyframes np-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 480px) {
    .np-input-group {
        flex-direction: column;
    }
    .np-submit-btn {
        width: 100%;
    }
}