/* Tutorials panel: YouTube player + video list / info (extracted from inline). */

.v2-tutorials {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-secondary);
    font-family: var(--font-ui);
}

.v2-tutorials-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    min-height: 28px;
}

.v2-tutorials-back-btn {
    cursor: pointer;
    color: var(--accent);
    font-size: 12px;
    margin-right: 8px;
}

.v2-tutorials-back-btn:hover {
    text-decoration: underline;
}

.v2-tutorials-header-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}

.v2-tutorials-player {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    background: #000;
    flex-shrink: 0;
}

.v2-tutorials-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.v2-tutorials-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

/* Video / playlist info */
.v2-tutorials-info {
    padding: 12px;
    color: var(--text-muted);
    font-size: 12px;
}

.v2-tutorials-info-title {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
}

.v2-tutorials-info-body {
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.6;
}

.v2-tutorials-info-row {
    margin-top: 8px;
}

.v2-tutorials-info-key {
    color: var(--accent);
    font-size: 11px;
}

.v2-tutorials-link {
    display: inline-block;
    margin-top: 10px;
    font-size: 12px;
    color: var(--accent);
    text-decoration: none;
}

.v2-tutorials-link:hover {
    text-decoration: underline;
}

/* Channel info (centered) */
.v2-tutorials-info-center {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted);
}

.v2-tutorials-channel-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.v2-tutorials-channel-title {
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
}

.v2-tutorials-channel-text {
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.v2-tutorials-channel-btn {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.15s;
}

.v2-tutorials-channel-btn:hover {
    opacity: 0.85;
}

/* Video list items */
.v2-tutorials-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    margin-bottom: 4px;
    border-radius: 6px;
    cursor: pointer;
    background: transparent;
    border-left: 3px solid transparent;
    transition: background 0.15s;
}

.v2-tutorials-item:hover,
.v2-tutorials-item.is-active {
    background: var(--bg-tertiary);
}

.v2-tutorials-item.is-active {
    border-left-color: var(--accent);
}

.v2-tutorials-item-indicator {
    font-size: 10px;
    margin-top: 3px;
    width: 14px;
    flex-shrink: 0;
    color: var(--text-muted);
}

.v2-tutorials-item.is-active .v2-tutorials-item-indicator {
    color: var(--accent);
}

.v2-tutorials-item-text {
    flex: 1;
    min-width: 0;
}

.v2-tutorials-item-title {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.v2-tutorials-item.is-active .v2-tutorials-item-title {
    font-weight: 600;
}

.v2-tutorials-item-desc {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.v2-tutorials-item-duration {
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    flex-shrink: 0;
}