/* AE1 - workspace: areas, panes, dividers.
 * Tokens only. No literal colours (see theme.css).
 */

#workspace {
  position: relative;
  height: 100%;
  overflow: hidden;
  background: var(--bg-0);
}

/* Splits ------------------------------------------------------------------ */

.split {
  display: flex;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
}

.split[data-dir='row'] { flex-direction: row; }
.split[data-dir='col'] { flex-direction: column; }

/* Panes ------------------------------------------------------------------- */

.pane {
  display: flex;
  flex-direction: column;
  min-width: 0;   /* without these a flex child refuses to shrink below its */
  min-height: 0;  /* content, and dragging a divider silently does nothing  */
  overflow: hidden;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

/* A pane mounted directly under #workspace has no flex parent to size it, so it
 * falls back to height:auto -- and .pane-body's `flex: 1 1 0` then resolves a 0
 * basis against nothing and collapses to zero height. Happens in exactly two
 * cases: a maximized pane, and a layout closed down to a single root leaf.
 * Sizing it explicitly covers both. */
#workspace > .pane {
  width: 100%;
  height: 100%;
}

.pane-head {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  flex: 0 0 24px;
  padding: 0 var(--sp-2);
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
}

.pane-head-spacer { flex: 1; }

.pane-select {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: var(--fs-sm);
  padding: 1px var(--sp-2) 1px var(--sp-1);
  cursor: pointer;
  max-width: 150px;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.pane-select:hover {
  background: var(--bg-3);
  color: var(--text-0);
}

.pane-btn {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: var(--fs-sm);
  line-height: 1;
  cursor: pointer;
  /* Pane controls are chrome. They stay quiet until the pane is under the
   * pointer, so a six-pane workspace isn't a wall of buttons. */
  opacity: 0;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              opacity var(--t-fast) var(--ease);
}

.pane:hover .pane-btn { opacity: 1; }

.pane-btn:hover {
  background: var(--bg-4);
  color: var(--text-0);
}

.pane-btn:focus-visible { opacity: 1; }

.pane-body {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 0;
  overflow: auto;
}

/* Dividers ---------------------------------------------------------------- */

.divider {
  flex: 0 0 4px;
  position: relative;
  background: var(--bg-0);
  transition: background var(--t-fast) var(--ease);
}

.divider[data-dir='row'] { cursor: col-resize; }
.divider[data-dir='col'] { cursor: row-resize; }

.divider:hover,
.divider[data-dragging='true'] {
  background: var(--accent);
}

/* A 4px target is correct visually and far too small to hit reliably, so the
 * hit area is widened invisibly past the visual edge. This is the difference
 * between dividers that feel precise and dividers that feel broken. */
.divider::after {
  content: '';
  position: absolute;
  inset: -3px;
}

/* While dragging, the cursor must not flicker as it crosses panes, and text
 * must not select underneath. */
body[data-dragging] * {
  user-select: none !important;
}
body[data-dragging='row'] * { cursor: col-resize !important; }
body[data-dragging='col'] * { cursor: row-resize !important; }

/* Viewport ---------------------------------------------------------------- */

.viewport-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.pane-body:has(.viewport-canvas) { overflow: hidden; }

/* 3D viewport overlay — status text floating over the three.js canvas. */
.v3d-overlay {
  position: absolute;
  left: var(--sp-3);
  bottom: var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  pointer-events: none;
}

.v3d-msg {
  padding: 2px var(--sp-2);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: var(--fs-xs);
}

.v3d-msg--info { color: var(--text-1); }
.v3d-msg--err { color: var(--danger); border-color: var(--danger); }

/* Video transport.
 *
 * Floats over the canvas rather than sitting in the pane toolbar: it belongs to
 * the video you are looking at, and it appears only while one is selected. The
 * pane-body it sits in is `position: relative`. */
.pane-body:has(.viewport-canvas) { position: relative; }

.vt {
  position: absolute;
  left: 50%;
  bottom: var(--sp-3);
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  width: min(560px, calc(100% - var(--sp-6)));
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.vt[hidden] { display: none; }

.vt-btn {
  flex: none;
  min-width: 28px;
  padding: 2px var(--sp-2);
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-0);
  font-size: var(--fs-sm);
  cursor: pointer;
}

.vt-btn:hover { border-color: var(--accent); }
.vt-btn--wide { white-space: nowrap; }

.vt-scrub {
  flex: 1 1 auto;
  min-width: 0;
  accent-color: var(--accent);
  cursor: pointer;
}

.vt-time {
  flex: none;
  min-width: 74px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-2);
}

/* Pane toolbar / shared ---------------------------------------------------- */

.pane-toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-1) var(--sp-2);
  border-bottom: 1px solid var(--line-soft);
  position: sticky;
  top: 0;
  background: var(--bg-2);
  z-index: 1;
}

/* The substring filter (Outliner, Media Collection): display-only — it hides
   non-matching rows/tiles, it never touches selection or the scene. */
.pane-search {
  width: 90px;
  min-width: 60px;
  padding: 2px 6px;
  font: inherit;
  font-size: 11px;
  color: var(--fg-1);
  background: var(--bg-1);
  border: 1px solid var(--line-soft);
  border-radius: 4px;
  outline: none;
}
.pane-search:focus {
  border-color: var(--line-strong, var(--line-soft));
}

.pane-count {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-2);
  padding-right: var(--sp-2);
}

.pane-empty {
  padding: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: 1.6;
}

/* Outliner ---------------------------------------------------------------- */

.outliner {
  padding: var(--sp-1) 0;
}

.outliner-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  height: 22px;
  padding-right: var(--sp-2);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--text-1);
}

.outliner-row:hover {
  background: var(--bg-3);
  color: var(--text-0);
}

.outliner-row[data-selected='true'] {
  background: var(--accent-dim);
  color: var(--text-0);
}

.outliner-dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-radius: 2px;
}

.outliner-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.outliner-eye,
.outliner-del {
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: 9px;
  cursor: pointer;
  opacity: 0;
}

/* The eye stays visible when it is OFF -- a hidden element must advertise that
 * it is hidden, or the user hunts for an element that is right there. */
.outliner-eye[data-off='true'] {
  opacity: 1;
  color: var(--warning);
}

.outliner-row:hover .outliner-eye,
.outliner-row:hover .outliner-del,
.outliner-row[data-selected='true'] .outliner-eye,
.outliner-row[data-selected='true'] .outliner-del {
  opacity: 1;
}

.outliner-eye:hover { color: var(--text-0); background: var(--bg-4); }
.outliner-del:hover { color: var(--text-on-accent); background: var(--danger); }

/* Properties -------------------------------------------------------------- */

.properties {
  padding-bottom: var(--sp-5);
}

.prop-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3);
  border-bottom: 1px solid var(--line-soft);
}

.prop-title {
  font-size: var(--fs-md);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prop-id {
  padding: var(--sp-1) var(--sp-3) var(--sp-2);
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-2);
  border-bottom: 1px solid var(--line-soft);
  overflow-wrap: anywhere;
}

.prop-group {
  padding: var(--sp-2) var(--sp-3) var(--sp-3);
  border-bottom: 1px solid var(--line-soft);
}

.prop-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-2);
  margin: var(--sp-2) 0;
}

.prop-row {
  display: grid;
  grid-template-columns: minmax(52px, 40%) 1fr;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-1);
  min-height: 20px;
}

.prop-label {
  font-size: var(--fs-sm);
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prop-input {
  width: 100%;
  min-width: 0;
  padding: 2px var(--sp-2);
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-0);
  font-size: var(--fs-sm);
}

.prop-input:focus {
  outline: none;
  border-color: var(--accent);
}

.prop-check {
  justify-self: start;
  accent-color: var(--accent);
  cursor: pointer;
}

.prop-note {
  font-size: var(--fs-sm);
  color: var(--text-2);
  line-height: 1.6;
}

.prop-label--dat {
  font-family: var(--font-mono);
  color: var(--accent-hi);
}

/* Add a component the element does not have yet. */
.prop-add {
  width: 100%;
  padding: 2px var(--sp-2);
  background: var(--bg-3);
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-2);
  font-size: var(--fs-sm);
  cursor: pointer;
}

.prop-add:hover {
  border-color: var(--accent);
  color: var(--text-0);
}

.prop-remove {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-2);
  font-size: var(--fs-xs);
  cursor: pointer;
}

.prop-remove:hover {
  color: var(--danger);
}

/* Model sub-mesh show/hide list. */
.prop-parts {
  margin-top: var(--sp-2);
  padding-top: var(--sp-2);
  border-top: 1px solid var(--line-soft);
}

.prop-parts-title {
  font-size: var(--fs-xs);
  color: var(--text-2);
  margin-bottom: var(--sp-1);
}

.prop-part {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 1px 0;
  cursor: pointer;
}

.prop-part-name {
  font-size: var(--fs-sm);
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Media Collection -------------------------------------------------------- */

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: var(--sp-2);
  padding: var(--sp-2);
  align-content: start;
}

.pane-body[data-dropping='true'] {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.media-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-2);
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  cursor: grab;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.media-tile:hover {
  background: var(--bg-4);
  border-color: var(--accent-dim);
}

.media-tile:active { cursor: grabbing; }

.media-thumb {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: var(--radius-sm);
  /* A checker under transparent sprites -- otherwise alpha reads as "black
   * rectangle" and authors think the import broke. */
  background-color: var(--bg-1);
  background-image:
    linear-gradient(45deg, var(--bg-2) 25%, transparent 25%),
    linear-gradient(-45deg, var(--bg-2) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--bg-2) 75%),
    linear-gradient(-45deg, transparent 75%, var(--bg-2) 75%);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
}

.media-thumb--glyph {
  display: grid;
  place-items: center;
  font-size: 22px;
  color: var(--text-2);
  background-image: none;
}

.media-name {
  font-size: var(--fs-xs);
  color: var(--text-0);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.media-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-2);
}

.media-used { color: var(--accent-hi); }

/* The anim-only pill: a glb flagged as a clip library (DESIGN.md §18.10). */
.media-anim {
  border: 1px solid var(--line-1);
  border-radius: 3px;
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 0 var(--sp-1);
  cursor: pointer;
}
.media-anim--on {
  border-color: var(--accent-hi);
  color: var(--accent-hi);
}

.media-del {
  position: absolute;
  top: var(--sp-1);
  right: var(--sp-1);
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  background: var(--bg-0);
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: 9px;
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease);
}

.media-tile:hover .media-del { opacity: 1; }
.media-del:hover { background: var(--danger); color: var(--text-on-accent); }

/* Angel Script editor ------------------------------------------------------ */

.ags-file {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-1);
  padding-left: var(--sp-2);
}

.ags-status {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  padding-right: var(--sp-2);
}

.ags-status[data-state='ok']    { color: var(--ok); }
.ags-status[data-state='warn']  { color: var(--warning); }
.ags-status[data-state='error'] { color: var(--danger); }

.ags-editor {
  flex: 1;
  width: 100%;
  height: calc(100% - 28px);
  padding: var(--sp-3);
  background: var(--bg-1);
  border: none;
  color: var(--text-0);
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  line-height: 1.55;
  resize: none;
  tab-size: 2;
  white-space: pre;
  overflow: auto;
}

.ags-editor:focus { outline: none; }

/* Console ----------------------------------------------------------------- */

.console {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  padding: var(--sp-1) 0;
}

.console-line {
  display: flex;
  gap: var(--sp-3);
  padding: 2px var(--sp-3);
  border-left: 2px solid transparent;
  line-height: 1.5;
}

.console-line:hover { background: var(--bg-3); }

.console-sev {
  flex: 0 0 46px;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-top: 2px;
  color: var(--text-2);
}

.console-msg {
  flex: 1;
  color: var(--text-1);
  overflow-wrap: anywhere;
}

.console-file { color: var(--text-2); }

.console-line[data-severity='error']   { border-left-color: var(--danger); }
.console-line[data-severity='error'] .console-sev { color: var(--danger); }
.console-line[data-severity='error'] .console-msg { color: var(--text-0); }

.console-line[data-severity='warning'] { border-left-color: var(--warning); }
.console-line[data-severity='warning'] .console-sev { color: var(--warning); }

.console-line[data-severity='say']     { border-left-color: var(--accent); }
.console-line[data-severity='say'] .console-sev { color: var(--accent-hi); }
.console-line[data-severity='say'] .console-msg { color: var(--text-0); font-style: italic; }

.console-line[data-severity='info'] .console-sev { color: var(--ok); }

/* Stubs ------------------------------------------------------------------- */

.pane-stub {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-4);
  color: var(--text-2);
}

.pane-stub-title {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: var(--sp-1);
}

.pane-stub-line {
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* Workspace top strip ----------------------------------------------------- */

.ws-bar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex: 0 0 26px;
  padding: 0 var(--sp-3);
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
}

.ws-title {
  font-size: var(--fs-md);
  font-weight: 600;
}

.ws-path {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-2);
}

.ws-spacer { flex: 1; }

.ws-scene {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-0);
  font-size: var(--fs-sm);
  padding: 1px var(--sp-2);
  cursor: pointer;
  max-width: 190px;
}

.ws-scene:disabled { opacity: 0.5; cursor: default; }

.ws-hist {
  min-width: 24px;
  padding: 1px var(--sp-2);
  font-size: var(--fs-md);
}

.ws-hist:disabled { opacity: 0.3; cursor: default; }

/* Outliner sections -------------------------------------------------------- */

.outliner-section {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3) var(--sp-1);
  margin-top: var(--sp-1);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--text-2);
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg-1);
  position: sticky;
  top: 0;
}

.outliner-action {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-1);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0;
  padding: 1px var(--sp-2);
  margin-left: var(--sp-1);
  cursor: pointer;
  transition: background var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.outliner-action:hover {
  background: var(--accent);
  color: var(--text-on-accent);
  border-color: var(--accent);
}

.outliner-section-hint {
  font-weight: 400;
  letter-spacing: 0;
  text-transform: none;
  color: var(--text-2);
  opacity: 0.7;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ws-save {
  font-size: var(--fs-xs);
  font-family: var(--font-mono);
  color: var(--text-2);
  transition: color var(--t-med) var(--ease);
}

.ws-save[data-state='saved'] { color: var(--ok); }
.ws-save[data-state='dirty'] { color: var(--text-2); }
.ws-save[data-state='error'] { color: var(--danger); }
.ws-save[data-state='playing'] { color: var(--warning); }

/* Play ------------------------------------------------------------------- */

.ws-play {
  min-width: 74px;
  font-size: var(--fs-sm);
  padding: 1px var(--sp-3);
}

.ws-play[data-playing='true'] {
  background: var(--ok);
  border-color: var(--ok);
  color: var(--text-on-accent);
}

/* Play mode has to be unmistakable at a glance. Nothing is being saved, and
 * everything on screen is about to be thrown away -- an author who forgets which
 * mode they are in loses work. A green rail around the whole workspace is cheap
 * and impossible to miss. */
#workspace-root[data-playing='true'] {
  box-shadow: inset 0 0 0 2px var(--ok);
}

#workspace-root[data-playing='true'] .ws-bar {
  background: color-mix(in srgb, var(--ok) 14%, var(--bg-1));
}

#workspace-root {
  display: flex;
  flex-direction: column;
  height: 100%;
}

#workspace {
  flex: 1 1 0;
  min-height: 0;
}