/* =============================================
   アルゴリズム比較表示スタイル
   ============================================= */

.comparison-section {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    border: 2px solid #e2e8f0;
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid #e2e8f0;
}

.comparison-header h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin: 0;
}

.comparison-note {
    font-size: 0.85rem;
    color: #64748b;
}

/* アルゴリズムカードグリッド */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

@media (min-width: 1024px) {
    .comparison-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.algo-card {
    background: white;
    border-radius: 12px;
    padding: 16px;
    border: 2px solid #e2e8f0;
    position: relative;
    transition: all 0.3s ease;
}

.algo-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.algo-card.agreed {
    border-color: #10b981;
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
}

.algo-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid #f1f5f9;
}

.algo-icon {
    font-size: 1.2rem;
}

.algo-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: #1e293b;
    flex: 1;
}

.algo-time {
    font-size: 0.75rem;
    color: #64748b;
    background: #f1f5f9;
    padding: 2px 8px;
    border-radius: 12px;
}

.algo-results {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.algo-result-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: #f8fafc;
    border-radius: 8px;
    font-size: 0.9rem;
}

.algo-result-item.rank-1 {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #f59e0b;
}

.algo-result-item.rank-2 {
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    border: 1px solid #9ca3af;
}

.algo-result-item.rank-3 {
    background: linear-gradient(135deg, #fef3c7 0%, #fed7aa 100%);
    border: 1px solid #d97706;
}

.algo-result-item .rank {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 600;
}

.algo-result-item .char {
    font-size: 1.3rem;
    font-weight: 500;
    flex: 1;
}

.algo-result-item .score {
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
}

.ensemble-breakdown {
    font-size: 0.65rem;
    color: #94a3b8;
    display: block;
    margin-top: 2px;
}

.consensus-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #10b981;
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

/* プロセス比較セクション */
.process-comparison {
    background: white;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #e2e8f0;
}

.process-comparison h4 {
    font-size: 1rem;
    color: #1e293b;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid #f1f5f9;
}

/* タブ */
.process-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #64748b;
    cursor: pointer;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
}

.tab-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* プロセスパネル */
.process-content {
    position: relative;
}

.process-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.process-panel.active {
    display: block;
}

.process-explanation {
    background: #f8fafc;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.process-explanation h5 {
    font-size: 1rem;
    color: #1e293b;
    margin-bottom: 8px;
}

.process-explanation p {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}

/* DTW ビジュアライゼーション */
.dtw-visualization {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.dtw-matrix-container,
.dtw-warping-path {
    text-align: center;
}

.dtw-matrix-container h6,
.dtw-warping-path h6,
.vector-comparison h6,
.angle-histogram h6,
.point-distribution h6,
.histogram-3d h6,
.dtw-calculation h6,
.nstroke-calculation h6,
.shapecontext-calculation h6 {
    font-size: 0.85rem;
    color: #475569;
    margin-bottom: 12px;
    font-weight: 500;
}

.dtw-legend,
.vector-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: #64748b;
}

.legend-item .color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.legend-item .color.low {
    background: #3b82f6;
}

.legend-item .color.high {
    background: #f59e0b;
}

.legend-item .color.input {
    background: #3b82f6;
}

.legend-item .color.template {
    background: #10b981;
}

.path-description,
.point-desc {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 8px;
}

/* 計算セクション */
.dtw-calculation,
.nstroke-calculation,
.shapecontext-calculation {
    background: #f8fafc;
    border-radius: 8px;
    padding: 16px;
}

.formula {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 16px;
    color: #1e293b;
}

.calculation-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.calculation-steps .step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #475569;
}

.calculation-steps .step::before {
    content: '';
    width: 6px;
    height: 6px;
    background: #3b82f6;
    border-radius: 50%;
}

.final-score {
    text-align: center;
    font-size: 1.1rem;
    color: #1e293b;
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 2px solid #10b981;
}

.final-score strong {
    color: #10b981;
    font-size: 1.3rem;
}

/* N-Multistroke */
.nstroke-visualization {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.normalization-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 20px;
    flex-wrap: wrap;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.flow-icon {
    font-size: 1.5rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 50%;
}

.flow-label {
    font-size: 0.75rem;
    color: #64748b;
    text-align: center;
}

.flow-arrow {
    font-size: 1.2rem;
    color: #94a3b8;
}

.complexity-note {
    text-align: center;
    font-size: 0.85rem;
    color: #64748b;
    padding: 12px;
    background: #dbeafe;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
}

/* Shape Context */
.shapecontext-visualization {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.hist-axes {
    display: flex;
    justify-content: space-around;
    font-size: 0.75rem;
    color: #64748b;
    margin-top: 8px;
}

.histogram-comparison-viz {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 16px;
}

.hist-bar-group {
    display: flex;
    gap: 4px;
    align-items: flex-end;
}

.hist-bar {
    width: 24px;
    height: calc(var(--height));
    border-radius: 4px 4px 0 0;
}

.hist-bar.input {
    background: #3b82f6;
}

.hist-bar.template {
    background: #10b981;
}

.matching-note {
    text-align: center;
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 8px;
}

/* アニメーション */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* レスポンシブ */
@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .dtw-visualization,
    .shapecontext-visualization {
        grid-template-columns: 1fr;
    }
    
    .process-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
        text-align: center;
    }
    
    .normalization-flow {
        flex-direction: column;
        gap: 12px;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
}