* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: #000;
    color: #fff;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    height: 100vh;
    overflow: hidden;
}

.slide.intro {
    cursor: pointer;
    opacity: 1 !important; /* always visible until dismissed */
    z-index: 10;
    transition: opacity 1s ease;
}

.slide.intro.hidden {
    opacity: 0;
    pointer-events: none;
}

#app {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.carousel {
    width: 90%;
    max-width: 400px;
    height: 100vh;
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.1);
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.controls {
    margin-top: 10px;
    margin-bottom: 10px;
    display: flex;
    gap: 20px;
}

button {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 15px 20px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

#glitter-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 1;
}

.glitter-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, #fff 0%, transparent 70%);
    box-shadow: 0 0 6px #fff, 0 0 12px #fff;
    border-radius: 50%;
    opacity: 0;
    animation: glitter-fall 8s linear infinite;
}

@keyframes glitter-fall {
    0% {
        transform: translateY(-10px) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Add subtle glow to carousel */
.carousel {
    animation: subtle-glow 3s ease-in-out infinite alternate;
}

@keyframes subtle-glow {
    from { box-shadow: 0 0 30px rgba(255, 255, 255, 0.1); }
    to { box-shadow: 0 0 40px rgba(255, 255, 255, 0.3); }
}

/* Fade in animation on load */
#app {
    animation: fadeIn 2s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}