/* app.css — GIMP-style dark gray theme */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #3a3d40;
  --panel: #46494d;
  --panel2: #3f4245;
  --well: #2e3134;
  --well2: #26292c;
  --border: #222426;
  --border2: #1a1c1e;
  --text: #d9dbdd;
  --dim: #9a9ea2;
  --accent: #e8912d;
  --sel: #4a6a9a;
  --canvas-area: #2b2d2f;
}
html, body { height: 100%; overflow: hidden; }
body {
  font: 11px/1.45 "Segoe UI", Tahoma, "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  user-select: none;
  -webkit-user-select: none;
}
canvas { display: block; }
button, input, select, textarea { font: inherit; color: inherit; }

#app { display: flex; flex-direction: column; height: 100vh; }
#main { flex: 1; display: flex; min-height: 0; }

/* ---------- menu bar ---------- */
#menubar {
  height: 24px; background: linear-gradient(#4a4d51, #3d4043);
  border-bottom: 1px solid var(--border2); display: flex; align-items: stretch;
  padding: 0 4px; flex: none; z-index: 60; position: relative;
}
.menubar { display: flex; align-items: stretch; }
.mi { padding: 3px 9px; cursor: default; border-radius: 3px; display: flex; align-items: center; }
.mi:hover, .mi.open { background: var(--sel); color: #fff; }
.menu-popup {
  position: fixed; min-width: 210px; background: #3f4245; border: 1px solid #222;
  border-radius: 4px; box-shadow: 0 6px 18px rgba(0,0,0,.55); padding: 3px; z-index: 500;
}
.menu-popup.ctx { z-index: 600; }
.menu-item { display: flex; align-items: center; padding: 4px 8px 4px 4px; border-radius: 3px; cursor: default; white-space: nowrap; position: relative; }
.menu-item:hover { background: var(--sel); color: #fff; }
.menu-item.disabled { color: #777; pointer-events: none; }
.menu-item.disabled:hover { background: none; }
.menu-check { width: 16px; text-align: center; color: var(--accent); flex: none; }
.menu-label { flex: 1; }
.menu-key { color: #9aa0a4; margin-left: 24px; font-size: 10px; }
.menu-item:hover .menu-key { color: #dde; }
.menu-sep { height: 1px; background: #2a2c2e; margin: 3px 6px; }
.menu-item .menu-popup { z-index: 501; }

/* ---------- docks ---------- */
.dock { background: var(--panel); display: flex; flex-direction: column; min-width: 0; }
#dock-left { width: 216px; flex: none; border-right: 1px solid var(--border2); }
#dock-right { width: 258px; flex: none; border-left: 1px solid var(--border2); }
body.hide-docks #dock-left, body.hide-docks #dock-right { display: none; }
body.hide-docks .splitter { display: none; }
.dock-group-title {
  padding: 4px 8px; font-size: 10px; text-transform: uppercase; letter-spacing: .8px;
  color: var(--dim); border-bottom: 1px solid var(--border); background: var(--panel2); flex: none;
}
.toolbox-wrap { padding: 6px; flex: none; overflow: auto; }
.dock-group { display: flex; flex-direction: column; min-height: 60px; overflow: hidden; }
.dock-tabbar { display: flex; background: var(--panel2); border-bottom: 1px solid var(--border); flex: none; flex-wrap: wrap; min-height: 22px; }
.dock-tab {
  padding: 3px 8px; font-size: 10.5px; color: var(--dim); cursor: default;
  border-right: 1px solid var(--border); display: flex; align-items: center; gap: 4px;
  border-bottom: 2px solid transparent;
}
.dock-tab.active { color: var(--text); background: var(--panel); border-bottom-color: var(--accent); }
.dock-tab:hover { color: var(--text); }
.dock-tab-close { opacity: 0; font-size: 9px; padding: 0 2px; border-radius: 2px; }
.dock-tab:hover .dock-tab-close { opacity: .7; }
.dock-tab-close:hover { background: #a04040; color: #fff; opacity: 1; }
.dock-tabbar.drop-hint { outline: 1px dashed var(--accent); outline-offset: -2px; }
.dock-content { flex: 1; overflow: auto; min-height: 0; }
.panel-inner { min-height: 100%; }
.splitter.vsplit { width: 5px; cursor: col-resize; flex: none; background: #2f3234; }
.splitter.hsplit { height: 5px; cursor: row-resize; flex: none; background: #2f3234; }
.splitter:hover { background: var(--accent); }

/* ---------- toolbox ---------- */
.toolbox-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 2px; }
.tool-btn {
  width: 100%; aspect-ratio: 1; background: #55585c; border: 1px solid #2c2e30;
  border-radius: 3px; cursor: default; padding: 3px; display: flex; align-items: center; justify-content: center;
}
.tool-btn:hover { background: #63676c; }
.tool-btn.active { background: #6a7076; border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.tool-btn svg { width: 100%; height: 100%; }

/* ---------- color area ---------- */
.color-area { position: relative; height: 56px; margin: 6px 4px 2px; }
.swatch { position: absolute; width: 34px; height: 34px; border: 1.5px solid #1c1e20; border-radius: 3px; box-shadow: 0 1px 3px rgba(0,0,0,.5); cursor: default; }
.swatch.fg { left: 8px; top: 0; z-index: 2; }
.swatch.bg { left: 34px; top: 18px; z-index: 1; }
.swatch-swap { position: absolute; left: 46px; top: 0; font-size: 13px; color: var(--dim); cursor: default; padding: 2px; }
.swatch-swap:hover { color: var(--text); }
.swatch-reset { position: absolute; left: 6px; top: 38px; font-size: 11px; color: var(--dim); cursor: default; padding: 1px 3px; border: 1px solid var(--border); border-radius: 2px; background: var(--well); }
.swatch-reset:hover { color: var(--text); }
.mini-row { display: flex; gap: 4px; padding: 4px; }
.mini { flex: 1; border: 1px solid var(--border); border-radius: 3px; overflow: hidden; height: 30px; background: var(--well); cursor: default; }
.mini canvas { width: 100%; height: 100%; object-fit: cover; }
.mini:hover { border-color: var(--accent); }

/* ---------- tool options ---------- */
.to-head { display: flex; align-items: center; gap: 6px; padding: 5px 8px; border-bottom: 1px solid var(--border); font-weight: 600; }
.to-head .to-icon svg { width: 16px; height: 16px; vertical-align: -3px; }
.to-row { display: flex; align-items: center; gap: 6px; padding: 4px 8px; }
.to-row.col { flex-direction: column; align-items: stretch; }
.to-row.dim { color: var(--dim); font-size: 10px; }
.to-label { flex: none; width: 74px; color: var(--dim); font-size: 10.5px; }
.to-check { display: flex; align-items: center; gap: 5px; font-size: 10.5px; }
.to-ctl { flex: 1; display: flex; align-items: center; gap: 5px; }
.to-range { flex: 1; height: 14px; accent-color: var(--accent); min-width: 40px; }
.to-num { width: 46px; background: var(--well2); border: 1px solid var(--border); border-radius: 3px; padding: 2px 4px; }
.to-text { flex: 1; background: var(--well2); border: 1px solid var(--border); border-radius: 3px; padding: 3px 5px; min-width: 40px; }
.to-select { flex: 1; background: var(--well2); border: 1px solid var(--border); border-radius: 3px; padding: 3px; min-width: 60px; }
.to-radio { display: flex; flex-wrap: wrap; gap: 2px; }
.to-rbtn { flex: 1; background: var(--well); border: 1px solid var(--border); border-radius: 3px; padding: 3px 6px; font-size: 10px; cursor: default; white-space: nowrap; }
.to-rbtn.on { background: var(--sel); color: #fff; border-color: #33445e; }
.to-brushbtn { flex: 1; display: flex; align-items: center; gap: 6px; background: var(--well); border: 1px solid var(--border); border-radius: 3px; padding: 3px 6px; cursor: default; }
.to-brushbtn:hover { border-color: var(--accent); }
.to-brush-name { font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.to-colorsw { width: 40px; height: 20px; border: 1px solid #1c1e20; border-radius: 3px; }
.unit { color: var(--dim); font-size: 10px; }

/* ---------- layers/channels/paths ---------- */
.lp-head { padding: 5px 7px; border-bottom: 1px solid var(--border); background: var(--panel2); }
.lp-row { display: flex; align-items: center; gap: 6px; padding: 2px 0; }
.lp-lab { width: 46px; color: var(--dim); font-size: 10.5px; flex: none; }
.lp-list { flex: 1; overflow: auto; min-height: 40px; }
.lp-item {
  display: flex; align-items: center; gap: 6px; padding: 3px 6px;
  border-bottom: 1px solid #34373a; cursor: default; min-height: 36px;
}
.lp-item:hover { background: #4a4e52; }
.lp-item.active { background: var(--sel); color: #fff; }
.lp-item.floating { background: #4a4a30; font-style: italic; }
.lp-item.drop { outline: 1px dashed var(--accent); outline-offset: -2px; }
.lp-item.hist-item { min-height: 24px; }
.lp-item.hist-item.undone { opacity: .45; }
.lp-item.grad { min-height: 30px; }
.lp-eye { width: 18px; text-align: center; font-size: 11px; opacity: .9; flex: none; filter: grayscale(1); }
.lp-eye.off { opacity: .25; }
.lp-thumb { flex: none; border-radius: 2px; }
.lp-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lp-rename { flex: 1; background: var(--well2); border: 1px solid var(--accent); border-radius: 2px; padding: 1px 4px; }
.lp-path-ic { width: 18px; text-align: center; color: var(--dim); flex: none; }
.lp-toolbar { display: flex; gap: 2px; padding: 4px; border-top: 1px solid var(--border); background: var(--panel2); flex-wrap: wrap; }
.pnl-btn {
  background: #54575b; border: 1px solid #2c2e30; border-radius: 3px;
  padding: 3px 8px; font-size: 11px; cursor: default; min-width: 26px;
}
.pnl-btn:hover { background: #63676c; }
.pnl-btn:disabled { opacity: .4; }
.lp-sub { padding: 3px 8px; font-size: 10px; text-transform: uppercase; letter-spacing: .6px; color: var(--dim); background: var(--panel2); border-bottom: 1px solid var(--border); }
.asset-grid { display: grid; grid-template-columns: repeat(auto-fill, 56px); gap: 4px; padding: 6px; }
.asset-cell { border: 1px solid var(--border); border-radius: 3px; background: var(--well); padding: 2px; cursor: default; }
.asset-cell:hover { border-color: #888; }
.asset-cell.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.asset-cell canvas { width: 52px; height: 52px; }
.grad-list .lp-item canvas { width: 110px; height: 18px; border-radius: 2px; }

/* ---------- center / canvas ---------- */
#center {
  flex: 1; display: grid; min-width: 0; min-height: 0;
  grid-template-columns: 20px 1fr; grid-template-rows: 20px 1fr;
  background: var(--canvas-area);
}
#ruler-corner {
  grid-area: 1/1; background: #3f4245; border-right: 1px solid var(--border2);
  border-bottom: 1px solid var(--border2); font-size: 9px; color: var(--dim);
  display: flex; align-items: center; justify-content: center;
}
#ruler-h { grid-area: 1/2; width: 100%; height: 20px; }
#ruler-v { grid-area: 2/1; width: 20px; height: 100%; }
#canvas-wrap {
  grid-area: 2/2; overflow: auto; display: flex; position: relative;
  background: var(--canvas-area);
}
.canvas-stack { margin: auto; position: relative; box-shadow: 0 0 0 1px #141618, 0 4px 24px rgba(0,0,0,.4); }
.cv-image { image-rendering: pixelated; }
.cv-overlay { position: absolute; inset: 0; }
.overlay-dom { position: absolute; inset: 0; pointer-events: none; }
.text-editor {
  position: absolute; pointer-events: auto; background: rgba(20,22,24,.25);
  border: 1px dashed #e8912d; outline: none; resize: both; overflow: hidden;
  padding: 2px 4px; line-height: 1.25; min-width: 60px; white-space: pre;
}

/* ---------- status bar ---------- */
#statusbar {
  height: 23px; flex: none; display: flex; align-items: center; gap: 10px;
  background: linear-gradient(#43464a, #383b3e); border-top: 1px solid var(--border2);
  padding: 0 8px; font-size: 10.5px; color: var(--dim);
}
.st-hint { color: #b8bcc0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st-flex { flex: 1; }
.st-size { color: #8a9094; }
.st-pos { min-width: 74px; text-align: right; font-variant-numeric: tabular-nums; }
.st-unit { color: #8a9094; }
#zoomsel { background: var(--well2); border: 1px solid var(--border); border-radius: 3px; padding: 1px 3px; font-size: 10.5px; }

/* ---------- dialogs ---------- */
#dialogs { position: fixed; inset: 0; pointer-events: none; z-index: 400; }
.dlg {
  position: absolute; pointer-events: auto; background: #3f4245;
  border: 1px solid #1c1e20; border-radius: 6px; box-shadow: 0 10px 40px rgba(0,0,0,.6);
  display: flex; flex-direction: column; max-height: 86vh; max-width: 92vw;
}
.dlg-title {
  display: flex; align-items: center; padding: 6px 10px; background: linear-gradient(#4a4d51, #3a3d40);
  border-bottom: 1px solid var(--border2); border-radius: 6px 6px 0 0; cursor: move; user-select: none;
}
.dlg-title-text { flex: 1; font-weight: 600; font-size: 11.5px; }
.dlg-close { background: none; border: none; color: var(--dim); font-size: 12px; padding: 0 2px; cursor: default; border-radius: 2px; }
.dlg-close:hover { color: #fff; background: #a04040; }
.dlg-body { padding: 10px; overflow: auto; flex: 1; }
.dlg-buttons { display: flex; justify-content: flex-end; gap: 6px; padding: 8px 10px; border-top: 1px solid var(--border); }
.dlg-btn {
  background: #54575b; border: 1px solid #2c2e30; border-radius: 4px;
  padding: 4px 16px; font-size: 11px; cursor: default;
}
.dlg-btn:hover { background: #63676c; }
.dlg-btn.primary { background: #4a6a9a; border-color: #33445e; color: #fff; }
.dlg-btn.primary:hover { background: #5678ab; }
.dlg-btn.chain.off { opacity: .4; }
.dlg-row { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.dlg-label { width: 110px; flex: none; color: var(--dim); font-size: 10.5px; text-align: right; }
.dlg-sliderwrap { flex: 1; display: flex; align-items: center; gap: 6px; }
.dlg-range { flex: 1; accent-color: var(--accent); min-width: 60px; }
.dlg-num { width: 56px; background: var(--well2); border: 1px solid var(--border); border-radius: 3px; padding: 3px 5px; }
.dlg-num.wide { width: auto; flex: 1; min-width: 60px; }
.dlg-select { background: var(--well2); border: 1px solid var(--border); border-radius: 3px; padding: 3px 5px; flex: 1; }
.dlg-msg { padding: 6px 2px; line-height: 1.5; }
.dlg-msg.dim { color: var(--dim); font-size: 10.5px; }
.dlg-preview { display: flex; align-items: center; gap: 5px; padding-bottom: 6px; font-size: 10.5px; }
.hist-wrap { padding: 4px 0; }
.hist-wrap canvas { width: 100%; border: 1px solid var(--border2); border-radius: 3px; }
.curves-canvas { border: 1px solid var(--border2); border-radius: 3px; cursor: crosshair; }
.about { display: flex; gap: 12px; align-items: flex-start; }
.about-splash { width: 110px; flex: none; }
.about-splash svg { width: 110px; }
.about-name { font-size: 26px; font-weight: 700; letter-spacing: 1px; }
.about-ver { color: var(--text); margin-top: 2px; }
.about-ver2 { color: var(--accent); margin-top: 2px; }
.about-copy { color: var(--dim); margin-top: 10px; line-height: 1.5; max-width: 270px; }
.about-link { color: #6db3e8; margin-top: 8px; font-size: 10.5px; }
.tip-wrap { display: flex; gap: 10px; align-items: flex-start; }
.tip-icon { font-size: 22px; }
.dlg-msg.tip { padding: 4px 0; }
.sc-scroll { max-height: 300px; overflow: auto; }
.shortcut-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.sc-group { grid-column: 1 / -1; font-weight: 700; color: var(--accent); margin: 8px 0 3px; font-size: 10px; text-transform: uppercase; letter-spacing: .8px; }
.sc-row { display: flex; gap: 8px; padding: 1.5px 0; font-size: 10.5px; }
.sc-row kbd {
  background: var(--well); border: 1px solid var(--border); border-bottom-width: 2px;
  border-radius: 3px; padding: 0 5px; font-size: 9.5px; font-family: inherit; min-width: 52px; text-align: center;
}
.sc-row span { color: var(--dim); }

/* color picker */
.cp-main { display: flex; gap: 8px; }
.cp-sv { position: relative; width: 190px; height: 190px; border: 1px solid var(--border2); cursor: crosshair; }
.cp-sv canvas { width: 190px; height: 190px; }
.cp-sv-dot {
  position: absolute; width: 9px; height: 9px; border: 1.5px solid #fff; border-radius: 50%;
  transform: translate(-50%, -50%); box-shadow: 0 0 3px #000; pointer-events: none;
}
.cp-hue { position: relative; width: 18px; height: 190px; border: 1px solid var(--border2); cursor: crosshair; }
.cp-hue canvas { width: 18px; height: 190px; }
.cp-hue-dot { position: absolute; left: -2px; right: -2px; height: 4px; border: 1px solid #fff; transform: translateY(-50%); box-shadow: 0 0 3px #000; pointer-events: none; }
.cp-sws { display: flex; margin-bottom: 6px; }
.cp-sw { flex: 1; height: 22px; border: 1px solid var(--border2); }
.cp-nums { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 8px; }
.cp-num { display: flex; align-items: center; gap: 4px; }
.cp-num label { width: 12px; color: var(--dim); }
.cp-num input { flex: 1; width: 40px; }

/* ---------- splash ---------- */
#splash {
  position: fixed; inset: 0; background: #26282b; z-index: 900;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .35s;
}
#splash.fade { opacity: 0; }
.splash-box { text-align: center; }
.splash-wilber svg { width: 130px; filter: drop-shadow(0 6px 18px rgba(0,0,0,.5)); }
.splash-title { font-size: 44px; font-weight: 800; letter-spacing: 6px; margin-top: 8px; color: #e8e8e8; }
.splash-sub { color: var(--dim); font-size: 12px; margin-bottom: 18px; }
.splash-bar { width: 260px; height: 8px; margin: 0 auto; background: #1c1e20; border-radius: 4px; overflow: hidden; border: 1px solid #141618; }
.splash-fill { height: 100%; width: 8%; background: linear-gradient(90deg, #b06a1d, var(--accent)); transition: width .2s; }
.splash-msg { color: #8a9094; font-size: 10.5px; margin-top: 8px; }

/* scrollbars */
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: #2e3134; }
::-webkit-scrollbar-thumb { background: #55585c; border: 2px solid #2e3134; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #6a6e73; }
::-webkit-scrollbar-corner { background: #2e3134; }

/* narrow viewports: keep everything reachable — this is a faithful desktop
   single-window app, so below a usable width the workspace scrolls
   horizontally rather than crushing the canvas to nothing */
@media (max-width: 760px) {
  #dock-left { width: 150px; }
  #dock-right { width: 190px; }
  .toolbox-grid { grid-template-columns: repeat(4, 1fr); }
  .lp-lab { width: 36px; }
  .menu-popup { min-width: 170px; }
}
@media (max-width: 620px) {
  #app { min-width: 620px; }
  body { overflow-x: auto; overflow-y: hidden; }
}