@import url("https://fonts.googleapis.com/css2?family=Grechen+Fuemen&family=Montserrat+Alternates:wght@400;500;600&display=swap");

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: #0D0D0D;
            color: #FFFFFF;
            min-height: 100vh;
            overflow-x: hidden;
        }

        .background-gradient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 30%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(0, 191, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(255, 20, 147, 0.08) 0%, transparent 50%);
            z-index: -1;
        }

        .header {
            background: rgba(18, 18, 18, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 1rem 0;
        }

        .nav {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            font-size: 1.5rem;
            font-weight: 700;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, #8B5CF6, #06B6D4);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .nav-menu {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-item {
            color: #B0B0B0;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-item:hover {
            color: #FFFFFF;
        }

        .nav-item.active {
            color: #8B5CF6;
        }

        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #8B5CF6, #06B6D4);
            border-radius: 1px;
        }

        .live-status {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid rgba(34, 197, 94, 0.3);
            border-radius: 20px;
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
        }

        .live-dot {
            width: 6px;
            height: 6px;
            background: #22C55E;
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
        }

        .market-overview {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .overview-card {
            background: linear-gradient(145deg, rgba(30, 30, 30, 0.8), rgba(45, 45, 45, 0.4));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 1.5rem;
            backdrop-filter: blur(20px);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .overview-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.6), transparent);
        }
    .nav-item:hover::after {
            color: #8B5CF6;
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #8B5CF6, #06B6D4);
            border-radius: 1px;
        }
        .overview-card:hover {
            transform: translateY(-4px);
            border-color: rgba(139, 92, 246, 0.3);
            box-shadow: 0 12px 40px rgba(139, 92, 246, 0.15);
        }

        .card-title {
            color: #B0B0B0;
            font-size: 0.85rem;
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.8rem;
        }

        .card-value {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        .card-change {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .positive { color: #22C55E; }
        .negative { color: #EF4444; }

        .volume-bar {
            width: 100%;
            height: 4px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 2px;
            overflow: hidden;
            margin-top: 0.5rem;
        }

        .volume-fill {
            height: 100%;
            background: linear-gradient(90deg, #8B5CF6, #06B6D4);
            border-radius: 2px;
            animation: volumePulse 3s ease-in-out infinite;
        }

        .crypto-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 1.5rem;
            margin-bottom: 3rem;
        }

        .crypto-card {
            background: linear-gradient(145deg, rgba(20, 20, 20, 0.9), rgba(35, 35, 35, 0.6));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 1.8rem;
            backdrop-filter: blur(20px);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }

        .crypto-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.6), transparent);
        }

        .crypto-card:hover {
            transform: translateY(-6px);
            border-color: rgba(139, 92, 246, 0.4);
            box-shadow: 0 16px 50px rgba(139, 92, 246, 0.2);
        }

        .crypto-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1.5rem;
        }

        .coin-info {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .coin-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #8B5CF6, #06B6D4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .coin-details h3 {
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 0.3rem;
        }

        .coin-details span {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .rank-badge {
            background: rgba(139, 92, 246, 0.2);
            border: 1px solid rgba(139, 92, 246, 0.4);
            border-radius: 8px;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 600;
            color: #8B5CF6;
        }

        .price-section {
            margin-bottom: 1.5rem;
        }

        .current-price {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            background: linear-gradient(135deg, #FFFFFF, #B0B0B0);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .price-changes {
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }

        .change-item {
            display: flex;
            flex-direction: column;
            gap: 0.3rem;
        }

        .change-label {
            color: #B0B0B0;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .change-value {
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .market-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .stat-item {
            background: rgba(40, 40, 40, 0.3);
            border-radius: 8px;
            padding: 0.8rem;
        }

        .stat-label {
            color: #B0B0B0;
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 0.3rem;
        }

        .stat-value {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .mini-chart {
            width: 100%;
            height: 60px;
            background: rgba(40, 40, 40, 0.3);
            border-radius: 8px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: flex-end;
            padding: 8px;
            gap: 2px;
        }

        .chart-bar {
            flex: 1;
            background: linear-gradient(to top, rgba(139, 92, 246, 0.8), rgba(6, 182, 212, 0.4));
            border-radius: 1px;
            transition: all 0.3s ease;
            min-height: 8px;
        }

        .chart-bar:hover {
            background: linear-gradient(to top, #8B5CF6, #06B6D4);
        }

        .trending-badge {
            background: linear-gradient(135deg, #FF6B6B, #FF8E53);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            position: absolute;
            top: 1rem;
            right: 1rem;
        }

        .hot-badge {
            background: linear-gradient(135deg, #22C55E, #16A34A);
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            position: absolute;
            top: 1rem;
            right: 1rem;
        }

        .search-box {
            background: rgba(40, 40, 40, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 0.8rem 1rem;
            color: #FFFFFF;
            width: 300px;
            outline: none;
            transition: all 0.3s ease;
        }

        .search-box:focus {
            border-color: #8B5CF6;
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
        }

        .filter-tabs {
            display: flex;
            background: rgba(40, 40, 40, 0.8);
            border-radius: 12px;
            padding: 0.3rem;
            gap: 0.2rem;
            margin-bottom: 2rem;
            justify-content: center;
        }

        .filter-tab {
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            background: transparent;
            border: none;
            color: #B0B0B0;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.85rem;
        }

        .filter-tab.active {
            background: linear-gradient(135deg, #8B5CF6, #06B6D4);
            color: #FFFFFF;
        }

        .update-indicator {
            position: fixed;
            top: 80px;
            right: 2rem;
            background: rgba(34, 197, 94, 0.1);
            border: 1px solid rgba(34, 197, 94, 0.3);
            border-radius: 8px;
            padding: 0.5rem 1rem;
            font-size: 0.8rem;
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 1000;
        }

        .update-indicator.show {
            opacity: 1;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        @keyframes volumePulse {
            0%, 100% { opacity: 0.7; }
            50% { opacity: 1; }
        }

        @media (max-width: 768px) {
            .container { padding: 1rem; }
            .nav { padding: 0 1rem; flex-direction: column; gap: 1rem; }
            .search-box { width: 100%; }
            .market-overview { grid-template-columns: 1fr; }
            .crypto-grid { grid-template-columns: 1fr; }
            .price-changes { flex-direction: column; gap: 0.8rem; }
            .market-stats { grid-template-columns: 1fr; }
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            text-align: center;
            background: linear-gradient(135deg, #FFFFFF, #B0B0B0);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }