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

body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    font-family: 'Arial', sans-serif;
    overflow: hidden;
}

.container {
    text-align: center;
    background: white;
    padding: 60px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 100%;
}

.main-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

h1 {
    font-size: 2.5em;
    color: #ff1744;
    margin-bottom: 20px;
}

.heart {
    font-size: 4em;
    animation: heartbeat 1.2s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.2);
    }
}

.button-container {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

button {
    padding: 15px 40px;
    font-size: 1.2em;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

.yes-btn {
    background-color: #4CAF50;
    color: white;
}

.yes-btn:hover {
    background-color: #45a049;
    transform: scale(1.05);
}

.no-btn {
    background-color: #f44336;
    color: white;
    position: relative;
}

.no-btn:hover {
    background-color: #da190b;
}

/* Cat warning screen */
.cat-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #000000 0%, #333333 100%);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 20px;
    z-index: 1000;
}

.cat-screen.show {
    display: flex;
}

.cat-image {
    width: 300px;
    height: 300px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(255, 255, 255, 0.3);
}

.cat-text {
    font-size: 2em;
    color: #ff1744;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Happy Valentine Screen */
.happy-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ff6b9d 0%, #c44569 100%);
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 30px;
    z-index: 1000;
}

.happy-screen.show {
    display: flex;
}

.happy-image {
    width: 300px;
    height: 300px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    object-fit: cover;
}

.happy-text {
    font-size: 3em;
    color: white;
    font-weight: bold;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    text-align: center;
    padding: 20px;
}

/* Confetti */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    pointer-events: none;
}