:root {
    --primary-color: #ff4b6e;
    --secondary-color: #ff8fa3;
    --bg-color: #fff0f3;
    --text-color: #2d3436;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(255, 75, 110, 0.2);
    --font-main: 'Outfit', sans-serif;
    --font-script: 'Dancing Script', cursive;
}

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

body {
    font-family: var(--font-main);
    background: url('../images/background.png');
    background-size: 400px;
    background-repeat: repeat;
    background-attachment: fixed;
    background-color: #fff0f3;
    /* Fallback */
    color: var(--text-color);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Floating Hearts Background */
.heart-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.heart-bg-item {
    position: absolute;
    color: rgba(255, 75, 110, 0.1);
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        transform: translateY(-20vh) rotate(360deg);
        opacity: 0;
    }
}

h1,
h2,
h3 {
    margin-bottom: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    width: 100%;
    font-weight: 600;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.hidden {
    display: none !important;
}

.app-title {
    font-family: var(--font-script);
    font-size: 3.5rem;
    color: var(--primary-color);
}

.heart-icon {
    display: inline-block;
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}