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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e, #ff6b6b);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.container {
    text-align: center;
    padding: 2rem;
    max-width: 90vw;
    position: relative;
    z-index: 10;
}

.heart-bg {
    position: absolute;
    font-size: 8rem;
    opacity: 0.1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

h1 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    font-weight: 300;
    letter-spacing: 1px;
}

.question {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 3rem;
    font-weight: 400;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    min-height: 60px;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: auto;
    min-width: 120px;
    min-height: 44px;
    text-align: center;
    box-sizing: border-box;
}

.yes-btn {
    background: linear-gradient(45deg, #ff69b4, #ff1493);
    color: white;
}

.yes-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #ff1493, #ff69b4);
}

.no-btn {
    background: linear-gradient(45deg, #ccc, #999);
    color: #666;
    position: relative;
    transition: all 0.1s ease;
}

.no-btn:hover {
    transform: none;
}

.success-message {
    color: white;
    animation: fadeIn 0.5s ease;
}

.success-message h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.success-message p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.hearts-animation {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 2rem;
}

.heart {
    animation: float 2s ease-in-out infinite;
}

.heart:nth-child(2) {
    animation-delay: 0.3s;
}

.heart:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.hidden {
    display: none;
}

/* Mobile-first responsive design */
@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .question {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 1.2rem 2.5rem;
        font-size: 1.4rem;
    }
    
    .heart-bg {
        font-size: 10rem;
    }
}

@media (min-width: 1024px) {
    h1 {
        font-size: 3rem;
    }
    
    .question {
        font-size: 2rem;
    }
    
    .btn {
        padding: 1.5rem 3rem;
        font-size: 1.6rem;
    }
    
    .heart-bg {
        font-size: 12rem;
    }
}