/** Blockchain publique — Concept 3 */
.sia-blockchain-public-page {}

:root {
            --sia-primary: #0F1B3D;
            --sia-secondary: #E8EDF4;
            --sia-accent: #6B7FA6;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: var(--sia-primary);
            background: var(--sia-secondary);
            line-height: 1.6;
            min-height: 100vh;
        }
        
        /* Navigation publique */
        #public-navigation .brand {
            color: #E8EDF4;
        }
        
        #public-navigation .brand .title {
            color: #E8EDF4;
        }
        
        #public-navigation .brand .title small {
            color: rgba(198, 210, 230, 0.8);
        }
        
        /* Hero Section */
        .hero-blockchain {
            background: linear-gradient(135deg, var(--sia-primary) 0%, #0F1B3D 100%);
            color: var(--sia-secondary);
            padding: 4rem 2rem;
            text-align: center;
            position: relative;
        }
        
        .hero-blockchain h1 {
            font-family: 'Cinzel', serif;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #FFFFFF;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .hero-blockchain .subtitle {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* Stats Banner */
        .stats-banner {
            background: white;
            padding: 2rem;
            display: flex;
            justify-content: center;
            gap: 4rem;
            flex-wrap: wrap;
            border-bottom: 1px solid rgba(15, 27, 61, 0.1);
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--sia-primary);
            font-family: 'JetBrains Mono', monospace;
        }
        
        .stat-label {
            font-size: 0.85rem;
            color: var(--sia-accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-top: 0.25rem;
        }
        
        /* Main Container */
        .blockchain-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
        }
        
        /* Section Title */
        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        
        .section-title {
            font-family: 'Cinzel', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--sia-primary);
        }
        
        .refresh-btn {
            padding: 0.5rem 1rem;
            background: var(--sia-primary);
            color: var(--sia-secondary);
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s;
        }
        
        .refresh-btn:hover {
            background: #0F1B3D;
            transform: translateY(-1px);
        }
        
        /* Block List */
        .blocks-grid {
            display: grid;
            gap: 1rem;
            margin-bottom: 3rem;
        }
        
        .block-card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid rgba(15, 27, 61, 0.1);
            transition: all 0.2s;
            cursor: pointer;
        }
        
        .block-card:hover {
            border-color: var(--sia-accent);
            box-shadow: 0 4px 20px rgba(15, 27, 61, 0.1);
        }
        
        .block-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1rem;
        }
        
        .block-number {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--sia-primary);
        }
        
        .block-number span {
            color: var(--sia-accent);
            font-weight: 400;
        }
        
        .block-timestamp {
            font-size: 0.85rem;
            color: var(--sia-accent);
        }
        
        .block-info {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        
        .block-field {
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }
        
        .field-label {
            font-size: 0.75rem;
            color: var(--sia-accent);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        
        .field-value {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            color: var(--sia-primary);
            word-break: break-all;
        }
        
        .field-value.truncate {
            max-width: 100%;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .tx-count {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.25rem 0.75rem;
            background: var(--sia-secondary);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--sia-primary);
        }
        
        /* Transactions List */
        .tx-section {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            border: 1px solid rgba(15, 27, 61, 0.1);
        }
        
        .tx-list {
            display: grid;
            gap: 0.75rem;
        }
        
        .tx-item {
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 1rem;
            padding: 1rem;
            background: var(--sia-secondary);
            border-radius: 8px;
            align-items: center;
            font-size: 0.9rem;
        }
        
        .tx-id {
            font-family: 'JetBrains Mono', monospace;
            font-weight: 600;
            color: var(--sia-primary);
        }
        
        .tx-hash {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            color: var(--sia-accent);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        
        .tx-status {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.25rem 0.75rem;
            background: rgba(91, 111, 138, 0.1);
            color: #6B7FA6;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
        }
        
        .tx-status::before {
            content: '✓';
        }
        
        /* Block Detail Modal */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 27, 61, 0.85);
            backdrop-filter: blur(4px);
            z-index: 1000;
            justify-content: center;
            align-items: center;
            padding: 1rem;
            animation: fadeIn 0.2s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .modal-overlay.active {
            display: flex;
        }
        
        .modal-content {
            background: white;
            border-radius: 16px;
            max-width: 950px;
            width: 100%;
            max-height: 90vh;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 0 20px 60px rgba(15, 27, 61, 0.3);
            animation: slideUp 0.3s ease;
        }
        
        @keyframes slideUp {
            from {
                transform: translateY(20px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }
        
        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.75rem 2rem;
            border-bottom: 2px solid var(--sia-secondary);
            background: linear-gradient(135deg, var(--sia-primary) 0%, #0F1B3D 100%);
            color: var(--sia-secondary);
        }
        
        .modal-title {
            font-family: 'Cinzel', serif;
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--sia-secondary);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .modal-title::before {
            content: '📦';
            font-size: 1.5rem;
        }
        
        .modal-close {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid rgba(198, 210, 230, 0.3);
            background: rgba(198, 210, 230, 0.1);
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--sia-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
            line-height: 1;
        }
        
        .modal-close:hover {
            background: rgba(198, 210, 230, 0.2);
            border-color: var(--sia-secondary);
            transform: scale(1.1);
        }
        
        .modal-body {
            padding: 2rem;
            overflow-y: auto;
            flex: 1;
        }
        
        .detail-section {
            margin-bottom: 2rem;
        }
        
        .detail-section-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--sia-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--sia-secondary);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .detail-grid {
            display: grid;
            gap: 0.75rem;
        }
        
        .detail-row {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 1.5rem;
            padding: 1rem;
            background: var(--sia-secondary);
            border-radius: 8px;
            align-items: start;
            transition: all 0.2s;
        }
        
        .detail-row:hover {
            background: #E8EDF4;
        }
        
        .detail-label {
            font-size: 0.875rem;
            color: var(--sia-accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .detail-label::before {
            font-size: 1rem;
        }
        
        .detail-row[data-type="number"] .detail-label::before { content: '🔢'; }
        .detail-row[data-type="timestamp"] .detail-label::before { content: '🕐'; }
        .detail-row[data-type="hash"] .detail-label::before { content: '🔐'; }
        .detail-row[data-type="previous"] .detail-label::before { content: '⏮️'; }
        .detail-row[data-type="signature"] .detail-label::before { content: '✍️'; }
        
        .detail-value {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.9rem;
            color: var(--sia-primary);
            word-break: break-all;
            line-height: 1.6;
        }
        
        .detail-value.hash-value {
            background: #E8EDF4;
            padding: 0.75rem 1rem;
            border-radius: 6px;
            border: 1px solid rgba(15, 27, 61, 0.1);
            cursor: pointer;
            position: relative;
            transition: all 0.2s;
        }
        
        .detail-value.hash-value:hover {
            background: #E8EDF4;
            border-color: var(--sia-accent);
        }
        
        .detail-value.hash-value::after {
            content: '📋';
            position: absolute;
            right: 0.75rem;
            top: 50%;
            transform: translateY(-50%);
            opacity: 0;
            transition: opacity 0.2s;
            font-size: 0.85rem;
        }
        
        .detail-value.hash-value:hover::after {
            opacity: 0.5;
        }
        
        .detail-value.hash-value.copied::after {
            content: '✓';
            opacity: 1;
            color: #6B7FA6;
        }
        
        .detail-value.genesis {
            color: var(--sia-accent);
            font-style: italic;
        }
        
        /* Transactions in Modal */
        .modal-body .tx-list {
            max-height: 400px;
            overflow-y: auto;
            padding-right: 0.5rem;
        }
        
        .modal-body .tx-list::-webkit-scrollbar {
            width: 8px;
        }
        
        .modal-body .tx-list::-webkit-scrollbar-track {
            background: var(--sia-secondary);
            border-radius: 4px;
        }
        
        .modal-body .tx-list::-webkit-scrollbar-thumb {
            background: var(--sia-accent);
            border-radius: 4px;
        }
        
        .modal-body .tx-list::-webkit-scrollbar-thumb:hover {
            background: var(--sia-primary);
        }
        
        /* Info Banner */
        .info-banner {
            background: linear-gradient(135deg, #E8EDF4 0%, #E8EDF4 100%);
            border: 1px solid rgba(15, 27, 61, 0.1);
            border-radius: 12px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            display: flex;
            gap: 1rem;
            align-items: flex-start;
        }
        
        .info-icon {
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        
        .info-content h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--sia-primary);
            margin-bottom: 0.25rem;
        }
        
        .info-content p {
            font-size: 0.9rem;
            color: var(--sia-accent);
            margin: 0;
        }
        
        /* Loading & Error States */
        .loading {
            text-align: center;
            padding: 3rem;
            color: var(--sia-accent);
        }
        
        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 3px solid var(--sia-secondary);
            border-top-color: var(--sia-primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }
        
        .error-message {
            text-align: center;
            padding: 2rem;
            color: #6B7FA6;
            background: rgba(91, 111, 138, 0.1);
            border-radius: 8px;
        }
        
        .empty-state {
            text-align: center;
            padding: 3rem;
            color: var(--sia-accent);
        }
        
        .empty-state-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            opacity: 0.5;
        }
        
        /* Footer */
        .footer {
            background: var(--sia-primary);
            color: var(--sia-secondary);
            padding: 2rem;
            text-align: center;
            margin-top: 3rem;
        }
        
        .footer p {
            opacity: 0.8;
            margin-bottom: 0.5rem;
        }
        
        .footer a {
            color: var(--sia-secondary);
            text-decoration: none;
            opacity: 0.9;
        }
        
        .footer a:hover {
            opacity: 1;
            text-decoration: underline;
        }
        
        /* Responsive */
        /* Charts Section */
        .charts-section { margin-bottom: 3rem; }
        .charts-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
        .charts-tab { padding: 6px 18px; border-radius: 6px; border: 1px solid rgba(11,28,45,0.2); background: transparent; color: var(--sia-primary); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.2s; font-family: 'Inter', sans-serif; }
        .charts-tab:hover { background: var(--sia-primary); color: var(--sia-secondary); border-color: var(--sia-primary); }
        .charts-tab.active { background: var(--sia-primary); color: var(--sia-secondary); border-color: var(--sia-primary); }
        .charts-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
        .chart-card { background: white; border-radius: 12px; padding: 20px; border: 1px solid rgba(11,28,45,0.1); }
        .chart-card h3 { font-size: 1rem; font-weight: 600; color: var(--sia-primary); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; }
        .chart-card .chart-total { font-size: 1.8rem; font-weight: 700; color: var(--sia-primary); font-family: 'JetBrains Mono', monospace; margin-bottom: 12px; }
        .chart-container { position: relative; width: 100%; height: 200px; }
        .chart-empty { text-align: center; color: var(--sia-accent); padding: 24px 0; font-size: 0.9rem; display: none; }

        @media (max-width: 900px) { .charts-row { grid-template-columns: 1fr; } }

        @media (max-width: 768px) {
            .hero-blockchain h1 {
                font-size: 2rem;
            }
            
            .stats-banner {
                gap: 2rem;
            }
            
            .stat-value {
                font-size: 2rem;
            }
            
            .block-info {
                grid-template-columns: 1fr;
            }
            
            .tx-item {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }
            
            .detail-row {
                grid-template-columns: 1fr;
                gap: 0.5rem;
            }
            
            .modal-content {
                max-height: 95vh;
                border-radius: 12px;
            }
            
            .modal-header {
                padding: 1.25rem 1.5rem;
            }
            
            .modal-title {
                font-size: 1.5rem;
            }
            
            .modal-body {
                padding: 1.5rem;
            }
            
            .detail-section-title {
                font-size: 0.95rem;
            }
            
            .detail-value.hash-value {
                font-size: 0.8rem;
                padding: 0.5rem 0.75rem;
            }
        }