.tool-container {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.generator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.config-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.row {
    flex-direction: row;
    gap: 20px;
}

.form-group.row .half {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-weight: 500;
    color: #4a5568;
    font-size: 0.95rem;
}

input[type="number"],
input[type="text"],
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    color: #374151;
    transition: border-color 0.2s;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary-color, #007bff);
}

.color-input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

input[type="color"] {
    width: 40px;
    height: 40px;
    padding: 2px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    cursor: pointer;
}

.color-input-wrapper input[type="text"] {
    flex: 1;
    font-family: monospace;
}

.size-input-wrapper {
    display: flex;
    gap: 10px;
}

.size-input-wrapper input {
    flex: 1;
}

.size-input-wrapper select {
    width: 80px;
}

.help-text {
    font-size: 0.85rem;
    color: #6b7280;
    margin-top: -10px;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.btn-primary, .btn-secondary {
    flex: 1;
    padding: 12px;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary-color, #007bff);
    color: white;
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background-color: #f3f4f6;
    color: #374151;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #e5e7eb;
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.preview-panel {
    background: #f9fafb;
    border: 1px dashed #d1d5db;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 400px;
}

.preview-panel h3 {
    margin-bottom: 20px;
    color: #374151;
    font-size: 1.1rem;
}

.preview-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-bottom: 20px;
    overflow: hidden;
    background: repeating-conic-gradient(#f3f4f6 0 25%, transparent 0 50%) 0 / 20px 20px;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
}

.preview-container img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

#previewPlaceholder {
    color: #9ca3af;
}

.file-info {
    font-size: 0.9rem;
    color: #4b5563;
    background: #e5e7eb;
    padding: 6px 16px;
    border-radius: 20px;
}

@media (max-width: 768px) {
    .generator-layout {
        grid-template-columns: 1fr;
    }
    .form-group.row {
        flex-direction: column;
        gap: 15px;
    }
}