/* SEODesignLab Keyword Research - Frontend Styles */

:root {
    --sdl-primary: #4363FF;
    --sdl-primary-dark: #3651E6;
    --sdl-primary-light: #5A75FF;
    --sdl-secondary: #6B7280;
    --sdl-success: #10B981;
    --sdl-warning: #F59E0B;
    --sdl-error: #EF4444;
    --sdl-background: #F9FAFB;
    --sdl-surface: #FFFFFF;
    --sdl-border: #E5E7EB;
    --sdl-text-primary: #111827;
    --sdl-text-secondary: #6B7280;
    --sdl-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --sdl-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --sdl-radius: 8px;
    --sdl-radius-lg: 12px;
}

/* Main Container */
.sdl-keyword-tool-frontend {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--sdl-background);
    border-radius: var(--sdl-radius-lg);
    box-shadow: var(--sdl-shadow-lg);
    border: 1px solid var(--sdl-border);
}

/* Theme Variations */
.sdl-keyword-tool-frontend[data-theme="dark"] {
    --sdl-background: #1F2937;
    --sdl-surface: #374151;
    --sdl-border: #4B5563;
    --sdl-text-primary: #F9FAFB;
    --sdl-text-secondary: #D1D5DB;
}

.sdl-keyword-tool-frontend[data-theme="minimal"] {
    box-shadow: none;
    border: 2px solid var(--sdl-primary);
    background: var(--sdl-surface);
}

/* Header */
.sdl-tool-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--sdl-border);
}

.sdl-tool-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 10px 0;
    background: linear-gradient(135deg, var(--sdl-primary), var(--sdl-primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sdl-tool-subtitle {
    font-size: 1.1rem;
    color: var(--sdl-text-secondary);
    margin: 0;
    font-weight: 400;
}

/* Form Styles */
.sdl-tool-form {
    background: var(--sdl-surface);
    padding: 25px;
    border-radius: var(--sdl-radius);
    border: 1px solid var(--sdl-border);
    margin-bottom: 25px;
}

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

.sdl-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.sdl-form-group label {
    display: block;
    font-weight: 600;
    color: var(--sdl-text-primary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.sdl-input,
.sdl-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--sdl-border);
    border-radius: var(--sdl-radius);
    font-size: 1rem;
    transition: all 0.2s ease;
    background: var(--sdl-surface);
    color: var(--sdl-text-primary);
    box-sizing: border-box;
}

.sdl-input:focus,
.sdl-select:focus {
    outline: none;
    border-color: var(--sdl-primary);
    box-shadow: 0 0 0 3px rgba(67, 99, 255, 0.1);
}

/* Research Options */
.sdl-research-options {
    margin-bottom: 25px;
}

.sdl-research-options label {
    display: block;
    font-weight: 600;
    color: var(--sdl-text-primary);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.sdl-radio-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.sdl-radio-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border: 2px solid var(--sdl-border);
    border-radius: var(--sdl-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--sdl-surface);
    font-weight: 500;
}

.sdl-radio-option:hover {
    border-color: var(--sdl-primary-light);
    background: rgba(67, 99, 255, 0.02);
}

.sdl-radio-option input[type="radio"] {
    margin: 0;
    accent-color: var(--sdl-primary);
}

.sdl-radio-option input[type="radio"]:checked + .sdl-radio-text {
    color: var(--sdl-primary);
    font-weight: 600;
}

/* Button Styles */
.sdl-btn-primary,
.sdl-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: var(--sdl-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    min-height: 48px;
    width: 100%;
    box-sizing: border-box;
}

.sdl-btn-primary {
    background: linear-gradient(135deg, var(--sdl-primary), var(--sdl-primary-light));
    color: white;
    box-shadow: var(--sdl-shadow);
}

.sdl-btn-primary:hover {
    background: linear-gradient(135deg, var(--sdl-primary-dark), var(--sdl-primary));
    transform: translateY(-1px);
    box-shadow: var(--sdl-shadow-lg);
}

.sdl-btn-secondary {
    background: var(--sdl-surface);
    color: var(--sdl-text-primary);
    border: 2px solid var(--sdl-border);
    width: auto;
}

.sdl-btn-secondary:hover {
    border-color: var(--sdl-primary);
    color: var(--sdl-primary);
    background: rgba(67, 99, 255, 0.02);
}

.sdl-btn-icon {
    font-size: 1.1rem;
}

/* Loading Styles */
.sdl-tool-loading {
    text-align: center;
    padding: 50px 20px;
    background: var(--sdl-surface);
    border-radius: var(--sdl-radius);
    border: 1px solid var(--sdl-border);
    margin-bottom: 25px;
}

.sdl-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--sdl-border);
    border-top: 3px solid var(--sdl-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

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

.sdl-tool-loading p {
    color: var(--sdl-text-secondary);
    margin: 0;
    font-weight: 500;
}

/* Results Styles */
.sdl-tool-results {
    background: var(--sdl-surface);
    border-radius: var(--sdl-radius);
    border: 1px solid var(--sdl-border);
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
}

.sdl-results-header {
    padding: 25px;
    border-bottom: 2px solid var(--sdl-border);
    background: var(--sdl-background);
}

.sdl-results-header h3 {
    color: var(--sdl-text-primary);
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 15px 0;
}

.sdl-results-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.sdl-summary-item {
    text-align: center;
}

.sdl-summary-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--sdl-primary);
    margin-bottom: 5px;
}

.sdl-summary-label {
    color: var(--sdl-text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Filters */
.sdl-results-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    padding: 20px 25px;
    background: var(--sdl-background);
    border-bottom: 1px solid var(--sdl-border);
}

.sdl-filter-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sdl-filter-item label {
    font-weight: 600;
    color: var(--sdl-text-primary);
    font-size: 0.9rem;
}

.sdl-filter-item input,
.sdl-filter-item select {
    padding: 8px 12px;
    border: 2px solid var(--sdl-border);
    border-radius: var(--sdl-radius);
    font-size: 0.9rem;
    background: var(--sdl-surface);
    color: var(--sdl-text-primary);
}

.sdl-filter-item input:focus,
.sdl-filter-item select:focus {
    outline: none;
    border-color: var(--sdl-primary);
}

/* View Tabs */
.sdl-results-view {
    padding: 25px;
}

.sdl-view-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--sdl-border);
}

.sdl-tab-button {
    padding: 10px 20px;
    background: none;
    border: none;
    color: var(--sdl-text-secondary);
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--sdl-radius) var(--sdl-radius) 0 0;
    transition: all 0.2s ease;
    position: relative;
}

.sdl-tab-button:hover {
    color: var(--sdl-primary);
    background: rgba(67, 99, 255, 0.05);
}

.sdl-tab-button.active {
    color: var(--sdl-primary);
    background: rgba(67, 99, 255, 0.1);
}

.sdl-tab-button.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--sdl-primary);
}

/* Table View */
.sdl-table-responsive {
    overflow-x: auto;
    border-radius: var(--sdl-radius);
    border: 1px solid var(--sdl-border);
}

.sdl-keywords-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--sdl-surface);
    min-width: 600px;
}

.sdl-keywords-table th {
    background: var(--sdl-background);
    padding: 12px 15px;
    text-align: left;
    font-weight: 600;
    color: var(--sdl-text-primary);
    border-bottom: 2px solid var(--sdl-border);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sdl-keywords-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--sdl-border);
    color: var(--sdl-text-primary);
}

.sdl-keywords-table tr:hover {
    background: rgba(67, 99, 255, 0.02);
}

/* Cards View */
.sdl-keywords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.sdl-keyword-card {
    background: var(--sdl-background);
    padding: 20px;
    border-radius: var(--sdl-radius);
    border: 1px solid var(--sdl-border);
    transition: all 0.2s ease;
}

.sdl-keyword-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--sdl-shadow-lg);
    border-color: var(--sdl-primary-light);
}

.sdl-keyword-card h4 {
    color: var(--sdl-text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 15px 0;
}

.sdl-keyword-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.sdl-metric {
    text-align: center;
    padding: 8px;
    background: var(--sdl-surface);
    border-radius: var(--sdl-radius);
    border: 1px solid var(--sdl-border);
}

.sdl-metric-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--sdl-primary);
}

.sdl-metric-label {
    font-size: 0.8rem;
    color: var(--sdl-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Chart View */
.sdl-chart-container {
    background: var(--sdl-surface);
    padding: 20px;
    border-radius: var(--sdl-radius);
    border: 1px solid var(--sdl-border);
    height: 400px;
}

/* Actions */
.sdl-results-actions {
    display: flex;
    gap: 15px;
    padding: 20px 25px;
    background: var(--sdl-background);
    border-top: 1px solid var(--sdl-border);
    flex-wrap: wrap;
}

/* Footer */
.sdl-tool-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--sdl-border);
}

.sdl-powered-by {
    color: var(--sdl-text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.sdl-powered-by strong {
    color: var(--sdl-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sdl-keyword-tool-frontend {
        padding: 15px;
        margin: 10px;
    }
    
    .sdl-form-row {
        grid-template-columns: 1fr;
    }
    
    .sdl-radio-group {
        grid-template-columns: 1fr;
    }
    
    .sdl-results-filters {
        grid-template-columns: 1fr;
    }
    
    .sdl-results-summary {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .sdl-keywords-grid {
        grid-template-columns: 1fr;
    }
    
    .sdl-results-actions {
        flex-direction: column;
    }
    
    .sdl-btn-primary,
    .sdl-btn-secondary {
        width: 100%;
    }
    
    .sdl-view-tabs {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .sdl-tool-title {
        font-size: 1.5rem;
    }
    
    .sdl-tool-subtitle {
        font-size: 1rem;
    }
    
    .sdl-tool-form {
        padding: 20px;
    }
    
    .sdl-results-view {
        padding: 15px;
    }
    
    .sdl-results-header {
        padding: 20px;
    }
    
    .sdl-results-filters {
        padding: 15px;
    }
    
    .sdl-results-actions {
        padding: 15px;
    }
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.sdl-keyword-card {
    animation: slideIn 0.3s ease-out;
}

/* Utility Classes */
.sdl-hidden {
    display: none !important;
}

.sdl-visible {
    display: block !important;
}

.sdl-text-center {
    text-align: center;
}

.sdl-text-primary {
    color: var(--sdl-text-primary);
}

.sdl-text-secondary {
    color: var(--sdl-text-secondary);
}

.sdl-text-success {
    color: var(--sdl-success);
}

.sdl-text-warning {
    color: var(--sdl-warning);
}

.sdl-text-error {
    color: var(--sdl-error);
}