/* One dark theme, tuned so the artwork is the brightest thing on screen. */

:root {
  --bg: #14161c;
  --panel: #1a1d24;
  --panel-2: #20242d;
  --line: #2c313d;
  --ink: #e6e9ef;
  --dim: #929aab;
  --accent: #7fd4a0;
  --key: #f0b45e;
  --danger: #e2705f;
  --gutter: 116px;
  --radius: 6px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

/* The UA rule for [hidden] is display:none at the weakest specificity going,
   so any id or class rule that sets display silently defeats it. Say it once,
   loudly, instead of remembering it at every call site. */
[hidden] { display: none !important; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font: 13px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow: hidden;
}

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ------------------------------------------------------------- toolbar -- */

#toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.brand .name { letter-spacing: .01em; }
.brand .mark {
  width: 16px; height: 16px; border-radius: 3px;
  background:
    linear-gradient(var(--key) 0 0) 0 72% / 100% 18% no-repeat,
    linear-gradient(var(--accent) 0 0) 0 50% / 100% 14% no-repeat,
    #0f1116;
}

.group { display: flex; align-items: center; gap: 6px; }
.group.right { margin-left: auto; }

button {
  font: inherit;
  color: var(--ink);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 5px 10px;
  cursor: pointer;
  white-space: nowrap;
}
button:hover { background: #2b313c; }
button:disabled { opacity: .4; cursor: default; }
button.primary { background: #2f3a44; border-color: #3d4b58; }
button.accent { background: var(--accent); color: #10241a; border-color: var(--accent); font-weight: 600; }
button.accent:hover { filter: brightness(1.08); }
button.ghost { background: transparent; }
button.danger { color: var(--danger); }
button.icon { padding: 5px 9px; line-height: 1; }
button.slim { padding: 2px 7px; font-size: 12px; }
button.link {
  background: none; border: 0; color: var(--dim); padding: 0 0 0 8px;
  font-size: 11px; text-decoration: underline; text-underline-offset: 2px;
}
button.link:hover { color: var(--accent); background: none; }

input, select, textarea {
  font: inherit;
  color: var(--ink);
  background: #11131a;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 6px;
  width: 100%;
  min-width: 0;
}
input[type=range] { padding: 0; accent-color: var(--accent); }
input[type=color] { padding: 1px; width: 34px; height: 26px; flex: none; }
input[type=checkbox] { width: auto; accent-color: var(--accent); }
input:focus-visible, select:focus-visible, button:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px;
}

.scene-name { width: 130px; }
.pill {
  background: #263041; color: var(--accent); border-radius: 999px;
  padding: 2px 10px; font-size: 11px; max-width: 220px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
/* where the scene is going, in the corner of your eye: dim when it is nowhere
   in particular, loud only when a change is not reaching the disk */
.save-state:empty { display: none; }
.save-state.muted { background: #1c2330; color: var(--dim); }
.save-state.bad { background: #3a2430; color: var(--danger); }

/* --------------------------------------------------------------- layout -- */

main {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 330px;
  min-height: 0;
}

aside {
  background: var(--panel);
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#left { border-right: 1px solid var(--line); }
#right { border-left: 1px solid var(--line); }

#center {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto auto;
  min-width: 0;
  min-height: 0;
}

h2 {
  font-size: 11px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--dim); margin: 0; font-weight: 600;
}
h3 { font-size: 12px; margin: 0 0 4px; color: var(--ink); font-weight: 600; }

.panel { display: flex; flex-direction: column; gap: 6px; min-height: 0; }
.panel.grow { flex: 1; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; }
.panel-head.sub { margin-top: 6px; }

/* -------------------------------------------------------------- stage --- */

#stage {
  background:
    repeating-conic-gradient(#191c22 0 25%, #15181d 0 50%) 0 0 / 16px 16px;
  display: flex; align-items: center; justify-content: center;
  min-height: 0; overflow: hidden;
}
.stage-wrap { position: relative; box-shadow: 0 0 0 1px var(--line), 0 12px 40px #0008; }
.stage-wrap canvas { position: absolute; inset: 0; display: block; }
.view { image-rendering: pixelated; cursor: grab; touch-action: none; }
.stage-wrap.dragging .view { cursor: grabbing; }
.overlay { pointer-events: none; }

#transport {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-top: 1px solid var(--line); background: var(--panel);
}
#transport #scrub { flex: 1; }
#frame-label { color: var(--dim); min-width: 7ch; text-align: right; font-size: 12px; }
.chk { display: flex; align-items: center; gap: 4px; color: var(--dim); font-size: 11px; white-space: nowrap; }
.chk input { margin: 0; }

#status {
  padding: 5px 10px; color: var(--dim); font-size: 11.5px;
  border-top: 1px solid var(--line); background: var(--panel);
  min-height: 26px; display: flex; align-items: center; gap: 8px;
}
#status.err { color: var(--danger); }
#status.ok { color: var(--accent); }
#status a { color: inherit; }

/* ------------------------------------------------------------ outliner -- */

.outliner { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.outliner li {
  display: flex; align-items: center; gap: 6px;
  padding: 3px 6px; border-radius: 4px; cursor: pointer;
}
.outliner li:hover { background: #232833; }
.outliner li.sel { background: #26362f; box-shadow: inset 0 0 0 1px var(--accent); }
.outliner li.layer.sel { background: #38301f; box-shadow: inset 0 0 0 1px var(--key); }
.outliner .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.outliner .tag { color: var(--dim); font-size: 10.5px; }
.outliner .eye { opacity: .55; background: none; border: 0; padding: 0 2px; }
.outliner .eye:hover { opacity: 1; background: none; }
.outliner li.hidden .nm { opacity: .45; text-decoration: line-through; }
.outliner .thumb {
  width: 22px; height: 16px; object-fit: contain; image-rendering: pixelated; flex: none;
}
.add-row { display: flex; gap: 6px; }
.add-row button { flex: 1; }

/* -------------------------------------------------------------- assets -- */

.assets {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  gap: 6px; overflow-y: auto; min-height: 0; align-content: start;
}
.asset {
  border: 1px solid var(--line); border-radius: 5px; padding: 3px;
  background: #11131a; cursor: pointer; text-align: center;
}
.asset:hover { border-color: var(--accent); }
.asset img {
  width: 100%; height: 40px; object-fit: contain; image-rendering: pixelated;
  display: block;
}
.asset span {
  display: block; font-size: 9.5px; color: var(--dim);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; direction: rtl;
}

/* ----------------------------------------------------------- inspector -- */

.field { display: block; margin-bottom: 7px; }
.field-label {
  display: flex; align-items: baseline; color: var(--dim); font-size: 11px; margin-bottom: 2px;
}
.field-hint { display: block; color: #6e7686; font-size: 10.5px; margin-top: 2px; }
.row { display: flex; gap: 6px; align-items: center; }
.row.gap { gap: 6px; margin-top: 6px; }
.row.between { justify-content: space-between; align-items: center; margin-bottom: 8px; }
.row.wrap { flex-wrap: wrap; }
.row > .field { flex: 1; margin-bottom: 0; }
.grow { flex: 1; }
.times { color: var(--dim); }
.range-value { color: var(--dim); font-size: 11px; width: 3.2em; text-align: right; }
.toggle { display: flex; align-items: center; gap: 6px; }

/* a refreshable wrapper that must not add its own box to the flex layout,
   or the 12px gap between panel rows would double up around it */
.warnbox { display: contents; }

/* the "here is what to put" box: the arithmetic, then the buttons that do it */
.fix {
  border: 1px solid var(--line); border-left: 2px solid var(--accent);
  border-radius: 5px; padding: 6px 8px 8px; margin-top: 8px;
}
.fix .note:first-child { margin-top: 0; }

.block { border-top: 1px solid var(--line); padding-top: 10px; margin-top: 10px; }
.motion { border: 1px solid var(--line); border-radius: 5px; padding: 6px; margin-bottom: 6px; }
.motion .row + .row { margin-top: 6px; }

.note { color: var(--dim); font-size: 11px; margin: 6px 0 0; }
.note.warn { color: var(--danger); }
.note.ok { color: var(--accent); }

/* ------------------------------------------------------------ timeline -- */

#timeline {
  border-top: 1px solid var(--line);
  background: var(--panel);
  user-select: none;
  max-height: 34vh;
  display: flex;
  flex-direction: column;
}
.tl-head { display: flex; align-items: stretch; border-bottom: 1px solid var(--line); }
.tl-gutter {
  width: var(--gutter); flex: none; padding: 3px 8px; color: var(--dim);
  font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ruler { position: relative; flex: 1; height: 20px; cursor: pointer; }
.ruler .tick {
  position: absolute; top: 3px; font-size: 10px; color: var(--dim);
  transform: translateX(-50%); pointer-events: none;
}
.tl-body { position: relative; overflow-y: auto; min-height: 46px; }
.tracks { display: flex; flex-direction: column; }
.track { display: flex; align-items: stretch; border-bottom: 1px solid #23272f; }
.track.sel { background: #1e2630; }
.track .tl-gutter { cursor: pointer; padding-top: 5px; }
.lane { position: relative; flex: 1; height: 24px; cursor: pointer; }
.lane::after {
  content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 1px;
  background: #262b34;
}
.kf {
  position: absolute; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px;
  background: var(--key); border-radius: 2px; transform: rotate(45deg); cursor: grab;
}
.kf.sel { box-shadow: 0 0 0 2px #fff; }
.cycle { position: absolute; top: 2px; bottom: 2px; width: 1px; background: #333a45; }
.playhead {
  position: absolute; top: 0; bottom: 0; width: 2px; margin-left: -1px;
  background: var(--accent); pointer-events: none;
}

/* --------------------------------------------------------------- modal -- */

dialog {
  border: 1px solid var(--line); border-radius: 8px; background: var(--panel);
  color: var(--ink); padding: 0; width: min(760px, 92vw); max-height: 86vh;
}
dialog::backdrop { background: #000a; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-bottom: 1px solid var(--line);
}
#modal-body { padding: 12px; overflow: auto; max-height: 70vh; }
#modal-body textarea { height: 46vh; font-family: ui-monospace, monospace; font-size: 12px; resize: vertical; }
.modal-actions { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.export-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px; }
.export-card { border: 1px solid var(--line); border-radius: 6px; padding: 10px; }
.export-card h3 { margin-bottom: 2px; }
.export-card p { color: var(--dim); font-size: 11px; margin: 0 0 8px; }
progress { width: 100%; height: 6px; }
.kbd {
  display: inline-block; background: #11131a; border: 1px solid var(--line);
  border-radius: 4px; padding: 0 5px; font-family: ui-monospace, monospace; font-size: 11px;
}
.help-grid { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; align-items: baseline; }
.scene-list { list-style: none; padding: 0; margin: 0; }
.scene-list li { padding: 5px 6px; border-radius: 4px; cursor: pointer; }
.scene-list li:hover { background: var(--panel-2); }

/* ------------------------------------------------------------- preview -- */

#asset-preview {
  position: fixed; z-index: 60; pointer-events: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: 6px;
  padding: 6px; box-shadow: 0 10px 30px #000a;
  display: flex; flex-direction: column; gap: 2px; max-width: 380px;
}
#asset-preview img {
  image-rendering: pixelated; max-width: 360px; max-height: 300px;
  background: repeating-conic-gradient(#22262e 0 25%, #1a1d24 0 50%) 0 0 / 12px 12px;
  border-radius: 3px;
}
.preview-name { font-size: 11px; color: var(--ink); word-break: break-all; }
.preview-size { font-size: 10.5px; color: var(--dim); }

.asset img, .outliner .thumb { -webkit-user-drag: none; user-select: none; }
input.missing { border-color: var(--danger); color: var(--danger); }

/* ---------------------------------------------------------------- drop -- */

#drop-veil {
  position: fixed; inset: 0; background: #0c0e12cc; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  border: 3px dashed var(--accent); font-size: 18px; color: var(--accent);
}

@media (max-width: 1100px) {
  main { grid-template-columns: 200px minmax(0, 1fr) 280px; }
  :root { --gutter: 90px; }
}
/* Narrow: stack, but keep the canvas on top — it is the thing being edited. */
@media (max-width: 860px) {
  main {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: minmax(320px, 1fr) auto auto;
  }
  #center { order: 0; min-height: 320px; }
  #right { order: 1; }
  #left { order: 2; }
  #left, #right {
    max-height: 42vh; border: 0; border-top: 1px solid var(--line);
  }
  #timeline { max-height: 26vh; }
}