:root {
  --window: #242424; --panel: #2b2b2b; --raised: #343434; --divider: #1a1a1a;
  --fg: #e4e4e4; --secondary: #9a9a9a; --accent: #3d9bff; --selected: #3a4a5e; --hover: #3a3a3a;
  --warn: #ffb454; --radius: 6px; --bar: 28px; --tool: 36px;
  font: 12.5px/1.3 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--window); color: var(--fg); -webkit-user-select: none; user-select: none; overscroll-behavior: none; }
button, input, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
svg.ic { width: 18px; height: 18px; flex: none; pointer-events: none; }
[hidden] { display: none !important; }

#app { display: grid; grid-template-rows: auto auto 1fr var(--bar); height: 100%; height: 100dvh; }
#menubar { display: flex; align-items: center; background: var(--window); border-bottom: 1px solid var(--divider); padding: 0 4px; min-height: 30px; position: relative; z-index: 30; overflow-x: auto; scrollbar-width: none; }
#menubar .top { padding: 6px 10px; border-radius: 5px; white-space: nowrap; }
#menubar .top:hover, #menubar .top.open { background: var(--hover); }
#menubar .brand { display: flex; align-items: center; gap: 6px; padding: 0 10px 0 6px; font-weight: 600; }
#menubar .brand img { width: 18px; height: 18px; }
#menubar .spacer { flex: 1; }
.menu { position: fixed; z-index: 100; min-width: 230px; max-height: 80vh; overflow: auto; background: var(--raised); border: 1px solid var(--divider); border-radius: 8px; padding: 4px; box-shadow: 0 8px 28px #0008; }
.menu .item { display: flex; gap: 20px; align-items: center; padding: 5px 10px; border-radius: 5px; cursor: default; white-space: nowrap; }
.menu .item .key { margin-left: auto; color: var(--secondary); font-size: 11.5px; }
.menu .item:hover:not(.disabled) { background: var(--selected); }
.menu .item.disabled { opacity: .4; }
.menu .item .tick { width: 14px; }
.menu hr { border: 0; border-top: 1px solid var(--divider); margin: 4px 2px; }

#options { display: flex; align-items: center; gap: 12px; min-height: 34px; padding: 3px 10px; background: var(--panel); border-bottom: 1px solid var(--divider); overflow-x: auto; scrollbar-width: none; white-space: nowrap; }
#options .opt { display: flex; align-items: center; gap: 6px; }
#options label { color: var(--secondary); }
#options .tname { font-weight: 600; margin-right: 4px; }
#options input[type=range] { width: 110px; accent-color: var(--accent); }
#options .val { width: 3.2em; text-align: right; font-variant-numeric: tabular-nums; }
.btn { background: var(--raised); border-radius: var(--radius); padding: 4px 10px; min-height: 24px; }
.btn:hover { background: var(--hover); }
.btn.accent { background: var(--accent); color: #fff; }
.btn:disabled { opacity: .4; pointer-events: none; }
select, input[type=text], input[type=number] { background: var(--raised); border: 1px solid var(--divider); border-radius: var(--radius); padding: 3px 6px; min-height: 24px; }

#main { display: grid; grid-template-columns: 56px 1fr 260px; min-height: 0; }
#toolbar { background: var(--panel); border-right: 1px solid var(--divider); display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 0; overflow-y: auto; scrollbar-width: none; }
.toolbtn { width: var(--tool); height: var(--tool); border-radius: 8px; display: grid; place-items: center; color: var(--fg); }
.toolbtn svg.ic { width: 19px; height: 19px; }
.toolbtn:hover { background: var(--hover); }
.toolbtn.on { background: var(--selected); color: #fff; box-shadow: inset 0 0 0 1px var(--accent); }
.swatches { position: relative; width: 42px; height: 42px; margin-top: 10px; flex: none; }
.sw { position: absolute; width: 26px; height: 26px; border: 2px solid #fff; border-radius: 3px; box-shadow: 0 0 0 1px #000a; cursor: pointer; padding: 0; }
.sw.bg { right: 0; bottom: 0; } .sw.fg { left: 0; top: 0; z-index: 1; }
#swap { width: 28px; height: 22px; display: grid; place-items: center; color: var(--secondary); }
#swap svg.ic { width: 14px; height: 14px; }

#center { display: grid; grid-template-rows: auto 1fr; min-width: 0; min-height: 0; position: relative; }
#tabs { display: flex; align-items: center; background: var(--window); padding: 4px 6px; gap: 4px; min-height: 34px; }
#tablist { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; flex: 0 1 auto; min-width: 0; }
.tab { display: flex; align-items: center; gap: 6px; padding: 5px 8px 5px 12px; background: var(--panel); border-radius: 7px; white-space: nowrap; cursor: pointer; max-width: 200px; }
.tab.on { background: var(--raised); box-shadow: inset 0 -2px 0 var(--accent); }
.tab .name { overflow: hidden; text-overflow: ellipsis; }
.tab .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.tab .x { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 4px; color: var(--secondary); }
.tab .x:hover { background: var(--hover); color: var(--fg); }
.tab .x svg.ic { width: 12px; height: 12px; }
#tabs .grow { flex: 1; }
.iconbtn { min-width: 28px; height: 28px; padding: 0 6px; border-radius: 6px; display: grid; place-items: center; color: var(--fg); }
.iconbtn:hover { background: var(--hover); }
.iconbtn svg.ic { width: 16px; height: 16px; }
.zoomctl { display: flex; align-items: center; gap: 2px; }
.zoomctl .txt { font-size: 11.5px; padding: 0 8px; }

#viewport { position: relative; min-width: 0; min-height: 0; background: #1b1b1b; overflow: hidden; }
#view { position: absolute; inset: 0; width: 100%; height: 100%; touch-action: none; display: block; }
#welcome { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; background: var(--window); z-index: 5; padding: 20px; }
#welcome h1 { margin: 10px 0 4px; font-size: 26px; font-weight: 600; }
#welcome p { color: var(--secondary); margin: 0 0 16px; }
#welcome img { width: 84px; height: 84px; }
#welcome .row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
#dropmask { position: absolute; inset: 0; z-index: 20; border: 3px dashed var(--accent); background: #3d9bff22; display: grid; place-items: center; font-size: 18px; pointer-events: none; }

#side { background: var(--panel); border-left: 1px solid var(--divider); display: flex; flex-direction: column; min-height: 0; }
#side .head { padding: 8px 10px; font-weight: 600; border-bottom: 1px solid var(--divider); display: flex; align-items: center; }
#side .head .grow { flex: 1; }
.lp-props { display: grid; grid-template-columns: 1fr; gap: 6px; padding: 8px 10px; border-bottom: 1px solid var(--divider); }
.lp-props .r { display: flex; align-items: center; gap: 8px; }
.lp-props .r label { width: 54px; color: var(--secondary); }
.lp-props input[type=range] { flex: 1; min-width: 0; accent-color: var(--accent); }
.lp-props .val { width: 2.8em; text-align: right; font-variant-numeric: tabular-nums; }
.lp-props select { flex: 1; min-width: 0; }
#layerlist { flex: 1; overflow-y: auto; padding: 4px; position: relative; }
.lrow { display: flex; align-items: center; gap: 6px; padding: 4px 6px; border-radius: 6px; min-height: 44px; position: relative; touch-action: pan-y; }
.lrow:hover { background: var(--hover); }
.lrow.on { background: var(--selected); }
.lrow .eye { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 5px; color: var(--fg); flex: none; touch-action: none; }
.lrow .eye.off { color: var(--secondary); opacity: .6; }
.lrow .eye svg.ic { width: 16px; height: 16px; }
.lrow canvas.thumb { width: 36px; height: 36px; border-radius: 3px; flex: none; background: repeating-conic-gradient(#5a5a5a 0 25%, #3c3c3c 0 50%) 0 0/10px 10px; }
.lrow .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lrow input.rename { flex: 1; min-width: 0; }
.lrow .blend { color: var(--secondary); font-size: 10.5px; }
.lrow.dragging { opacity: .5; }
.dropline { position: absolute; left: 4px; right: 4px; height: 2px; background: var(--accent); pointer-events: none; }
.lp-foot { display: flex; gap: 2px; padding: 6px; border-top: 1px solid var(--divider); }
.lp-foot .grow { flex: 1; }
.iconbtn:disabled { opacity: .3; pointer-events: none; }

#status { display: flex; align-items: center; gap: 22px; padding: 0 14px; background: var(--panel); border-top: 1px solid var(--divider); font-size: 11.5px; white-space: nowrap; overflow: hidden; }
#status .hint { margin-left: auto; color: var(--secondary); overflow: hidden; text-overflow: ellipsis; }
#status .hint.problem { color: var(--warn); }
#status .pos { min-width: 8em; font-variant-numeric: tabular-nums; }

.scrim { position: fixed; inset: 0; background: #0007; display: grid; place-items: center; z-index: 200; padding: 12px; }
.dlg { background: var(--raised); border: 1px solid var(--divider); border-radius: 10px; min-width: min(380px, 100%); max-width: 100%; max-height: 92vh; overflow: auto; box-shadow: 0 14px 50px #000a; }
.dlg h2 { margin: 0; padding: 14px 18px 4px; font-size: 15px; }
.dlg .body { padding: 10px 18px; display: grid; gap: 10px; }
.dlg .foot { display: flex; justify-content: flex-end; gap: 8px; padding: 10px 18px 16px; }
.dlg .row { display: flex; align-items: center; gap: 10px; }
.dlg .row label { width: 80px; color: var(--secondary); }
.dlg .row input[type=number] { width: 90px; }
.presets { display: flex; flex-wrap: wrap; gap: 6px; }
.presets .btn.on { background: var(--selected); box-shadow: inset 0 0 0 1px var(--accent); }

@media (max-width: 860px) {
  #main { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  #toolbar { grid-row: 2; flex-direction: row; padding: 4px 6px; border-right: 0; border-top: 1px solid var(--divider); overflow-x: auto; overflow-y: hidden; justify-content: flex-start; }
  #toolbar .swatches { margin: 0 4px 0 10px; } 
  #center { grid-row: 1; }
  #side { position: fixed; top: 0; right: 0; bottom: 0; width: min(300px, 86vw); z-index: 60; transform: translateX(100%); transition: transform .2s; box-shadow: -8px 0 28px #0008; }
  body.layers-open #side { transform: none; }
  .toolbtn { width: 44px; height: 44px; flex: none; }
}
@media (pointer: coarse) { .iconbtn { min-width: 40px; height: 40px; } .lrow .eye { width: 36px; height: 36px; } #menubar .top { padding: 10px 12px; } }
@media (min-width: 861px) { #layers-toggle { display: none; } }

/* ---- phase 2-7 additions ---- */
.btn.small { padding: 2px 8px; min-height: 22px; font-size: 12px; }
.btn.on, .iconbtn.on { background: var(--selected); box-shadow: inset 0 0 0 1px var(--accent); }
#options .opt.group { gap: 6px; flex: none; }
#options .opt.chk { gap: 5px; }
#options input.val { width: 4.4em; text-align: right; padding: 2px 4px; }
#options input.val.wide { width: 5.4em; }
#options .unit, .fld .unit { color: var(--secondary); font-size: 11px; }
#options select.font { max-width: 150px; }
#options label.scrub { cursor: ew-resize; user-select: none; }
.cswatch { width: 26px; height: 20px; border-radius: 4px; border: 1px solid #fff9; box-shadow: 0 0 0 1px #000a; padding: 0; cursor: pointer; }
input[type=checkbox] { accent-color: var(--accent); }
label.chk { display: flex; align-items: center; gap: 6px; }

.floatdlg { position: fixed; top: 76px; right: 276px; z-index: 150; max-height: calc(100vh - 100px); }
.fields { padding-top: 8px; }
.fld { display: flex; align-items: center; gap: 8px; min-height: 26px; }
.fld > label:first-child { width: 96px; color: var(--secondary); flex: none; }
.fld input[type=range] { flex: 1; min-width: 0; accent-color: var(--accent); }
.fld input.num { width: 64px; }
.fld select { flex: 1; min-width: 0; }
.dlg .foot .grow { flex: 1; }
.dlg .foot .pv { color: var(--secondary); margin-right: auto; }
canvas.histo, canvas.curve { width: 100%; max-width: 256px; background: #1b1b1b; border-radius: 4px; display: block; margin: 2px auto; touch-action: none; }
/* Camera Raw Filter */
.crdlg { width: 380px; }
.crtop { justify-items: center; gap: 6px; }
.crtop canvas.histo { max-width: 300px; }
.crthumb { max-width: 100%; border-radius: 4px; cursor: crosshair; touch-action: none; }
.crread { color: var(--secondary); font-size: 11px; font-variant-numeric: tabular-nums; }
.crgroup { border-top: 1px solid var(--divider); }
.crgroup > summary { display: flex; align-items: center; gap: 6px; padding: 8px 0; cursor: pointer; font-weight: 600; list-style: none; }
.crgroup > summary::-webkit-details-marker { display: none; }
.crgroup > summary::before { content: ''; width: 6px; height: 6px; border: solid var(--secondary); border-width: 0 2px 2px 0; transform: rotate(-45deg); transition: transform .12s; }
.crgroup[open] > summary::before { transform: rotate(45deg); }
.crgroup > summary .grow { flex: 1; }
.crbody, .crbox { display: grid; gap: 6px; padding: 2px 0 10px 8px; }
.crbox { padding: 0; }
.crhead { color: var(--secondary); margin-top: 4px; font-size: 12px; }
.crnote { color: var(--secondary); font-size: 11px; }
@media (pointer: coarse) { .crgroup > summary { min-height: 40px; } .creye { min-width: 40px; min-height: 40px; } }
canvas.curve { aspect-ratio: 1; cursor: crosshair; }

.cp { width: min(420px, 100%); }
.cp-body { gap: 12px; }
.cp-main { display: flex; gap: 10px; align-items: flex-start; }
.cp-sv { width: 200px; height: 200px; border-radius: 4px; cursor: crosshair; touch-action: none; flex: none; }
.cp-hue { width: 18px; height: 200px; border-radius: 4px; cursor: ns-resize; touch-action: none; flex: none; }
.cp-side { display: grid; gap: 8px; align-content: start; }
.cp-cmp { display: grid; width: 64px; height: 64px; border-radius: 4px; overflow: hidden; border: 1px solid #000a; }
.cp-new, .cp-old { height: 100%; }
.cp-hex { width: 80px; font-family: ui-monospace, monospace; }
.cp-fields { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.cp-f { display: grid; gap: 2px; color: var(--secondary); font-size: 11px; }
.cp-n { width: 100%; padding: 2px 4px; }
.cp-palette { display: grid; grid-template-columns: repeat(auto-fill, 22px); gap: 4px; }
.cp-chip { width: 22px; height: 22px; border-radius: 4px; border: 1px solid #0008; cursor: pointer; padding: 0; }

#layerlist .lrow { padding-right: 6px; }
.lrow .twist { width: 18px; height: 22px; display: grid; place-items: center; color: var(--secondary); flex: none; }
.lrow .twist svg.ic { width: 12px; height: 12px; }
.lrow .thumb.sym { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 3px; background: var(--raised); color: var(--secondary); flex: none; }
.lrow canvas.thumb.mask { width: 30px; height: 30px; border: 2px solid transparent; border-radius: 3px; background: #000; flex: none; }
.lrow canvas.thumb.mask.edit { border-color: var(--accent); }
.lrow canvas.thumb.mask.off { opacity: .45; }
.lrow .clip { color: var(--secondary); flex: none; display: grid; }
.lrow .clip svg.ic { width: 12px; height: 12px; }
.lrow.dim { opacity: .55; }
.lrow .name.live { font-style: italic; }
.lrow.fxrow { min-height: 28px; color: var(--secondary); font-size: 11.5px; }
.lrow.fxrow .eye { width: 22px; height: 22px; }
.lrow.fxrow .eye svg.ic { width: 13px; height: 13px; }
.dropbox { position: absolute; left: 4px; right: 4px; border: 2px solid var(--accent); border-radius: 6px; pointer-events: none; }

.anchors { display: grid; grid-template-columns: repeat(3, 26px); gap: 3px; }
.anchor { width: 26px; height: 26px; border-radius: 4px; background: var(--window); border: 1px solid var(--divider); }
.anchor.on { background: var(--accent); }
.sides { display: flex; gap: 12px; flex-wrap: wrap; }
.prevwrap { display: grid; place-items: center; background: repeating-conic-gradient(#5a5a5a 0 25%, #3c3c3c 0 50%) 0 0/12px 12px; border-radius: 6px; padding: 6px; }
canvas.expprev { max-width: 100%; }
.report { max-height: 40vh; overflow: auto; display: grid; gap: 6px; font-size: 12px; padding-right: 6px; }
.shortcuts { display: grid; gap: 10px; max-height: 60vh; overflow: auto; padding-right: 6px; min-width: min(560px, 80vw); }
.shortcuts .note { color: var(--secondary); font-size: 12px; }
.kgrid { display: grid; grid-template-columns: 1fr auto; gap: 3px 16px; margin-top: 4px; align-items: center; }
.keybox { min-width: 120px; text-align: left; background: var(--window); border: 1px solid var(--divider); border-radius: 5px; padding: 2px 8px; color: var(--secondary); }
.keybox.changed { color: var(--fg); border-color: var(--accent); }
.keybox.capturing { background: var(--selected); color: #fff; }

#recents { display: grid; gap: 6px; justify-items: center; margin-top: 20px; }
#recents h3 { margin: 0; font-size: 12px; color: var(--secondary); font-weight: 500; }
#recents .recent { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (max-width: 860px) { .floatdlg { right: 8px; left: 8px; width: auto !important; top: 60px; } .cp-main { flex-wrap: wrap; } }

.blocker { position: fixed; inset: 0; z-index: 140; background: transparent; }

/* ---- Help page ---- */
.helppage { position: fixed; inset: 0; z-index: 300; background: var(--window); display: grid; grid-template-rows: auto 1fr; -webkit-user-select: text; user-select: text; }
.helppage .hbar { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--divider); }
.helppage .grow { flex: 1; }
.hwrap { display: grid; grid-template-columns: 230px 1fr; min-height: 0; }
.hnav { display: flex; flex-direction: column; gap: 2px; padding: 14px 10px; background: var(--panel); border-right: 1px solid var(--divider); overflow: auto; }
.hlink { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: var(--radius); text-align: left; color: var(--secondary); min-height: 40px; }
.hlink:hover { background: var(--hover); color: var(--fg); }
.hlink.on { background: var(--selected); color: var(--fg); }
.hscroll { overflow: auto; scroll-behavior: smooth; }
.hhero { display: flex; align-items: center; gap: 18px; padding: 36px 40px 28px; background: linear-gradient(135deg, #1f3a5c 0%, var(--window) 70%); border-bottom: 1px solid var(--divider); }
.hhero img { width: 64px; height: 64px; }
.hhero h1 { margin: 0 0 4px; font-size: 30px; letter-spacing: -.5px; }
.hhero p { margin: 0; color: var(--secondary); font-size: 14px; }
.hmain { max-width: 1040px; padding: 8px 40px 80px; font-size: 14px; line-height: 1.55; }
.hmain section { padding-top: 30px; }
.hmain h2 { display: flex; align-items: center; gap: 12px; margin: 0 0 14px; font-size: 21px; }
.hmain p { margin: 0 0 12px; color: #cfcfcf; }
.hmain ul { margin: 0 0 12px; padding-left: 20px; color: #cfcfcf; }
.hmain li { margin: 3px 0; }
.hico { display: grid; place-items: center; width: 48px; height: 48px; flex: none; border-radius: 12px; background: linear-gradient(145deg, #3a5f8f, #2a3f5c); color: #fff; box-shadow: 0 2px 8px #0006, inset 0 1px 0 #ffffff25; }
.hico svg.ic { width: 26px; height: 26px; }
.hico.sm { width: 34px; height: 34px; border-radius: 9px; }
.hico.sm svg.ic { width: 20px; height: 20px; }
.hgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-bottom: 14px; }
.hcard { background: var(--panel); border: 1px solid var(--divider); border-radius: 10px; padding: 14px 16px; }
.hcard h4 { margin: 0 0 8px; font-size: 14px; color: var(--accent); }
.hcard p, .hcard ul { margin-bottom: 0; }
.htools { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: 14px; margin-bottom: 14px; }
.htool { display: flex; gap: 14px; background: var(--panel); border: 1px solid var(--divider); border-radius: 10px; padding: 14px; }
.htool h4 { margin: 0 0 6px; font-size: 15px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.htool p { margin: 0; font-size: 13px; }
.hmodes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.hmode { display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px 4px 6px; border-radius: 999px; background: var(--raised); font-size: 12px; color: var(--secondary); }
.hmode i { font-style: normal; }
kbd { display: inline-block; min-width: 22px; padding: 1px 6px; border-radius: 5px; border: 1px solid #555; border-bottom-width: 2px; background: var(--raised); color: var(--fg); font: 600 11.5px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; text-align: center; }
.htip { margin: 14px 0; padding: 12px 16px; border-left: 3px solid var(--warn); background: #ffb45414; border-radius: 0 var(--radius) var(--radius) 0; color: #ddd; }
.htip b { color: var(--warn); }
.hkeys { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.hrows { display: grid; gap: 4px; }
.hrow { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 3px 0; border-bottom: 1px solid #ffffff0d; font-size: 13px; }
.hk { display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; }
@media (max-width: 760px) {
  .hwrap { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .hnav { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--divider); padding: 6px; }
  .hlink { flex: none; padding: 8px 12px; }
  .hhero { padding: 22px 18px; } .hmain { padding: 4px 16px 60px; }
  .htools { grid-template-columns: 1fr; }
}

.helppage [hidden] { display: none !important; }
.helppage .hsearch { width: min(280px, 40vw); }
.hnone { padding: 24px; color: var(--secondary); }