@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&display=swap');
        
        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --secondary: #06b6d4;
            --accent: #f59e0b;
            --success: #10b981;
            --error: #ef4444;
            --warning: #f59e0b;
            --dark: #0f172a;
            --dark-light: #1e293b;
            --glass: rgba(255, 255, 255, 0.05);
            --glass-border: rgba(255, 255, 255, 0.1);
            --text-primary: #f8fafc;
            --text-secondary: #cbd5e1;
            --text-muted: #64748b;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 25%, #334155 50%, #475569 75%, #64748b 100%);
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
            color: var(--text-primary);
        }

        /* Animated Background */
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(245, 158, 11, 0.1) 0%, transparent 50%);
            animation: backgroundShift 20s ease-in-out infinite;
            pointer-events: none;
            z-index: -1;
        }

        @keyframes backgroundShift {
            0%, 100% { transform: scale(1) rotate(0deg); }
            50% { transform: scale(1.1) rotate(1deg); }
        }

        /* Floating Particles */
        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1;
        }

        .particle {
            position: absolute;
            width: 2px;
            height: 2px;
            background: rgba(99, 102, 241, 0.6);
            border-radius: 50%;
            animation: float 15s linear infinite;
        }

        @keyframes float {
            0% {
                transform: translateY(100vh) rotate(0deg);
                opacity: 0;
            }
            10% { opacity: 1; }
            90% { opacity: 1; }
            100% {
                transform: translateY(-100vh) rotate(360deg);
                opacity: 0;
            }
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 20px;
            position: relative;
            z-index: 2;
        }

        /* Glassmorphism Header */
        .header {
            background: var(--glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(99, 102, 241, 0.1), transparent);
            animation: rotate 20s linear infinite;
            z-index: -1;
        }

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

        .logo {
            font-size: 3rem;
            font-weight: 900;
            background: linear-gradient(135deg, #6366f1, #06b6d4, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
            text-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
        }

        .tagline {
            font-size: 1.2rem;
            color: var(--text-secondary);
            font-weight: 300;
            margin-bottom: 20px;
        }

        .status-indicator {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.3);
            padding: 12px 24px;
            border-radius: 50px;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .status-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--success);
            animation: pulse 2s infinite;
            box-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
        }

        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.2); opacity: 0.7; }
            100% { transform: scale(1); opacity: 1; }
        }

        /* Main Layout */
        .main-grid {
            display: grid;
            grid-template-columns: 400px 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }

        .panel {
            background: var(--glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 30px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .panel::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .panel:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .panel:hover::before {
            opacity: 1;
        }

        .panel-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .panel-icon {
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 12px;
        }

        /* Enhanced Buttons */
        .btn {
            position: relative;
            padding: 16px 24px;
            border: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            overflow: hidden;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin: 8px 0;
            width: 100%;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.6s ease;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
        }

        .btn-success {
            background: linear-gradient(135deg, var(--success), #059669);
            color: white;
            box-shadow: 0 4px 20px rgba(16, 185, 129, 0.3);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), #0891b2);
            color: white;
            box-shadow: 0 4px 20px rgba(6, 182, 212, 0.3);
        }

        /* Token Display */
        .token-display {
            background: var(--dark-light);
            border: 2px solid var(--primary);
            border-radius: 12px;
            padding: 20px;
            margin: 15px 0;
            font-family: 'Monaco', 'Menlo', monospace;
            font-size: 0.9rem;
            word-break: break-all;
            position: relative;
            overflow: hidden;
            color: var(--text-primary);
        }

        .token-display::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.1), transparent);
            animation: tokenScan 3s ease-in-out infinite;
        }

        @keyframes tokenScan {
            0% { left: -100%; }
            100% { left: 100%; }
        }

        /* File Drop Zone */
        .file-drop-zone {
            border: 3px dashed var(--glass-border);
            border-radius: 16px;
            padding: 60px 30px;
            text-align: center;
            margin: 20px 0;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            background: var(--glass);
        }

        .file-drop-zone::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: linear-gradient(45deg, var(--primary), var(--secondary), var(--accent), var(--primary));
            border-radius: 16px;
            z-index: -1;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .file-drop-zone:hover {
            transform: scale(1.02);
            border-color: var(--primary);
            background: rgba(99, 102, 241, 0.05);
        }

        .file-drop-zone:hover::before {
            opacity: 1;
        }

        .file-drop-zone.dragover {
            border-color: var(--success);
            background: rgba(16, 185, 129, 0.1);
            transform: scale(1.05);
        }

        .drop-icon {
            font-size: 4rem;
            color: var(--primary);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }

        .file-drop-zone:hover .drop-icon {
            transform: scale(1.1) rotate(10deg);
            color: var(--secondary);
        }

        /* File List */
        .file-list {
            max-height: 300px;
            overflow-y: auto;
            border-radius: 12px;
            margin: 20px 0;
            background: var(--dark-light);
        }

        .file-item {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 20px;
            border-bottom: 1px solid var(--glass-border);
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .file-item:hover {
            background: var(--glass);
            transform: translateX(5px);
        }

        .file-item:last-child {
            border-bottom: none;
        }

        .file-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            flex-shrink: 0;
        }

        .file-info {
            flex: 1;
            min-width: 0;
        }

        .file-name {
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 4px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .file-size {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .file-actions {
            display: flex;
            gap: 8px;
            opacity: 0;
            transition: opacity 0.2s ease;
        }

        .file-item:hover .file-actions {
            opacity: 1;
        }

        .file-action-btn {
            width: 32px;
            height: 32px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
            font-size: 0.8rem;
        }

        .file-action-btn.download {
            background: var(--success);
            color: white;
        }

        .file-action-btn.delete {
            background: var(--error);
            color: white;
        }

        .file-action-btn:hover {
            transform: scale(1.1);
        }

        /* Progress Bar */
        .progress-container {
            margin: 20px 0;
        }

        .progress-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        .progress-bar {
            height: 8px;
            background: var(--dark-light);
            border-radius: 4px;
            overflow: hidden;
            position: relative;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 4px;
            transition: width 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .progress-fill::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
            animation: shimmer 1.5s infinite;
        }

        @keyframes shimmer {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        /* Activity Log */
        .activity-log {
            background: var(--dark);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 20px;
            font-family: 'Monaco', 'Menlo', monospace;
            font-size: 0.8rem;
            max-height: 200px;
            overflow-y: auto;
            margin: 20px 0;
            color: var(--success);
            position: relative;
        }

        .log-entry {
            margin-bottom: 8px;
            opacity: 0;
            animation: logAppear 0.3s ease forwards;
        }

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

        .log-timestamp {
            color: var(--text-muted);
        }

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

        .log-status.success {
            color: var(--success);
        }

        .log-status.error {
            color: var(--error);
        }

        .log-status.warning {
            color: var(--warning);
        }

        /* Statistics Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }

        .stat-card {
            background: var(--glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Network Visualization */
        .network-viz {
            background: var(--glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 30px;
            margin: 30px 0;
            position: relative;
            overflow: hidden;
            height: 200px;
        }

        .network-node {
            position: absolute;
            width: 12px;
            height: 12px;
            background: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 20px rgba(99, 102, 241, 0.6);
            animation: networkPulse 2s ease-in-out infinite;
        }

        @keyframes networkPulse {
            0%, 100% { transform: scale(1); opacity: 0.7; }
            50% { transform: scale(1.5); opacity: 1; }
        }

        .network-connection {
            position: absolute;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--secondary), transparent);
            animation: dataFlow 3s ease-in-out infinite;
        }

        @keyframes dataFlow {
            0% { opacity: 0; }
            50% { opacity: 1; }
            100% { opacity: 0; }
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .main-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .container {
                padding: 15px;
            }
            
            .header {
                padding: 30px 20px;
            }
            
            .logo {
                font-size: 2rem;
            }
        }

        @media (max-width: 640px) {
            .panel {
                padding: 20px;
            }
            
            .file-drop-zone {
                padding: 40px 20px;
            }
            
            .drop-icon {
                font-size: 2.5rem;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .stat-value {
                font-size: 1.8rem;
            }
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--dark-light);
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            border-radius: 4px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: linear-gradient(180deg, var(--secondary), var(--accent));
        }

        /* Loading States */
        .loading {
            opacity: 0.6;
            pointer-events: none;
            position: relative;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 20px;
            height: 20px;
            margin: -10px 0 0 -10px;
            border: 2px solid transparent;
            border-top: 2px solid var(--primary);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

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

        .hidden {
            display: none !important;
        }

        /* Notification Toast */
        .toast {
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--glass);
            backdrop-filter: blur(20px);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 16px 20px;
            color: var(--text-primary);
            z-index: 1000;
            transform: translateX(100%);
            transition: transform 0.3s ease;
        }

        .toast.show {
            transform: translateX(0);
        }

        .toast.success {
            border-left: 4px solid var(--success);
        }

        .toast.error {
            border-left: 4px solid var(--error);
        }