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

        body {
            font-family: 'Georgia', serif;
            background: linear-gradient(135deg, #ffd89b 0%, #19547b 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            position: relative;
        }

        /* Background Ornaments */
        body::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(circle at 20% 50%, rgba(255, 182, 193, 0.3) 0%, transparent 50%),
                        radial-gradient(circle at 80% 80%, rgba(173, 216, 230, 0.3) 0%, transparent 50%);
            pointer-events: none;
        }

        .container {
            text-align: center;
            color: white;
            z-index: 10;
            padding: 20px;
            width: 100%;
            max-width: 900px; /* Membatasi lebar maksimal di laptop */
        }

        /* Responsivitas Judul */
        h1 {
            font-size: clamp(2em, 5vw, 3.5em); /* Font mengecil di HP, membesar di Laptop */
            margin-bottom: 20px;
            animation: fadeInDown 1s ease-out;
            text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
        }

        .form-container, .message {
            background: rgba(255, 255, 255, 0.2);
            padding: clamp(20px, 5vw, 40px);
            border-radius: 20px;
            backdrop-filter: blur(10px);
            margin: 20px auto;
            width: 90%;
            max-width: 500px;
            animation: fadeIn 1s ease-out 0.5s both;
            border: 2px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        /* Ukuran khusus untuk box pesan agar lebih enak dibaca di laptop */
        .message {
            max-width: 650px;
            font-size: clamp(1.1em, 2vw, 1.3em);
            line-height: 1.6;
        }

        .form-group {
            margin-bottom: 25px;
            text-align: left;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-size: 1.1em;
            font-weight: bold;
        }

        input[type="text"] {
            width: 100%;
            padding: 12px;
            font-size: 1.1em;
            border: none;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.9);
            color: #333;
        }

        input[type="file"] { display: none; }

        /* Frame Foto Responsive */
        .photo-upload-frame, .photo-frame {
            width: clamp(150px, 40vw, 200px);
            height: clamp(150px, 40vw, 200px);
            margin: 20px auto;
            border: 5px solid white;
            border-radius: 50%;
            overflow: hidden;
            cursor: pointer;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            transition: transform 0.3s;
        }

        .photo-upload-placeholder, .photo-placeholder {
            width: 100%; height: 100%;
            background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
            display: flex; flex-direction: column;
            align-items: center; justify-content: center;
            font-size: 3em;
        }

        .photo-frame img, .photo-upload-frame img {
            width: 100%; height: 100%; object-fit: cover;
        }

        .heart {
            display: inline-block;
            color: #ff6b6b;
            animation: heartbeat 1.5s infinite;
        }

        button {
            padding: clamp(10px, 3vw, 15px) clamp(25px, 6vw, 40px);
            font-size: clamp(1em, 2vw, 1.2em);
            background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            margin-top: 20px;
            transition: 0.3s;
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }

        button:hover { transform: scale(1.05); }

        /* Dekorasi Tambahan */
        .butterfly { position: absolute; font-size: clamp(20px, 4vw, 30px); animation: fly 15s infinite; opacity: 0.8; }
        .flower { position: absolute; font-size: clamp(30px, 5vw, 40px); animation: sway 3s ease-in-out infinite; bottom: 10px; }
        .cake { font-size: clamp(3em, 8vw, 5em); animation: bounce 2s infinite; margin: 15px 0; }

        /* Animations */
        @keyframes fadeInDown { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        @keyframes heartbeat { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.1); } }
        @keyframes sway { 0%, 100% { transform: rotate(-5deg); } 50% { transform: rotate(5deg); } }
        @keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
        @keyframes fly { 
            0% { transform: translate(0, 0) rotate(0deg); }
            50% { transform: translate(70vw, -20vh) rotate(-45deg); }
            100% { transform: translate(0, 0) rotate(0deg); }
        }
        @keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-10px); } 75% { transform: translateX(10px); } }
        @keyframes fall { to { transform: translateY(110vh) rotate(360deg); } }

        .hidden { display: none; }

        /* Laptop/Desktop Adjustments */
        @media (min-width: 1024px) {
            .container { padding: 40px; }
            .form-container { margin: 10px auto; }
        }