.sidebar {
width: 280px;
background-color: var(--bg-color2);
border-right: 1px solid var(--separator-color);
display: flex;
flex-direction: column;
overflow-y: auto;
flex-shrink: 0;
-webkit-overflow-scrolling: touch;
}

.sidebar-header {
padding: 16px;
font-size: 12px;
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.5px;
color: var(--secondary-text-color);
border-bottom: 1px solid var(--separator-color);
}

.sidebar-item {
display: flex;
align-items: center;
padding: 12px 16px;
cursor: pointer;
transition: background-color var(--transition-speed);
border-bottom: 1px solid transparent;
-webkit-tap-highlight-color: transparent;
touch-action: manipulation;
}

.sidebar-item:hover {
background-color: var(--bg-color3);
}

.sidebar-item.active {
background-color: var(--bg-color3);
border-left: 3px solid var(--primary-color);
}

.sidebar-item-icon {
font-size: 18px;
margin-right: 12px;
flex-shrink: 0;
}

.sidebar-item-info {
flex: 1;
min-width: 0;
}

.sidebar-item-name {
font-size: 14px;
font-weight: 500;
color: var(--text-color);
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}

.sidebar-item-count {
font-size: 11px;
color: var(--secondary-text-color);
margin-top: 2px;
}

.sidebar-item-badge {
background-color: var(--bg-color3);
color: var(--secondary-text-color);
padding: 2px 8px;
border-radius: 12px;
font-size: 11px;
font-weight: 600;
margin-left: 8px;
flex-shrink: 0;
}

.main-content {
flex: 1;
overflow-y: auto;
padding: 20px;
-webkit-overflow-scrolling: touch;
}

.video-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
gap: 20px;
}

.video-card {
background-color: var(--bg-color);
border: 1px solid var(--separator-color);
border-radius: 12px;
overflow: hidden;
transition: transform var(--transition-speed), box-shadow var(--transition-speed);
cursor: pointer;
-webkit-tap-highlight-color: transparent;
}

.video-card:hover {
transform: translateY(-4px);
box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.video-card-poster {
position: relative;
aspect-ratio: 16/9;
background-color: var(--bg-color2);
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
}

.play-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.3);
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: opacity var(--transition-speed);
}

.video-card-poster:hover .play-overlay {
opacity: 1;
}

/* Always show on touch devices since no hover */
@media (hover: none) {
.play-overlay {
opacity: 0.6;
}
}

.play-overlay-btn {
font-size: 48px;
color: #FFFFFF;
text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.video-card-body {
padding: 16px;
}

.video-card-title {
font-size: 14px;
font-weight: 600;
color: var(--text-color);
margin-bottom: 8px;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
}

.video-card-meta {
display: flex;
gap: 8px;
margin-bottom: 12px;
flex-wrap: wrap;
}

.video-card-actions {
display: flex;
gap: 8px;
}

.empty-state {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 60px 20px;
text-align: center;
}

.empty-state-icon {
font-size: 64px;
margin-bottom: 16px;
opacity: 0.5;
}

.empty-state-title {
font-size: 18px;
font-weight: 600;
color: var(--text-color);
margin-bottom: 8px;
}

.empty-state-text {
font-size: 14px;
color: var(--secondary-text-color);
max-width: 400px;
}

.extraction-bar {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 3px;
background-color: var(--bg-color3);
z-index: 10001;
}

.extraction-bar-fill {
height: 100%;
background-color: var(--primary-color);
width: 0;
transition: width var(--transition-speed);
}

.extraction-bar-fill.indeterminate {
animation: indeterminate 2s linear infinite;
}

@keyframes indeterminate {
0% { transform: translateX(-100%); }
100% { transform: translateX(100%); }
}

/* ─── Mobile ─────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
.sidebar {
width: 100%;
max-height: none;
border-right: none;
border-bottom: 1px solid var(--separator-color);
flex-shrink: 0;
}

.sidebar-item {
padding: 10px 12px;
}

.main-content {
padding: 12px;
overflow-y: visible;
}

.video-grid {
grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
gap: 12px;
}

.video-card-body {
padding: 10px;
}

.video-card-title {
font-size: 13px;
}

.video-card-meta {
gap: 4px;
}
}

@media (max-width: 480px) {
.video-grid {
grid-template-columns: 1fr 1fr;
gap: 10px;
}

.video-card-actions {
flex-wrap: wrap;
}

.video-card-actions .btn {
flex: 1;
font-size: 12px;
padding: 6px 10px;
}

.badge {
font-size: 10px;
padding: 2px 6px;
}

.video-card-meta {
margin-bottom: 8px;
}
}

@media (max-width: 360px) {
.video-grid {
grid-template-columns: 1fr;
}
}