/* ===== Animations ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Skeleton Loader (Shimmer) ===== */
.skeleton {
    background: var(--yt-bg-secondary);
    background: linear-gradient(90deg,
            var(--yt-bg-secondary) 25%,
            var(--yt-bg-hover) 50%,
            var(--yt-bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

@keyframes shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.skeleton-thumb {
    width: 100%;
    aspect-ratio: 16/9;
    border-radius: var(--yt-radius-lg);
}

.skeleton-details {
    display: flex;
    gap: 12px;
}

.skeleton-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
}

.skeleton-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skeleton-title {
    height: 14px;
    width: 90%;
}

.skeleton-meta {
    height: 12px;
    width: 60%;
}

.skeleton-short {
    width: 180px;
    height: 320px;
    border-radius: 12px;
    background: var(--yt-bg-secondary);
    background: linear-gradient(90deg,
            var(--yt-bg-secondary) 25%,
            var(--yt-bg-hover) 50%,
            var(--yt-bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    flex-shrink: 0;
}

.skeleton-comment {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.skeleton-comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--yt-bg-secondary);
}

.skeleton-comment-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.skeleton-line {
    height: 12px;
    border-radius: 4px;
    background: var(--yt-bg-secondary);
    background: linear-gradient(90deg,
            var(--yt-bg-secondary) 25%,
            var(--yt-bg-hover) 50%,
            var(--yt-bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* ===== Loader ===== */
.yt-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    min-height: 300px;
    color: var(--yt-text-secondary);
    background: transparent;
}

/* ===== Friendly Empty State ===== */
.yt-empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--yt-text-secondary);
}

.yt-empty-icon {
    font-size: 48px;
    margin-bottom: 24px;
    opacity: 0.5;
}

.yt-empty-title {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--yt-text-primary);
}

.yt-empty-desc {
    font-size: 14px;
    margin-bottom: 24px;
}

/* ===== Toasts ===== */
.yt-toast-container {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    pointer-events: none;
}

.yt-toast {
    background: #1f1f1f;
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-size: 14px;
    animation: slideUp 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 280px;
    border-left: 4px solid #3ea6ff;
}

.yt-toast.error {
    border-left-color: #ff4e45;
}

.yt-toast.success {
    border-left-color: #2ba640;
}

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

    to {
        transform: translateY(0);
        opacity: 1;
    }
}