body {
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(45deg, #ff6b6b, #ff8e8e);
    font-family: 'Arial', sans-serif;
}

.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    width: 90%;
}

.image-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto 20px;
    border-radius: 15px;
}

.default-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    transition: opacity 0.3s ease;
    opacity: 1;
}

.hover-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 15px;
    transition: opacity 0.3s ease;
    opacity: 0;
    z-index: 1;
}

.hover-image.show {
    opacity: 1;
}

.heart {
    width: 100px;
    height: 100px;
    background: #ff4d4d;
    position: relative;
    margin: 0 auto 20px;
    transform: rotate(45deg);
    animation: heartbeat 1.5s infinite;
}

.heart:before,
.heart:after {
    content: '';
    width: 100px;
    height: 100px;
    background: #ff4d4d;
    border-radius: 50%;
    position: absolute;
}

.heart:before {
    left: -50px;
}

.heart:after {
    top: -50px;
}

@keyframes heartbeat {
    0% { transform: rotate(45deg) scale(1); }
    25% { transform: rotate(45deg) scale(1.1); }
    50% { transform: rotate(45deg) scale(1); }
    75% { transform: rotate(45deg) scale(1.1); }
    100% { transform: rotate(45deg) scale(1); }
}

h1 {
    color: #ff4d4d;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #ff4d4d;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}

.buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

button {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#yesBtn {
    background: #4CAF50;
    color: white;
}

#noBtn {
    background: #f44336;
    color: white;
}

button:hover {
    transform: scale(1.1);
}

.message {
    margin-top: 2rem;
    font-size: 1.5rem;
    color: #ff4d4d;
    min-height: 2rem;
}

.hidden {
    display: none;
}

#dateForm {
    margin-top: 2rem;
    animation: fadeIn 1s;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: #ff4d4d;
    font-size: 1.1rem;
}

input {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid #ff4d4d;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: #ff8e8e;
    box-shadow: 0 0 5px rgba(255, 77, 77, 0.5);
}

.submit-btn {
    background: #ff4d4d;
    color: white;
    width: 100%;
    padding: 1rem;
    font-size: 1.2rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    background: #ff6b6b;
    transform: scale(1.05);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.music-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 10px 20px;
    background: #ff4d4d;
    color: white;
    border: none;
    border-radius: 30px;
    cursor: pointer;
    font-size: 1.2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    z-index: 1000;
}

.music-button:hover {
    transform: scale(1.1);
    background: #ff6b6b;
}