/* Page Loader */
.loading {
    overflow: hidden;
}

.loading::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #0e0e0e;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeOut 0.5s 0.5s forwards;
}

.loading::before {
    content: '⚡';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: #66d9ef;
    z-index: 10000;
    animation: pulse 1s infinite;
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; visibility: hidden; }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

/* Image and Resource Loading States */
img.loading {
    position: relative;
    min-height: 200px;
    background: #1a1a1a;
}

img.loading::after {
    content: '🖼️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: #66d9ef;
}

video.loading {
    position: relative;
    min-height: 300px;
    background: #1a1a1a;
}

video.loading::after {
    content: '🎥';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    color: #66d9ef;
}

/* Error States */
.resource-error {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 20px;
    background: #1a1a1a;
    border-radius: 8px;
    color: #66d9ef;
}

.resource-error::before {
    content: '⚠️';
    font-size: 2rem;
    margin-bottom: 10px;
}

.demo-placeholder {
    height: 200px;
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #66d9ef;
    font-size: 1.2rem;
}