* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Noto Sans KR', 'Malgun Gothic', '¸¼Àº °íµñ', 'Apple SD Gothic Neo', sans-serif !important;
        }
        
        body {
            font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
            background: #f8fafc;
            min-height: 100vh;
            color: #333;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0rem;
        }
        
        .header {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            border: 1px solid #e5e7eb;
            text-align: center;
        }
        
        .header h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #1f2937;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
        }
        
        .header h1 i {
            color: #3b82f6;
        }
        
        .header p {
            color: #6b7280;
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }
        
        .stock-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        
        .stock-card {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            border: 1px solid #e5e7eb;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        
        .stock-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: #3b82f6;
        }
        
        .stock-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
        }
        
        .stock-card h3 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #1f2937;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .stock-card .symbol {
            font-size: 0.9rem;
            color: #6b7280;
            background: #f1f5f9;
            padding: 0.25rem 0.75rem;
            border-radius: 20px;
            font-weight: 500;
        }
        
        .stock-card .description {
            color: #6b7280;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        
        .stock-card .chart-icon {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 1.5rem;
            color: #3b82f6;
            opacity: 0.3;
            transition: all 0.3s ease;
        }
        
        .stock-card:hover .chart-icon {
            opacity: 1;
            transform: scale(1.1);
        }
        
        .back-button {
            position: fixed;
            top: 2rem;
            left: 2rem;
            background: white;
            border: 1px solid #e5e7eb;
            border-radius: 50px;
            padding: 1rem 1.5rem;
            font-size: 1rem;
            color: #6b7280;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .back-button:hover {
            background: #3b82f6;
            color: white;
            border-color: #3b82f6;
            transform: translateY(-2px);
        }
        
        .info-section {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
            border: 1px solid #e5e7eb;
        }
        
        .info-section h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .info-section h2 i {
            color: #3b82f6;
        }
        
        .info-list {
            list-style: none;
            padding: 0;
        }
        
        .info-list li {
            padding: 0.75rem 0;
            border-bottom: 1px solid #f3f4f6;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .info-list li:last-child {
            border-bottom: none;
        }
        
        .info-list li i {
            color: #10b981;
            width: 20px;
        }
        
        .notification {
            position: fixed;
            top: 2rem;
            right: 2rem;
            background: #10b981;
            color: white;
            padding: 1rem 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
            z-index: 10000;
            animation: slideIn 0.3s ease;
            max-width: 300px;
            display: none;
        }
        
        @keyframes slideIn {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        @keyframes slideOut {
            from {
                transform: translateX(0);
                opacity: 1;
            }
            to {
                transform: translateX(100%);
                opacity: 0;
            }
        }
        
        @media (max-width: 768px) {
            .container {
                padding: 1rem;
            }
            
            .header h1 {
                font-size: 2rem;
                flex-direction: column;
                gap: 0.5rem;
            }
            
            .stock-grid {
                grid-template-columns: 1fr;
            }
            
            .back-button {
                top: 1rem;
                left: 1rem;
                padding: 0.75rem 1rem;
            }
        }