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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: fixed;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Arial', sans-serif;
    overflow: hidden;
    background-color: #000;
    /* Use CSS variable for mobile viewport height */
    height: 100vh;
    height: var(--app-height, 100vh);
}

/* Screen Management */
.screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    width: 100%;
    height: 100vh;
    height: var(--app-height, 100vh);
    display: none;
    z-index: 1;
}

.screen.active {
    display: flex;
    z-index: 10;
}

/* Video Screen */
#video-screen {
    background: #000;
    justify-content: center;
    align-items: center;
}

.story-video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

.skip-video-btn {
    position: absolute;
    bottom: 30px;
    right: 30px;
    padding: 10px 24px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    z-index: 100;
    transition: opacity 0.5s ease, background 0.2s ease;
    opacity: 0;
}

.skip-video-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}