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

html, body {
    width: 100%;
    height: 100%;
    -webkit-user-select: none;
    user-select: none;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: #000;
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    min-height: 100vh;
}

.container {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.video-container {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-item {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    touch-action: none;
    z-index: 1;
}

.video-item.active {
    opacity: 1;
    z-index: 2;
}

.video-item.prev {
    opacity: 0;
    z-index: 1;
}

.video-item.next {
    opacity: 0;
    z-index: 1;
}

video {
    width: 100%;
    height: 100%;
    object-fit: contain;
    max-width: 100%;
    max-height: 100%;
    -webkit-user-select: none;
    user-select: none;
    -webkit-media-controls-panel: auto;
}

/* iOS Safari specific */
video::-webkit-media-controls {
    display: none;
}

/* Mobile view - portrait */
@media (max-aspect-ratio: 1/1) {
    video {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
}

/* Desktop view - landscape */
@media (min-aspect-ratio: 1/1) {
    video {
        width: auto;
        height: 100%;
        object-fit: cover;
    }
}

.video-info {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: white;
    z-index: 10;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    pointer-events: none;
}

.video-title {
    font-size: clamp(14px, 4vw, 24px);
    font-weight: 600;
    margin-bottom: 8px;
}

.video-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 10;
}

.control-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.control-btn:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.control-btn:active {
    transform: scale(0.95);
}

.loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 18px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    z-index: 20;
}

.loading.show {
    opacity: 1;
}

.loading-bar {
    position: absolute;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff006e, #00f5ff);
    width: 0%;
    transition: width 0.1s linear;
}

.gesture-indicator {
    position: absolute;
    top: 20px;
    left: 20px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 12px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.gesture-indicator.show {
    opacity: 1;
}

/* Swipe animation */
.video-item.swipe-up {
    animation: slideUp 0.3s ease-out forwards;
}

.video-item.swipe-down {
    animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideUp {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(-100%);
    }
}

@keyframes slideDown {
    from {
        transform: translateY(0);
    }
    to {
        transform: translateY(100%);
    }
}

/* Loading spinner */
.spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 3px solid #fff;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}