/* Logo editor. Tokens, fonts and the nav come from ../css/main.css.
 *
 * The shell is an instrument, not a document: the page itself never scrolls.
 * A fixed three-row grid gives the artwork every pixel the controls are not
 * using, so the mark is on screen while it is being edited and the export
 * action is always one tap away.
 */

html.editor-lock,
html.editor-lock body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

.editor {
  /* Gold reads beautifully on the dark ground but drops to 2.6:1 on cream, so
   * the light theme gets a deeper bronze for the same job. Both clear AA. */
  --label: var(--accent-soft);
  --tool-active: var(--surface-strong);
  height: 100dvh;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  background: var(--page-bg);
  color: var(--text);
}

[data-theme="light"] .editor {
  --label: #8a5a12;
  --tool-active: rgba(196, 30, 58, 0.12);
}

/* Room for the fixed site nav, which floats over this row. */
.nav-gutter {
  height: calc(var(--safe-t) + 3.9rem);
}

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

.stage {
  min-height: 0;
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  justify-items: center;
  padding: 0 var(--space-4) var(--space-3);
}

/* Caption and status travel with the artwork, so the whole block sits
 * optically centred in whatever room is left rather than drifting apart. */
.stage-frame {
  min-height: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.stage-caption {
  display: grid;
  justify-items: center;
  gap: var(--space-1);
  width: 100%;
}

.artboard {
  position: relative;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
  touch-action: none;
  cursor: grab;
  overflow: hidden;
}

.artboard.is-dragging {
  cursor: grabbing;
}

/* transparency chequer, drawn under the artwork */
.artboard[data-transparent="true"] {
  background-color: #f4f0e8;
  background-image:
    linear-gradient(45deg, #d8d2c6 25%, transparent 25%, transparent 75%, #d8d2c6 75%),
    linear-gradient(45deg, #d8d2c6 25%, transparent 25%, transparent 75%, #d8d2c6 75%);
  background-size: 22px 22px;
  background-position: 0 0, 11px 11px;
}

.artboard svg {
  position: absolute;
  display: block;
  pointer-events: none;
}

.stage-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--space-3);
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  color: var(--text-muted);
  margin: 0;
}

.stage-sep {
  width: 3px;
  height: 3px;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.5;
}

/* One line does for both: a message when there is one, the gesture hint when
 * there is not. Stacking them keeps the artwork from shifting either way. */
.stage-foot {
  display: grid;
  width: 100%;
}

.stage-foot > * {
  grid-area: 1 / 1;
}

.stage-status,
.stage-hint {
  margin: 0;
  min-height: 1.15rem;
  font-size: 0.78rem;
  text-align: center;
  color: var(--label);
}

.stage-status[data-tone="error"] {
  color: #ffb4a8;
}

.stage-hint {
  color: var(--text-muted);
  opacity: 0.86;
  transition: opacity 260ms ease;
}

.stage-hint[data-spent="true"] {
  opacity: 0;
}

/* While a tool is open the hint has done its job; the line it was holding
 * goes back to the artwork, and a real message can still take it. */
body.is-editing .stage-hint {
  display: none;
}

body.is-editing .stage-status:empty {
  min-height: 0;
}

/* ---------- tray: sheet + dock ---------- */

.tray {
  display: grid;
  padding: 0 var(--space-3) calc(var(--safe-b) + var(--space-3));
  gap: var(--space-2);
  justify-items: center;
}

/* The open sheet takes height from the stage rather than covering it, so the
 * artwork shrinks to make room instead of hiding under the controls. The
 * height is animated in JS from a measurement, which is the one way this
 * stays exact whatever the sheet contains. */
.sheet-wrap {
  width: min(100%, 40rem);
  height: 0;
  overflow: hidden;
  transition: height 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.sheet-wrap.is-settled {
  overflow: visible;
}

/* focused only to move the keyboard into the panel; the title says where you are */
.sheet:focus {
  outline: none;
}

.sheet-card {
  border-radius: 1.15rem;
  border: 1px solid var(--border-soft);
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.sheet-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--border-soft);
}

.sheet-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.76rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--label);
}

.sheet-done {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--heading);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.86rem;
  min-height: 2.25rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  cursor: pointer;
}

.sheet-done:focus-visible,
.dock-btn:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

/* The sheet may take at most two thirds of the window minus the fixed chrome,
 * which leaves the artwork a floor of roughly a third at every height. Past
 * that the sheet scrolls inside itself; the dock and Export never move. */
.sheet-body {
  padding: var(--space-4);
  max-height: min(44dvh, calc(66dvh - 15.5rem));
  overflow-y: auto;
  overscroll-behavior: contain;
}

.group {
  display: grid;
  gap: var(--space-4);
}

.group[hidden] {
  display: none;
}

/* ---------- dock ---------- */

.dock {
  width: min(100%, 40rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr) 1.35fr;
  align-items: stretch;
  gap: 0.35rem;
  padding: 0.35rem;
  border-radius: 1.15rem;
  border: 1px solid var(--border-soft);
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
}

.dock-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.68rem;
  letter-spacing: 0.01em;
  line-height: 1;
  min-height: 3.25rem;
  padding: 0.4rem 0.2rem;
  border-radius: 0.9rem;
  cursor: pointer;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 0.32rem;
  transition: background-color 160ms ease, color 160ms ease;
}

.dock-btn svg {
  width: 1.3rem;
  height: 1.3rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.dock-btn svg .fill {
  fill: currentColor;
  stroke: none;
}

.dock-btn span {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dock-btn[aria-expanded="true"] {
  background: var(--tool-active);
  color: var(--heading);
}

.dock-btn--primary {
  background: var(--accent);
  color: #1a0b0e;
}

[data-theme="light"] .dock-btn--primary {
  background: var(--cherry-600);
  color: #fff8ec;
}

.dock-btn--primary[aria-expanded="true"] {
  background: var(--accent-soft);
  color: #1a0b0e;
}

[data-theme="light"] .dock-btn--primary[aria-expanded="true"] {
  background: var(--cherry-800);
  color: #fff8ec;
}

/* ---------- fields ---------- */

/* .row and friends set a display, which would otherwise beat [hidden] */
[hidden] {
  display: none !important;
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field > label:not(.well):not(.stack),
.field > .field-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--label);
}

.field-note {
  margin: 0;
  font-size: 0.76rem;
  color: var(--text-muted);
  opacity: 0.88;
  line-height: 1.45;
}

.seg--full {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  width: 100%;
}

.seg--full button {
  min-width: 0;
  min-height: 2.35rem;
}

/* colourways: one horizontal run, so no vertical space is spent on choice */
.swatches {
  display: flex;
  align-items: start;
  gap: var(--space-3);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
}

.swatches::-webkit-scrollbar {
  display: none;
}

.swatch {
  appearance: none;
  border: 0;
  background: transparent;
  padding: 0;
  flex: 0 0 auto;
  width: 3.9rem;
  display: grid;
  justify-items: center;
  gap: 0.4rem;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.66rem;
  font-weight: 700;
  line-height: 1.15;
  text-align: center;
  cursor: pointer;
  scroll-snap-align: start;
}

/* a miniature of the mark itself: ring ramp outside, disc ramp inside, so the
 * choice shows what it will do rather than naming four hex values */
.swatch .chips {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  border: 2px solid transparent;
  box-shadow: 0 0 0 1px var(--border-soft);
  transition: box-shadow 160ms ease;
}

.swatch-label {
  display: block;
  min-height: 2.3em;
}

.swatch[aria-pressed="true"] {
  color: var(--heading);
}

.swatch[aria-pressed="true"] .chips {
  border-color: var(--nav-bg);
  box-shadow: 0 0 0 2px var(--accent);
}

.swatch:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 3px;
  border-radius: 0.6rem;
}

/* colour pickers: five wells on one line */
.wells {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
}

.well {
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  font-size: 0.66rem;
  line-height: 1.15;
  text-align: center;
  color: var(--text-muted);
  cursor: pointer;
}

.well input[type="color"] {
  appearance: none;
  width: 2.4rem;
  height: 2.4rem;
  padding: 0;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  background: transparent;
  cursor: pointer;
}

.well input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.well input[type="color"]::-webkit-color-swatch {
  border: 0;
  border-radius: 999px;
}

.well input[type="color"]::-moz-color-swatch {
  border: 0;
  border-radius: 999px;
}

.bg-row {
  display: grid;
  gap: var(--space-2);
}

.well--wide {
  grid-template-columns: 2.4rem 1fr;
  justify-items: start;
  align-items: center;
  gap: var(--space-2);
  text-align: left;
}

.stack {
  display: grid;
  gap: 0.3rem;
  font-size: 0.72rem;
  color: var(--text-muted);
}

select,
input[type="number"] {
  width: 100%;
  min-height: 2.6rem;
  padding: 0.4rem 0.6rem;
  border-radius: 0.7rem;
  border: 1px solid var(--border-soft);
  background: var(--surface-strong);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.88rem;
}

select:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

.slider {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.9rem;
  align-items: center;
  gap: var(--space-3);
}

input[type="range"] {
  width: 100%;
  min-height: 2.25rem;
  accent-color: var(--accent);
}

.slider-value {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  padding: 0.5rem 1rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #1a0b0e;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  text-decoration: none;
}

.btn--wide {
  width: 100%;
}

[data-theme="light"] .btn {
  background: var(--cherry-600);
  color: #fff8ec;
}

.btn--ghost,
[data-theme="light"] .btn--ghost {
  background: transparent;
  color: var(--heading);
  border: 1px solid var(--border);
}

.btn:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 2px;
}

.btn[disabled] {
  opacity: 0.5;
  cursor: progress;
}

/* ---------- wider screens ----------
 * Same instrument, more air: the dock and sheet stay a centred island and the
 * artwork keeps the rest of the window. Nothing moves to a second model.
 */

@media (min-width: 48rem) {
  .stage {
    padding: 0 var(--space-6) var(--space-4);
  }

  .tray {
    padding: 0 var(--space-4) calc(var(--safe-b) + var(--space-5));
    gap: var(--space-3);
  }

  .sheet-body {
    padding: var(--space-5);
    max-height: 40dvh;
  }

  .dock-btn {
    font-size: 0.76rem;
    min-height: 3.5rem;
  }

  .dock-btn svg {
    width: 1.45rem;
    height: 1.45rem;
  }

  .swatches {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    overflow: visible;
  }

  .swatch {
    width: auto;
    font-size: 0.7rem;
  }

  .swatch .chips {
    width: 3.1rem;
    height: 3.1rem;
  }

  .well {
    font-size: 0.72rem;
  }

  .well input[type="color"] {
    width: 2.75rem;
    height: 2.75rem;
  }

  .bg-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 14rem);
    align-items: center;
  }

  .stage-meta,
  .stage-status,
  .stage-hint {
    font-size: 0.82rem;
  }
}

@media (min-width: 64rem) {
  .sheet-wrap,
  .dock {
    width: min(100%, 58rem);
  }

  .stage {
    padding: 0 var(--space-6) var(--space-5);
  }
}

/* Wide windows have width to spare, so the bottom tray lays a sheet's fields
 * out side by side: shorter tray, bigger artwork. Short windows use the side
 * tray below instead, where the sheet is narrow and stays stacked. */
@media (min-width: 64rem) and (min-height: 35rem) {
  .group {
    grid-auto-flow: column;
    grid-auto-columns: minmax(0, 1fr);
    align-items: start;
    gap: var(--space-6);
  }

  .group[data-group="colour"] {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  }

  .group[data-group="export"] {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
  }

  .swatches {
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .swatch .chips {
    width: 2.6rem;
    height: 2.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sheet-wrap,
  .artboard,
  .stage-hint,
  .dock-btn,
  .swatch .chips {
    transition: none;
  }
}

/* Short windows: trim the chrome, never the artwork. */
@media (max-height: 34rem) {
  .nav-gutter {
    height: calc(var(--safe-t) + 3.2rem);
  }

  .stage {
    padding-bottom: var(--space-2);
  }

  /* the gesture hint goes; a real message still has somewhere to appear */
  .stage-hint {
    display: none;
  }

  .stage-status:empty {
    min-height: 0;
  }

  .dock-btn {
    min-height: 2.6rem;
    font-size: 0.66rem;
    gap: 0.22rem;
  }

  .dock-btn svg {
    width: 1.1rem;
    height: 1.1rem;
  }

  .sheet-head {
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
  }

  .sheet-body {
    padding: var(--space-3);
    max-height: min(50dvh, calc(70dvh - 9rem));
  }

  .tray {
    gap: var(--space-1);
    padding-bottom: calc(var(--safe-b) + var(--space-2));
  }
}

/* A landscape phone has width to spare and almost no height, so the tray moves
 * to the side. Same object, same rules: nothing scrolls to be reached, the
 * artwork keeps the rest. */
@media (max-height: 34rem) and (min-width: 40rem) {
  .editor {
    grid-template-rows: auto minmax(0, 1fr);
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .nav-gutter {
    grid-column: 1 / -1;
  }

  .stage {
    grid-column: 1;
    grid-row: 2;
    padding: 0 var(--space-3) var(--space-3) var(--space-4);
  }

  .tray {
    grid-column: 2;
    grid-row: 2;
    width: auto;
    grid-template-columns: auto auto;
    align-items: stretch;
    gap: var(--space-2);
    padding: 0 var(--space-3) var(--space-3) 0;
  }

  /* height is the bottom tray's business; here the sheet is simply there or not */
  .sheet-wrap {
    width: 20rem;
    height: auto !important;
    align-self: stretch;
    display: flex;
  }

  body:not(.is-editing) .sheet-wrap {
    display: none;
  }

  .sheet,
  .sheet-card {
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
  }

  .sheet-body {
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
  }

  .dock {
    width: auto;
    grid-template-columns: none;
    grid-auto-rows: 1fr;
    align-content: center;
  }

  .dock-btn {
    width: 4.6rem;
  }

  .group {
    grid-auto-flow: row;
    grid-template-columns: none;
    gap: var(--space-4);
  }

  .swatches {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    gap: var(--space-3);
  }

  .swatch {
    width: 3.9rem;
  }

  .swatch .chips {
    width: 2.75rem;
    height: 2.75rem;
  }

  .bg-row {
    grid-template-columns: none;
  }
}