:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem 0;
    box-shadow: var(--shadow-lg);
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo i {
    font-size: 2.5rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
}

.tagline {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-left: 65px;
}

/* Main Content */
.main-content {
    padding: 3rem 0;
}

.generator-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 3rem;
}

/* Generator Panel */
.generator-panel {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    height: fit-content;
}

.generator-panel h2 {
    color: var(--primary-color);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
}

.form-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    color: var(--text-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Template Selector */
.template-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-top: 15px;
}

.template-option {
    position: relative;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.template-option:hover {
    transform: translateY(-5px);
}

.template-preview {
    background: white;
    border: 3px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    height: 120px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.3s ease;
}

.template-option input {
    position: absolute;
    opacity: 0;
}

.template-option input:checked + .template-preview {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.template-option p {
    text-align: center;
    margin-top: 8px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.preview-hero {
    height: 60%;
    border-radius: 4px;
}

.preview-form {
    height: 35%;
    border-radius: 4px;
}

.modern-preview .preview-hero {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.modern-preview .preview-form {
    background: #e0e7ff;
}

.minimal-preview .preview-hero {
    background: linear-gradient(to bottom, #f1f5f9, #e2e8f0);
}

.minimal-preview .preview-form {
    background: #cbd5e1;
}

.gradient-preview .preview-hero {
    background: linear-gradient(45deg, #ec4899, #8b5cf6, #3b82f6);
}

.gradient-preview .preview-form {
    background: #fce7f3;
}

.tech-preview .preview-hero {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    border: 1px solid #6366f1;
}

.tech-preview .preview-form {
    background: #334155;
}

.business-preview .preview-hero {
    background: linear-gradient(to right, #3b82f6, #8b5cf6);
}

.business-preview .preview-form {
    background: #dbeafe;
}

.saas-preview .preview-hero {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    position: relative;
    overflow: hidden;
}

.saas-preview .preview-hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 1px, transparent 1px);
    background-size: 10px 10px;
}

.saas-preview .preview-form {
    background: #f3f4f6;
}

.ecommerce-preview .preview-hero {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
}

.ecommerce-preview .preview-form {
    background: #fef3c7;
}

.agency-preview .preview-hero {
    background: linear-gradient(135deg, #000, #374151);
}

.agency-preview .preview-form {
    background: #1f2937;
}

/* Color Pickers */
.color-picker-group {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.color-picker-group input[type="color"] {
    width: 100%;
    height: 50px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #4f46e5;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--text-muted);
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #059669;
}

.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.action-buttons .btn {
    flex: 1;
    justify-content: center;
}

/* Preview Panel */
.preview-panel {
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow: hidden;
    position: sticky;
    top: 20px;
    height: fit-content;
}

.preview-header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
}

.preview-controls {
    display: flex;
    gap: 10px;
}

.preview-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preview-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.preview-btn.active {
    background: rgba(255, 255, 255, 0.4);
}

.preview-frame {
    padding: 20px;
    background: #e2e8f0;
    min-height: 600px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.preview-frame iframe {
    width: 100%;
    height: 800px;
    border: none;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
}

.preview-frame.tablet-view iframe {
    width: 768px;
    max-width: 100%;
}

.preview-frame.mobile-view iframe {
    width: 375px;
    max-width: 100%;
}

/* Code Section */
.code-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    margin-top: 3rem;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.code-header h2 {
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.code-actions {
    display: flex;
    gap: 10px;
}

.code-output {
    background: #1e293b;
    border-radius: 8px;
    padding: 20px;
    overflow-x: auto;
    max-height: 500px;
    overflow-y: auto;
}

.code-output pre {
    margin: 0;
}

.code-output code {
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.code-info {
    margin-top: 20px;
    padding: 20px;
    background: #f0f9ff;
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
}

.code-info p {
    margin-bottom: 10px;
    color: var(--text-color);
    font-weight: 600;
}

.code-info ol {
    margin-left: 20px;
    color: var(--text-muted);
}

.code-info li {
    margin: 8px 0;
}

.code-info code {
    background: #dbeafe;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    color: var(--primary-color);
    font-weight: 600;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer p {
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer i.fa-heart {
    color: #ef4444;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .generator-section {
        grid-template-columns: 1fr;
    }

    .preview-panel {
        position: static;
    }

    .template-selector {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    .tagline {
        font-size: 1rem;
        margin-left: 50px;
    }

    .template-selector {
        grid-template-columns: 1fr;
    }

    .color-picker-group {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        flex-direction: column;
    }

    .preview-controls {
        display: none;
    }

    .code-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .code-actions {
        width: 100%;
    }

    .code-actions .btn {
        flex: 1;
    }

    .footer .container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.generator-panel,
.preview-panel {
    animation: fadeIn 0.5s ease-out;
}