/* Workspace layout: header strip on top, then rail | chips | stage.
   Under 860px the rail becomes a bottom bar and the chips a horizontal strip,
   which is the same shape the phone app uses. */

.shell { display: flex; flex-direction: column; height: 100%; }

.header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg-elev);
  flex-wrap: wrap;
}
.brand { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; letter-spacing: 0.04em; color: var(--text); text-decoration: none; }
.brand img { border-radius: 8px; }
.brand em { font-style: normal; font-weight: 400; color: var(--accent); }
/* The page name, top-left beside the mark — the same pair /admin and /profile
   carry, so every screen says where the visitor is. */
.page-name { font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-dim); }
.header .spacer { flex: 1 1 auto; }
/* The preset the studio has open. It wears the theme's own accent rather than
   the dim text colour: it is the one label up there that changes with the
   look, and the same colour the open tab and the brand already carry. */
.recipe-name {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 3px 10px;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.menu-wrap { position: relative; }

.workspace { display: flex; flex: 1 1 auto; min-height: 0; }

/* --- tool rail ---------------------------------------------------------- */
.rail {
  width: var(--rail-w);
  flex: 0 0 auto;
  border-right: 1px solid var(--border-soft);
  background: var(--bg-sunken);
  display: flex;
  flex-direction: column;
  padding: 6px;
  gap: 4px;
  overflow-y: auto;
}
.rail button {
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--radius-sm);
  padding: 9px 4px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}
.rail button .glyph { font-size: 17px; line-height: 1; }
.rail button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-line); }
.rail button:hover { color: var(--text); }
/* The build behind the page. It sits at the foot of the column, quiet enough to
   read past, and wraps rather than widening the rail when a name is long. */
.rail-version {
  margin-top: auto;
  padding: 8px 2px 2px;
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  text-align: center;
  overflow-wrap: anywhere;
}

/* --- panel columns ------------------------------------------------------- */
/* The panel is a cascade: the rail holds the tabs, then one column per open
   level — the tab's chips, the open chip's sub-chips, the open ruler. A child
   column never hides the column it came from, so the path reads left to right. */
.chips {
  flex: 0 0 auto;
  max-width: 62vw;
  display: flex;
  flex-direction: row;
  align-items: stretch;
  border-right: 1px solid var(--border-soft);
  background: var(--bg);
  overflow-x: auto;
  overflow-y: hidden;
}
.col {
  width: var(--col-w);
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  overflow-y: auto;
  border-right: 1px solid var(--border-soft);
}
.col:last-child { border-right: none; }
.col-slider { width: var(--slider-w); }
/* CREATE RECIPES draws a two-up form, so its column is the wide one. */
.col-create { width: 300px; }
.col-sub { background: var(--bg-elev); }
/* RESET is the way out of an edit, not one more chip: a rule and some air keep
   it apart from the tab's own buttons at the foot of the column. */
.reset-row { margin-top: 6px; padding-top: 12px; border-top: 1px solid var(--border); }
/* Three things that belong to the phone alone: the mark a sub-chip wears on its
   tile, the path back up under the strip, and LIGHT's panels as a chip row. A
   desktop draws none of them — a chip there is its label, every column is in
   sight, and LIGHT's panels are the column itself. */
.chip-icon, .crumb, .dev-chips { display: none; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
/* The rule a strip is read across (the mixer's PICK, its bands, the three
   knobs): a line of its own, so it breaks the row it is written into whichever
   direction that row runs — a full width wraps it even in a phone's row-shaped
   column, and `height: 1px` holds it to a line in the desktop column, where the
   row's main axis is the other way round. */
.chip-rule {
  flex: 0 0 auto;
  width: 100%;
  height: 1px;
  margin: 3px 0;
  background: var(--border-soft);
}
/* In a column the chips stack: one chip per row, full width. */
.col .chip-row { flex-direction: column; align-items: stretch; }
.col .chip { justify-content: space-between; text-align: left; }
/* A row of one KIND of value read against each other, not a strip to scan: WB's
   presets, laid out as a table of buttons instead of a wrapping row. */
.chip-row.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}
.chip-row.grid .chip {
  justify-content: center; text-align: center;
  /* Two of these share the column's width, so each is its own small card: the
     standard's name on one line — never wrapped, the names are the point — and
     the kelvin under it, both a size down from a chip's label. */
  flex-direction: column; gap: 1px;
  padding: 4px 6px;
  font-size: 11px; line-height: 1.25;
  white-space: nowrap;
}
/* UNDO/REDO are one glyph each, so the pair reads as a single control. */
.header .btn.icon { padding: 4px 9px; font-size: 15px; line-height: 1.2; }
/* WATERMARK's own column: its chips carry the longest labels in the app
   ("GPS WATERMARK OFF", "CUSTOM WATERMARK OFF" + PRO), which wrap in the
   default column width. */
.wm-extra { border-right-color: var(--accent-line); width: 200px; }
/* The watermark panel is two collapses, one per mark: each header chip stands
   on its own controls (colour, face, switches, fields), and a rule keeps the
   two apart while both marks are on. */
.wm-sec { display: flex; flex-direction: column; gap: 6px; }
.wm-sec + .wm-sec { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.chip {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.col-sub .chip { background: var(--bg); }
/* The consent tick in MY PHOTOS' history column: a plain checkbox, not a chip —
   it is a permission, and it reads as one. */
.consent {
  display: flex; align-items: flex-start; gap: 7px;
  margin-top: 10px; padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 12px; line-height: 1.4; color: var(--text-dim);
  cursor: pointer;
}
.consent input { flex: 0 0 auto; margin: 1px 0 0; accent-color: var(--accent); }
/* SAVE RECENT's own files: the name fills the row, the ✕ that deletes it sits
   beside it — the account's recipe list is the one place a file can be thrown
   away from the studio. */
.saved-list { display: flex; flex-direction: column; gap: 6px; }
.saved-row { display: flex; gap: 6px; align-items: stretch; }
.saved-row .chip:first-child { flex: 1; justify-content: space-between; text-align: left; }
.chip[aria-pressed="true"], .chip.on { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
/* A chip painted with the value it picks (a WB preset's cast, the same swatch
   the ruler paints). The fill and the ink are inline — they ARE the value, not
   the theme — so both are stated by the caller; the border is the chip's own
   ink, which is visible against the fill it was chosen for, and the accent once
   the preset is on, since the fill can no longer say so. */
.chip.tinted {
  border: 2px solid currentColor;
  border-radius: 8px;
  font-weight: 600;
}
.chip.tinted.on { border-color: var(--accent); }
/* The kelvin rides on a swatch, whose ink was picked for that fill to clear
   4.5:1 — so a value slot there wears that ink and not the panel's dim grey,
   which is what a mid grey button cannot carry. It is set a size down from the
   name instead, which is separation that costs no contrast. */
.chip.tinted .val { color: inherit; }
/* Edited value, strip closed: the text glows amber, the border does not. */
.chip.amber, .chip.amber .val { color: var(--accent); }
.chip .val { color: var(--text-dim); font-family: var(--mono); font-size: 11px; }
.chip-row.grid .chip .val { font-size: 10px; }
.chip .pro, .btn .pro { font-size: 9px; letter-spacing: 0.08em; color: var(--accent); }
/* A button is not a flex row the way a chip is, so the marker carries its own
   gap off the label it qualifies. */
.btn .pro { margin-left: 6px; }
.chip:disabled { opacity: 0.4; cursor: not-allowed; }
/* The font group as a dropdown: one row that shows the current pairing instead
   of three chips that all have to fit. */
.font-select {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding-right: 26px;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%239aa2ad' stroke-width='1.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
.font-select option { background: var(--bg-elev); color: var(--text); }

/* The ruler column: "<" back button, label + live value, slider, colour swatch
   for the knobs that drive a hue (WB's TEMPERATURE / TINT). */
.slider-row { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 10px; display: flex; align-items: center; gap: 10px; }
.col .slider-row { flex-direction: column; align-items: stretch; gap: 6px; }
.slider-row .ruler { flex: 1 1 auto; min-width: 0; }
/* The same one-line ruler as the sidebar's rows: the knob's name, its track,
   then the number it is on — and a colour swatch under them where the knob
   drives a hue (WB's TEMPERATURE / TINT). */
.slider-row .head { display: flex; align-items: center; gap: 8px; font-size: 11px; letter-spacing: 0.1em; color: var(--text-dim); }
.slider-row .head span { flex: 0 0 auto; }
.slider-row .head input[type="range"] { flex: 1 1 40px; min-width: 0; }
.slider-row .head b { flex: 0 0 auto; color: var(--text); font-family: var(--mono); letter-spacing: 0; }
.slider-row .head b.amber { color: var(--accent); }
.slider-row .swatch {
  height: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider-row .swatch span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: #fff;
  mix-blend-mode: difference;
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.slider-row .back {
  flex: 0 0 auto;
  align-self: flex-start;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-dim);
  border-radius: 999px;
  padding: 4px 10px;
  font-family: var(--mono);
  font-weight: 700;
  cursor: pointer;
}
input[type="range"] { width: 100%; accent-color: var(--accent); }
.hint { color: var(--text-dim); font-size: 12px; line-height: 1.5; }
.hint.ok { color: var(--accent); }

/* --- PRO gate bar ------------------------------------------------------- */
/* One line between the header and the workspace, shown only while a signed-in
   account has not proven its address — it is served as a guest until it does. */
.verify-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 6px 12px;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--accent-line);
  font-size: 12px;
}
.verify-bar .btn { padding: 3px 10px; font-size: 11px; }
/* The trial notice: the verify bar's shape in the plain surface rather than the
   accent — it is news, and it offers nothing to click. */
.notice-bar {
  padding: 6px 12px;
  text-align: center;
  font-size: 12px;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

/* --- CREATE RECIPES form (the phone's RecipeCreateModal, unrolled) ------- */
.create-form {
  border-top: 1px solid var(--border-soft);
  padding-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.create-label {
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  font-weight: 600;
}
.create-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
/* Collapsible groups: native <details>, so only the caret is ours. */
.create-sec { display: flex; flex-direction: column; gap: 6px; }
.create-sec > summary { display: flex; align-items: center; gap: 6px; cursor: pointer; list-style: none; user-select: none; }
.create-sec > summary::-webkit-details-marker { display: none; }
.create-sec > summary::before { content: '▸'; font-size: 9px; transition: transform 0.15s ease; }
.create-sec[open] > summary::before { transform: rotate(90deg); }
.create-num { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.create-num span { font-size: 10px; letter-spacing: 0.12em; color: var(--text-dim); font-weight: 600; }
.create-num.wide { grid-column: 1 / -1; }
.create-shift { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.create-shift .field { width: 64px; }
.create-actions { display: flex; gap: 6px; margin-top: 4px; }
.create-actions .btn { flex: 1 1 auto; }

/* --- stage -------------------------------------------------------------- */
.stage {
  flex: 1 1 auto;
  min-width: 0;
  background: var(--bg-sunken);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  position: relative;
}
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 28px;
  text-align: center;
  color: var(--text-dim);
  cursor: pointer;
  background: var(--bg);
  max-width: 520px;
}
.dropzone.over { border-color: var(--accent); color: var(--text); background: var(--accent-soft); }
.dropzone strong { display: block; color: var(--text); margin-bottom: 6px; font-size: 16px; }
/* The camera sits beside the picker's own hint, so it needs a line of its own
   rather than riding on the sentence above it. The click on this button must
   not also open the file dialog the dropzone itself listens for. */
.dropzone .btn { margin-top: 14px; }
.canvas-wrap { position: relative; display: flex; align-items: center; justify-content: center; min-height: 0; flex: 1 1 auto; width: 100%; overflow: hidden; }
.canvas-wrap img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: var(--radius-sm); box-shadow: var(--shadow); }
/* Crop editor: the layer is the photo's own box, the rect is the framing and
   its shadow is what shades the part being cut away. */
/* Compare: the original left of the split, the grade right of it. The layer is
   the photo's own box and carries the stage's transform, so the bar stays put
   on the photo whatever the zoom or pan. */
.compare-layer {
  position: absolute;
  overflow: hidden;
  border-radius: var(--radius-sm);
  cursor: ew-resize;
  touch-action: none;
}
.compare-orig { position: absolute; inset: 0; width: 100%; height: 100%; box-shadow: none; }
.compare-bar {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  margin-left: -1px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}
.compare-bar::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 30px;
  height: 30px;
  transform: translate(-50%, -50%);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.crop-layer { position: absolute; overflow: hidden; border-radius: var(--radius-sm); pointer-events: none; }
.crop-rect { position: absolute; border: 1px solid var(--accent); box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.5); cursor: move; pointer-events: auto; touch-action: none; }
.crop-handle { position: absolute; width: 16px; height: 16px; background: var(--accent); border: 2px solid #fff; border-radius: 3px; touch-action: none; }
.crop-handle.tl { left: 0; top: 0; transform: translate(-50%, -50%); cursor: nwse-resize; }
.crop-handle.tr { right: 0; top: 0; transform: translate(50%, -50%); cursor: nesw-resize; }
.crop-handle.bl { left: 0; bottom: 0; transform: translate(-50%, 50%); cursor: nesw-resize; }
.crop-handle.br { right: 0; bottom: 0; transform: translate(50%, 50%); cursor: nwse-resize; }
/* LIGHT's TONE CURVE: the graph hung on the photo. The layer is the photo's own
   box and takes no pointer events; the card sits at its bottom-left corner and
   takes them all, because every gesture in it is about the curve. */
.curve-layer { position: absolute; pointer-events: none; }
.curve-panel {
  position: absolute;
  left: 10px;
  bottom: 10px;
  pointer-events: auto;
  touch-action: none;
  width: 240px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  user-select: none;
}
.curve-head { display: flex; align-items: center; justify-content: space-between; cursor: grab; }
.curve-panel.dragging .curve-head { cursor: grabbing; }
.curve-title { font-size: 11px; letter-spacing: 0.1em; color: var(--muted); }
.curve-close {
  border: none;
  background: none;
  color: var(--muted);
  font-size: 12px;
  line-height: 1;
  padding: 2px 4px;
  cursor: pointer;
}
.curve-close:hover { color: var(--fg); }
.curve-tabs { display: flex; gap: 4px; align-items: center; }
.curve-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  flex: 1 1 0;
  justify-content: center;
  padding: 3px 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}
.curve-tab.on { border-color: var(--accent-line); color: var(--fg); }
/* The dot carries the channel's own colour, so the tab says which line it draws;
   it goes amber once that channel has left the diagonal. */
.curve-dot { width: 7px; height: 7px; border-radius: 999px; }
.curve-tab.moved .curve-dot { box-shadow: 0 0 0 2px var(--accent); }
.curve-reset {
  flex: 0 0 auto;
  padding: 3px 7px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: none;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}
.curve-reset:hover { color: var(--fg); border-color: var(--accent-line); }
.curve-graph { display: block; background: rgba(0, 0, 0, 0.35); border: 1px solid var(--border); border-radius: 3px; cursor: crosshair; }
/* The picture's own distribution, the floor the graph is read against. Light on
   both themes because the graph itself is always the dark box over a photo. */
.curve-hist { fill: rgba(255, 255, 255, 0.22); }
.curve-grid { stroke: rgba(255, 255, 255, 0.1); stroke-width: 1; }
.curve-diagonal { stroke: rgba(255, 255, 255, 0.28); stroke-width: 1; stroke-dasharray: 3 3; }
/* The line the active tab draws, and — on a channel tab — the composite curve
   under it, so the two moves can be told apart. */
.curve-line { fill: none; stroke-width: 2; stroke-linecap: round; }
.curve-line.ghost { stroke: rgba(255, 255, 255, 0.35); stroke-width: 1; stroke-dasharray: 4 3; }
.curve-point { fill: var(--bg-elev); stroke-width: 2; cursor: grab; }
.curve-point:active { cursor: grabbing; }

/* FRAME's custom watermark box: drag the body to move, the corner to scale. */
.wm-layer { position: absolute; border-radius: var(--radius-sm); pointer-events: none; }
.wm-rect { position: absolute; border: 1px dashed var(--accent); cursor: move; pointer-events: auto; touch-action: none; }
.wm-handle { position: absolute; width: 14px; height: 14px; background: var(--accent); border: 2px solid #fff; border-radius: 3px; touch-action: none; }
.wm-handle.br { right: 0; bottom: 0; transform: translate(50%, 50%); cursor: nwse-resize; }
/* A watermark's colour: the preset chips are a shortcut, the well picks any. */
.color-well { display: flex; align-items: center; gap: 8px; padding: 6px 8px; cursor: pointer; }
.color-well input[type="color"] { width: 34px; height: 22px; padding: 0; border: 1px solid var(--accent-line); border-radius: 3px; background: none; cursor: pointer; }
.color-well .val { font-size: 11px; letter-spacing: 0.08em; color: var(--muted); }
/* Eyedropper: the photo's own box, left transparent, with a crosshair cursor. */
.pick-layer {
  position: absolute;
  border-radius: var(--radius-sm);
  cursor: crosshair;
  touch-action: none;
}
/* FX's brush — HEAL and MOSAIC, one layer. It takes the pointer the way the
   eyedropper's does, so a click paints and a drag paints a run instead of
   panning; the circle under the cursor is the size the wheel has set, the trail
   is the stroke being drawn, and every spot on the photo keeps its own circle.
   A HEAL spot shows the pair the renderer works with — the hole it fills, and
   the patch it borrowed; a MOSAIC spot has nothing beside it, since what it
   covers is gone. */
.brush-layer {
  position: absolute;
  border-radius: var(--radius-sm);
  cursor: none;
  touch-action: none;
}
.brush-set { position: absolute; inset: 0; pointer-events: none; }
.brush-cursor,
.brush-spot,
.brush-source {
  position: absolute;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.brush-cursor { border: 1px solid rgba(255, 255, 255, 0.9); box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.55); }
/* The stroke in progress is one band of the brush's own width — a path with
   round ends and round joins — so a drag reads as a brush being drawn across
   the photo rather than as the beads a row of overlapping circles looks like.
   It wears the accent, so the run reads as something about to happen rather
   than a spot already laid. */
.brush-trail {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}
.brush-trail path {
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-opacity: 0.45;
}
.brush-spot { border: 1px solid rgba(255, 255, 255, 0.85); box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45); }
.brush-source { border: 1px dashed rgba(255, 255, 255, 0.7); }
/* The spots a stroke left are drawn as the one mark it was painted as: a band
   of the brush's own width through them, in the same translucent white with the
   same dark hairline the circles wear, so the band reads on a white photo too.
   The dashed one is the patch HEAL borrowed, which is a band of its own and is
   meant to look borrowed. A stroke is one path, so where it crosses itself its
   translucency is laid once rather than twice — that doubling-up is exactly
   what a row of overlapping circles looks like. */
.brush-band {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.45));
}
.brush-band path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.18);
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brush-band.band-src path { stroke: rgba(255, 255, 255, 0.12); stroke-dasharray: 5 5; }
/* A spot the band stands for: its box on the photo is still the spot's, its own
   edge is the band's now. */
.brush-spot[data-band],
.brush-source[data-band] { border-color: transparent; box-shadow: none; }
/* A repair the pointer is not on and no press has chosen: the ring would be one
   more circle on a photo that already carries as many repairs as the user laid,
   so an idle spot is the patch it borrowed and a faint print of the place it
   mended — soft, because it is a record of an edit rather than something to
   aim at, and it is the ring under the pointer that says the spot can be taken
   hold of again. */
.brush-spot[data-idle] {
  border-color: transparent;
  background: rgba(127, 127, 127, 0.14);
  box-shadow: 0 0 7px 2px rgba(0, 0, 0, 0.25);
  filter: blur(1px);
}
/* A run the band already stands for needs no print of its own under it. */
.brush-spot[data-idle][data-band] { background: none; box-shadow: none; filter: none; }
/* In hand, one of the run's spots is the circle it would be taken hold of by, so
   it wears that circle again over the band — the ring is what says the spot is
   under the pointer. */
.brush-spot[data-band]:not([data-idle]) { border-color: rgba(255, 255, 255, 0.85); box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45); }
/* The × on the spot the pointer chose. It sits on the spot's corner and is the
   one thing on this layer the pointer is meant to click, so it takes the
   pointer back off the paint. */
.brush-del {
  position: absolute;
  transform: translate(-50%, -50%);
  width: 18px;
  height: 18px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  font: 12px/1 sans-serif;
  cursor: pointer;
  pointer-events: auto;
}
.brush-del:hover { background: var(--accent); }
/* FX's gradient masks — LINEAR and RADIAL GRADIENT, one layer. It takes the
   pointer while a mask tool is armed, so a drag draws the next shape instead of
   panning the photo; the shapes already on the photo answer only through their
   own pin and handles, which is what lets a press mean "take hold of this one"
   rather than "draw another". */
.mask-layer {
  position: absolute;
  border-radius: var(--radius-sm);
  cursor: crosshair;
  touch-action: none;
}
/* The shape's own outline, over the photo: the pin and the handles are the
   things on this layer to press, and the chosen shape's edge is one more — the
   line a ramp falls along, or an ellipse's rim. Invisible and a finger wide, so
   a press on the edge turns the shape without having to find a handle for it;
   non-scaling, so the band is the same width however the photo is zoomed. */
.mask-shape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.45));
}
.mask-line { stroke: rgba(255, 255, 255, 0.85); stroke-width: 1; }
.mask-edge {
  fill: none;
  stroke: rgba(255, 255, 255, 0.01);
  stroke-width: 16;
  pointer-events: stroke;
  vector-effect: non-scaling-stroke;
  cursor: grab;
}
/* An ellipse's rim, and inside it the ellipse its feather fades to — so the
   hand the shape has on the photo is visible before the knobs are moved. */
.mask-ring { fill: none; stroke: rgba(255, 255, 255, 0.85); stroke-width: 1; }
.mask-ring.feather { stroke: rgba(255, 255, 255, 0.5); stroke-dasharray: 4 4; }
/* The pin that moves the whole shape, and the handles that resize it. Both are
   the pointer's own, and both keep a screen size of their own whatever the zoom
   (the layer's transform is taken back out of them). */
.mask-pin,
.mask-handle {
  position: absolute;
  width: 13px;
  height: 13px;
  border: 1px solid rgba(0, 0, 0, 0.55);
  background: rgba(255, 255, 255, 0.9);
  pointer-events: auto;
  cursor: move;
}
.mask-pin { border-radius: 50%; }
.mask-handle { border-radius: 2px; }
.mask-handle.rot { border-radius: 50%; cursor: grab; }
/* The mixer's readout: the sampled swatch, its RGB and HSL, and the band the
   ruler is pointed at. */
.hsl-readout {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.hsl-swatch { display: block; height: 34px; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.hsl-line { font-size: 12px; color: var(--text-dim); font-variant-numeric: tabular-nums; }
/* A chip that names a colour shows it: the dot rides the leading edge. */
.chip-dot { width: 10px; height: 10px; border-radius: 999px; border: 1px solid var(--border); flex: 0 0 auto; }
/* The eyedropper's own icon, riding the cursor inside the pick layer. Its hot
   spot is the tip, so it is nudged up and left of the pointer. */
.pick-icon { position: absolute; pointer-events: none; transform: translate(-2px, -21px); filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.65)); }
.pick-icon-body { fill: #fff; stroke: #111; stroke-width: 1.2; }
.pick-icon-tip { fill: var(--accent); stroke: #111; stroke-width: 1.2; }
/* The mixer's panel for the colour just sampled: it hangs on the photo at the
   point the eyedropper read, its swatch on top and HUE/SAT/LUM in one row
   under it. The layer is transparent to the pointer, the card is not. */
.hsl-panel-layer { position: absolute; pointer-events: none; }
.hsl-panel {
  position: absolute;
  pointer-events: auto;
  /* Dragged by its body to a clear patch of photo; the knobs and the close
     button keep the pointer to themselves. */
  cursor: grab;
  touch-action: none;
  width: 248px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.hsl-card-head { display: flex; align-items: center; gap: 8px; }
.hsl-card-swatch { width: 28px; height: 28px; flex: 0 0 auto; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.hsl-card-name { display: flex; flex-direction: column; flex: 1 1 auto; min-width: 0; font-size: 11px; letter-spacing: 0.08em; color: var(--text-dim); }
.hsl-card-name b { font-family: var(--mono); font-size: 12px; letter-spacing: 0; color: var(--text); }
.hsl-card-close { border: 1px solid var(--border); background: var(--bg); color: var(--text-dim); border-radius: 999px; padding: 2px 7px; font-size: 11px; cursor: pointer; }
.hsl-card-knobs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mini-slider { min-width: 0; }
.mini-head { display: flex; align-items: center; gap: 8px; font-size: 10px; letter-spacing: 0.08em; color: var(--text-dim); }
.mini-head span { flex: 0 0 auto; }
/* The track takes the width the two labels leave, so the name of the knob opens
   the row and the number it is on closes it (see MiniSlider). */
.mini-head input[type="range"] { flex: 1 1 40px; min-width: 0; }
.mini-head b { flex: 0 0 auto; font-family: var(--mono); letter-spacing: 0; color: var(--text); }
.mini-head b.amber { color: var(--accent); }
/* The mixer's three knobs share one narrow panel, so they keep the stacked form
   the row above has just left: the name and its number on one line, the track
   under them. The readout is ordered ahead of the track, which takes the whole
   second line — in the markup the track sits between the two. */
.hsl-card-knobs .mini-head { flex-wrap: wrap; justify-content: space-between; }
.hsl-card-knobs .mini-head b { order: 1; }
.hsl-card-knobs .mini-head input[type="range"] { order: 2; flex: 1 0 100%; }
/* FRAME's STRAIGHTEN scale: a graduated ruler lying along the foot of the
   photo. The layer is transparent to the pointer so the photo still answers a
   drag outside the card; the card itself takes the drag. */
.straighten-layer { position: absolute; z-index: 3; pointer-events: none; }
.straighten-ruler {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  padding: 6px 14px 8px;
  pointer-events: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  user-select: none;
  touch-action: none;
}
.straighten-head { display: flex; align-items: baseline; justify-content: space-between; font-size: 10px; letter-spacing: 0.08em; color: var(--text-dim); text-shadow: 0 1px 2px var(--bg); }
.straighten-head b { font-family: var(--mono); font-size: 12px; letter-spacing: 0; color: var(--text); font-variant-numeric: tabular-nums; }
.straighten-head b.amber { color: var(--accent); }
.straighten-scale { position: relative; height: 30px; cursor: ew-resize; filter: drop-shadow(0 0 2px var(--bg)); }
.straighten-tick { position: absolute; bottom: 12px; width: 1px; height: 7px; background: var(--border); transform: translateX(-50%); }
.straighten-tick.major { height: 12px; background: var(--text-dim); }
.straighten-tick.zero { height: 16px; background: var(--text); }
.straighten-tick i { position: absolute; top: 13px; left: 0; transform: translateX(-50%); font-style: normal; font-size: 9px; color: var(--text-dim); }
.straighten-needle { position: absolute; bottom: 4px; width: 2px; height: 20px; background: var(--accent); transform: translateX(-50%); pointer-events: none; }
/* Histogram overlay: a small translucent frame on the photo, dragged by its
   header. The luma curve is a grey fill behind the three channel curves, which
   screen over each other the way a Lightroom histogram reads. */
.hist {
  position: absolute;
  z-index: 4;
  width: 236px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(6px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  user-select: none;
  touch-action: none;
}
.hist-head { display: flex; align-items: center; gap: 4px; padding: 3px 4px 3px 8px; cursor: grab; }
.hist.dragging .hist-head { cursor: grabbing; }
.hist-title { flex: 1 1 auto; font-size: 10px; letter-spacing: 0.08em; color: var(--text-dim); }
.hist-close {
  width: 18px; height: 18px; padding: 0; line-height: 1;
  font-size: 13px; color: var(--text-dim);
  background: none; border: 0; border-radius: 4px; cursor: pointer;
}
.hist-close:hover { background: var(--bg-sunken); color: var(--text); }
.hist-plot { display: block; width: 100%; height: 84px; }
.hist-lum { fill: var(--text-dim); opacity: 0.38; }
.hist-ch { fill: none; stroke-width: 1.1; }
/* Screen is how the three curves add up like light on a dark panel — but it is
   measured against the backdrop, so on the light theme (a white plot) it
   screens every channel straight to white and the histogram reads as empty. */
[data-theme='dark'] .hist-ch { mix-blend-mode: screen; }
.hist-r { stroke: #ff5a5a; }
.hist-g { stroke: #4ade80; }
.hist-b { stroke: #5aa2ff; }
.hist-axis {
  display: flex; justify-content: space-between;
  padding: 1px 6px 4px;
  font-family: var(--mono); font-size: 9px; color: var(--text-dim);
}
.busy {
  position: absolute;
  inset: auto 0 12px 0;
  margin: 0 auto;
  width: fit-content;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--text-dim);
  box-shadow: var(--shadow);
}
.stage .toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: center; }
/* The photo's own size, first in that row: monospaced so the digits do not
   shuffle the buttons sideways while a crop is being dragged. */
.stage .toolbar .dims { font-family: var(--mono); white-space: nowrap; }
.err { color: var(--danger); font-size: 12px; max-width: 520px; text-align: center; }

/* The stage and, over it, the live viewfinder: the slot they share in the
   workspace. The columns beside it are the app's own — a slider there moves the
   look on the frames the camera is grading right now. */
.stage-slot { flex: 1 1 auto; min-width: 0; display: flex; position: relative; }

/* --- live viewfinder ---------------------------------------------------- */
/* Covers the stage, not the app: black whatever the theme, because a viewfinder
   is something the user looks through, but the tabs stay in reach — that is the
   whole point of framing through the recipe. */
.camera-view {
  position: absolute;
  inset: 0;
  z-index: 5;
  background: #000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 12px;
}
/* The graded frame itself. `object-fit: contain` keeps the whole picture on
   screen at any window shape, which is the composition the export writes. */
.camera-feed {
  flex: 1 1 auto;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  background: #000;
}
.camera-bar,
.camera-deck {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 900px;
}
.camera-bar .hint { color: #a9a9a9; font-family: var(--mono); }
.camera-bar .spacer { flex: 1 1 auto; }
.camera-deck .camera-spacer { width: 44px; }
.camera-err { max-width: 900px; }
/* The <video> the live frames are read from. It has to be IN the document —
   Safari paints blank frames from a detached video — but never seen: 1px, faint
   and out of the way, behind the black backdrop. Not `display: none`: that stops
   the frames as surely as detaching it. */
.camera-source-host {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 1px;
  height: 1px;
  opacity: 0.01;
  overflow: hidden;
  pointer-events: none;
}
.camera-source-host video { width: 1px; height: 1px; }
/* The shutter: the app's one round control, because it is the one control whose
   shape says what it does. */
.shutter {
  width: 62px;
  height: 62px;
  margin: 0 auto;
  padding: 0;
  border: 3px solid #fff;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.65);
  cursor: pointer;
}
.shutter:disabled { opacity: 0.4; cursor: default; }

/* --- auth dialog -------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 60;
  padding: 16px;
}
.modal {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 100%;
  max-width: 360px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.modal h2 { margin: 0; font-size: 17px; }
/* The one row in the export menu that is not a plain button: a number to type
   and the button that takes it. */
.export-custom {
  display: flex;
  align-items: center;
  gap: 8px;
}
.export-custom .field { width: 96px; }

/* --- strip moderation (/admin) ------------------------------------------ */
.adm { height: 100%; overflow-y: auto; padding: 0 22px 40px; }
/* Sticky: the mark and the page name stay in the top-left corner while the
   photo grid scrolls under them, like the studio's header and the landing nav. */
.adm-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 5;
  margin: 0 -22px 16px;
  padding: 12px 22px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-soft);
}
.adm-title { font-size: 15px; letter-spacing: 0.02em; }
/* The mark and the page name, top-left, always a way back to the landing page —
   the same pair the studio's TopBar carries. */
.adm-brand { display: flex; align-items: center; gap: 6px; font-weight: 650; letter-spacing: -0.01em; color: var(--text); text-decoration: none; }
.adm-brand em { font-style: normal; font-weight: 400; color: var(--accent); }
.adm-brand img { border-radius: 8px; }
/* Curating pictures: two album columns of the same shape — the uploads (one
   album per account) and the landing (one album per section). Each column
   lists its albums and then draws the open album's frames. */
.adm-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: start; }
@media (max-width: 1100px) { .adm-cols { grid-template-columns: minmax(0, 1fr); } }
.adm-col { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
/* The filters over the album list: one name box, two pickers. */
.adm-input {
  width: 100%;
  font: inherit;
  font-size: 12px;
  color: var(--text);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
}
.adm-filters { display: flex; gap: 6px; }
.adm-filters .adm-input { min-width: 0; }
/* A shelf of albums: it scrolls on its own so the frames below stay reachable
   however many accounts or sections there are. */
.adm-album-list { display: flex; flex-direction: column; gap: 4px; max-height: 46vh; overflow-y: auto; padding-right: 2px; }
.adm-album {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font: inherit;
  font-size: 12px;
  text-align: left;
  color: var(--text-dim);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 7px 9px;
  cursor: pointer;
}
.adm-album:hover { border-color: var(--accent-line); }
.adm-album.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.adm-album-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.adm-album-count { font-family: var(--mono); font-size: 11px; }
/* One album column: the shelf of albums down the left, the frame that is up
   beside it, the album's strip of thumbnails across the bottom. */
.adm-split { display: grid; grid-template-columns: minmax(150px, 200px) minmax(0, 1fr); gap: 12px; align-items: start; }
.adm-stage {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  padding: 10px;
}
.adm-stage-img { width: 100%; aspect-ratio: 4 / 3; object-fit: contain; border-radius: var(--radius-sm); background: var(--bg-sunken); }
/* The album's strip: thumbnails in one row, scrolled sideways when they
   overflow the column rather than wrapping into a wall of pictures. */
.adm-filmstrip { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.adm-thumb {
  flex: 0 0 132px;
  margin: 0;
  padding: 0;
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-sunken);
  color: var(--text-dim);
}
.adm-thumb:hover { border-color: var(--accent-line); }
.adm-thumb.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.adm-thumb img { display: block; width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.adm-thumb-cap { display: block; padding: 3px 6px; font-family: var(--mono); font-size: 10.5px; }
/* The three destinations sit on one line under the photo, each an independent
   checkbox — tick all three and the photo shows in all three sections. */
.adm-choices { display: flex; flex-wrap: wrap; gap: 5px; }
.adm-choice {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font: inherit;
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 8px;
  cursor: pointer;
  color: var(--text-dim);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.adm-choice:hover { border-color: var(--accent-line); }
.adm-choice:has(input:checked) { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.adm-choice:has(input:disabled) { opacity: 0.5; cursor: default; }
.adm-choice input { margin: 0; accent-color: var(--accent); }
.adm-row-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.adm-row-count { font-family: var(--mono); color: var(--text); }
.adm-row-empty { margin: 0; }
/* The QR section's real artefact is the code, not the photo. Drawn on white:
   a scanner needs the quiet zone, and the dark theme has none. */
.adm-qr { display: flex; align-items: center; justify-content: center; min-height: 88px; padding: 6px; background: #fff; }
.adm-qr img { width: auto; aspect-ratio: 1 / 1; }
.adm-qr span { color: #6b7280; font-size: 10.5px; text-align: center; }
.adm-spacer { flex: 1 1 auto; }
.adm-note { margin: 12px 0; }
.adm-sub { margin: 0 0 14px; }
.adm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.adm-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  padding: 10px;
}
.adm-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-sm); background: var(--bg-sunken); }
/* A frame whose RAW carries no preview of its own: the tile stands in for the
   picture and opens the file just the same. */
.lib-noimg {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background: var(--bg-sunken);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  cursor: pointer;
}
.adm-meta { display: flex; flex-direction: column; gap: 2px; font-size: 11.5px; color: var(--text-dim); min-width: 0; }
.adm-meta b { color: var(--text); font-family: var(--mono); }
.adm-meta span { overflow-wrap: anywhere; }
.adm-danger { color: var(--danger); border-color: var(--border); }
.adm-danger:hover:not(:disabled) { border-color: var(--danger); }

/* The catalogue is one screen and never grows: the frame on the stage, the tree
   beside it, and the strip pinned to the bottom edge. Whatever overflows scrolls
   inside its own panel, so the page itself has no scrollbar to hide the strip
   below the fold. Scoped to `.lib-root` — /admin shares the .adm-* blocks and
   still scrolls as a page. */
.lib-root { display: flex; flex-direction: column; height: 100%; overflow: hidden; padding-bottom: 12px; }
.lib-root .adm-frame { flex: 1 1 auto; min-height: 0; }
.lib-root .adm-pane { display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.lib-root .adm-note { flex: 0 0 auto; }
/* The column: title and the folder's own chips stay put, the split takes what
   is left, the strip keeps its natural height on the bottom. */
.lib-root .adm-col { flex: 1 1 auto; min-height: 0; }
/* The column of folders is a list of names and a count — the stage is the point
   of the screen, so the column takes the least it can and gives the rest away.
   Its width is a variable the divider writes, and the divider itself is the middle
   track, thin enough to read as the seam between the two panels. */
.lib-root .adm-col > .adm-split {
  flex: 1 1 auto;
  min-height: 0;
  align-items: stretch;
  grid-template-columns: var(--lib-col, 118px) 9px minmax(0, 1fr);
  gap: 0;
}
.lib-grip { cursor: col-resize; border-radius: 999px; touch-action: none; }
.lib-grip:hover, .lib-grip:focus-visible { background: var(--accent-soft); outline: none; }
.lib-root .adm-album { padding: 6px 8px; gap: 6px; justify-content: flex-start; }
.lib-root .adm-album-name { flex: 1 1 auto; min-width: 0; }
/* The caret column: pointing right where a row's children are folded away, down
   where they are drawn, and empty on a leaf so names at one depth line up. */
.lib-caret {
  flex: 0 0 auto;
  width: 0;
  height: 0;
  border-left: 4.5px solid currentColor;
  border-top: 3.5px solid transparent;
  border-bottom: 3.5px solid transparent;
  opacity: 0.5;
  transition: transform 0.15s ease;
}
.lib-caret.open { transform: rotate(90deg); }
.lib-caret.leaf { border-left-color: transparent; }
/* A roll being read turns a ring on its own row. */
.lib-spin {
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  border-radius: 999px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  animation: lib-spin 0.7s linear infinite;
}
@keyframes lib-spin { to { transform: rotate(360deg); } }
/* The same ring, out in the header: the reading belongs to this tab, not to a
   screen, so the studio says so too while it runs. */
.lib-scan { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
@media (prefers-reduced-motion: reduce) {
  .lib-spin { animation-duration: 2.4s; }
}
.lib-root .adm-col > .adm-filmstrip { flex: 0 0 auto; }
.lib-root .adm-album-list { max-height: none; flex: 1 1 auto; min-height: 0; }
.lib-root .adm-stage { min-height: 0; overflow: hidden; }
/* The frame fills the stage and the stage fits the window: `object-fit` letterboxes
   it inside that box, so a 3:2 or a 4:3 frame stays whole and never pushes the
   strip off screen. */
.lib-root .adm-stage-img { flex: 1 1 auto; min-height: 0; width: 100%; aspect-ratio: auto; object-fit: contain; }
.lib-root .adm-stage > .lib-noimg { flex: 1 1 auto; min-height: 0; aspect-ratio: auto; }
.lib-root .adm-stage > .adm-meta,
.lib-root .adm-stage > .chip-row { flex: 0 0 auto; }
/* All thumbs: the wall scrolls down inside the stage, and its own scrollbar on
   the right edge is what reaches the frames below. */
.lib-root .adm-grid { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding-right: 6px; }
/* What the thumbnail wall is read through: the four selects and the count of what
   is left. One row above the wall, and it does not scroll with it. */
.lib-filters { flex: 0 0 auto; align-items: center; margin-bottom: 8px; }
.lib-filters .adm-input { width: auto; min-width: 0; padding: 4px 8px; font-size: 12px; }
.lib-filters .hint { margin-left: auto; }
/* The frame's own score: five glyphs, lit up to the score it has. The star the
   click lands on is the score it gives, so the row is the control. */
.lib-stars { display: flex; gap: 1px; align-items: center; }
.lib-star {
  border: 1px solid transparent;
  background: none;
  border-radius: 6px;
  padding: 2px 3px;
  font-size: 15px;
  line-height: 1.1;
  color: var(--text-dim);
  cursor: pointer;
}
.lib-star:hover { border-color: var(--border); }
.lib-star.on { color: var(--accent); }
/* One toolbar, not two rows of chrome: ADD FOLDER, the hint, and the pair of view
   icons. The hint gives up its width first and ellipsises — the whole sentence is
   still there under the pointer. */
.lib-bar { flex: 0 0 auto; align-items: center; margin-bottom: 10px; }
.lib-bar .btn { padding: 5px 10px; font-size: 12.5px; }
.lib-bar-hint { flex: 0 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* The views are a glyph each (a frame, a wall of thumbs), so the row stays a row
   when the window is narrow. */
.lib-icon { padding: 5px 8px; justify-content: center; }
/* A folder's own menu, on a right click. Fixed, so the tree's own scroll cannot
   clip it; the position is clamped to the window when it is drawn. */
.lib-menu {
  position: fixed;
  z-index: 40;
  display: flex;
  flex-direction: column;
  min-width: 170px;
  padding: 4px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.lib-menu-item {
  border: 0;
  border-radius: var(--radius-sm);
  background: none;
  padding: 7px 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-align: left;
  cursor: pointer;
  /* Each command leads with a mark of its own — rename, scan, forget, fold — the
     way the tool rail and the view switch do, so a menu read at a glance is a
     column of marks rather than a block of uppercase. */
  display: flex;
  align-items: center;
  gap: 8px;
}
.lib-menu-icon { flex: 0 0 auto; width: 12px; text-align: center; opacity: 0.85; }
.lib-menu-item:hover:not(:disabled) { background: var(--accent-soft); color: var(--accent); }
.lib-menu-item:disabled { opacity: 0.45; cursor: not-allowed; }

/* Settings drawer: the tabs that organise the page, plus the three panels. */
/* The management frame: a bordered box whose left column is the menu and whose
   right side is the pane for the chosen section. */
.adm-frame {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  overflow: hidden;
}
.adm-side {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 10px;
  border-right: 1px solid var(--border);
  background: var(--bg-sunken);
}
.adm-side-title {
  padding: 0 8px 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.adm-side-item {
  display: block;
  padding: 8px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}
.adm-side-item:hover { background: var(--bg-elev); }
.adm-side-item.on { background: var(--accent); color: var(--accent-fg); font-weight: 600; }
.adm-pane { flex: 1 1 auto; min-width: 0; padding: 14px 16px; }
/* The users table: a frame around every cell, and a head that reads as a head —
   the heading face, smaller and dimmer than the rows under it. The accounts are
   what the eye should land on, so the header steps back. */
.adm-table-wrap { overflow-x: auto; }
.adm-table { border-collapse: collapse; width: 100%; }
.adm-table th,
.adm-table td {
  border: 1px solid var(--border);
  padding: 6px 9px;
  text-align: left;
  vertical-align: middle;
}
.adm-table th {
  background: var(--bg-sunken);
  color: var(--text-dim);
  font-family: var(--font-heading);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.adm-table tbody tr:hover { background: var(--bg-sunken); }
/* The PRO box: one narrow centred column, and a box big enough to aim at. */
.adm-table th.adm-pro,
.adm-table td.adm-pro { width: 1%; text-align: center; white-space: nowrap; }
.adm-table td.adm-pro input { display: block; margin: 0 auto; cursor: pointer; }
.adm-table td.adm-pro input:disabled { cursor: default; }
/* Bulk selection: the three controls above the users table, and the checkbox
   column at its head (narrow so the picture column keeps the width). */
.adm-bulk { display: flex; align-items: center; gap: 8px; margin: 0 0 12px; }
.adm-bulk .btn { margin: 0; }
.adm-check { width: 1%; white-space: nowrap; }
.adm-check input { display: block; cursor: pointer; }
.adm-face {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
}
.adm-face img { display: block; width: 100%; height: 100%; object-fit: cover; }
/* Moderation state next to the account name, and the row's own actions: the
   three controls sit side by side and the pane scrolls when it runs out. */
.adm-badge-warn { margin-left: 6px; color: var(--danger); font-size: 11px; }
.adm-table td:last-child { white-space: nowrap; }
.adm-table td:last-child .btn { margin-right: 6px; }
.adm-form { display: flex; flex-direction: column; gap: 8px; max-width: 360px; }
.field-label { font-size: 11.5px; color: var(--text-dim); }

/* --- profile picture ---------------------------------------------------- */
/* One face for every control that names the signed-in user: the workspace
   TopBar, the landing chip and the profile form. No picture = initial. */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
}
.avatar img { display: block; width: 100%; height: 100%; object-fit: cover; }
.avatar-sm { width: 20px; height: 20px; font-size: 10px; }
.avatar-row { display: flex; align-items: center; gap: 10px; }
.avatar-row .avatar { width: 46px; height: 46px; font-size: 17px; }
.account-btn { display: inline-flex; align-items: center; gap: 7px; }
/* The signed-in name rides the accent with the face beside it. */
.btn.account-btn { color: var(--accent); }

/* --- stats (admin) ------------------------------------------------------- */
/* The traffic screen: one SVG chart and a column of proportional bar lists.
   No charting dependency — a couple of polylines and styled divs are enough. */
.stats-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 0 0 14px; }
.stats-bar .hint { margin: 0; }
.stats-kpis { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 16px; }
.stats-kpi {
  display: flex; flex-direction: column; gap: 2px; min-width: 104px;
  padding: 10px 14px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg-elev);
}
.stats-kpi b { font-size: 22px; font-variant-numeric: tabular-nums; }
.stats-kpi span { font-size: 11px; letter-spacing: 0.06em; color: var(--text-dim); }
.stats-chart {
  display: block; width: 100%; height: 180px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg-sunken);
}
.stats-area { fill: var(--accent); opacity: 0.12; }
.stats-line { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.stats-line-2 { stroke: var(--text-dim); }
.stats-legend { display: flex; gap: 14px; margin: 8px 0 18px; font-size: 11px; color: var(--text-dim); }
.stats-legend i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 5px; vertical-align: middle; }
.stats-axis { margin: 0 0 18px; }
.stats-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px 26px; }
.stats-h { margin: 0 0 8px; font-size: 11px; font-weight: 600; letter-spacing: 0.08em; color: var(--text-dim); }
.stats-list { display: flex; flex-direction: column; gap: 4px; margin: 0; padding: 0; list-style: none; }
.stats-row { display: grid; grid-template-columns: minmax(80px, 34%) 1fr auto; align-items: center; gap: 8px; font-size: 12px; }
.stats-key { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-dim); }
.stats-track { height: 8px; border-radius: 4px; background: var(--bg-sunken); overflow: hidden; }
.stats-track i { display: block; height: 100%; border-radius: 4px; background: var(--accent); }
.stats-n { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* --- studio sidebar (DevelopPanels) ------------------------------------- */
/* Lightroom's right column: every panel's knobs are on screen at once, each
   panel a disclosure that folds its own rows away. Colour comes from the tokens
   only, so a theme or accent change lands here with no rules of its own. */
/* The sidebar (DevelopPanels) draws rows, not chips, so its column is the wide
   one: the same width CREATE RECIPES takes, and the chips that are not knobs
   (AUTO, TONE CURVE) stack over it, wrapped in the column's own .chip-row. */
.col-dev { width: 320px; }
.dev-panels { display: flex; flex-direction: column; gap: 10px; }
.dev-panel { border-top: 1px solid var(--border-soft); padding-top: 8px; }
.dev-panel-head {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%; padding: 0; border: 0; background: transparent;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text); cursor: pointer;
}
.dev-panel-head:hover { color: var(--accent); }
/* The caret is the panel's whole affordance — the head is a line of uppercase
   and says nothing about being a control — so it is drawn larger than the label
   it sits beside, and takes the accent while the pointer is on the head. */
.dev-caret { font-size: 17px; line-height: 1; opacity: 0.75; }
.dev-panel-head:hover .dev-caret { opacity: 1; }
.dev-panel-body { display: flex; flex-direction: column; gap: 10px; padding-top: 8px; }
/* A pick that is a set of its own rather than a row of the panel's: framed and
   named, so the four stops of D.RANGE read as one setting and not as four more
   rows of DETAIL & EFFECTS. No colour rules: the frame is the token's. */
.dev-box { border: 1px solid var(--border-soft); border-radius: var(--radius-sm); padding: 8px; }
.dev-box-title {
  display: block; margin-bottom: 6px;
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-dim);
}
/* A row that cannot be edited at all: a PRO knob on the LITE build. It reads as
   a row, not as a button — the tag is what says the row is not a slider. */
.dev-row { display: flex; flex-direction: column; gap: 4px; }
.dev-row.locked {
  flex-direction: row; align-items: center; gap: 6px;
  width: 100%; padding: 0; border: 0; background: transparent;
  text-align: left; opacity: 0.5; cursor: not-allowed;
}
.dev-pro { font-size: 9px; letter-spacing: 0.08em; color: var(--accent); }
/* WB's two knobs: the track is the hue the value moves towards, the way
   Lightroom's temperature and tint sliders are painted. Everything else keeps
   the plain input's accent color. */
.track-temp, .track-tint {
  height: 4px; border-radius: 999px;
  appearance: none; -webkit-appearance: none;
}
.track-temp { background: linear-gradient(90deg, #3f6fd8, #b9c2cc 50%, #e8a33d); }
.track-tint { background: linear-gradient(90deg, #3f9d55, #b9c2cc 50%, #c04ec4); }
.track-temp::-webkit-slider-thumb, .track-tint::-webkit-slider-thumb {
  appearance: none; -webkit-appearance: none;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--text); border: none; cursor: pointer;
}

/* --- responsive --------------------------------------------------------- */
@media (max-width: 860px) {
  .workspace { flex-direction: column; }
  /* The frame's left column becomes a wrapping row above the pane. */
  .adm-frame { flex-direction: column; }
  .adm-side { flex: 0 0 auto; flex-direction: row; flex-wrap: wrap; border-right: 0; border-bottom: 1px solid var(--border); }
  /* The header wraps on narrow screens, so a menu-wrap can land at the start of
     a row — the popover is right-anchored to its button and would hang off the
     left of the screen (measured: x=-280 of 390px). Anchor it to the full-width
     header instead. */
  /* The bar stays at the top of the screen: the page itself never scrolls (the
     stage does), but the declaration is what makes that a promise rather than a
     coincidence. Sticky, not fixed — a positioned box still anchors the menus. */
  .header { position: sticky; top: 0; z-index: 5; }
  .menu-wrap { position: static; }
  .popover { right: 8px; max-width: calc(100vw - 16px); }
  /* Four labelled buttons — LIBRARY, RESET, SAVE PHOTO, EXPORT — are most of what
     wraps the bar onto a third row on a 390px screen: the row's own content is
     990px wide with the words and 716px with icons, and the bar measured 135px
     tall before this, 88px after. They wear icons instead. Font-size 0 hides the
     text from the paint, not from the DOM: the accessible name each button
     already had is the word that is no longer drawn. */
  .header [data-key="nav-library"],
  .header [data-key="reset-look"],
  .header [data-key="save-photo"],
  .header [data-key="export-photo"] {
    width: 34px;
    height: 30px;
    padding: 0;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
  }
  .header [data-key="nav-library"]::before,
  .header [data-key="reset-look"]::before,
  .header [data-key="save-photo"]::before,
  .header [data-key="export-photo"]::before { font-size: 15px; line-height: 1; }
  /* The count is the label it was hiding in, so the PRO marker goes with it —
     the badge would be a 9px word in a 34px button. */
  .header [data-key="save-photo"] .pro { display: none; }
  .header [data-key="nav-library"]::before { content: '▤'; }
  .header [data-key="reset-look"]::before { content: '⟲'; }
  .header [data-key="save-photo"]::before { content: '⤓'; }
  .header [data-key="export-photo"]::before { content: '↗'; }
  /* --- the phone's workspace ---------------------------------------------
     One strip at a time in the bottom bar: the rail of tabs, or — once a tab
     is picked — that tab's own chips standing in the rail's place (the bar
     never grows a second row, see .strip-open). What sits above the bar is
     built out of the columns themselves, so .chips stops being a box and its
     columns stand in the workspace's own stack, ordered bottom-up: the tab's
     chips in the bar, the open chip's sub-chips over them, the open ruler over
     those, and the photo taking all that is left. */
  .chips { display: contents; }
  .workspace:not(.strip-open) .chips { display: none; }
  .workspace.strip-open .rail { display: none; }
  .stage-slot { order: 0; min-height: 0; }
  .col[data-col="slider"] { order: 1; }
  .col-sub { order: 2; }
  .col-main { order: 3; }
  .rail { order: 4; }

  /* The rail takes the shape the Android app gives it: one scrolling row of
     text pills, no glyph, uppercase mono, the open tab amber. It is the bar at
     the foot of the screen, so it carries the home-indicator inset itself. */
  .rail {
    width: auto;
    flex-direction: row;
    align-items: center;
    gap: 10px;
    border-right: none;
    border-top: 1px solid var(--border-soft);
    overflow-x: auto;
    overflow-y: hidden;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    scrollbar-width: none;
  }
  .rail::-webkit-scrollbar { display: none; }
  /* The column is a row here, and the row is the tabs: a build name at its foot
     would sit past the end of a line that already scrolls. It goes. */
  .rail-version { display: none; }
  /* A pill the thumb can actually hit: 10px/8x12 rendered ~28px tall, under half
     a finger. The floor is now a 44px target and the label steps up with it. */
  .rail button {
    flex: 0 0 auto;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-sunken);
    padding: 0 16px;
    font-family: var(--mono);
    font-weight: 700;
    letter-spacing: 0.1em;
    font-size: 12px;
    text-transform: uppercase;
  }
  .rail button .glyph { display: none; }
  .rail button[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent-line); }

  .col {
    width: auto;
    padding: 8px;
    gap: 6px;
    overflow: visible;
    border-right: none;
  }
  /* One chip per line is the desktop column's shape; a phone wants the row. */
  .col .chip-row { flex-direction: row; align-items: center; }
  .col .chip { text-align: center; }
  .col-slider, .col-create { width: auto; }

  /* --- the tab's own chips: the bottom bar -------------------------------- */
  /* A strip reads across, never down: what does not fit scrolls sideways, so
     the bar keeps exactly one chip's height whatever the tab holds. */
  .col-main {
    flex-direction: row;
    align-items: center;
    gap: 6px;
    max-height: 46vh;
    overflow-x: auto;
    overflow-y: hidden;
    background: var(--bg);
    border-top: 1px solid var(--border-soft);
    /* No inset here any more: the path under the strip (.crumb) is the last
       line of the phone's stack now, so it carries the home indicator. */
    padding: 6px 8px;
  }
  /* The strip is as wide as its chips and the bar scrolls: a row that was
     allowed to shrink would squeeze under its own contents and the chips would
     paint over the ones beside them. */
  .col-main > *, .col-sub:not(.wm-extra) > * { flex: 0 0 auto; }
  .col-main:not(.col-create) .chip-row { flex-wrap: nowrap; }
  .col-main .chip { flex: 0 0 auto; }
  /* The rule a strip is read across runs the other way here: in a row of chips
     it divides the line, it does not break it. */
  .col-main .chip-rule { flex: 0 0 auto; width: 1px; height: 18px; margin: 0 3px; }
  /* RESET is ruled off the tab's chips at the foot of a desktop column; in the
     bar the rule moves to their side. The topbar's RESET already covers every
     other tab (it and this row call the same reset), so the row only survives
     where the button does something the topbar's does not: CREATE's form. */
  .reset-row { display: none; }
  .col-create .reset-row { display: block; margin: 0; padding: 0 0 0 8px; border-top: none; border-left: 1px solid var(--border); }
  /* CREATE's form is not a strip of chips: it keeps the column's shape and
     scrolls down instead of across, in the bar's place. */
  .col-main.col-create {
    flex-direction: column;
    align-items: stretch;
    overflow-x: hidden;
    overflow-y: auto;
  }
  /* LIGHT is a strip of chips like any other tab, and its chips are its four
     panels — so the widths of the panels' heads come off and the row stands in
     the wrapper's place, exactly as .chips itself stands in its columns'. */
  .col-dev .dev-chips { display: contents; }
  .col-dev .dev-panels { display: none; }

  /* --- the way back up: the path under the strip -------------------------- */
  /* TABS > LIGHT > WB. The bar is as deep as the visitor walked, so the bar's
     own chips cannot say it; the path can, and each name in it returns to the
     strip it names. It is the last line of the stack, so it, not the strip,
     carries the home indicator. */
  .crumb {
    order: 5;
    display: flex;
    align-items: center;
    gap: 6px;
    overflow-x: auto;
    padding: 0 10px calc(6px + env(safe-area-inset-bottom));
    background: var(--bg);
    border-top: 1px solid var(--border-soft);
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
  }
  .crumb::-webkit-scrollbar { display: none; }
  .crumb-part { display: inline-flex; align-items: center; gap: 6px; flex: 0 0 auto; }
  .crumb-sep { opacity: 0.5; }
  /* A name in the path is a button wherever a strip answers to it, and plain
     where the visitor already stands. */
  .crumb-btn, .crumb-here { padding: 6px 2px; }
  .crumb-btn {
    border: 0;
    background: none;
    font: inherit;
    letter-spacing: inherit;
    text-transform: inherit;
    color: var(--text-dim);
    cursor: pointer;
  }
  .crumb-btn:hover { color: var(--text); }
  .crumb-here { color: var(--accent); }

  /* --- the strip a chip opens takes the bar -------------------------------- */
  /* One strip at a time, as on the rail: a chip that opens a strip of its own
     takes the bar with it, and the tab's own chips stand down. The way back to
     them is the path under the bar (.crumb), which names the strip they are —
     so a second row of chips over the first would only repeat where the finger
     already is, and charge the photo a row for it while a knob is being moved.
     Only the two columns that ARE a strip a chip opened displace the bar: the
     RECIPES list, a photo's history and the mask's own column are an open
     chip's content, not the strip its chip opened, and they keep the bar in
     sight under them. Both wear the bar's slot and the bar's own skin, not the
     sub-column's — this row IS the bar now. */
  .col-sub[data-col="options"], .col-sub[data-col="wm"] {
    order: 3;
    background: var(--bg);
    max-height: 46vh;
  }
  /* A watermark's column is not a row of chips: it keeps the column's shape in
     the slot, with the bar's rule over it and the same ceiling. */
  .col-sub[data-col="wm"] { border-top: 1px solid var(--border-soft); overflow-y: auto; }
  .workspace:has(.chips > .col-sub[data-col="options"]) .col-main,
  .workspace:has(.chips > .col-sub[data-col="wm"]) .col-main { display: none; }

  /* --- a chip's own sub-chips: the tiles the strip is drawn as ------------- */
  .col-sub:not(.wm-extra) {
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    border-top: 1px solid var(--border-soft);
    overflow-x: auto;
    overflow-y: hidden;
  }
  .col-sub:not(.wm-extra) .chip-row { flex-wrap: nowrap; }
  /* A sub-chip whose options are buttons wears them as tiles — a mark over a
     short name, in a bordered square — the way an icon set is read on a phone.
     A list of NAMES (the recipes, a frame's history) keeps the pill: there the
     name is the whole point and a square would cut it off. */
  .col-sub[data-col="options"] .chip,
  .col-sub[data-col="mask"] .chip {
    position: relative;
    flex: 0 0 auto;
    width: 60px;
    height: 60px;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    padding: 4px 3px;
    border-radius: var(--radius-sm);
  }
  .chip-icon { display: block; font-family: var(--mono); font-size: 13px; font-weight: 700; color: var(--text-dim); }
  .col-sub .chip.on .chip-icon { color: inherit; }
  .col-sub[data-col="options"] .chip .chip-label,
  .col-sub[data-col="mask"] .chip .chip-label {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 9px;
    letter-spacing: 0.04em;
  }
  /* PRO is a mark on the corner of the tile, not a third line in it. */
  .col-sub[data-col="options"] .chip .pro,
  .col-sub[data-col="mask"] .chip .pro { position: absolute; top: 2px; right: 3px; font-size: 7px; }
  /* The strip's own name is a heading, not a pick: it keeps the leading edge of
     the line and drops the button around it. */
  .col-sub .chip[data-key^="hint-"] {
    width: auto;
    height: auto;
    padding: 0 4px 0 0;
    border: 0;
    background: none;
    opacity: 1;
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.1em;
    color: var(--text-dim);
  }

  /* --- the open ruler: the row over those -------------------------------- */
  /* A ruler is the photo's own scale, not a panel: no box, no fill, just the
     ticks. They are drawn in the theme's own ink — dark on the light theme,
     light on the dark — at two weights, a finer mark every eighth of the track
     and a heavier one every fourth. */
  .col[data-col="slider"] {
    width: auto;
    padding: 2px 8px 6px;
    background: none;
    border: 0;
  }
  .col[data-col="slider"] .slider-row {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 0;
    border: 0;
    background: none;
  }
  .col[data-col="slider"] input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    height: 22px;
    background: none;
  }
  /* One rule per engine: a grouped selector that names a pseudo-element the
     engine does not know — `-moz-range-track` in Chromium — is dropped whole,
     and the ticks went with it (measured: no track at all). */
  .col[data-col="slider"] input[type="range"]::-webkit-slider-runnable-track {
    height: 22px;
    background-color: transparent;
    background-image:
      repeating-linear-gradient(90deg, var(--tick-strong) 0 1px, transparent 1px 32px),
      repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 8px);
  }
  .col[data-col="slider"] input[type="range"]::-moz-range-track {
    height: 22px;
    background-color: transparent;
    background-image:
      repeating-linear-gradient(90deg, var(--tick-strong) 0 1px, transparent 1px 32px),
      repeating-linear-gradient(90deg, var(--tick) 0 1px, transparent 1px 8px);
  }
  .col[data-col="slider"] input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 3px;
    height: 22px;
    border: 0;
    border-radius: 1px;
    background: var(--accent);
  }
  .col[data-col="slider"] input[type="range"]::-moz-range-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 3px;
    height: 22px;
    border: 0;
    border-radius: 1px;
    background: var(--accent);
  }
  /* The row under the photo wears its icons on a phone. Six labelled buttons wrap
     to three lines (measured 141px, 17% of an 844px screen) and take the height
     the picture is trying to use; the labels are what wraps, so the labels go —
     out of the paint, not out of the button, which keeps the accessible name it
     always had. The hint at the end of the row follows them out: it is a
     sentence, and a sentence was most of the wrapping. */
  .stage .toolbar { gap: 5px; }
  .stage .toolbar .btn {
    width: 34px;
    height: 30px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
  }
  .stage .toolbar .btn::before { font-size: 14px; line-height: 1; }
  .stage .toolbar .btn .pro { display: none; }
  .stage .toolbar .hint:not(.dims) { display: none; }
  .stage .toolbar [data-key="clear-photo"]::before { content: '✕'; }
  .stage .toolbar [data-key="open-photo"]::before { content: '↻'; }
  .stage .toolbar [data-key="open-camera"]::before { content: '◉'; }
  .stage .toolbar [data-key="save-original"]::before { content: '⤓'; }
  .stage .toolbar [data-key="compare-toggle"]::before { content: '◐'; }
  .stage .toolbar [data-key="hist-toggle"]::before { content: '▥'; }
  /* The crop frame's four corner nodes. The square stays 16px — that is the size
     a corner reads at — but a finger is ~44, so the touch target grows inward
     from the node's own centre: the half that would grow outward is the photo's
     own edge, which the layer clips anyway (measured before this: a node was
     9x16px to a touch, and a thumb a few pixels off it landed on the rect and
     MOVED the frame instead of resizing it). The drag maths reads the pointer
     against the photo, not against the node, so a larger target does not shift
     the corner. */
  .crop-handle::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 44px;
    height: 44px;
    transform: translate(-50%, -50%);
  }
}