body {
    font-family: 'Arial', sans-serif;
    background-color: #fdf0f5;
    color: #333;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

header {
    background-color: #ffe4e9;
    padding: 20px;
    border-radius: 10px;
}

header h1 {
    margin: 0;
    color: #ff6b81;
    font-family: 'Cursive', sans-serif;
}

/* Base styles for the navigation */
nav ul {
    display: flex;
    flex-wrap: wrap; /* Allows items to wrap onto the next line */
    justify-content: center;
    padding: 0;
    margin: 0;
    list-style-type: none;
}

nav ul li {
    flex: 1 1 33%; /* Each button takes up 33% of the width on mobile (3 buttons per row) */
    box-sizing: border-box; /* Ensures padding and borders are included in the width */
    padding: 10px;
    text-align: center;
}

nav ul li a {
    display: block;
    padding: 15px;
    background-color: #ff6b81;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); /* Add a slight shadow for depth */
}

nav ul li a:hover {
    background-color: #ff4c6a; /* Darker shade for hover effect */
}

nav ul li a:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(255, 107, 129, 0.5);
}

/* Media query for smaller screens */
@media (max-width: 600px) {
    nav ul {
        display: flex;
        flex-wrap: wrap;
    }

    nav ul li {
        flex: 1 1 33%; /* Each button will take up 33% of the width */
    }

    nav ul li a {
        padding: 10px 5px; /* Adjust padding for smaller screens */
        font-size: 14px; /* Slightly smaller font size for mobile */
    }
}

/* Birthday Surprise Styling */
.birthday-surprise {
    display: none; /* Hidden by default */
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #ffe4e9;
    padding: 20px 40px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    z-index: 999; /* Lower than the confetti */
    text-align: center;
}

.birthday-surprise h1 {
    color: #ff6b81;
    font-family: 'Cursive', sans-serif;
    font-size: 3em;
}

/* Confetti Styling */
.confetti {
    position: fixed; /* Fixed position to ensure it stays within the viewport */
    top: 0; /* Start confetti from the top of the screen */
    width: 10px;
    height: 10px;
    background-color: #ff6b81;
    z-index: 1000; /* Higher than the birthday message */
    opacity: 0;
    animation-fill-mode: forwards;
    pointer-events: none; /* Prevent interaction */
    animation: fall 4s ease-in-out;
    transform: rotate(0deg); /* Initial rotation */
}

@keyframes fall {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg); /* Fall to the bottom of the viewport */
        opacity: 0;
    }
}

.intro h2 {
    color: #ff6b81;
    font-family: 'Cursive', sans-serif;
}

footer {
    margin-top: 20px;
    font-size: 14px;
    color: #888;
}

footer p {
    margin: 0;
}

body {
    overflow-x: hidden; /* Prevent horizontal scrolling */
}

button {
    background-color: #ff6b81; /* A nice pink color that fits the romantic theme */
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 20px;
}

button:hover {
    background-color: #ff4c6a; /* Darker shade of pink for hover effect */
}

button:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(255, 107, 129, 0.5); /* Add a subtle focus effect */
}

.reveal-button {
    background-color: #ff6b81;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 20px;
}

.reveal-button:hover {
    background-color: #ff4c6a;
}

.reveal-button:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(255, 107, 129, 0.5);
}

.heart {
    position: fixed; /* Change to fixed to keep hearts within the viewport */
    width: 50px;
    height: 50px;
    background: url('heart.png') no-repeat center center;
    background-size: contain;
    opacity: 0; /* Start with the heart invisible */
    animation-fill-mode: forwards; /* Ensure the animation keeps the final state */
    pointer-events: none; /* Hearts should not interfere with other interactions */
}

@keyframes floatUp {
    0% {
        bottom: -50px;
        opacity: 1;
        transform: scale(0.5);
    }
    100% {
        bottom: 100%;
        opacity: 0;
        transform: scale(1.5);
    }
}

.love-letter p {
    font-family: 'Dancing Script', cursive;
    font-size: 24px;
    color: #ff6b81;
    line-height: 1.6;
    text-align: left;
    margin: 20px;
    padding: 20px;
    background-color: #ffe4e9;
    border-radius: 10px;
}

#quiz-area {
    margin-top: 20px;
}

.question {
    margin: 20px 0;
}

.answers button {
    display: block;
    margin: 10px 0;
    padding: 10px;
    width: 100%;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
}

.answers button.correct {
    background-color: #4CAF50; /* Green for correct */
    color: white;
}

.answers button.wrong {
    background-color: #F44336; /* Red for wrong */
    color: white;
}

#result {
    text-align: center;
    margin-top: 30px;
}

#result h2 {
    font-size: 2em;
    color: #ff6b81;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

#result {
    animation: fadeIn 2s ease-in-out;
}

/* Responsive Video Player */
iframe {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto; /* Center the video */
}

/* Adjust video player on smaller screens */
@media (max-width: 600px) {
    iframe {
        width: 100%;
        height: auto;
    }
}