/* Kalinin Studio — NLE UI */
#panel-kalinin.panel.active {
  margin: 0 calc(-1 * var(--app-pad, 1rem)) calc(-1 * var(--app-pad, 1rem));
  padding: 0;
  min-height: calc(100dvh - 3.5rem - env(safe-area-inset-top, 0px));
}

#panel-kalinin {
  --k-bg: #0a0c10;
  --k-surface: #12151c;
  --k-surface2: #1a1f2a;
  --k-border: #2a3344;
  --k-text: #e8ecf2;
  --k-muted: #7a8496;
  --k-accent: #4da3ff;
  --k-accent-dim: rgba(77, 163, 255, 0.15);
  --k-ok: #3ecf8e;
  --k-warn: #ffb020;
  --k-danger: #ff5c5c;
  --k-playhead: #4da3ff;
  --k-track-h: 52px;
  --k-font-mono: ui-monospace, "SF Mono", Menlo, monospace;
  background: var(--k-bg);
  color: var(--k-text);
  overflow: hidden;
}

#panel-kalinin * { box-sizing: border-box; }

.k-nle {
  display: flex;
  flex-direction: column;
  min-height: calc(100dvh - 3.5rem);
}

.k-header {
  background: var(--k-surface);
  border-bottom: 1px solid var(--k-border);
  flex-shrink: 0;
}

.k-header-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px 6px;
  flex-wrap: wrap;
}

.k-header-meta { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; }
.k-header-time { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.k-title { font-size: 1rem; font-weight: 600; margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.k-subtabs {
  display: flex;
  gap: 0;
  padding: 0 8px;
  border-top: 1px solid var(--k-border);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.k-subtabs::-webkit-scrollbar { display: none; }

.k-subtab {
  flex: 1 0 auto;
  min-width: 5.5rem;
  max-width: 160px;
  border: none;
  background: transparent;
  color: var(--k-muted);
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.k-subtab.active {
  color: var(--k-accent);
  border-bottom-color: var(--k-accent);
  background: var(--k-accent-dim);
}

.k-gen-status {
  background: linear-gradient(90deg, var(--k-accent-dim), transparent);
  border-bottom: 1px solid var(--k-border);
  padding: 8px 12px;
  font-size: 0.85rem;
}

.k-gen-row { display: flex; align-items: center; gap: 8px; }

.k-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--k-border);
  border-top-color: var(--k-accent);
  border-radius: 50%;
  animation: k-spin 0.8s linear infinite;
  flex-shrink: 0;
}

@keyframes k-spin { to { transform: rotate(360deg); } }

.k-tc { font-family: var(--k-font-mono); font-size: 0.95rem; font-variant-numeric: tabular-nums; }
.k-tc-program { color: var(--k-accent); font-size: 1.05rem; }
.k-tc-muted { color: var(--k-muted); font-size: 0.85rem; }
.k-tc-sep { color: var(--k-muted); }

.k-chip {
  font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.06em;
  padding: 2px 8px; border-radius: 999px; background: var(--k-surface2); border: 1px solid var(--k-border);
}
.k-chip-running { border-color: var(--k-accent); animation: k-pulse 1s ease infinite; }
.k-chip-plate { border-color: var(--k-text); }
.k-chip-approved { border-color: var(--k-ok); color: var(--k-ok); }
.k-chip-rejected { border-color: var(--k-danger); color: var(--k-danger); }
.k-chip-queued { border-color: var(--k-warn); }

.k-badge { font-size: 0.7rem; color: var(--k-muted); padding: 2px 6px; border-radius: 4px; background: var(--k-surface2); }
.k-badge-over { color: var(--k-danger); border: 1px solid var(--k-danger); }
.k-dirty-dot { color: var(--k-danger); font-size: 1.2rem; line-height: 1; }

.k-seg { display: inline-flex; border: 1px solid var(--k-border); border-radius: 8px; overflow: hidden; }
.k-seg-sm { font-size: 0.65rem; }
.k-seg-btn {
  border: none; background: transparent; color: var(--k-muted);
  padding: 6px 10px; cursor: pointer; font-size: inherit;
}
.k-seg-btn.active { background: var(--k-accent-dim); color: var(--k-accent); }

.k-btn {
  border: 1px solid var(--k-border); background: var(--k-surface2); color: var(--k-text);
  border-radius: 8px; padding: 10px 16px; cursor: pointer; font-size: 0.875rem;
  min-height: 40px; touch-action: manipulation;
}
.k-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.k-btn-sm { padding: 6px 12px; font-size: 0.8rem; min-height: 32px; }
.k-btn-lg { padding: 14px 24px; font-size: 1rem; }
.k-btn-primary { border-color: var(--k-accent); color: var(--k-accent); background: var(--k-accent-dim); }
.k-btn-ghost { background: transparent; padding: 6px 10px; min-height: 36px; }
.k-btn-icon { font-size: 1.25rem; line-height: 1; width: 36px; padding: 0; }
.k-btn-loading { position: relative; color: transparent !important; }
.k-btn-loading::after {
  content: ''; position: absolute; inset: 0; margin: auto;
  width: 16px; height: 16px; border: 2px solid var(--k-border);
  border-top-color: var(--k-accent); border-radius: 50%;
  animation: k-spin 0.8s linear infinite;
}

.k-empty { text-align: center; padding: 48px 20px; max-width: 420px; margin: 0 auto; }
.k-empty-icon { font-size: 3rem; margin-bottom: 12px; opacity: 0.6; }
.k-empty h1 { font-size: 1.35rem; margin: 0 0 8px; }
.k-empty-lead { color: var(--k-muted); margin-bottom: 16px; line-height: 1.5; }
.k-empty-steps { text-align: left; color: var(--k-muted); font-size: 0.9rem; margin: 0 0 24px; padding-left: 1.2rem; }

.k-toast {
  margin: 0; padding: 10px 12px; border-bottom: 1px solid var(--k-border);
  background: var(--k-surface2); font-size: 0.85rem;
}
.k-toast-error { color: var(--k-danger); background: rgba(255, 92, 92, 0.08); }

.k-montage-pane { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.k-workspace { flex: 1; display: flex; flex-direction: column; min-height: 0; padding: 8px; gap: 8px; }

.k-monitors-row { display: grid; grid-template-columns: 1fr; gap: 8px; min-height: 0; }
@media (min-width: 640px) {
  .k-monitors-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .k-inspector { grid-column: 1 / -1; }
}
@media (min-width: 900px) {
  .k-monitors-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) 280px; }
  .k-inspector { grid-column: auto; }
}

.k-monitor-wrap { display: flex; flex-direction: column; min-width: 0; }
.k-monitor-label {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--k-muted); margin-bottom: 4px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.k-monitor {
  background: #000; border: 1px solid var(--k-border); border-radius: 8px;
  aspect-ratio: 16/9; max-height: 26vh; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.k-monitor-program { border-color: #3a4556; }
.k-monitor img, .k-monitor video { width: 100%; height: 100%; object-fit: contain; }
.k-monitor-placeholder, .k-slug { color: var(--k-muted); font-size: 0.8rem; padding: 12px; text-align: center; line-height: 1.4; }

.k-inspector {
  background: var(--k-surface); border: 1px solid var(--k-border); border-radius: 8px;
  display: flex; flex-direction: column; min-height: 160px; max-height: 42vh; overflow: hidden;
}
@media (min-width: 900px) { .k-inspector { max-height: none; min-height: 0; } }
.k-inspector-head { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border-bottom: 1px solid var(--k-border); flex-shrink: 0; }
.k-inspector-head h2 { font-size: 0.85rem; margin: 0; flex: 1; }
.k-inspector-body { padding: 10px 12px; overflow-y: auto; flex: 1; font-size: 0.85rem; -webkit-overflow-scrolling: touch; }
.k-hint { color: var(--k-muted); margin: 0; }
.k-section-title { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--k-muted); margin: 0 0 8px; }

.k-field { display: block; margin-bottom: 10px; }
.k-field span { display: block; color: var(--k-muted); font-size: 0.75rem; margin-bottom: 4px; }
.k-field input, .k-field textarea, .k-field select {
  width: 100%; background: var(--k-bg); border: 1px solid var(--k-border);
  border-radius: 6px; color: var(--k-text); padding: 10px;
  font-size: max(16px, 0.9rem);
}
.k-field textarea { min-height: 72px; resize: vertical; }
.k-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
@media (max-width: 479px) {
  .k-field-row { grid-template-columns: 1fr; }
}

.k-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.k-actions-primary .k-btn-primary { flex: 1; min-width: 140px; }
.k-gates { font-family: var(--k-font-mono); font-size: 0.75rem; color: var(--k-muted); margin: 8px 0; }

.k-take-stack { border-top: 1px solid var(--k-border); padding: 8px 12px; max-height: 120px; overflow-y: auto; flex-shrink: 0; }
.k-take-stack h3 { font-size: 0.7rem; text-transform: uppercase; color: var(--k-muted); margin: 0 0 6px; }
.k-take-stack ul { list-style: none; margin: 0; padding: 0; }
.k-take-item {
  display: flex; align-items: center; gap: 8px; padding: 8px; border-radius: 6px;
  cursor: pointer; font-size: 0.8rem; border: 1px solid transparent; min-height: 36px;
}
.k-take-item:hover { background: var(--k-surface2); }
.k-take-item.active { border-color: var(--k-accent); background: var(--k-accent-dim); }
.k-take-item.approved { border-left: 3px solid var(--k-ok); }

.k-transport {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  padding: 8px; background: var(--k-surface); border: 1px solid var(--k-border); border-radius: 8px; flex-shrink: 0;
}
.k-transport-btn {
  width: 40px; height: 40px; border: 1px solid var(--k-border); border-radius: 8px;
  background: var(--k-surface2); color: var(--k-text); cursor: pointer; font-size: 0.85rem;
  touch-action: manipulation;
}
.k-transport-play { width: 48px; border-color: var(--k-accent); color: var(--k-accent); }
.k-speed-group { display: flex; gap: 2px; }
.k-speed {
  border: 1px solid var(--k-border); background: transparent; color: var(--k-muted);
  padding: 6px 8px; border-radius: 6px; font-size: 0.7rem; cursor: pointer; min-height: 32px;
}
.k-speed.active { color: var(--k-accent); border-color: var(--k-accent); }
.k-mute-a1 { font-size: 0.75rem; color: var(--k-muted); margin-left: 4px; }
.k-zoom-group { display: flex; align-items: center; gap: 4px; margin-left: auto; font-size: 0.75rem; color: var(--k-muted); }
.k-zoom-group button { width: 32px; height: 32px; border-radius: 6px; border: 1px solid var(--k-border); background: var(--k-surface2); color: var(--k-text); cursor: pointer; }

.k-timeline-shell {
  flex: 1; min-height: 160px; border: 1px solid var(--k-border); border-radius: 8px;
  background: var(--k-surface); overflow: hidden; display: flex; flex-direction: column;
}
.k-timeline-empty {
  padding: 24px; text-align: center; color: var(--k-muted);
  display: flex; flex-direction: column; align-items: center; gap: 12px; justify-content: center; flex: 1;
}
.k-timeline-scroll { flex: 1; overflow: auto; position: relative; -webkit-overflow-scrolling: touch; }
.k-timeline-inner { position: relative; min-height: 100%; padding-left: 36px; }
.k-ruler {
  height: 28px; position: sticky; top: 0; z-index: 5; background: var(--k-surface);
  border-bottom: 1px solid var(--k-border); margin-left: -36px; padding-left: 36px;
}
.k-ruler-tick {
  position: absolute; top: 0; height: 100%; border-left: 1px solid var(--k-border);
  font-size: 0.6rem; color: var(--k-muted); padding: 4px 0 0 4px; font-family: var(--k-font-mono);
}

.k-track-row { display: flex; align-items: stretch; border-bottom: 1px solid var(--k-border); min-height: var(--k-track-h); }
.k-track-tag {
  width: 36px; flex-shrink: 0; font-size: 0.65rem; font-weight: 700; color: var(--k-muted);
  display: flex; align-items: center; justify-content: center; background: var(--k-surface);
  position: sticky; left: 0; z-index: 4; border-right: 1px solid var(--k-border); margin-left: -36px;
}
.k-track { flex: 1; position: relative; min-height: var(--k-track-h); }

.k-clip {
  position: absolute; top: 6px; height: calc(var(--k-track-h) - 12px);
  border-radius: 4px; border: 1px solid var(--k-border); background: var(--k-surface2);
  cursor: pointer; overflow: hidden; font-size: 0.65rem; padding: 4px 6px;
  display: flex; flex-direction: column; justify-content: space-between; min-width: 36px;
  user-select: none; touch-action: manipulation;
}
.k-clip.selected { border-color: var(--k-accent); box-shadow: 0 0 0 2px var(--k-accent); z-index: 2; }
.k-clip-label { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.k-clip-meta { color: var(--k-muted); font-size: 0.6rem; }
.k-clip-engine { position: absolute; top: 2px; right: 4px; font-size: 0.55rem; opacity: 0.8; font-weight: 700; }

.k-clip.status-queued, .k-clip.status-running { border-color: var(--k-accent); animation: k-pulse 1.2s ease infinite; }
.k-clip.status-approved { background: rgba(62, 207, 142, 0.12); border-color: var(--k-ok); }
.k-clip-board { background: #1e2430; border-color: #3d4a5c; }
.k-clip-a1 { background: #1a1a2e; border-color: #4a4a6a; top: 10px; height: calc(var(--k-track-h) - 20px); }

.k-trim-handle { position: absolute; top: 0; bottom: 0; width: 10px; cursor: ew-resize; z-index: 3; }
.k-trim-handle-l { left: 0; background: linear-gradient(90deg, var(--k-accent), transparent); }
.k-trim-handle-r { right: 0; background: linear-gradient(270deg, var(--k-accent), transparent); }

.k-playhead {
  position: absolute; top: 0; bottom: 0; width: 2px; background: var(--k-playhead);
  pointer-events: none; z-index: 10; box-shadow: 0 0 8px var(--k-accent);
}

.k-script-pane { padding: 12px; overflow-y: auto; flex: 1; }
.k-script-cols { display: grid; gap: 12px; }
@media (min-width: 720px) { .k-script-cols { grid-template-columns: 280px 1fr; } }
.k-panel-card { background: var(--k-surface); border: 1px solid var(--k-border); border-radius: 8px; padding: 12px; }
.k-panel-card h2 { font-size: 0.85rem; margin: 0 0 12px; }
.k-panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.k-panel-head h2 { margin: 0; }
.k-panel-grow { min-height: 200px; }
.k-xsheet-list { display: flex; flex-direction: column; gap: 8px; max-height: 50vh; overflow-y: auto; }
.k-xsheet-row {
  display: grid; grid-template-columns: 28px 1fr 72px; gap: 8px; align-items: start;
  padding: 8px; background: var(--k-surface2); border-radius: 8px; border: 1px solid var(--k-border);
}
@media (max-width: 479px) {
  .k-xsheet-row { grid-template-columns: 24px 1fr; }
  .k-xsheet-row .k-field:last-child { grid-column: 1 / -1; }
}
.k-xsheet-idx { color: var(--k-muted); font-size: 0.75rem; padding-top: 8px; }

.k-still-preview { margin: 8px 0; border: 1px solid var(--k-border); border-radius: 6px; overflow: hidden; background: #000; }
.k-still-preview img { width: 100%; max-height: 120px; object-fit: contain; display: block; }
.k-still-empty { color: var(--k-muted); font-size: 0.8rem; padding: 8px; border: 1px dashed var(--k-border); border-radius: 6px; margin: 8px 0; text-align: center; }

.k-ref-section { margin: 10px 0; }
.k-ref-title { font-size: 0.7rem; text-transform: uppercase; color: var(--k-muted); margin: 0 0 6px; }
.k-ref-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: 4px; max-height: 120px; overflow-y: auto; margin-bottom: 6px;
}
.k-ref-thumb {
  border: 2px solid transparent; border-radius: 4px; padding: 0; background: #000;
  cursor: pointer; aspect-ratio: 16/10; overflow: hidden; min-height: 36px;
}
.k-ref-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; pointer-events: none; }
.k-ref-thumb-selected { border-color: var(--k-accent); box-shadow: 0 0 0 1px var(--k-accent); }
.k-ref-actions { display: flex; flex-wrap: wrap; gap: 4px; }
.k-upload-row { margin: 8px 0; }
.k-upload-label { cursor: pointer; display: inline-block; margin: 0; }

.k-hidden { display: none !important; }
.k-loading { opacity: 0.7; pointer-events: none; }
@keyframes k-pulse { 50% { opacity: 0.65; } }

.tab.k-dirty::after { content: ' ●'; color: var(--k-danger); }

@media (max-width: 899px) {
  .k-monitor-wrap.k-monitor-program { order: -1; }
  .k-inspector { max-height: min(42vh, 320px); }
  .k-header-top { padding: 8px 10px 4px; gap: 6px; }
  .k-title { font-size: 0.92rem; max-width: 100%; }
  .k-transport { justify-content: center; }
  .k-zoom-group { margin-left: 0; width: 100%; justify-content: center; }
  .k-timeline-shell { min-height: 140px; }
  .k-monitor { max-height: 32vh; }
  .k-empty { padding: 32px 16px; }
  .k-actions-primary .k-btn-primary { min-width: 0; width: 100%; }
}