* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Montserrat', sans-serif;
            background: linear-gradient(135deg, #ffd1dc, #ffb7c5);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            overflow-x: hidden;
            color: #8a1c4a;
        }
        
        /* Password Modal */
        .password-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 182, 193, 0.95);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 100;
            transition: opacity 0.5s ease;
        }
        
        .password-content {
            background: white;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            text-align: center;
            max-width: 400px;
            width: 90%;
            animation: bounceIn 1s forwards;
        }
        
        .password-content h2 {
            font-family: 'Dancing Script', cursive;
            font-size: 32px;
            margin-bottom: 20px;
            color: #d81b60;
        }
        
        .password-input {
            width: 100%;
            padding: 12px;
            border: 2px solid #ffb7c5;
            border-radius: 10px;
            margin-bottom: 15px;
            font-size: 16px;
            text-align: center;
            outline: none;
            transition: border-color 0.3s;
        }
        
        .password-input:focus {
            border-color: #d81b60;
        }
        
        .submit-btn {
            background: #d81b60;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 10px;
            cursor: pointer;
            font-size: 16px;
            transition: background 0.3s, transform 0.2s;
        }
        
        .submit-btn:hover {
            background: #b71550;
            transform: scale(1.05);
        }
        
        /* Welcome Screen */
        .welcome-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #ffd1dc, #ffb7c5);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 99;
            transition: opacity 0.8s ease;
        }
        
        .welcome-message {
            font-family: 'Dancing Script', cursive;
            font-size: 48px;
            color: #d81b60;
            text-align: center;
            animation: pulse 2s infinite, float 3s ease-in-out infinite;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
        }
        
        /* Main Content */
        .container {
            width: 100%;
            max-width: 900px;
            padding: 20px;
            margin-top: 50px;
        }
        
        .tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        .tab {
            background: rgba(255, 255, 255, 0.7);
            border: none;
            padding: 12px 20px;
            border-radius: 50px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #d81b60;
            transition: all 0.3s ease;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .tab:hover {
            background: rgba(255, 255, 255, 0.9);
            transform: translateY(-3px);
        }
        
        .tab.active {
            background: white;
            color: #d81b60;
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        
        .content-area {
            background: white;
            border-radius: 20px;
            padding: 30px;
            min-height: 400px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
        }
        
        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease forwards;
        }
        
        .tab-content.active {
            display: block;
        }
        
        /* Love Letter Tab */
        .letter {
            padding: 20px;
            background: #fff5f7;
            border-radius: 15px;
            border: 2px dashed #ffb7c5;
            margin-bottom: 20px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .letter-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .letter h3 {
            font-family: 'Dancing Script', cursive;
            font-size: 28px;
            color: #d81b60;
        }
        
        .letter-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
        }
        
        .letter.expanded .letter-content {
            max-height: 500px;
        }
        
        /* Music Tab */
        .song {
            background: #f8e8ee;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .song-icon {
            font-size: 24px;
            color: #d81b60;
        }
        
        .song-info h4 {
            font-size: 18px;
            margin-bottom: 5px;
        }
        
        .song-info p {
            color: #888;
            font-size: 14px;
        }
        
        /* Notes Tab */
        .note {
            background: #fce4ec;
            padding: 15px;
            border-radius: 10px;
            margin-bottom: 15px;
            border-left: 4px solid #d81b60;
        }
        
        /* Gallery Tab */
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 15px;
        }
        
        .gallery-item {
            border-radius: 10px;
            overflow: hidden;
            height: 200px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        
        .gallery-item:hover {
            transform: scale(1.05);
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        /* Decorative Elements */
        .heart, .teddy-bear {
            position: absolute;
            z-index: -1;
            opacity: 0.2;
            pointer-events: none;
        }
        
        .heart {
            color: #d81b60;
            font-size: 24px;
            animation: float 6s ease-in-out infinite;
        }
        
        .teddy-bear {
            font-size: 32px;
            animation: float 8s ease-in-out infinite;
        }
        
        /* Animations */
        @keyframes bounceIn {
            0% { transform: scale(0.8); opacity: 0; }
            60% { transform: scale(1.05); }
            100% { transform: scale(1); opacity: 1; }
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .welcome-message {
                font-size: 36px;
            }
            
            .tabs {
                flex-direction: column;
                align-items: center;
            }
            
            .tab {
                width: 100%;
                justify-content: center;
            }
            
            .gallery {
                grid-template-columns: repeat(2, 1fr);
            }
        }