:root {
  --bg: #080a0f;
  --surface: rgba(18, 22, 32, 0.85);
  --surface-solid: #121820;
  --surface-2: #1a2130;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f0f3fa;
  --muted: #8d97ad;
  --accent: #7c6cf0;
  --accent-2: #5eb8ff;
  --accent-gradient: linear-gradient(135deg, #7c6cf0 0%, #5eb8ff 100%);
  --success: #34d399;
  --danger: #fb7185;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-gu: "Noto Sans Gujarati", var(--font);
}

*, *::before, *::after { box-sizing: border-box; }

.hidden { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 10% 20%, rgba(124, 108, 240, 0.18), transparent),
    radial-gradient(ellipse 50% 40% at 90% 80%, rgba(94, 184, 255, 0.12), transparent);
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 300px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.35rem;
  gap: 0.5rem;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
}

.brand {
  display: flex;
  gap: 0.85rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.brand-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 8px 24px rgba(124, 108, 240, 0.35);
  flex-shrink: 0;
}

.brand h1 { margin: 0; font-size: 1.05rem; font-weight: 700; letter-spacing: -0.02em; }
.brand p { margin: 0.1rem 0 0; font-size: 0.72rem; color: var(--muted); }

.nav-tree {
  flex: 1 1 0;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
}

.nav-section-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0.85rem 0 0.4rem 0.35rem;
  font-weight: 600;
}

.nav-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.7rem;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.86rem;
  text-align: left;
  cursor: pointer;
  transition: all 0.18s ease;
  margin-bottom: 2px;
}

.nav-item:hover { background: rgba(255, 255, 255, 0.04); border-color: var(--border); }
.nav-item.active { background: rgba(124, 108, 240, 0.12); border-color: rgba(124, 108, 240, 0.35); color: #c4b8ff; }

.nav-num {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  flex-shrink: 0;
}

.nav-item.active .nav-num { background: var(--accent-gradient); color: #fff; }

.nav-tag {
  font-size: 0.58rem;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  background: rgba(94, 184, 255, 0.12);
  color: var(--accent-2);
  font-weight: 600;
  margin-left: auto;
  flex-shrink: 0;
}

.nav-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-tag.draft { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }
.nav-item-draft .nav-num { background: rgba(251, 191, 36, 0.15); color: #fbbf24; }

.draft-banner {
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.35);
  border-radius: 10px;
  color: #fde68a;
  font-size: 0.82rem;
  line-height: 1.55;
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}
.draft-banner strong { color: #fbbf24; }
.draft-banner em { font-style: normal; font-weight: 600; color: #fde68a; }

#artist-nav-list { list-style: none; margin: 0; padding: 0; }

.current-snapshot {
  margin-bottom: 0.65rem;
  padding: 0.55rem 0.6rem;
  border-radius: 8px;
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  font-size: 0.72rem;
}

.snapshot-label { font-weight: 700; color: var(--success); text-transform: uppercase; font-size: 0.62rem; letter-spacing: 0.06em; }
.snapshot-meta { color: var(--muted); margin-top: 0.15rem; }
.snapshot-titles { margin: 0.35rem 0 0; padding-left: 1rem; color: var(--text); }

.backup-item {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.45rem;
  padding: 0.5rem 0.55rem;
  border-radius: 8px;
  background: var(--surface-2);
  font-size: 0.72rem;
}

.backup-info { display: flex; flex-direction: column; gap: 0.15rem; }
.backup-info strong { font-size: 0.75rem; color: var(--text); }
.backup-meta { font-size: 0.68rem; color: var(--muted); }

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.hidden { display: none; }

.modal {
  width: 100%;
  max-width: 440px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  animation: fadeUp 0.25s ease;
}

.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 1.1rem 1.25rem; border-bottom: 1px solid var(--border); }
.modal-header h2 { margin: 0; font-size: 1.1rem; }
.modal-close { font-size: 1.4rem; line-height: 1; }
.modal-body { padding: 1.25rem; max-height: 50vh; overflow-y: auto; }
.modal-footer { display: flex; justify-content: flex-end; gap: 0.6rem; padding: 1rem 1.25rem; border-top: 1px solid var(--border); }

.preview-card { font-size: 0.88rem; }
.preview-date { margin: 0 0 0.75rem; }
.preview-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 0.65rem; margin: 0 0 1rem; }
.preview-stats div { background: var(--surface-2); padding: 0.55rem 0.65rem; border-radius: 8px; }
.preview-stats dt { font-size: 0.68rem; color: var(--muted); margin: 0; }
.preview-stats dd { margin: 0.2rem 0 0; font-weight: 600; font-size: 0.85rem; }
.preview-label { margin: 0 0 0.35rem; font-size: 0.75rem; color: var(--muted); }
.preview-titles { margin: 0 0 1rem; padding-left: 1.1rem; font-size: 0.82rem; }
.preview-note { margin: 0; font-size: 0.78rem; color: var(--muted); }
.preview-error { color: var(--danger); }
.modal-loading { color: var(--muted); }

.sidebar-block {
  flex-shrink: 0;
  padding: 0.9rem;
  border-radius: var(--radius);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
}

.block-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.35rem; }
.block-head h3 { margin: 0; font-size: 0.82rem; font-weight: 600; }

.badge {
  font-size: 0.68rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: rgba(124, 108, 240, 0.2);
  color: #c4b8ff;
  font-weight: 600;
}

.block-hint { font-size: 0.72rem; color: var(--muted); margin: 0 0 0.65rem; }

.backup-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-height: 140px;
  overflow-y: auto;
}

.backup-empty { font-size: 0.72rem; color: var(--muted); padding: 0.25rem 0; }
.sidebar-actions { flex-shrink: 0; padding-top: 0.5rem; }

.workspace { display: flex; flex-direction: column; min-width: 0; }

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.75rem;
  border-bottom: 1px solid var(--border);
  background: rgba(12, 15, 22, 0.6);
  backdrop-filter: blur(12px);
}

.step-nav { display: flex; align-items: center; gap: 0.85rem; }
.step-indicator { display: flex; flex-direction: column; min-width: 200px; }
.step-label { font-weight: 700; font-size: 1rem; letter-spacing: -0.02em; }
.step-count { font-size: 0.78rem; color: var(--muted); }

.status-toast {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 9999;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.7rem 1.2rem;
  border-radius: 12px;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.22s ease, transform 0.22s ease;
  max-width: 420px;
  pointer-events: none;
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  backdrop-filter: blur(16px);
}

.status-toast.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.status-toast.ok { background: rgba(52, 211, 153, 0.15); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.35); }
.status-toast.err { background: rgba(251, 113, 133, 0.15); color: var(--danger); border: 1px solid rgba(251, 113, 133, 0.35); }

.panel { flex: 1; padding: 1.5rem 1.75rem 2.5rem; overflow-y: auto; }
.panel.hidden { display: none; }

.panel-card { max-width: 1000px; animation: fadeUp 0.35s ease; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 50vh;
  color: var(--muted);
  text-align: center;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.panel-tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #a89cff;
  background: rgba(124, 108, 240, 0.15);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}

.panel-header { margin-bottom: 1.75rem; }
.panel-header-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.panel-header h2 { margin: 0 0 0.4rem; font-size: 1.6rem; font-weight: 700; letter-spacing: -0.03em; }
.panel-header p { margin: 0; color: var(--muted); font-size: 0.9rem; }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field-full { grid-column: 1 / -1; }

.field-group label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.lang-pill {
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: rgba(94, 184, 255, 0.15);
  color: var(--accent-2);
  font-weight: 700;
}

.lang-pill.gu { background: rgba(124, 108, 240, 0.15); color: #c4b8ff; }

.field-group input,
.field-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-solid);
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  resize: vertical;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field-group input:focus,
.field-group textarea:focus {
  outline: none;
  border-color: rgba(124, 108, 240, 0.5);
  box-shadow: 0 0 0 4px rgba(124, 108, 240, 0.12);
}

.field-group.gujarati input,
.field-group.gujarati textarea { font-family: var(--font-gu); }

.audio-block { margin-top: 2rem; }

.audio-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

@media (max-width: 700px) { .audio-grid { grid-template-columns: 1fr; } }

.audio-card {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.audio-card h4 { margin: 0 0 0.65rem; font-size: 0.9rem; display: flex; align-items: center; gap: 0.4rem; }
.audio-card audio { width: 100%; margin: 0.5rem 0; }
.audio-filename { font-size: 0.68rem; color: var(--muted); word-break: break-all; font-family: ui-monospace, monospace; margin-bottom: 0.5rem; min-height: 1.2em; }
.audio-empty { font-size: 0.8rem; color: var(--muted); margin: 0.35rem 0 0.65rem; }
.audio-actions { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.audio-card.audio-drag-over { border-color: var(--accent-2); box-shadow: 0 0 0 2px rgba(94, 184, 255, 0.25); }

.images-block { margin-top: 2rem; }
.images-header h3 { margin: 0 0 0.25rem; font-size: 1.1rem; font-weight: 700; }
.images-header .optional-tag { font-size: 0.75rem; font-weight: 500; color: var(--muted); }

.hint { font-size: 0.8rem; color: var(--muted); margin: 0; }
.hint code { font-size: 0.78rem; color: #a89cff; background: rgba(124, 108, 240, 0.1); padding: 0.15rem 0.4rem; border-radius: 4px; }

.drop-zone {
  margin: 1.25rem 0;
  border: 2px dashed rgba(124, 108, 240, 0.35);
  border-radius: var(--radius-lg);
  background: rgba(124, 108, 240, 0.04);
  transition: border-color 0.2s, background 0.2s;
}

.drop-zone.drag-over { border-color: var(--accent-2); background: rgba(94, 184, 255, 0.08); }

.drop-zone-inner { padding: 2rem; text-align: center; color: var(--muted); }
.drop-zone-inner svg { opacity: 0.5; margin-bottom: 0.5rem; }
.drop-zone-inner p { margin: 0 0 0.35rem; font-weight: 500; color: var(--text); }
.drop-zone-inner span { display: block; font-size: 0.8rem; margin: 0.5rem 0; }

.image-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.15rem; }

.image-card {
  position: relative;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, border-color 0.2s;
}

.image-card:hover { transform: translateY(-3px); border-color: rgba(124, 108, 240, 0.3); }
.image-card .img-wrap { position: relative; overflow: hidden; }
.image-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; background: #000; }
.image-card .img-index { position: absolute; top: 10px; left: 10px; font-size: 0.68rem; font-weight: 700; background: rgba(0,0,0,0.65); backdrop-filter: blur(6px); padding: 0.2rem 0.5rem; border-radius: 6px; }
.image-card-footer { padding: 0.75rem 0.85rem; display: flex; flex-direction: column; gap: 0.55rem; }
.image-filename { font-size: 0.7rem; color: var(--muted); word-break: break-all; font-family: ui-monospace, monospace; }
.image-actions { display: flex; gap: 0.45rem; }

/* Single image (icon) */
.single-image-area { margin-top: 0.85rem; }

.single-image-card {
  display: inline-flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 280px;
}

.single-image-card img { width: 100%; max-width: 280px; max-height: 200px; object-fit: contain; display: block; background: #0a0d14; }
.single-image-footer { padding: 0.65rem 0.85rem; display: flex; flex-direction: column; gap: 0.45rem; }
.single-image-empty { display: flex; align-items: center; gap: 0.65rem; padding: 0.75rem 0; color: var(--muted); font-size: 0.85rem; }

/* Video list */
.video-list { display: flex; flex-direction: column; gap: 0.85rem; margin-top: 0.85rem; }

.video-item {
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.15s;
}

.video-item:hover { border-color: rgba(124, 108, 240, 0.25); }

.video-item-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.video-item-name {
  flex: 1;
  font-size: 0.78rem;
  font-family: ui-monospace, monospace;
  color: var(--text);
  word-break: break-all;
}

.video-title-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  padding: 0.85rem;
}

.video-title-fields .field-group { margin: 0; }

/* Video upload progress */
.video-upload-progress {
  margin-top: 0.75rem;
  padding: 0.75rem 0.85rem;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.video-upload-progress.hidden { display: none; }

.video-upload-progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  color: var(--text);
}

#video-upload-progress-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#video-upload-progress-pct {
  flex-shrink: 0;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.video-upload-progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
  overflow: hidden;
}

.video-upload-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), #a78bfa);
  border-radius: 999px;
  transition: width 0.15s ease;
}

/* Video preview */
.vid-preview-area {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: #000;
}

.vid-preview-area video {
  width: 100%;
  max-height: 260px;
  border-radius: 8px;
  display: block;
  background: #000;
}

/* File list (shared) */
.file-list { display: flex; flex-direction: column; gap: 0.55rem; margin-top: 0.85rem; }

.file-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.65rem 0.85rem;
}

.file-item-num { font-size: 0.72rem; font-weight: 700; color: var(--muted); width: 24px; flex-shrink: 0; }
.file-item-name { flex: 1; font-size: 0.78rem; font-family: ui-monospace, monospace; color: var(--text); word-break: break-all; }
.file-item-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }

.panel-footer { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }

/* Buttons */
.btn {
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.1rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

.btn-primary { background: var(--accent-gradient); color: #fff; box-shadow: 0 4px 16px rgba(124, 108, 240, 0.35); }
.btn-primary:hover:not(:disabled) { filter: brightness(1.08); }

.btn-accent { background: rgba(124, 108, 240, 0.15); color: #c4b8ff; border: 1px solid rgba(124, 108, 240, 0.35); }
.btn-accent:hover { background: rgba(124, 108, 240, 0.25); }

.btn-secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: rgba(124, 108, 240, 0.4); }

.btn-danger-outline { background: transparent; color: var(--danger); border: 1px solid rgba(251, 113, 133, 0.35); }
.btn-danger-outline:hover { background: rgba(251, 113, 133, 0.1); }

.btn-danger { background: rgba(251, 113, 133, 0.15); color: var(--danger); border: none; }

.btn-restore {
  padding: 0.25rem 0.55rem;
  font-size: 0.68rem;
  background: rgba(94, 184, 255, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(94, 184, 255, 0.25);
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
}

.btn-restore:hover { background: rgba(94, 184, 255, 0.22); }

.btn-sm { padding: 0.38rem 0.7rem; font-size: 0.78rem; }

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.btn-block { width: 100%; display: flex; align-items: center; justify-content: center; gap: 0.35rem; }
.upload-label { cursor: pointer; display: inline-block; }
.upload-label.disabled { opacity: 0.5; pointer-events: none; cursor: not-allowed; }

/* Rich Text Editor */
.rich-editor-container {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-solid);
  overflow: hidden;
  transition: border-color 0.15s, box-shadow 0.15s;
  margin-top: 0.25rem;
}

.rich-editor-container:focus-within {
  border-color: rgba(124, 108, 240, 0.5);
  box-shadow: 0 0 0 4px rgba(124, 108, 240, 0.12);
}

.rich-editor-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.rich-editor-btn {
  background: transparent;
  border: none;
  color: var(--text);
  padding: 0;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font);
  font-size: 0.95rem;
  width: 30px;
  height: 30px;
  transition: background 0.12s, color 0.12s;
}

.rich-editor-btn:hover { background: rgba(255, 255, 255, 0.08); }
.rich-editor-btn.active { background: rgba(124, 108, 240, 0.2); color: #c4b8ff; box-shadow: inset 0 0 0 1px rgba(124, 108, 240, 0.35); }

.rich-editor-body {
  width: 100%;
  padding: 0.75rem 1rem;
  min-height: 150px;
  max-height: 400px;
  overflow-y: auto;
  color: var(--text);
  font: inherit;
  font-size: 0.94rem;
  line-height: 1.65;
  outline: none;
  background: transparent;
  word-break: break-word;
}

.rich-editor-body:empty::before {
  content: attr(placeholder);
  color: var(--muted);
  opacity: 0.65;
  pointer-events: none;
  display: inline-block;
}

.field-group.gujarati .rich-editor-body { font-family: var(--font-gu); }

@media (max-width: 960px) {
  .app { grid-template-columns: 1fr; }
  .nav-tree { max-height: 24vh; }
  .field-grid { grid-template-columns: 1fr; }
  .video-title-fields { grid-template-columns: 1fr; }
}