@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/rajdhani-latin-500-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/rajdhani-latin-600-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/rajdhani-latin-700-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Share Tech Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/share-tech-mono-latin-400-normal.woff2') format('woff2');
}

:root,
[data-theme='dark'] {
  --hud: #f2f6ec;
  --hud-dim: #b8c4ae;
  --accent: #e4c15a;
  --panel: #1c2018;
  --line: rgba(230, 236, 220, 0.28);
  --danger: #ff4d4d;
  --bg: #121410;
  --bar: #181c16;
  --canvas: #0e120c;
  --input: #12160f;
  --checker-a: #161a12;
  --checker-b: #1e2418;
  --overlay: rgba(8, 10, 6, 0.62);
  --modal: #1c2018;
  --thumb-bg: #0e120c;
}

[data-theme='light'] {
  --hud: #1c2018;
  --hud-dim: #5a6458;
  --accent: #8a6a14;
  --panel: #ece6d8;
  --line: rgba(28, 32, 24, 0.18);
  --danger: #c43030;
  --bg: #f4f0e6;
  --bar: #e4ddd0;
  --canvas: #c8c2b4;
  --input: #fffdf8;
  --checker-a: #d8d2c4;
  --checker-b: #ece6d8;
  --overlay: rgba(40, 36, 28, 0.45);
  --modal: #f7f3ea;
  --thumb-bg: #d8d2c4;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body,
#builder {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--hud);
  font-family: 'Rajdhani', 'Segoe UI', sans-serif;
}

#builder {
  display: grid;
  grid-template-columns: 48px 1fr 300px;
  grid-template-rows: auto auto 1fr;
  grid-template-areas:
    'bar bar bar'
    'options options options'
    'tools canvas inspector';
}

#bar {
  grid-area: bar;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  min-height: 48px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--bar);
}

.brand .kicker {
  display: block;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--accent);
}

.brand strong {
  letter-spacing: 0.16em;
  font-size: 15px;
}

#options-bar {
  grid-area: options;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 10px;
  min-height: 40px;
  padding: 4px 10px 4px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

#tools {
  grid-area: tools;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 6px 4px;
  background: var(--panel);
  border-right: 1px solid var(--line);
  overflow: auto;
}

#tools .tool-gap {
  height: 8px;
}

#bar button,
.file-btn,
.bar-link,
#inspector button,
#options-bar button,
.modal button,
.ai-popover button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--hud-dim);
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 8px;
  cursor: pointer;
  text-decoration: none;
}

#tools button {
  width: 38px;
  height: 38px;
  padding: 0;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid transparent;
  color: var(--hud-dim);
  cursor: pointer;
  border-radius: 4px;
  flex-shrink: 0;
}

#tools button svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

#tools button.on,
#options-bar button.on,
#inspector button.on,
.layer-row.on,
.ai-chip.on {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

#tools button:hover,
#bar button:hover,
#inspector button:hover,
.file-btn:hover,
.bar-link:hover,
#options-bar button:hover,
.modal button:hover,
.ai-popover button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.bar-file {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.bar-link {
  display: inline-flex;
  align-items: center;
}

#status {
  font-family: 'Share Tech Mono', monospace;
  font-size: 11px;
  color: var(--hud-dim);
}

.file-btn {
  display: inline-flex;
  align-items: center;
}

.file-btn input {
  display: none;
}

#inspector {
  grid-area: inspector;
  background: var(--panel);
  border-left: 1px solid var(--line);
  overflow: auto;
  padding: 10px 12px 16px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

#view-wrap {
  grid-area: canvas;
  width: 100%;
  height: 100%;
  min-height: 0;
  position: relative;
  background: var(--canvas);
  overflow: hidden;
}

#tex-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.group-label,
#size-panel > summary {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 10px 0 6px;
}

.group-label.sub {
  font-size: 10px;
  letter-spacing: 0.16em;
  margin: 8px 0 4px;
  color: var(--hud-dim);
}

#size-panel {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 4px 0 8px;
  margin: 8px 0;
}

#size-panel > summary {
  cursor: pointer;
  list-style: none;
  margin: 6px 0;
}

#size-panel > summary::-webkit-details-marker {
  display: none;
}

#size-panel > summary::before {
  content: '▸ ';
}

#size-panel[open] > summary::before {
  content: '▾ ';
}

.swatch-grid.pal {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  margin-top: 10px;
}

.pal-chip {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid var(--line);
  cursor: pointer;
  padding: 0;
  background: transparent;
}

#inspector .pal-chip,
#inspector .mini,
#inspector .layer-footer button {
  margin-top: 0;
}

.pal-chip.on {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

#inspector label,
#options-bar label,
.modal-field,
.ai-popover label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--hud-dim);
  margin-top: 8px;
}

#inspector input,
#inspector select,
#options-bar input,
#options-bar select,
.modal input,
.modal select,
.ai-popover input,
.ai-popover select,
.ai-popover textarea {
  width: 100%;
  margin-top: 3px;
  background: var(--input);
  border: 1px solid var(--line);
  color: var(--hud);
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  padding: 6px 8px;
}

#options-bar label.inline {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  white-space: nowrap;
}

#options-bar label.inline input,
#options-bar label.inline select {
  width: auto;
  margin: 0;
  min-width: 52px;
}

#options-bar input[type='range'] {
  width: 92px;
  margin: 0;
  padding: 0;
}

#inspector h2,
.modal h2 {
  font-size: 15px;
  letter-spacing: 0.14em;
}

#inspector button,
.modal button {
  margin-top: 8px;
  width: 100%;
}

#options-bar button {
  margin: 0;
  width: auto;
}

.btn-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.btn-row button,
.btn-row-3 button {
  margin-top: 4px;
  width: 100%;
}

.btn-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}

.btn-row-4 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 4px;
}

.btn-row-4 button {
  margin-top: 4px;
  width: 100%;
  padding: 5px 4px;
  letter-spacing: 0.06em;
}

.hint {
  margin-top: 8px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--hud-dim);
}

.fgbg {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 6px;
}

.color-stack {
  position: relative;
  width: 56px;
  height: 44px;
  flex-shrink: 0;
}

.color-slot {
  position: absolute;
  width: 28px;
  height: 28px;
  padding: 0;
  margin: 0;
  border: 2px solid var(--line);
  cursor: pointer;
  background: transparent;
  box-shadow: 0 0 0 1px var(--panel);
}

#inspector .color-slot {
  width: 28px;
  margin-top: 0;
}

.color-slot.c1 {
  left: 0;
  top: 0;
  z-index: 2;
}

.color-slot.c2 {
  left: 18px;
  top: 14px;
  z-index: 1;
}

.color-slot.active {
  border-color: var(--accent);
  z-index: 3;
}

.color-slot .face {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
  background-image:
    linear-gradient(45deg, #9aa08c 25%, transparent 25%),
    linear-gradient(-45deg, #9aa08c 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #9aa08c 75%),
    linear-gradient(-45deg, transparent 75%, #9aa08c 75%);
}

.color-slot .face::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: var(--slot);
}

.palette-head {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

#inspector .palette-head select {
  flex: 1;
  min-width: 0;
  width: auto;
  height: 32px;
  margin-top: 0;
  padding: 0 8px;
  line-height: 30px;
}

#inspector .btn-cog,
.btn-cog {
  width: 32px !important;
  height: 32px !important;
  margin-top: 0 !important;
  padding: 0 !important;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.btn-cog svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pal-chip.c1 {
  outline: 2px solid var(--accent);
  border-color: var(--accent);
}

.pal-chip.c2 {
  outline: 2px dashed var(--accent);
}

.pal-chip.add {
  display: grid;
  place-items: center;
  font-size: 16px;
  color: var(--hud-dim);
  background: var(--input);
}

.palette-manager-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 320px;
  overflow: auto;
  margin-top: 12px;
}

.palette-manager-row {
  display: grid;
  grid-template-columns: 28px 1fr auto auto;
  gap: 6px;
  align-items: center;
}

.palette-manager-row input,
.palette-manager-row button {
  margin-top: 0;
  width: auto;
}

.palette-manager-row .name {
  min-width: 0;
}

.palette-manager-row.hidden-pal {
  opacity: 0.5;
}

#btn-palette-new {
  margin-top: 4px;
}

.layer-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 240px;
  overflow: auto;
  margin-top: 4px;
  border: 1px solid var(--line);
  background: var(--input);
}

.layer-row {
  position: relative;
  display: grid;
  grid-template-columns: 28px 22px 22px 1fr;
  gap: 4px;
  align-items: center;
  width: 100%;
  text-align: left;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 4px 6px;
  cursor: grab;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.layer-row:last-child {
  border-bottom: none;
}

.layer-row.dragging {
  opacity: 0.4;
}

.layer-row.drop-before::before,
.layer-row.drop-after::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  z-index: 2;
  pointer-events: none;
}

.layer-row.drop-before::before {
  top: -1px;
}

.layer-row.drop-after::after {
  bottom: -1px;
}

.layer-thumb {
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  background: var(--thumb-bg);
  image-rendering: pixelated;
  display: block;
}

.layer-row .mini {
  width: 22px;
  padding: 2px 0;
  margin: 0;
  letter-spacing: 0;
  font-size: 11px;
}

.layer-row .layer-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.layer-row input.layer-name-edit {
  margin: 0;
  padding: 2px 4px;
  font-size: 12px;
}

.layer-footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
  margin-top: 6px;
}

.layer-footer button {
  margin-top: 0;
}

.xyz-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.xyz-row.three {
  grid-template-columns: 1fr 1fr 1fr;
}

.xyz-row input {
  min-width: 0;
}

#tile-preview,
#cube-preview {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  background: var(--canvas);
  border: 1px solid var(--line);
  image-rendering: pixelated;
  margin-top: 4px;
}

#inspector-previews {
  margin-top: 8px;
}

.palette-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-top: 6px;
}

.palette-actions button {
  margin-top: 0;
}

.hidden {
  display: none !important;
}

.modal-root {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--overlay);
}

.modal {
  position: relative;
  z-index: 1;
  width: min(460px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  padding: 18px 20px 16px;
  background: var(--modal);
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.modal-about {
  width: min(360px, calc(100vw - 32px));
}

.modal a {
  color: var(--accent);
}

.modal-section {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.modal-section:first-of-type {
  margin-top: 10px;
  padding-top: 0;
  border-top: none;
}

.modal-section h3 {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--accent);
  font-weight: 700;
}

.modal-section .modal-field {
  margin-top: 0;
}

.modal-key-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 8px;
}

.modal-key-row button {
  margin-top: 0;
  width: auto;
  padding: 4px 8px;
  font-size: 10px;
  letter-spacing: 0.08em;
}

.modal-copy {
  margin: 8px 0 12px;
  color: var(--hud-dim);
  font-size: 13px;
  line-height: 1.4;
}

.modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.modal-actions:has(button:only-child) {
  grid-template-columns: max-content;
  justify-content: end;
}

.modal-actions button {
  margin-top: 0;
  width: auto;
  min-width: 88px;
}

.modal button.primary,
.ai-popover button.primary {
  border-color: var(--accent);
  color: var(--accent);
}

.format-grid {
  display: grid;
  gap: 6px;
}

.format-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  letter-spacing: 0.08em;
  cursor: pointer;
}

.format-grid input {
  width: auto;
  margin: 0;
}

#boot-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  text-align: center;
}

.boot-card {
  padding: 22px 28px 26px;
  min-width: 260px;
  background: var(--bar);
  border: 1px solid var(--line);
}

.boot-card .kicker {
  display: block;
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--accent);
}

.boot-card strong {
  display: block;
  letter-spacing: 0.16em;
  font-size: 18px;
  margin: 6px 0 16px;
}

#boot-status {
  color: var(--hud-dim);
  letter-spacing: 0.12em;
  font-size: 13px;
}

#boot-track {
  margin: 16px auto 0;
  width: min(240px, 70%);
  height: 8px;
  border: 1px solid var(--line);
}

#boot-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.15s ease;
}

.color-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.color-row label {
  margin-top: 0;
}

.ctx-menu {
  position: fixed;
  z-index: 80;
  min-width: 148px;
  padding: 4px;
  background: var(--modal);
  border: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.ctx-menu button {
  display: block;
  width: 100%;
  margin: 0;
  padding: 7px 10px;
  text-align: left;
  letter-spacing: 0.08em;
  background: transparent;
  border: 1px solid transparent;
  color: var(--hud);
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.ctx-menu button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ctx-menu button.danger {
  color: var(--danger);
}

.ctx-menu button.danger:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.color-popover {
  position: fixed;
  z-index: 70;
  width: 220px;
  padding: 10px;
  background: var(--modal);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

.color-popover label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--hud-dim);
  margin-top: 6px;
}

.color-popover input {
  width: 100%;
  margin-top: 3px;
  background: var(--input);
  border: 1px solid var(--line);
  color: var(--hud);
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  padding: 5px 7px;
}

.color-popover input[type='range'] {
  padding: 0;
  height: 16px;
}

.cp-pick {
  display: flex;
  gap: 8px;
}

.cp-sv,
.cp-hue {
  display: block;
  border: 1px solid var(--line);
  cursor: crosshair;
  touch-action: none;
}

.cp-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.cp-swatch {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border: 1px solid var(--line);
  display: block;
}

.cp-swatch .face,
.cp-swatch .face::after {
  display: block;
  width: 100%;
  height: 100%;
}

.cp-swatch .face {
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
  background-image:
    linear-gradient(45deg, #9aa08c 25%, transparent 25%),
    linear-gradient(-45deg, #9aa08c 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #9aa08c 75%),
    linear-gradient(-45deg, transparent 75%, #9aa08c 75%);
}

.cp-swatch .face::after {
  content: '';
  background: var(--slot);
}

.cp-alpha-lab {
  flex: 1;
  min-width: 0;
  margin-top: 0 !important;
}

.color-popover .cp-transparent {
  width: 100%;
  margin-top: 8px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--hud-dim);
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 5px 8px;
  cursor: pointer;
}

.color-popover .cp-transparent:hover,
.color-popover .cp-transparent.on {
  border-color: var(--accent);
  color: var(--accent);
}

.ai-popover {
  position: fixed;
  z-index: 75;
  width: min(920px, calc(100vw - 24px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  background: var(--modal);
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.ai-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.ai-head strong {
  letter-spacing: 0.12em;
  font-size: 13px;
}

.ai-close {
  width: 28px;
  padding: 2px 0;
  font-size: 16px;
  line-height: 1;
}

.ai-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 14px;
  padding: 10px 12px 14px;
}

.ai-left label:first-of-type {
  margin-top: 0;
}

.ai-key-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.ai-key-msg {
  font-size: 12px;
  color: var(--hud-dim);
}

.ai-model-blurb,
.ai-history-empty {
  margin: 4px 0 8px;
  color: var(--hud-dim);
  font-size: 12px;
  line-height: 1.35;
}

.ai-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0 4px;
}

.ai-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  text-transform: none;
  letter-spacing: 0.06em;
}

.ai-chip-swatches {
  display: flex;
  gap: 1px;
}

.ai-chip-swatches i {
  display: block;
  width: 7px;
  height: 7px;
}

.ai-prompt {
  min-height: 92px;
  resize: vertical;
}

.ai-rebuild,
.ai-generate,
.ai-add {
  width: 100%;
  margin-top: 8px;
}

.ai-gen-hint {
  margin: 8px 0 0;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.35;
}

.ai-popover button.primary.ai-generate.is-disabled,
.ai-popover button.primary.ai-generate.is-disabled:hover {
  border-color: var(--line);
  color: var(--hud-dim);
  background: transparent;
  cursor: not-allowed;
  opacity: 0.65;
}

.ai-error {
  margin-top: 8px;
  color: var(--danger);
  font-size: 12px;
  line-height: 1.35;
}

.ai-preview {
  position: relative;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  background-color: var(--checker-a);
  background-image:
    linear-gradient(45deg, var(--checker-b) 25%, transparent 25%),
    linear-gradient(-45deg, var(--checker-b) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--checker-b) 75%),
    linear-gradient(-45deg, transparent 75%, var(--checker-b) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.ai-preview-ph {
  position: absolute;
  color: var(--hud-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.ai-preview-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.ai-history {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-height: 220px;
  overflow: auto;
}

.ai-hist-item {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--thumb-bg);
  cursor: pointer;
}

.ai-hist-item img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

@media (max-width: 800px) {
  .ai-body {
    grid-template-columns: 1fr;
  }
}