/* Diagram Generator - Professional Styles */

.diagram-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.diagram-wrapper {
    max-width: 950px;
    margin: 0 auto;
}

.diagram-title {
    font-size: 3rem;
    font-weight: 800;
    font-family: 'Poppins', sans-serif;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--text);
    letter-spacing: -0.02em;
}

.diagram-icon {
    font-size: 2.8rem;
    display: inline-block;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.diagram-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    font-family: 'Poppins', sans-serif;
}

.diagram-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 2rem;
    box-shadow: var(--shadow);
}

/* Input Group */
.diagram-input-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.diagram-input-card {
    background: var(--bg);
    border-radius: 16px;
    padding: 1.2rem;
    border: 1px solid var(--border);
}

.diagram-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-family: 'Poppins', sans-serif;
}

.required {
    color: #ef4444;
}

.diagram-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: monospace;
    resize: vertical;
}

.diagram-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.diagram-helper {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
    display: block;
}

/* Chart Type Grid */
.diagram-chart-types {
    margin-bottom: 1.5rem;
}

.chart-type-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.chart-type-btn {
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.85rem;
    color: var(--text);
}

.chart-type-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.chart-type-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Options */
.diagram-options {
    background: var(--bg);
    border-radius: 16px;
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

.options-row {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.options-row label {
    width: 120px;
    font-weight: 500;
    color: var(--text);
}

.diagram-input {
    flex: 1;
    padding: 0.6rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
}

.diagram-select {
    flex: 1;
    padding: 0.6rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    cursor: pointer;
}

/* Action Buttons */
.diagram-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 0.7rem 1.3rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.primary-action-btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(124,58,237,0.3);
}

/* Statistics */
.diagram-stats {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.diagram-stat-card {
    background: var(--bg);
    border-radius: 16px;
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--border);
}

.diagram-stat-value {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
}

.diagram-stat-label {
    font-size: 0.65rem;
    color: var(--text-light);
    margin-top: 0.3rem;
}

/* Chart Container */
.diagram-chart-container {
    background: var(--surface);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

#mainChart {
    max-width: 100%;
    max-height: 450px;
}

/* Data Preview */
.data-preview {
    background: var(--bg);
    border-radius: 16px;
    padding: 1.2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border);
}

.data-preview h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.data-table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 0.6rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--surface);
    font-weight: 600;
    color: var(--primary);
}

.data-table td {
    color: var(--text);
}

/* Presets */
.preset-section {
    margin-bottom: 1.5rem;
}

.preset-section h3 {
    font-size: 1rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--text);
}

.preset-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
}

.preset-btn {
    background: transparent;
    border: 1px solid var(--border);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-light);
    transition: all 0.2s;
}

.preset-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* SEO */
.diagram-seo {
    margin-top: 1.5rem;
    padding: 1.2rem;
    background: var(--surface);
    border-radius: 20px;
    border: 1px solid var(--border);
}

.feature-list {
    padding-left: 1.2rem;
    margin: 0.8rem 0;
}

.feature-list li {
    margin-bottom: 0.4rem;
    color: var(--text-light);
    font-size: 0.85rem;
}

.related-article-cta {
    background: var(--bg);
    padding: 1rem;
    border-radius: 12px;
    margin-top: 1.5rem;
    text-align: center;
    border-left: 4px solid var(--primary);
}

.imagesplit-related {
    max-width: 950px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.related-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 1rem 0;
}

.related-category {
    flex: 1;
    min-width: 180px;
}

.related-category ul {
    list-style: none;
    padding-left: 0;
}

.related-category li {
    margin: 0.5rem 0;
}

.related-category a {
    color: var(--primary);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 768px) {
    .diagram-container {
        padding: 0 1rem;
    }
    
    .diagram-title {
        font-size: 2rem;
    }
    
    .diagram-card {
        padding: 1.2rem;
    }
    
    .diagram-input-group {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .diagram-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .diagram-stat-card:nth-child(5) {
        grid-column: span 2;
    }
    
    .options-row {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .options-row label {
        width: 100%;
    }
    
    .diagram-input, .diagram-select {
        width: 100%;
    }
    
    .chart-type-grid {
        gap: 0.5rem;
    }
    
    .chart-type-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }
}