/* ============================================================
   Über Effect — CSS
   Dark AE-inspired theme
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Colors */
  --bg-root:          #161616;
  --bg-panel:         #242424;
  --bg-panel-header:  #2c2c2c;
  --bg-item:          #2a2a2a;
  --bg-hover:         #333333;
  --bg-selected:      #0d4f82;
  --bg-input:         #1a1a1a;
  --bg-viewport:      #1a1a1a;

  --border:           #3a3a3a;
  --border-light:     #4a4a4a;

  --text:             #d0d0d0;
  --text-dim:         #777;
  --text-faint:       #444;
  --text-accent:      #5b9bd5;

  --accent:           #e8a000;
  --accent-hover:     #ffc233;
  --accent-dim:       rgba(232, 160, 0, 0.25);

  --danger:           #e05252;

  --kf-color:         #e8c200;
  --layer-bar:        #2e6e9e;

  /* Sizes */
  --toolbar-h:        40px;
  --timeline-h:       210px;
  --layers-w:         220px;
  --props-w:          272px;
  --panel-header-h:   26px;
  --tl-left-w:        220px;
  --track-h:          26px;
  --ruler-h:          22px;

  /* Type */
  --font:    -apple-system, 'Segoe UI', system-ui, sans-serif;
  --mono:    'SF Mono', 'Consolas', 'Courier New', monospace;
}

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg-root);
  color: var(--text);
  font-family: var(--font);
  font-size: 12px;
  line-height: 1;
  user-select: none;
  -webkit-font-smoothing: antialiased;
}

#app {
  display: grid;
  grid-template-rows: var(--toolbar-h) 1fr 0px 5px var(--timeline-h);
  height: 100vh;
  overflow: hidden;
}
#app.graph-open {
  grid-template-rows: var(--toolbar-h) 1fr 180px 5px var(--timeline-h);
}


/* ============================================================
   TOOLBAR
   ============================================================ */

#toolbar {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  padding: 0 10px;
  height: var(--toolbar-h);
  flex-shrink: 0;
}

.toolbar-section {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 12px;
  border-right: 1px solid var(--border);
  height: 100%;
}

.toolbar-section:first-child { padding-left: 0; }
.toolbar-section:last-child  { border-right: none; }

.toolbar-brand .brand-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

/* Tool buttons */
.tool-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 4px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.1s;
}
.tool-btn:hover  { background: var(--bg-hover); color: var(--text); border-color: var(--border); }
.tool-btn.active { background: var(--bg-selected); color: #fff; border-color: var(--text-accent); }
.tool-btn svg    { width: 14px; height: 14px; pointer-events: none; }

/* Shape tool group + dropdown */
.tool-btn-group {
  position: relative;
  display: flex;
  align-items: stretch;
}
.tool-btn-group .tool-btn {
  border-radius: 4px 0 0 4px;
  width: 26px;
}
.shape-arrow-btn {
  background: transparent;
  border: 1px solid transparent;
  border-left: none;
  border-radius: 0 4px 4px 0;
  color: var(--text-faint);
  cursor: pointer;
  padding: 0 3px;
  font-size: 8px;
  display: flex;
  align-items: center;
  transition: all 0.1s;
}
.shape-arrow-btn:hover { background: var(--bg-hover); color: var(--text); border-color: var(--border); }
.tool-btn-group:has(.tool-btn.active) .shape-arrow-btn { border-color: var(--text-accent); }

.shape-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 5px;
  z-index: 200;
  padding: 3px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 120px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.5);
}
.shape-dd-item {
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 7px;
  border-radius: 3px;
  font-size: 11px;
  text-align: left;
  white-space: nowrap;
}
.shape-dd-item:hover { background: var(--bg-hover); }
.shape-dd-item svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Playback buttons */
.toolbar-playback button {
  width: 26px;
  height: 26px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 11px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.toolbar-playback button:hover { background: var(--bg-hover); color: var(--text); }
#btn-play-pause { color: var(--text) !important; font-size: 13px; }

/* Time display */
.toolbar-time { gap: 3px; }
.time-code {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text);
  background: var(--bg-input);
  padding: 3px 7px;
  border-radius: 3px;
  border: 1px solid var(--border);
  letter-spacing: 0.05em;
}
.time-code.dim { color: var(--text-dim); }
.time-sep { color: var(--text-faint); font-size: 11px; }

.comp-label { font-weight: 600; color: var(--text); font-size: 11px; }
.comp-size  { color: var(--text-dim); font-size: 10px; margin-left: 4px; }

/* History / File / Import / Export toolbar buttons */
.toolbar-history button,
.toolbar-file button,
.toolbar-import button,
.toolbar-export button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  padding: 3px 9px;
  border-radius: 3px;
  font-size: 11px;
  height: 24px;
  white-space: nowrap;
}
.toolbar-history button:hover,
.toolbar-file button:hover,
.toolbar-import button:hover { background: var(--bg-hover); color: var(--text); }
.toolbar-history button:disabled { opacity: 0.3; cursor: default; }
.btn-accent {
  background: var(--accent-dim) !important;
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}
.btn-accent:hover { background: rgba(232,160,0,0.35) !important; }
.btn-accent-alt {
  background: rgba(91,155,213,0.15) !important;
  border-color: #5b9bd5 !important;
  color: #5b9bd5 !important;
}
.btn-accent-alt:hover { background: rgba(91,155,213,0.30) !important; }

/* Export dropdown */
.export-dd-wrap {
  position: relative;
}
.export-dd-toggle {
  white-space: nowrap;
}
.export-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 5px;
  z-index: 200;
  padding: 3px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 160px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.5);
}
.export-dd-item {
  background: transparent;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 3px;
  font-size: 11px;
  text-align: left;
  white-space: nowrap;
}
.export-dd-item:hover { background: var(--bg-hover); }
.export-dd-primary { color: var(--accent) !important; font-weight: 600; }
.export-dd-sep { height: 1px; background: var(--border); margin: 2px 4px; }


/* ============================================================
   WORKSPACE
   ============================================================ */

#workspace {
  display: grid;
  grid-template-columns: var(--layers-w) 5px 1fr 5px var(--props-w);
  overflow: hidden;
  min-height: 0;
}

/* ---- Panel header ---- */
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--panel-header-h);
  padding: 0 8px;
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-shrink: 0;
}
.panel-header button {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 17px;
  width: 20px;
  height: 20px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.panel-header button:hover { background: var(--bg-hover); color: var(--text); }


/* ============================================================
   LAYERS PANEL
   ============================================================ */

#layers-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  overflow: hidden;
}

#layers-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.no-layers-msg {
  padding: 20px 12px;
  color: var(--text-faint);
  text-align: center;
  font-size: 11px;
  line-height: 1.7;
}

.layer-item {
  display: flex;
  align-items: center;
  height: var(--track-h);
  padding: 0 5px;
  gap: 4px;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  position: relative;
}
.layer-item:hover   { background: var(--bg-hover); }
.layer-item.selected { background: var(--bg-selected); }

.layer-color-swatch {
  width: 3px;
  height: 18px;
  border-radius: 2px;
  flex-shrink: 0;
}

.layer-vis {
  font-size: 10px;
  cursor: pointer;
  width: 15px;
  text-align: center;
  color: var(--text-dim);
  flex-shrink: 0;
  opacity: 1;
}
.layer-vis.hidden { opacity: 0.25; }

.layer-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text);
}
.layer-item.selected .layer-name { color: #fff; }

.layer-del {
  opacity: 0;
  background: transparent;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 15px;
  width: 16px;
  height: 16px;
  border-radius: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  line-height: 1;
}
.layer-item:hover .layer-del { opacity: 1; }
.layer-del:hover { color: var(--danger); background: rgba(224, 82, 82, 0.12); }

/* Pickwhip */
.layer-pickwhip {
  opacity: 0;
  cursor: crosshair;
  font-size: 13px;
  padding: 0 2px;
  flex-shrink: 0;
  user-select: none;
  transition: opacity 0.1s;
  color: var(--text-faint);
}
.layer-item:hover .layer-pickwhip { opacity: 0.5; }
.layer-pickwhip:hover { opacity: 1 !important; color: var(--text-accent); }
body.pickwhip-dragging * { cursor: crosshair !important; }
.layer-item.pickwhip-target { outline: 1px solid var(--text-accent); background: rgba(91,155,213,0.12); }
#pickwhip-line {
  position: fixed;
  height: 2px;
  background: var(--text-accent);
  transform-origin: left center;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.7;
  border-radius: 1px;
}

/* Layer drag-over in timeline */
.tl-layer-header.drag-over { background: rgba(91,155,213,0.18); outline: 1px solid var(--text-accent); }
.tl-layer-header.dragging  { opacity: 0.4; }


/* ============================================================
   VIEWPORT
   ============================================================ */

#viewport-container {
  display: flex;
  flex-direction: column;
  background: var(--bg-viewport);
  overflow: hidden;
  min-width: 0;
}

#viewport-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--panel-header-h);
  padding: 0 8px;
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
}

.zoom-row {
  display: flex;
  align-items: center;
  gap: 4px;
}
.zoom-row button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  width: 20px;
  height: 18px;
  border-radius: 2px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zoom-row button:hover { background: var(--bg-hover); color: var(--text); }
#zoom-level {
  font-family: var(--mono);
  font-size: 10px;
  min-width: 36px;
  text-align: center;
  color: var(--text);
}

#viewport {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  /* Checkered background to show transparency */
  background-color: #1c1c1c;
  background-image:
    linear-gradient(45deg, #252525 25%, transparent 25%),
    linear-gradient(-45deg, #252525 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #252525 75%),
    linear-gradient(-45deg, transparent 75%, #252525 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  cursor: default;
}
#viewport[data-tool="rect"],
#viewport[data-tool="ellipse"] { cursor: crosshair; }

#viewport-canvas-wrapper {
  position: relative;
  box-shadow: 0 0 0 1px #000, 0 8px 32px rgba(0,0,0,0.6);
  flex-shrink: 0;
}
#viewport-canvas-wrapper.comp-transparent {
  background: repeating-conic-gradient(#3a3a3a 0% 25%, #252525 0% 50%) 0 0 / 16px 16px;
}

#composition-svg {
  display: block;
}

/* Selection visuals */
.sel-box {
  fill: none;
  stroke: #1e90ff;
  stroke-width: 1;
  stroke-dasharray: 5 3;
  pointer-events: none;
}
/* ============================================================
   PROPERTIES PANEL
   ============================================================ */

#properties-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border-left: 1px solid var(--border);
  overflow: hidden;
}

#properties-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

#properties-content::-webkit-scrollbar { width: 4px; }
#properties-content::-webkit-scrollbar-track { background: transparent; }
#properties-content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

#no-selection-msg {
  padding: 24px 12px;
  color: var(--text-faint);
  text-align: center;
  font-size: 11px;
}

/* Section */
.prop-section {
  border-bottom: 1px solid var(--border);
}
.prop-section-header {
  padding: 5px 8px;
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-dim);
  cursor: default;
}

/* Row */
.prop-row {
  display: flex;
  align-items: center;
  height: 26px;
  padding: 0 6px;
  gap: 5px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}
.prop-row:hover { background: rgba(255,255,255,0.025); }

.prop-stopwatch {
  width: 13px;
  height: 13px;
  font-size: 11px;
  color: var(--text-faint);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color 0.1s;
}
.prop-stopwatch:hover:not(.inactive) { color: var(--text-dim); }
.prop-stopwatch.active { color: var(--kf-color) !important; }
.prop-stopwatch.inactive { opacity: 0.2; cursor: default; pointer-events: none; }

.prop-label {
  font-size: 11px;
  color: var(--text-dim);
  width: 56px;
  flex-shrink: 0;
  white-space: nowrap;
}

.prop-values {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: 1;
}

.axis-label {
  font-size: 9px;
  color: var(--text-faint);
  font-family: var(--mono);
  width: 8px;
  text-align: right;
}

.prop-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 4px;
  width: 56px;
  border-radius: 2px;
  text-align: right;
  -moz-appearance: textfield;
}
.prop-input.full-width { width: 80px; }
.prop-input:focus { outline: none; border-color: var(--text-accent); background: #141a22; }
.prop-input::-webkit-inner-spin-button,
.prop-input::-webkit-outer-spin-button { display: none; }

.prop-unit {
  font-size: 10px;
  color: var(--text-faint);
  flex-shrink: 0;
}

.prop-color {
  width: 38px;
  height: 20px;
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  padding: 1px;
  background: none;
}

.prop-toggle-label {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 10px;
  color: var(--text-faint);
  cursor: pointer;
}
.prop-toggle-label input { cursor: pointer; }

/* ---- Resize handles ---- */

.rh-v {
  cursor: col-resize;
  background: var(--border);
  transition: background 0.15s;
  z-index: 10;
}
.rh-v:hover, .rh-v.rh-dragging { background: var(--text-accent); }

.rh-h {
  cursor: row-resize;
  background: var(--border);
  transition: background 0.15s;
  z-index: 10;
}
.rh-h:hover, .rh-h.rh-dragging { background: var(--text-accent); }


/* ---- Interactions panel ---- */

.ix-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ix-add-btn {
  background: var(--bg-item);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 2px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 10px;
}
.ix-add-btn:hover { background: var(--bg-hover); color: var(--text); }

.ix-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.ix-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 3px 4px;
  border-radius: 3px;
  font-size: 11px;
  flex: 1;
  min-width: 0;
}

.ix-del-btn {
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
}
.ix-del-btn:hover { color: #e05a3a; }

/* ---- Effects panel ---- */

.fx-row {
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.fx-header {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 8px;
  cursor: pointer;
}
.fx-header:hover { background: rgba(255,255,255,0.025); }

.fx-toggle {
  width: 12px; height: 12px;
  cursor: pointer;
  accent-color: var(--text-accent);
  flex-shrink: 0;
}

.fx-label {
  font-size: 11px;
  color: var(--text-dim);
  flex: 1;
}

.fx-body {
  padding: 4px 8px 6px 24px;
  background: rgba(0,0,0,0.15);
}

.fx-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 3px;
}

.fx-mini-label {
  font-size: 9px;
  color: var(--text-faint);
  font-family: var(--mono);
  flex-shrink: 0;
}

.fx-num      { width: 40px !important; }
.fx-num-wide { width: 56px !important; }


/* ============================================================
   TIMELINE
   ============================================================ */

#timeline-panel {
  display: grid;
  grid-template-columns: var(--tl-left-w) 1fr;
  background: var(--bg-panel);
  border-top: 2px solid var(--border);
  overflow: hidden;
  min-height: 0;
}

/* Left column */
#tl-left {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

#tl-ruler-corner {
  height: var(--ruler-h);
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  padding: 0 8px;
  font-size: 10px;
  color: var(--text-faint);
}

#tl-layer-headers {
  flex: 1;
  overflow: hidden;
}

.tl-layer-header {
  height: var(--track-h);
  display: flex;
  align-items: center;
  padding: 0 6px;
  gap: 5px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  cursor: pointer;
  color: var(--text-dim);
  font-size: 11px;
}
.tl-layer-header:hover   { background: var(--bg-hover); }
.tl-layer-header.selected { background: rgba(13, 79, 130, 0.4); color: var(--text); }

.tl-layer-dot {
  width: 3px;
  height: 14px;
  border-radius: 2px;
  flex-shrink: 0;
}
.tl-layer-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

/* Expand toggle arrow */
.tl-expand-btn {
  font-size: 8px;
  color: var(--text-dim);
  cursor: pointer;
  width: 12px;
  flex-shrink: 0;
  user-select: none;
}
.tl-expand-btn:hover { color: var(--text); }

/* Property sub-rows (left + right) */
.tl-prop-header {
  height: var(--track-h);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px 0 22px;
  border-bottom: 1px solid rgba(255,255,255,0.02);
  background: rgba(0,0,0,0.2);
  color: var(--text-faint);
  font-size: 10px;
  font-style: italic;
}
.tl-prop-header.tl-prop-focused {
  background: rgba(91,155,213,0.12);
  color: var(--text);
}
.tl-prop-header.tl-prop-focused .tl-prop-sw { color: var(--text-accent); }

.tl-prop-sw {
  font-style: normal;
  font-size: 12px;
  cursor: pointer;
  opacity: 0.5;
  flex-shrink: 0;
  line-height: 1;
  transition: opacity .1s, filter .1s;
  user-select: none;
}
.tl-prop-sw:hover  { opacity: 0.85; }
.tl-prop-sw.active { opacity: 1; filter: drop-shadow(0 0 4px #5b9bd5); color: #5b9bd5; }

.tl-prop-track {
  height: var(--track-h);
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.02);
  background: rgba(0,0,0,0.15);
  min-width: 0;
}
.tl-prop-track.selected { background: rgba(13,79,130,0.12); }

/* Right column: scrollable */
#tl-right {
  overflow-x: auto;
  overflow-y: hidden;
  position: relative;
}

#tl-inner {
  position: relative;
  height: 100%;
  min-width: 100%;
}

/* Work area indicator in ruler */
.tl-work-area {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(91, 155, 213, 0.18);
  border-left:  2px solid rgba(91, 155, 213, 0.7);
  border-right: 2px solid rgba(91, 155, 213, 0.7);
  pointer-events: none;
  z-index: 0;
}

/* Ruler */
#tl-ruler {
  height: var(--ruler-h);
  background: var(--bg-panel-header);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  user-select: none;
  cursor: ew-resize;
}

.ruler-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  align-items: flex-end;
  padding-bottom: 3px;
  padding-left: 3px;
}
.ruler-tick-line {
  position: absolute;
  top: 0;
  width: 1px;
  background: var(--border);
}
.ruler-tick.major .ruler-tick-line { background: var(--border-light); height: 10px; }
.ruler-tick.minor .ruler-tick-line { background: var(--border); height: 5px; }
.ruler-label {
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-faint);
  position: absolute;
  top: 2px;
  left: 3px;
  white-space: nowrap;
}

/* Tracks */
#tl-tracks {
  position: relative;
  overflow: hidden;
}

.tl-track-row {
  height: var(--track-h);
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  background: var(--bg-item);
  cursor: pointer;
}
.tl-track-row:nth-child(even) { background: rgba(0,0,0,0.1); }
.tl-track-row.selected { background: rgba(13, 79, 130, 0.2); }

.tl-layer-bar {
  position: absolute;
  height: 16px;
  top: 5px;
  border-radius: 2px;
  opacity: 0.75;
  cursor: grab;
  pointer-events: none;
}

.tl-trim {
  position: absolute;
  top: 0; bottom: 0;
  width: 8px;
  pointer-events: auto;
  cursor: ew-resize;
  border-radius: 2px;
  background: rgba(255,255,255,0.15);
  transition: background 0.1s;
}
.tl-trim:hover   { background: rgba(255,255,255,0.45); }
.tl-trim.dragging { background: rgba(255,255,255,0.65); cursor: ew-resize; }
.tl-trim-l { left:  0; border-radius: 2px 0 0 2px; }
.tl-trim-r { right: 0; border-radius: 0 2px 2px 0; }

.tl-kf {
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--kf-color);
  transform: rotate(45deg);
  top: 50%;
  margin-top: -4px;
  margin-left: -4px;
  cursor: grab;
  z-index: 3;
  border: 1px solid rgba(0,0,0,0.3);
  transition: transform 0.1s;
}
.tl-kf:active { cursor: grabbing; }
.tl-kf:hover {
  background: var(--accent-hover);
  transform: rotate(45deg) scale(1.3);
}
.tl-kf.kf-selected {
  background: #4db8ff !important;
  box-shadow: 0 0 0 2px rgba(77, 184, 255, 0.35);
  transform: rotate(45deg) scale(1.25);
}
.tl-kf.kf-selected:hover {
  transform: rotate(45deg) scale(1.45);
}

/* Timeline marquee selection rect */
.tl-marquee {
  position: absolute;
  background: rgba(77, 155, 220, 0.08);
  border: 1px dashed rgba(91, 168, 255, 0.7);
  pointer-events: none;
  z-index: 20;
}

/* Viewport marquee (SVG rect) */
.marquee-rect {
  fill: none;
  stroke: rgba(91, 168, 255, 0.85);
  stroke-width: 1;
  stroke-dasharray: 5 3;
}

/* Playhead */
#tl-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  pointer-events: none;
  z-index: 10;
}

#tl-playhead-head {
  position: absolute;
  top: 3px;
  left: 0;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  background: var(--accent);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  cursor: ew-resize;
  pointer-events: all;
}

#tl-playhead-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-50%);
  width: 1px;
  background: var(--accent);
  pointer-events: none;
}


/* ============================================================
   CONTEXT MENU
   ============================================================ */

#context-menu {
  display: none;
  position: fixed;
  background: var(--bg-panel-header);
  border: 1px solid var(--border-light);
  border-radius: 5px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  z-index: 9999;
  min-width: 160px;
  padding: 4px 0;
}

.ctx-item {
  padding: 7px 14px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text);
}
.ctx-item:hover { background: var(--bg-selected); }
.ctx-item.danger { color: var(--danger); }
.ctx-item.danger:hover { background: rgba(224, 82, 82, 0.2); }
.ctx-sep {
  height: 1px;
  background: var(--border);
  margin: 3px 0;
}


/* ============================================================
   EASING PICKER
   ============================================================ */

#easing-picker {
  display: none;
  position: fixed;
  background: var(--bg-panel-header);
  border: 1px solid var(--border-light);
  border-radius: 5px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.55);
  z-index: 9999;
  min-width: 170px;
  padding: 4px 0;
}

.easing-header {
  padding: 4px 12px 5px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  border-bottom: 1px solid var(--border);
  margin-bottom: 2px;
}

.easing-opt {
  padding: 6px 12px;
  cursor: pointer;
  font-size: 11px;
  color: var(--text);
}
.easing-opt:hover  { background: var(--bg-selected); }
.easing-opt.active { color: var(--kf-color); font-weight: 600; }

.easing-sep {
  height: 1px;
  background: var(--border);
  margin: 3px 0;
}


/* ============================================================
   TOOLBAR — FILL / STROKE COLOR SWATCHES
   ============================================================ */

.toolbar-colors {
  gap: 6px;
}

.tb-color-item {
  display: flex;
  align-items: center;
  gap: 3px;
}

.tb-color-label {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-faint);
  width: 8px;
  flex-shrink: 0;
  text-align: center;
}

.tb-color-swatch {
  width: 20px;
  height: 20px;
  border: 1px solid var(--border-light);
  border-radius: 3px;
  padding: 1px;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}
.tb-color-swatch::-webkit-color-swatch-wrapper { padding: 0; }
.tb-color-swatch::-webkit-color-swatch         { border: none; border-radius: 2px; }

.tb-hex-input {
  width: 58px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 2px;
  height: 20px;
  text-transform: uppercase;
}
.tb-hex-input:focus {
  outline: none;
  border-color: var(--text-accent);
  color: var(--text);
}

.tb-color-divider {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 2px;
}

/* Hex inputs inside properties panel */
.prop-hex-input {
  width: 58px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 2px;
  height: 20px;
  text-transform: uppercase;
  flex-shrink: 0;
}
.prop-hex-input:focus {
  outline: none;
  border-color: var(--text-accent);
  color: var(--text);
}

/* Smart guides – disabled state */
#btn-smart-guides:not(.active) {
  opacity: 0.4;
}


/* ============================================================
   COMP SETTINGS BUTTON
   ============================================================ */

.btn-comp-settings {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  padding: 3px 9px;
  border-radius: 3px;
  font-size: 11px;
  height: 24px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}
.btn-comp-settings:hover { background: var(--bg-hover); color: var(--text); }


/* ============================================================
   MODAL
   ============================================================ */

#comp-settings-modal,
#ss-modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
}

.modal-dialog {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.7);
  min-width: 320px;
  z-index: 1;
}

.modal-header {
  padding: 11px 16px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel-header);
  border-radius: 6px 6px 0 0;
}

.modal-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

.modal-body {
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.modal-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

.modal-label {
  width: 84px;
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-dim);
}

.modal-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  padding: 4px 7px;
  border-radius: 3px;
  flex: 1;
}
.modal-input:focus { outline: none; border-color: var(--text-accent); background: #141a22; }
.modal-input-sm { flex: none; width: 72px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 10px 16px 12px;
  border-top: 1px solid var(--border);
}

.modal-btn {
  background: var(--bg-item);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  padding: 5px 16px;
  border-radius: 3px;
  font-size: 12px;
}
.modal-btn:hover { background: var(--bg-hover); }
.modal-btn-ok {
  background: var(--bg-selected);
  border-color: var(--text-accent);
  color: #fff;
}
.modal-btn-ok:hover { background: #0f5d99; }

/* ---- Graph editor panel ---- */
#graph-editor-panel {
  overflow: hidden;
  background: #181818;
  border-top: 1px solid var(--border);
  position: relative;
}
#graph-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Toggle button inside tl-ruler-corner */
#tl-ruler-corner {
  display: flex;
  align-items: center;
  justify-content: center;
}
#btn-graph-toggle {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 3px;
  cursor: pointer;
  font-size: 14px;
  width: 22px;
  height: 22px;
  line-height: 1;
  transition: all 0.1s;
}
#btn-graph-toggle:hover  { background: var(--bg-hover); color: var(--text); }
#btn-graph-toggle.active { background: var(--bg-selected); color: #fff; border-color: var(--text-accent); }


/* ---- Sprite sheet progress ---- */
.ss-progress-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.ss-progress-track {
  flex: 1;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  overflow: hidden;
}
.ss-progress-bar {
  height: 100%;
  background: var(--text-accent);
  border-radius: 3px;
  transition: width 0.1s linear;
}
.ss-progress-text {
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  min-width: 48px;
  text-align: right;
}


/* ============================================================
   TEXT INPUT OVERLAY
   ============================================================ */

.text-input-field {
  background: transparent;
  border: none;
  border-bottom: 1px dashed rgba(91, 155, 213, 0.6);
  color: #fff;
  font-family: sans-serif;
  resize: none;
  outline: none;
  padding: 2px 4px;
  min-width: 80px;
  line-height: 1.2;
  caret-color: var(--accent);
  white-space: pre;
  overflow: hidden;
}


/* ============================================================
   LAYER DRAG REORDER
   ============================================================ */

.layer-item.dragging   { opacity: 0.4; }
.layer-item.drag-over  { border-top: 2px solid var(--text-accent); }

/* Group layer styles */
.layer-item.layer-group { background: rgba(255,255,255,0.03); }
.layer-item.layer-group .layer-name { color: #b0c8e8; font-weight: 500; }
.layer-item.layer-group.selected .layer-name { color: #fff; }
.layer-expand-btn {
  font-size: 9px;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0 3px;
  flex-shrink: 0;
}
.layer-expand-btn:hover { color: var(--text); }
.layer-child { padding-left: 14px; background: rgba(0,0,0,0.15); }
.layer-child-indent { width: 12px; flex-shrink: 0; }

/* Null layer styles */
.layer-item.layer-null .layer-name { color: #e8c200; font-style: italic; }
.layer-item.layer-null.selected .layer-name { color: #ffe566; }
.tl-layer-header.tl-null-row .tl-layer-name { color: #e8c200; font-style: italic; }

/* Timeline group/child rows */
.tl-layer-header.tl-group-row { background: rgba(255,255,255,0.03); }
.tl-layer-header.tl-group-row .tl-layer-name { color: #b0c8e8; font-weight: 500; }
.tl-layer-header.tl-child-row { padding-left: 20px; background: rgba(0,0,0,0.15); }
.tl-track-row.tl-child-row { background: rgba(0,0,0,0.1); }


/* ============================================================
   PROPERTIES — TEXT & PATH EXTRAS
   ============================================================ */

.prop-row-tall {
  height: auto;
  min-height: 26px;
  align-items: flex-start;
  padding-top: 5px;
  padding-bottom: 5px;
}

.prop-textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 11px;
  padding: 4px 6px;
  border-radius: 2px;
  resize: vertical;
  flex: 1;
  width: 100%;
  line-height: 1.4;
}
.prop-textarea:focus { outline: none; border-color: var(--text-accent); background: #141a22; }

.prop-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 11px;
  padding: 2px 4px;
  border-radius: 2px;
  flex: 1;
  cursor: pointer;
}
.prop-select:focus { outline: none; border-color: var(--text-accent); }

.style-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  width: 22px;
  height: 20px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.style-btn:hover { background: var(--bg-hover); color: var(--text); }
.style-btn.active { background: var(--bg-selected); color: #fff; border-color: var(--text-accent); }
.italic-btn { font-style: italic; font-weight: normal; }

/* Viewport cursors for new tools */
#viewport[data-tool="pen"]  { cursor: crosshair; }
#viewport[data-tool="text"] { cursor: text; }

/* Rotation handle */
.sel-rot-handle {
  fill: #fff;
  stroke: #4db8ff;
  stroke-width: 1.5;
  cursor: crosshair;
  transition: fill 0.1s;
}
.sel-rot-handle:hover { fill: #4db8ff; }

/* Bigger, easier-to-grab resize handles */
.sel-handle {
  fill: #fff;
  stroke: #1e90ff;
  stroke-width: 1;
}


/* ============================================================
   ANIMATE PRESETS
   ============================================================ */

#presets-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 7px 8px;
}

.preset-btn {
  background: var(--bg-item);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  padding: 5px 4px;
  border-radius: 3px;
  font-size: 10px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all 0.1s;
}
.preset-btn:hover {
  background: rgba(232,160,0,0.12);
  color: var(--accent);
  border-color: var(--accent);
}
.preset-btn:active {
  background: rgba(232,160,0,0.22);
  transform: scale(0.97);
}


/* ============================================================
   ALIGN TOOLS
   ============================================================ */

.align-tools-row {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 7px 8px;
  flex-wrap: wrap;
}

.align-sep {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 2px;
  flex-shrink: 0;
}

.align-tool-btn {
  background: var(--bg-item);
  border: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  width: 26px;
  height: 24px;
  border-radius: 3px;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
  flex-shrink: 0;
}
.align-tool-btn:hover {
  background: var(--bg-hover);
  color: var(--text-accent);
  border-color: var(--text-accent);
}
.align-tool-wide {
  width: 36px;
  font-size: 12px;
}


/* ============================================================
   KEYBOARD SHORTCUTS PANEL
   ============================================================ */

.prop-section-shortcuts {
  margin-top: auto;
}

.shortcuts-header {
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.shortcuts-header:hover { color: var(--text); }

.shortcuts-arrow {
  font-size: 8px;
  color: var(--text-faint);
  transition: transform 0.15s;
}
.shortcuts-header.open .shortcuts-arrow {
  transform: rotate(90deg);
}

.shortcuts-body {
  padding: 4px 8px 8px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.shortcut-group-label {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-faint);
  margin-top: 7px;
  margin-bottom: 2px;
  padding-left: 2px;
}

.shortcut-row {
  display: flex;
  align-items: center;
  gap: 4px;
  min-height: 18px;
  padding: 1px 2px;
}
.shortcut-row span {
  font-size: 10px;
  color: var(--text-dim);
  margin-left: 2px;
}
.shortcut-tip {
  font-size: 10px;
  color: var(--text-faint) !important;
  font-style: italic;
  line-height: 1.4;
}

kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-item);
  border: 1px solid var(--border-light);
  border-bottom-width: 2px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 9px;
  color: var(--text-dim);
  padding: 1px 5px;
  min-width: 20px;
  white-space: nowrap;
  flex-shrink: 0;
}


/* ============================================================
   GRADIENT EDITOR
   ============================================================ */

.fill-type-btns {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.fill-type-btn {
  width: 22px;
  height: 20px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.1s, color 0.1s, border-color 0.1s;
}
.fill-type-btn:hover   { background: var(--bg-hover); color: var(--text); }
.fill-type-btn.active  { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

.gradient-bar-wrap {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  padding: 0 2px;
}

.gradient-bar-preview {
  height: 18px;
  border-radius: 3px 3px 0 0;
  border: 1px solid var(--border);
  border-bottom: none;
  cursor: crosshair;
  background: linear-gradient(90deg, #4a90d9, #ffffff);
}

.gradient-stops-track {
  position: relative;
  height: 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 3px 3px;
}

.gradient-stop-marker {
  position: absolute;
  width: 10px;
  height: 12px;
  transform: translateX(-50%);
  top: 1px;
  border: 1.5px solid rgba(255,255,255,0.7);
  border-radius: 2px;
  cursor: ew-resize;
  box-sizing: border-box;
}
.gradient-stop-marker::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid rgba(255,255,255,0.7);
}
.gradient-stop-marker.selected {
  border-color: #fff;
  box-shadow: 0 0 0 1px var(--accent);
  z-index: 2;
}
.gradient-stop-marker.selected::after {
  border-top-color: var(--accent);
}

.prop-gradient-bar-row .prop-values {
  padding: 4px 0;
}

.prop-stop-del-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 3px;
  cursor: pointer;
  width: 20px;
  height: 20px;
  font-size: 11px;
  padding: 0;
  line-height: 1;
  flex-shrink: 0;
}
.prop-stop-del-btn:hover:not(:disabled)  { color: var(--danger); border-color: var(--danger); }
.prop-stop-del-btn:disabled              { opacity: 0.3; cursor: default; }

/* ============================================================
   SCROLLBARS
   ============================================================ */

::-webkit-scrollbar        { width: 7px; height: 7px; }
::-webkit-scrollbar-track  { background: var(--bg-root); }
::-webkit-scrollbar-thumb  { background: #3c3c3c; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #4c4c4c; }
::-webkit-scrollbar-corner { background: var(--bg-root); }