/**
 * LLM Comparison Tool Styles
 * Modern, clean design for AI tool comparison
 */

/* CSS Variables */
:root {
    --llm-primary: #6366f1;
    --llm-primary-dark: #4f46e5;
    --llm-secondary: #64748b;
    --llm-success: #22c55e;
    --llm-warning: #f59e0b;
    --llm-danger: #ef4444;
    --llm-info: #3b82f6;
    --llm-bg: #f8fafc;
    --llm-card-bg: #ffffff;
    --llm-text: #1e293b;
    --llm-text-light: #64748b;
    --llm-border: #e2e8f0;
    --llm-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --llm-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --llm-radius: 12px;
    --llm-radius-sm: 8px;
    --llm-transition: all 0.3s ease;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --llm-bg: #0f172a;
        --llm-card-bg: #1e293b;
        --llm-text: #f1f5f9;
        --llm-text-light: #94a3b8;
        --llm-border: #334155;
    }
}

/* Base Wrapper */
.llm-comparison-wrapper,
.llm-quiz-wrapper,
.llm-finder-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--llm-bg);
    border-radius: var(--llm-radius);
}

/* ==========================================================================
   FILTERS
   ========================================================================== */

.llm-filters {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--llm-card-bg);
    border-radius: var(--llm-radius);
    box-shadow: var(--llm-shadow);
}

.llm-filters h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--llm-text);
    margin: 0 0 1rem 0;
}

.llm-filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.llm-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--llm-bg);
    border: 2px solid var(--llm-border);
    border-radius: var(--llm-radius-sm);
    cursor: pointer;
    transition: var(--llm-transition);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--llm-text);
}

.llm-filter-btn:hover {
    border-color: var(--llm-primary);
    background: rgba(99, 102, 241, 0.1);
}

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

.llm-filter-btn .filter-icon {
    font-size: 1.25rem;
}

.llm-toggle-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--llm-border);
}

.llm-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--llm-text-light);
}

.llm-toggle input[type="checkbox"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--llm-primary);
}

/* ==========================================================================
   COMPARISON GRID
   ========================================================================== */

.llm-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* LLM Card */
.llm-card {
    background: var(--llm-card-bg);
    border-radius: var(--llm-radius);
    box-shadow: var(--llm-shadow);
    overflow: hidden;
    transition: var(--llm-transition);
    display: flex;
    flex-direction: column;
}

.llm-card:hover {
    box-shadow: var(--llm-shadow-lg);
    transform: translateY(-4px);
}

.llm-card.hidden {
    display: none;
}

.llm-card-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--llm-primary), var(--llm-primary-dark));
    color: white;
}

.llm-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 0.25rem 0;
}

.llm-company {
    font-size: 0.875rem;
    opacity: 0.9;
}

.llm-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-top: 0.75rem;
}

.llm-badge.open-source {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.llm-card-body {
    padding: 1.5rem;
    flex: 1;
}

.llm-description {
    color: var(--llm-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0 0 1.25rem 0;
}

/* Specs */
.llm-specs {
    background: var(--llm-bg);
    border-radius: var(--llm-radius-sm);
    padding: 1rem;
    margin-bottom: 1.25rem;
}

.llm-spec {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--llm-border);
}

.llm-spec:last-child {
    border-bottom: none;
}

.spec-label {
    font-size: 0.8125rem;
    color: var(--llm-text-light);
}

.spec-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--llm-text);
}

/* Scores */
.llm-scores {
    margin-bottom: 1.25rem;
}

.llm-scores h4,
.llm-strengths h4,
.llm-best-for h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--llm-text);
    margin: 0 0 0.75rem 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.llm-score-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.score-label {
    font-size: 0.8125rem;
    color: var(--llm-text-light);
    width: 80px;
    flex-shrink: 0;
}

.score-bar-container {
    flex: 1;
    height: 8px;
    background: var(--llm-border);
    border-radius: 4px;
    overflow: hidden;
}

.score-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--llm-primary), var(--llm-info));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.score-value {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--llm-primary);
    width: 30px;
    text-align: right;
}

/* Strengths & Best For */
.llm-strengths ul,
.llm-best-for ul {
    margin: 0;
    padding-left: 1.25rem;
}

.llm-strengths li,
.llm-best-for li {
    font-size: 0.875rem;
    color: var(--llm-text);
    margin-bottom: 0.375rem;
    line-height: 1.5;
}

.llm-strengths {
    margin-bottom: 1rem;
}

/* Card Footer */
.llm-card-footer {
    padding: 1.25rem 1.5rem;
    background: var(--llm-bg);
    display: flex;
    gap: 0.75rem;
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */

.llm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--llm-radius-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--llm-transition);
    border: none;
    flex: 1;
}

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

.llm-btn-primary:hover {
    background: var(--llm-primary-dark);
    transform: translateY(-2px);
}

.llm-btn-secondary {
    background: transparent;
    color: var(--llm-primary);
    border: 2px solid var(--llm-primary);
}

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

.llm-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ==========================================================================
   MODAL
   ========================================================================== */

.llm-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9999;
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.llm-modal.active {
    display: flex;
}

.llm-modal-content {
    background: var(--llm-card-bg);
    border-radius: var(--llm-radius);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--llm-shadow-lg);
}

.llm-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--llm-bg);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    color: var(--llm-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--llm-transition);
    z-index: 10;
}

.llm-modal-close:hover {
    background: var(--llm-danger);
    color: white;
}

.llm-modal-body {
    padding: 2rem;
}

/* ==========================================================================
   QUIZ
   ========================================================================== */

.llm-quiz-wrapper {
    text-align: center;
}

.llm-quiz-intro h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--llm-text);
    margin: 0 0 0.75rem 0;
}

.llm-quiz-intro p {
    font-size: 1.125rem;
    color: var(--llm-text-light);
    margin: 0 0 2rem 0;
}

.llm-quiz-questions {
    max-width: 700px;
    margin: 0 auto 2rem;
}

.llm-quiz-question {
    display: none;
    text-align: left;
    background: var(--llm-card-bg);
    padding: 2rem;
    border-radius: var(--llm-radius);
    box-shadow: var(--llm-shadow);
}

.llm-quiz-question.active {
    display: block;
}

.llm-quiz-question h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--llm-text);
    margin: 0 0 1.5rem 0;
}

.llm-quiz-options {
    display: grid;
    gap: 0.75rem;
}

.llm-quiz-option {
    display: block;
    cursor: pointer;
}

.llm-quiz-option input {
    display: none;
}

.option-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border: 2px solid var(--llm-border);
    border-radius: var(--llm-radius-sm);
    transition: var(--llm-transition);
}

.llm-quiz-option input:checked + .option-content {
    border-color: var(--llm-primary);
    background: rgba(99, 102, 241, 0.1);
}

.llm-quiz-option:hover .option-content {
    border-color: var(--llm-primary);
}

.option-icon {
    font-size: 1.5rem;
}

.option-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--llm-text);
}

/* Quiz Navigation */
.llm-quiz-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto;
}

.llm-quiz-navigation .llm-btn {
    flex: 0 0 auto;
    min-width: 120px;
}

.llm-quiz-progress {
    flex: 1;
    text-align: center;
}

.progress-bar {
    height: 8px;
    background: var(--llm-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--llm-primary);
    border-radius: 4px;
    transition: width 0.3s ease;
    width: 25%;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--llm-text-light);
}

/* Quiz Results */
.llm-quiz-results {
    max-width: 800px;
    margin: 0 auto;
}

.llm-quiz-results h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--llm-text);
    margin: 0 0 2rem 0;
}

.llm-results-container {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.llm-result-card {
    background: var(--llm-card-bg);
    border-radius: var(--llm-radius);
    padding: 1.5rem;
    box-shadow: var(--llm-shadow);
    text-align: left;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.5rem;
    align-items: start;
}

.result-rank {
    width: 50px;
    height: 50px;
    background: var(--llm-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.result-rank.rank-1 {
    background: linear-gradient(135deg, #ffd700, #ffa500);
}

.result-rank.rank-2 {
    background: linear-gradient(135deg, #c0c0c0, #a0a0a0);
}

.result-rank.rank-3 {
    background: linear-gradient(135deg, #cd7f32, #b87333);
}

.result-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--llm-text);
    margin: 0 0 0.5rem 0;
}

.result-info p {
    font-size: 0.9375rem;
    color: var(--llm-text-light);
    margin: 0 0 1rem 0;
    line-height: 1.5;
}

.result-info ul {
    margin: 0;
    padding-left: 1.25rem;
}

.result-info li {
    font-size: 0.875rem;
    color: var(--llm-text);
    margin-bottom: 0.25rem;
}

.result-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.match-score {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--llm-success);
}

.match-label {
    font-size: 0.75rem;
    color: var(--llm-text-light);
    text-transform: uppercase;
}

/* ==========================================================================
   FINDER
   ========================================================================== */

.llm-finder-wrapper h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--llm-text);
    margin: 0 0 0.5rem 0;
    text-align: center;
}

.llm-finder-wrapper > p {
    font-size: 1.125rem;
    color: var(--llm-text-light);
    margin: 0 0 2rem 0;
    text-align: center;
}

.llm-finder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.llm-finder-btn {
    background: var(--llm-card-bg);
    border: 2px solid var(--llm-border);
    border-radius: var(--llm-radius);
    padding: 1.5rem;
    cursor: pointer;
    transition: var(--llm-transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.llm-finder-btn:hover {
    border-color: var(--llm-primary);
    transform: translateY(-4px);
    box-shadow: var(--llm-shadow);
}

.llm-finder-btn.active {
    border-color: var(--llm-primary);
    background: rgba(99, 102, 241, 0.1);
}

.finder-icon {
    font-size: 2rem;
}

.finder-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--llm-text);
}

.finder-desc {
    font-size: 0.8125rem;
    color: var(--llm-text-light);
}

.llm-finder-results {
    background: var(--llm-card-bg);
    border-radius: var(--llm-radius);
    padding: 2rem;
    box-shadow: var(--llm-shadow);
}

.llm-finder-results h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--llm-text);
    margin: 0 0 1.5rem 0;
    text-align: center;
}

.finder-results-list {
    display: grid;
    gap: 1rem;
}

.finder-result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--llm-bg);
    border-radius: var(--llm-radius-sm);
}

.finder-result-item .rank {
    width: 32px;
    height: 32px;
    background: var(--llm-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.finder-result-item .info {
    flex: 1;
}

.finder-result-item .name {
    font-weight: 600;
    color: var(--llm-text);
}

.finder-result-item .reason {
    font-size: 0.875rem;
    color: var(--llm-text-light);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 768px) {
    .llm-comparison-wrapper,
    .llm-quiz-wrapper,
    .llm-finder-wrapper {
        padding: 1rem;
    }
    
    .llm-comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .llm-filter-buttons {
        justify-content: center;
    }
    
    .llm-filter-btn .filter-label {
        display: none;
    }
    
    .llm-quiz-navigation {
        flex-wrap: wrap;
    }
    
    .llm-quiz-progress {
        order: -1;
        width: 100%;
        flex: none;
        margin-bottom: 1rem;
    }
    
    .llm-result-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .result-rank {
        margin: 0 auto;
    }
    
    .result-info ul {
        text-align: left;
    }
    
    .llm-finder-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .finder-desc {
        display: none;
    }
}

@media (max-width: 480px) {
    .llm-finder-grid {
        grid-template-columns: 1fr;
    }
    
    .finder-desc {
        display: block;
    }
}

/* ==========================================================================
   Unified Finder Interface
   ========================================================================== */

.llm-unified-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--llm-bg);
    border-radius: var(--llm-radius);
}

.llm-unified-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--llm-border);
    padding-bottom: 1rem;
}

.llm-tab-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--llm-text-light);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--llm-transition);
    margin-bottom: -1rem;
}

.llm-tab-btn:hover {
    color: var(--llm-primary);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--llm-radius-sm) var(--llm-radius-sm) 0 0;
}

.llm-tab-btn.active {
    color: var(--llm-primary);
    border-bottom-color: var(--llm-primary);
    background: rgba(99, 102, 241, 0.05);
    border-radius: var(--llm-radius-sm) var(--llm-radius-sm) 0 0;
}

.llm-tab-btn .tab-icon {
    font-size: 1.25rem;
}

.llm-tab-content {
    display: none;
}

.llm-tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Related Tools Section
   ========================================================================== */

.related-tools-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--llm-border);
}

.related-tools-section h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--llm-text);
    margin: 0 0 0.5rem 0;
}

.related-tools-desc {
    color: var(--llm-text-light);
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.related-tools-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.related-tool-card {
    background: var(--llm-card-bg);
    border: 1px solid var(--llm-border);
    border-radius: var(--llm-radius-sm);
    padding: 1.5rem;
    transition: var(--llm-transition);
    box-shadow: var(--llm-shadow);
}

.related-tool-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--llm-shadow-lg);
    border-color: var(--llm-primary);
}

.tool-header {
    margin-bottom: 1rem;
}

.tool-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--llm-text);
    margin: 0 0 0.5rem 0;
}

.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.tool-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--llm-primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.tool-description {
    color: var(--llm-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0 0 1rem 0;
}

.tool-link {
    display: inline-flex;
    align-items: center;
    color: var(--llm-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--llm-transition);
}

.tool-link:hover {
    color: var(--llm-primary-dark);
    text-decoration: underline;
}

.loading-tools,
.no-tools,
.error-tools {
    padding: 2rem;
    text-align: center;
    color: var(--llm-text-light);
    font-style: italic;
}

.error-tools {
    color: var(--llm-danger);
}

/* Responsive adjustments for unified interface */
@media (max-width: 768px) {
    .llm-unified-tabs {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .llm-tab-btn {
        width: 100%;
        justify-content: center;
        margin-bottom: 0;
        border-bottom: none;
        border-left: 3px solid transparent;
        border-radius: var(--llm-radius-sm);
    }
    
    .llm-tab-btn.active {
        border-left-color: var(--llm-primary);
        border-bottom: none;
    }
    
    .related-tools-list {
        grid-template-columns: 1fr;
    }
}