:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --background-color: #f8fafc;
    --text-color: #1f2937;
    --border-color: #e2e8f0;
    --error-color: #dc2626;
}

.header {
    text-align: center;
    margin: 2rem 0;
}

.title {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.form-container {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.form-group {
    position: relative;
    margin-bottom: 1rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.input-group {
    position: relative;
}

.form-control {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #64748b;
}

.domain-group {
    display: flex;
    align-items: center;
}

.domain-suffix {
    background-color: #f1f5f9;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0 0.5rem 0.5rem 0;
    border-left: none;
    color: #64748b;
}

.domain-input {
    border-right: none;
    border-radius: 0.5rem 0 0 0.5rem;
}

.file-input {
    padding: 0.5rem 2.5rem 0.5rem 0.5rem;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}
 
.submit-btn {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: 200px;
    margin: 1rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-btn:hover {
    background-color: var(--secondary-color);
}

.error-message {
    color: var(--error-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.error-message.visible {
    display: block;
}

.form-control.error {
    border-color: var(--error-color);
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.full-width {
        grid-column: span 1;
    }
}