/* Application layout on top of the glass primitives. */

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', system-ui, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: #05070c;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* animated aurora backdrop that the glass refracts */
#backdrop {
  position: fixed;
  inset: -12%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(46% 42% at 18% 22%, rgba(56, 132, 255, 0.30), transparent 62%),
    radial-gradient(40% 40% at 82% 18%, rgba(168, 85, 247, 0.26), transparent 62%),
    radial-gradient(52% 48% at 72% 84%, rgba(20, 184, 166, 0.22), transparent 64%),
    radial-gradient(38% 38% at 28% 88%, rgba(244, 114, 182, 0.16), transparent 62%),
    linear-gradient(155deg, #070a12, #0a0d18 45%, #06080f);
  filter: saturate(125%);
  animation: drift 46s ease-in-out infinite alternate;
}

@keyframes drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(2.2%, -1.6%, 0) scale(1.06); }
  100% { transform: translate3d(-1.8%, 2%, 0) scale(1.03); }
}

#app {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  height: 100%;
  gap: 10px;
  padding: 10px;
}

/* ---------- top bar ---------- */

#topbar {
  position: relative;
  z-index: 50; /* keeps open menus above the options bar */
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--r-md);
  min-height: 50px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-right: 4px;
  font-weight: 600;
  letter-spacing: 0.015em;
  white-space: nowrap;
}

.brand .mark {
  width: 24px;
  height: 24px;
  display: block;
  border-radius: 7px;
  filter: drop-shadow(0 0 10px rgba(90, 200, 250, 0.45));
}

.brand .name {
  font-size: 14px;
  letter-spacing: 0.005em;
}

.doc-title {
  margin-left: 2px;
  color: var(--text-dim);
  font-size: 12px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spacer {
  flex: 1;
}

/* menu buttons */
.menu-root {
  position: relative;
}

.menu-pop {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 90;
  min-width: 234px;
  max-height: calc(100vh - 90px);
  overflow-y: auto;
  padding: 6px;
  border-radius: var(--r-md);
  transform-origin: top left;
  animation: popIn 0.2s var(--ease-liquid);
}

.menu-pop.right {
  left: auto;
  right: 0;
  transform-origin: top right;
}

@keyframes popIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 7px 10px;
  border: none;
  border-radius: var(--r-xs);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 12.5px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s var(--ease);
}

.menu-item:hover:not([disabled]) {
  background: rgba(255, 255, 255, 0.13);
}

.menu-item[disabled] {
  opacity: 0.34;
  cursor: default;
}

.menu-item .key {
  margin-left: auto;
  padding-left: 16px;
  color: var(--text-faint);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.menu-item .icon {
  width: 16px;
  height: 16px;
  opacity: 0.8;
}

.menu-title {
  padding: 8px 10px 4px;
  color: var(--text-faint);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

/* ---------- options bar ---------- */

#optionsbar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 6px 12px;
  border-radius: var(--r-md);
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}

#optionsbar .tool-name {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 2px;
  font-weight: 560;
  font-size: 12.5px;
}

.opt {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  flex: none;
}

.opt .glabel {
  text-transform: none;
  font-size: 11.5px;
  letter-spacing: 0;
}

.opt input[type='range'] {
  width: 108px;
}

.opt .num {
  width: 52px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.opt .val {
  min-width: 34px;
  text-align: right;
  color: var(--text-dim);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

/* ---------- main area ---------- */

#main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  min-height: 0;
}

/* tool rail */
#toolrail {
  display: flex;
  flex-direction: column;
  gap: 3px;
  align-items: center;
  padding: 7px 6px;
  border-radius: var(--r-lg);
  overflow-y: auto;
  overflow-x: visible;
}

#toolrail .gbtn {
  width: 34px;
  height: 34px;
  min-height: 0;
  padding: 0;
  border-radius: 12px;
  flex: none;
}

#toolrail .gbtn .icon {
  width: 19px;
  height: 19px;
}

#toolrail .gdivider.h {
  margin: 3px 0;
  flex: none;
}

/* tooltip: one floating element, positioned in viewport space by tooltip.js */
.tooltip {
  position: fixed;
  z-index: 500;
  left: 0;
  top: 0;
  max-width: 264px;
  padding: 7px 11px;
  border-radius: 11px;
  background: rgba(16, 20, 30, 0.92);
  backdrop-filter: blur(16px) saturate(170%);
  -webkit-backdrop-filter: blur(16px) saturate(170%);
  box-shadow:
    0 12px 30px -10px rgba(0, 0, 0, 0.85),
    inset 0 0 0 1px rgba(255, 255, 255, 0.13),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  color: var(--text);
  pointer-events: none;
  opacity: 0;
  transform: scale(0.96);
  transition:
    opacity 0.14s var(--ease),
    transform 0.2s var(--ease-liquid);
}

.tooltip.visible {
  opacity: 1;
  transform: scale(1);
}

/* slide in from the side it is anchored to */
.tooltip[data-side='right']:not(.visible) { transform: translateX(-4px) scale(0.96); }
.tooltip[data-side='left']:not(.visible) { transform: translateX(4px) scale(0.96); }
.tooltip[data-side='below']:not(.visible) { transform: translateY(-4px) scale(0.96); }
.tooltip[data-side='above']:not(.visible) { transform: translateY(4px) scale(0.96); }

.tip-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tip-title {
  font-size: 12px;
  font-weight: 560;
  white-space: nowrap;
}

.tip-key {
  margin-left: auto;
  padding: 1px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 10.5px;
  color: var(--text-dim);
  white-space: nowrap;
}

.tip-desc {
  margin-top: 3px;
  max-width: 240px;
  color: var(--text-dim);
  font-size: 11.5px;
  line-height: 1.45;
}

/* canvas stage */
#stage {
  position: relative;
  min-width: 0;
  min-height: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 20px 60px -22px rgba(0, 0, 0, 0.85);
  background: rgba(4, 6, 11, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

#viewcanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
}

/* language switch */
.lang-btn {
  gap: 5px;
  padding: 0 10px;
  font-size: 12px;
  font-weight: 560;
}

.lang-btn .icon {
  width: 15px;
  height: 15px;
  opacity: 0.8;
}

#lang-label {
  min-width: 17px;
  text-align: center;
  letter-spacing: 0.02em;
}

/* Chinese renders better with a slightly larger UI face */
:root[data-locale='zh'] body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', 'Noto Sans CJK SC', 'Source Han Sans SC', system-ui, sans-serif;
}

:root[data-locale='zh'] .glabel,
:root[data-locale='zh'] .panel-head,
:root[data-locale='zh'] .help-section h3 {
  letter-spacing: 0.01em;
  text-transform: none;
}

/* zoom cluster in the top bar */
#zoomgroup {
  display: flex;
  align-items: center;
  gap: 2px;
}

#zoomgroup .gbtn {
  font-size: 15px;
  line-height: 1;
}

#zoomgroup .zval {
  min-width: 58px;
  padding: 0 6px;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--text-dim);
}

#zoomgroup .zval:hover {
  color: var(--text);
}

/* navigator */
#navigator {
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 5;
  padding: 6px;
  border-radius: var(--r-md);
  transition: border-radius 0.25s var(--ease);
}

.nav-head {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  padding: 3px 5px 5px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

.nav-head:hover {
  color: var(--text);
}

.nav-head .icon {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

.nav-head .chev {
  margin-left: auto;
  transition: transform 0.28s var(--ease-liquid);
  opacity: 0.65;
}

#navigator.collapsed {
  border-radius: var(--r-sm);
}

#navigator.collapsed .nav-head {
  padding-bottom: 3px;
}

#navigator.collapsed .chev {
  transform: rotate(-90deg);
}

#navigator.collapsed .nav-body {
  display: none;
}

.nav-view {
  position: relative;
  border-radius: var(--r-xs);
  overflow: hidden;
  cursor: crosshair;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
  touch-action: none;
}

.nav-view.dragging {
  cursor: grabbing;
}

.nav-view canvas {
  display: block;
  image-rendering: pixelated;
}

.nav-rect {
  position: absolute;
  pointer-events: none;
  border: 1.5px solid rgba(120, 200, 255, 0.95);
  border-radius: 2px;
  background: rgba(120, 200, 255, 0.12);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.45), 0 0 12px -2px var(--accent-glow);
}

/* right dock */
#dock {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 268px;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
}

.panel {
  display: flex;
  flex-direction: column;
  border-radius: var(--r-md);
  overflow: hidden;
  min-height: 0;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  flex: none;
}

.panel-head .icon {
  width: 15px;
  height: 15px;
  opacity: 0.75;
}

.panel-head .chev {
  margin-left: auto;
  transition: transform 0.28s var(--ease-liquid);
  opacity: 0.6;
}

.panel.collapsed .chev {
  transform: rotate(-90deg);
}

.panel.collapsed .panel-body {
  display: none;
}

.panel-body {
  padding: 4px 12px 12px;
  overflow-y: auto;
  min-height: 0;
}

.panel.flex {
  flex: 1 0 auto;
  min-height: 208px;
}

/* panels keep their natural height; the dock scrolls when space runs out */
.panel:not(.flex) {
  flex: none;
}

/* ---------- color panel ---------- */

.color-top {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

#sv-area {
  position: relative;
  width: 100%;
  height: 116px;
  border-radius: var(--r-sm);
  cursor: crosshair;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14), 0 3px 12px -6px rgba(0, 0, 0, 0.7);
  touch-action: none;
}

#sv-area .thumb,
#hue-strip .thumb,
#alpha-strip .thumb {
  position: absolute;
  width: 13px;
  height: 13px;
  margin: -6.5px 0 0 -6.5px;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #fff, 0 0 0 3.5px rgba(0, 0, 0, 0.45), 0 2px 6px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.strip {
  position: relative;
  height: 13px;
  margin-top: 10px;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.14);
  touch-action: none;
}

.strip .thumb {
  top: 50%;
  margin-top: -6.5px;
  z-index: 2;
}

/* solid/gradient layer painted over a checkerboard base */
.fill {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  z-index: 1;
  pointer-events: none;
}

#hue-strip {
  background: linear-gradient(90deg, #f00, #ff0, #0f0, #0ff, #00f, #f0f, #f00);
}

.checker {
  background-image:
    linear-gradient(45deg, rgba(255, 255, 255, 0.16) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.16) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.16) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.16) 75%);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
  background-color: rgba(0, 0, 0, 0.35);
}

.swatch-pair {
  position: relative;
  width: 58px;
  height: 58px;
  flex: none;
}

.swatch-pair .sw {
  position: absolute;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  cursor: pointer;
  box-shadow:
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.35),
    0 4px 12px -4px rgba(0, 0, 0, 0.75);
  transition: transform 0.2s var(--ease-liquid);
}

.swatch-pair .sw .fill {
  box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, 0.35);
}

.swatch-pair .sw:hover {
  transform: scale(1.06);
}

.swatch-pair .sw.primary {
  top: 0;
  left: 0;
  z-index: 2;
}

.swatch-pair .sw.secondary {
  bottom: 0;
  right: 0;
  z-index: 1;
}

.swatch-pair .swap {
  position: absolute;
  top: -3px;
  right: -3px;
  z-index: 3;
  width: 19px;
  height: 19px;
  min-height: 0;
  padding: 0;
  border-radius: 7px;
}

.swatch-pair .swap .icon {
  width: 13px;
  height: 13px;
}

.color-fields {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}

.color-fields .ginput {
  flex: 1;
  min-width: 0;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11.5px;
  text-transform: uppercase;
}

.palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(19px, 1fr));
  gap: 4px;
  margin-top: 11px;
}

.palette .pc {
  position: relative;
  aspect-ratio: 1;
  border: none;
  border-radius: 6px;
  padding: 0;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  transition: transform 0.18s var(--ease-liquid), box-shadow 0.18s var(--ease);
}

.palette .pc:hover {
  transform: scale(1.22);
  z-index: 2;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5), 0 3px 10px -2px rgba(0, 0, 0, 0.7);
}

.palette-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
}

.palette-head .gselect {
  flex: 1;
  min-width: 0;
  min-height: 26px;
  font-size: 11.5px;
}

/* ---------- layers panel ---------- */

.layer-tools {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}

.layer-tools .gbtn {
  flex: 1;
  min-height: 28px;
  padding: 0;
}

.layer-tools .gbtn .icon {
  width: 15px;
  height: 15px;
}

.layer-props {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 9px;
}

.layer-props .gselect {
  flex: 1;
  min-width: 0;
  min-height: 26px;
  font-size: 11.5px;
}

.layer-props input[type='range'] {
  flex: 1;
  min-width: 0;
}

.layer-list {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  min-height: 40px;
  max-height: 340px;
  overflow-y: auto;
}

.layer-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 7px;
  border-radius: var(--r-xs);
  cursor: pointer;
  background: rgba(255, 255, 255, 0.035);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease), transform 0.18s var(--ease-liquid);
}

.layer-row:hover {
  background: rgba(255, 255, 255, 0.09);
}

.layer-row.active {
  background: linear-gradient(120deg, rgba(90, 200, 250, 0.24), rgba(167, 139, 250, 0.18));
  box-shadow: inset 0 0 0 1px rgba(120, 200, 255, 0.45), 0 0 16px -6px var(--accent-glow);
}

.layer-row.dragover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--accent), 0 0 14px -4px var(--accent-glow);
}

.layer-row .vis {
  width: 22px;
  height: 22px;
  min-height: 0;
  padding: 0;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  flex: none;
}

.layer-row .vis:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
}

.layer-row .vis .icon {
  width: 15px;
  height: 15px;
}

.layer-row .thumb {
  width: 34px;
  height: 30px;
  flex: none;
  border-radius: 6px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  image-rendering: pixelated;
  object-fit: contain;
}

.layer-row .meta {
  min-width: 0;
  flex: 1;
}

.layer-row .lname {
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-row .lsub {
  font-size: 10px;
  color: var(--text-faint);
  font-variant-numeric: tabular-nums;
}

.layer-row .lname-input {
  width: 100%;
  padding: 1px 4px;
  min-height: 0;
  font-size: 12px;
}

/* ---------- history panel ---------- */

.history-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 190px;
  overflow-y: auto;
}

.history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 9px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 11.5px;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}

.history-item:hover {
  background: rgba(255, 255, 255, 0.09);
  color: var(--text);
}

.history-item.current {
  background: rgba(90, 200, 250, 0.18);
  color: var(--text);
  box-shadow: inset 0 0 0 1px rgba(120, 200, 255, 0.3);
}

.history-item.future {
  opacity: 0.42;
}

.history-item .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
  opacity: 0.7;
}

/* ---------- status bar ---------- */

#statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 32px;
  padding: 5px 14px;
  border-radius: var(--r-md);
  font-size: 11.5px;
  color: var(--text-dim);
}

#statusbar .mono {
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
}

#statusbar .hint {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

#modal-layer {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(3, 5, 10, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 0.22s var(--ease);
}

#modal-layer.open {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  width: min(440px, 100%);
  max-height: 100%;
  padding: 20px 22px;
  border-radius: var(--r-xl);
  animation: modalIn 0.34s var(--ease-liquid);
  display: flex;
  flex-direction: column;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(14px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal h2 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
}

.modal .sub {
  margin-bottom: 16px;
  color: var(--text-dim);
  font-size: 12px;
}

.modal-body {
  overflow-y: auto;
  min-height: 0;
}

.field {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 11px;
}

.field > .glabel {
  width: 96px;
  flex: none;
  text-transform: none;
  letter-spacing: 0;
  font-size: 12px;
}

.field .ginput,
.field .gselect {
  flex: 1;
  min-width: 0;
}

.field input[type='range'] {
  flex: 1;
  min-width: 0;
}

.field .val {
  width: 46px;
  text-align: right;
  color: var(--text-dim);
  font-size: 11.5px;
  font-variant-numeric: tabular-nums;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 18px;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin: 4px 0 16px;
}

.preset-grid .gbtn {
  flex-direction: column;
  gap: 1px;
  padding: 8px 4px;
  font-size: 11.5px;
}

.preset-grid .gbtn small {
  color: var(--text-faint);
  font-size: 10px;
}

.modal-export {
  width: min(600px, 100%);
}

.modal-help {
  width: min(760px, 100%);
}

/* ---------- export dialog ---------- */

.export-preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  max-height: 210px;
  margin-bottom: 12px;
  padding: 10px;
  border-radius: var(--r-sm);
  background: rgba(0, 0, 0, 0.26);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.export-preview {
  max-width: 100%;
  max-height: 186px;
  image-rendering: pixelated;
  border-radius: 4px;
  box-shadow: 0 4px 16px -6px rgba(0, 0, 0, 0.8);
}

.export-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.export-stats > div {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 11px;
  border-radius: var(--r-xs);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.07);
}

.export-stats strong {
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.export-note {
  display: block;
  margin-bottom: 14px;
  color: var(--text-faint);
  font-size: 11.5px;
}

/* segmented control */
.seg {
  display: flex;
  gap: 3px;
  padding: 3px;
  border-radius: var(--r-sm);
  background: rgba(0, 0, 0, 0.24);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.07);
}

.seg-btn {
  flex: 1;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 9px;
  background: transparent;
  box-shadow: none;
  font-size: 12px;
}

.seg-btn::after {
  display: none;
}

.seg-btn:hover {
  background: rgba(255, 255, 255, 0.09);
  transform: none;
  box-shadow: none;
}

/* ---------- help page ---------- */

.help-lead {
  margin: 0 0 16px;
  color: var(--text-dim);
  font-size: 12.5px;
  line-height: 1.6;
}

.help-section {
  margin-bottom: 18px;
}

.help-section h3 {
  margin: 0 0 8px;
  color: var(--text-faint);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.help-rows {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2px 20px;
}

.help-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px;
  border-radius: 7px;
}

.help-row:hover {
  background: rgba(255, 255, 255, 0.05);
}

.kbd-cell {
  display: flex;
  align-items: center;
  gap: 4px;
  width: 152px;
  flex: none;
  justify-content: flex-end;
}

.kbd {
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1),
    0 1px 2px rgba(0, 0, 0, 0.4);
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 11px;
  white-space: nowrap;
  color: var(--text);
}

.kbd-sep {
  color: var(--text-faint);
  font-size: 10px;
}

.help-desc {
  font-size: 12px;
  color: var(--text-dim);
}

#filter-preview {
  width: 100%;
  max-height: 190px;
  margin-bottom: 14px;
  border-radius: var(--r-sm);
  image-rendering: pixelated;
  object-fit: contain;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}

/* ---------- toast ---------- */

#toasts {
  position: fixed;
  left: 50%;
  bottom: 58px;
  z-index: 400;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateX(-50%);
  pointer-events: none;
}

.toast {
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 12.5px;
  animation: toastIn 0.34s var(--ease-liquid);
}

.toast.out {
  animation: toastOut 0.3s var(--ease) forwards;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateY(14px) scale(0.92); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toastOut {
  to { opacity: 0; transform: translateY(-8px) scale(0.96); }
}

/* ---------- responsive ---------- */

@media (max-width: 1080px) {
  #dock { width: 230px; }
}

@media (max-width: 860px) {
  #dock { display: none; }
  .doc-title { display: none; }
}