.app-container {
    display: flex; height: 100vh; width: 100vw;
}


.sidebar {
    width: 320px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
}
.sidebar-header {
    padding: 20px; border-bottom: 1px solid var(--border);
}
.sidebar-header h2 { font-size: 1.2rem; font-weight: 600; letter-spacing: 0.5px; }
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-left: 10px;
}
.sidebar-brand-mark {
    width: 28px;
    height: 28px;
}
.sidebar-brand-name {
    margin: 0;
    padding-top: 2px;
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: var(--vc-grad-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.folder-list {
    flex: 1; overflow-y: auto;
    padding: 10px;
}
.folder-section {
    margin-bottom: 10px;
}
.folder-section-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 10px;
    border: 0;
    border-radius: 12px;
    background: rgba(255,255,255,0.02);
    color: var(--vc-ink-3);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    text-align: left;
}
.folder-section-header:hover {
    background: rgba(255,255,255,0.05);
}
.folder-section-header-main,
.folder-section-header-side {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.folder-section-count,
.folder-section-note,
.folder-section-caret {
    color: var(--vc-ink-4);
    font-size: 0.68rem;
}
.folder-section-caret {
    min-width: 12px;
    text-align: center;
}
.folder-section-content {
    display: none;
    padding-top: 8px;
}
.folder-section.open .folder-section-content {
    display: block;
}
.folder-item {
    padding: 15px; border-radius: 8px; cursor: pointer;
    margin-bottom: 8px; border: 1px solid transparent;
    transition: all 0.2s;
    background: transparent;
    color: inherit;
    text-align: left;
    display: block;
    width: 100%;
}
.folder-item:hover { background: var(--hover-bg); }
.folder-item.active {
    background: var(--vc-brand-bg);
    border-color: var(--vc-brand-line);
}
.folder-item.virtual-folder {
    background: rgba(255,255,255,0.02);
    border-color: rgba(255,255,255,0.04);
}
.folder-item.virtual-folder strong {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.folder-item-badge {
    display: inline-flex;
    align-items: center;
    min-height: 20px;
    padding: 0 8px;
    border-radius: 999px;
    background: var(--vc-brand-bg);
    color: var(--vc-brand-soft);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.folder-item strong { display: block; font-size: 0.9rem; margin-bottom: 5px; color: var(--vc-ink-2);}
.folder-item small { font-size: 0.75rem; color: var(--text-muted); display:block;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.folder-item-persona-shell {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
}
.folder-item-persona-thumb {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
}
.folder-item-persona-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.folder-item-persona-copy {
    min-width: 0;
}
.folder-item-persona-copy strong {
    margin-bottom: 4px;
}
.folder-item-feature-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}
.folder-item-feature-chip {
    display: inline-flex;
    align-items: center;
    min-height: 20px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgba(255,255,255,0.08);
    color: var(--vc-ink-2);
    font-size: 0.66rem;
    font-weight: 600;
    white-space: nowrap;
}
.sidebar-classifier {
    padding: 15px;
    border-top: 1px solid var(--border);
    background: rgba(255,255,255,0.02);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.sidebar-classifier h3 {
    font-size: 0.85rem;
    color: var(--vc-ink);
}
.sidebar-classifier-status {
    color: var(--vc-ink-3);
    font-size: 0.75rem;
    line-height: 1.45;
    min-height: 32px;
}


.main-content {
    flex: 1; display: flex; flex-direction: column;
    background: var(--bg-color);
}
.top-nav {
    height: 80px; padding: 0 30px; border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    position: relative;
    z-index: 2101;
}
.top-nav-primary {
    display: contents;
}
.nav-left-group {
    display: flex;
    align-items: center;
    gap: 15px;
}
.nav-heading-block {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.nav-heading-title {
    margin: 0;
    font-size: 1.1rem;
}
.nav-heading-subtitle {
    margin: 2px 0 0;
    font-size: 0.8rem;
}
.nav-left h1 { font-size: 1.5rem; font-weight: 800; margin-bottom: 4px; }
.nav-left .subtitle { font-size: 0.85rem; color: var(--text-muted); 
    max-width: 600px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.top-stats-shifted {
    margin-left: 10px;
}
.top-stats {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}
.top-stat {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.04);
    color: var(--vc-ink-2);
    font-size: 0.78rem;
    font-weight: 600;
}

.nav-right { display: flex; align-items: center; gap: 15px; }
.nav-right-tight { gap: 10px; }
.mode-switcher {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px;
    background: rgba(255,255,255,0.03);
}
.mode-switcher-btn {
    min-height: 34px;
    padding: 0 14px;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: var(--vc-ink-3);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    cursor: pointer;
}
.mode-switcher-btn.active {
    background: var(--vc-brand-bg);
    color: var(--vc-ink);
    box-shadow: inset 0 0 0 1px var(--vc-brand-line);
}
.mobile-menu-toggle,
.mobile-menu-overlay,
.mobile-menu-actions,
.mobile-quick-filters,
.mobile-portfolio-select,
.mobile-only-btn,
.mobile-swiper-sheet {
    display: none;
}
.mobile-menu-toggle {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}
.mobile-menu-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: #fff;
    display: block;
}
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.52);
    z-index: 119;
}
.mobile-quick-filters {
    gap: 8px;
    padding: 10px 12px 0;
    overflow-x: auto;
    white-space: nowrap;
}
.mobile-quick-filters .chip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    color: var(--vc-ink-2);
    font-size: 0.82rem;
    font-weight: 600;
}
.mobile-quick-filters .chip.active {
    border-color: rgba(255, 42, 95, 0.45);
    background: var(--vc-brand-bg);
    color: var(--vc-ink);
}
.mobile-swiper-sheet {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1003;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
    background: rgba(12,12,12,0.96);
    backdrop-filter: blur(18px);
    padding: 10px 16px calc(18px + env(safe-area-inset-bottom, 0px));
    transform: translateY(calc(100% - 44px));
    transition: transform 0.24s ease;
}
.mobile-swiper-sheet.open {
    transform: translateY(0);
}
.mobile-swiper-sheet-handle {
    width: 42px;
    height: 4px;
    border-radius: 999px;
    background: rgba(255,255,255,0.22);
    margin: 0 auto 12px;
}
.mobile-swiper-sheet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.mobile-swiper-meta-content {
    max-height: 24vh;
    overflow-y: auto;
    color: var(--vc-ink-2);
    font-size: 0.8rem;
    line-height: 1.45;
}
.mobile-swiper-sheet-actions {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}
.mobile-swiper-sheet textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: #171717;
    color: #fff;
    font-size: 0.86rem;
    resize: none;
}
.mobile-lipsync-status {
    font-size: 0.78rem;
    text-align: center;
    color: var(--vc-ink-3);
}
.workspace-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 14px 30px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.01) 100%);
}
.workspace-toolbar-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}
.workspace-toolbar-copy strong {
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--vc-ink);
}
.workspace-toolbar-copy span {
    font-size: 0.78rem;
    color: var(--vc-ink-3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.workspace-toolbar-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.status-pill {
    background: var(--sidebar-bg); border: 1px solid var(--border);
    padding: 6px 12px; border-radius: 20px; display: flex; align-items: center; gap: 8px;
    font-size: 0.8rem; font-weight: 600;
}
.engine-control-cluster {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-right: 15px;
    padding: 4px 10px;
    border-radius: 20px;
    background: rgba(0,0,0,0.3);
}
.engine-status-pill {
    margin: 0;
    padding: 4px 8px;
    background: transparent;
    border: 0;
}
.engine-status-text {
    display: inline-block;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.8rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.off { background: var(--vc-ink-5); }
.dot.on { background: var(--vc-success); box-shadow: 0 0 10px var(--vc-success); animation: pulse 1.5s infinite; }

.btn {
    padding: 8px 16px; border-radius: 6px; font-weight: 600; font-size: 0.85rem;
    cursor: pointer; transition: 0.2s; border: none;
}
.btn.primary { background: var(--accent); color: white; }
.btn.outline { background: transparent; border: 1px solid var(--text-muted); color: var(--text-color); }
.btn.outline:hover { border-color: var(--text-color); }
.btn-pill {
    padding: 6px 15px;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 700;
}
.btn-pill-cyan {
    min-width: 100px;
    border-color: var(--vc-info);
    color: var(--vc-info);
}
.btn-pill-blue,
.btn-pill-gradient {
    border: 0;
    color: #fff;
}
.btn-pill-blue {
    min-width: 150px;
    background: linear-gradient(135deg, #00c6ff 0%, #0072ff 100%);
}
.btn-pill-gradient {
    min-width: 175px;
    background: linear-gradient(135deg, #a461ff 0%, #ff2a5f 100%);
}
.btn-pill-accent-outline {
    border-radius: 20px;
    border-color: var(--vc-brand);
    color: var(--vc-brand);
}
.btn-pill-muted {
    border-radius: 20px;
    border-color: #666;
    color: #ccc;
}
.btn-pill-danger {
    border-radius: 30px;
    border-color: var(--danger);
    color: var(--danger);
}
.btn-chip {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
}
.btn-chip-accent {
    border-color: var(--vc-brand);
    color: var(--vc-brand);
}
.nav-action-spaced {
    margin-right: 10px;
}
.icon-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; }
.icon-btn:hover { color: white; }