.editor-page {
  min-width: 320px;
}

.editor-app {
  width: min(1260px, 100%);
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(32px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.editor-topbar,
.editor-nav,
.editor-selectors,
.panel-heading,
.editor-actions,
.data-actions {
  display: flex;
  align-items: center;
}

.editor-topbar {
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 14px;
}

.editor-nav {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.editor-back-link {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  color: var(--ink);
  text-decoration: none;
}

.editor-back-link:hover {
  border-color: var(--copper-light);
  background: linear-gradient(180deg, #5f4020, #2a200f);
}

.editor-subtitle {
  margin: 2px 0 0;
  color: var(--yellow);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.editor-intro {
  margin: 0 0 14px;
  padding: 12px 14px;
  border-left: 4px solid var(--green);
  background: rgba(0, 0, 0, 0.72);
  box-shadow: inset 0 0 0 1px #2f2f2f;
}

.editor-intro h2,
.editor-intro p,
.editor-cabinet h2 {
  margin-bottom: 5px;
}

.editor-intro h2,
.editor-cabinet h2 {
  font-size: 0.96rem;
}

.editor-intro p,
.validation-note,
.data-panel p,
.editor-hint {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.55;
}

.editor-intro p,
.data-panel p,
.validation-note {
  margin-bottom: 0;
}

.editor-cabinet {
  overflow: hidden;
  border: 2px solid var(--copper-light);
  background:
    linear-gradient(90deg, transparent 50%, rgba(255, 176, 128, 0.035) 50%) 0 0 / 6px 6px,
    linear-gradient(135deg, rgba(255, 176, 128, 0.08), transparent 24%),
    #000;
  box-shadow:
    inset 0 0 0 2px var(--copper),
    0 0 0 2px var(--copper-dark),
    0 18px 55px rgba(0, 0, 0, 0.72);
}

.editor-selectors {
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--copper-dark);
  background: linear-gradient(180deg, #2a200f, #000);
}

.editor-selectors label {
  display: grid;
  gap: 5px;
  color: var(--copper-light);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.editor-selectors select {
  min-width: 150px;
  min-height: 42px;
  padding: 0 34px 0 10px;
  border: 1px solid #676767;
  border-radius: 2px;
  color: #fff;
  background: #000;
}

.editor-selectors button,
.compact-tools button,
.editor-actions button,
.data-actions button {
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid #676767;
  border-radius: 2px;
  color: #fff;
  background: linear-gradient(180deg, #232323, #000);
  box-shadow: inset 1px 1px rgba(255, 255, 255, 0.09), 0 3px #000;
  cursor: pointer;
}

.board-stepper {
  display: flex;
  align-self: end;
  gap: 5px;
}

.board-stepper button {
  width: 46px;
  padding: 0;
}

.editor-status {
  flex: 1 1 220px;
  align-self: end;
  min-height: 42px;
  margin: 0;
  padding: 10px 12px;
  border: 1px solid #3b3b3b;
  color: var(--yellow);
  background: #000;
  font-size: 0.72rem;
  line-height: 1.35;
}

.editor-workspace {
  display: grid;
  grid-template-columns: minmax(470px, 1.1fr) minmax(320px, 0.9fr);
  gap: 1px;
  background: var(--copper-dark);
}

.board-panel,
.palette-panel,
.validation-panel,
.data-panel {
  min-width: 0;
  padding: 14px;
  background: rgba(0, 0, 0, 0.96);
}

.panel-heading {
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.panel-heading .eyebrow {
  margin-bottom: 3px;
}

.compact-tools,
.data-actions,
.editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.compact-tools button[aria-pressed="true"] {
  border-color: var(--yellow);
  color: #000;
  background: var(--yellow);
}

.board-viewport {
  overflow: auto;
  width: 100%;
  padding: 10px;
  border: 1px solid #575757;
  background:
    linear-gradient(45deg, rgba(35, 35, 35, 0.25) 25%, transparent 25%) 0 0 / 12px 12px,
    linear-gradient(45deg, transparent 75%, rgba(35, 35, 35, 0.25) 75%) 0 0 / 12px 12px,
    #000;
  box-shadow: inset 0 0 24px #000;
  scrollbar-color: var(--copper) #000;
}

#editor-board {
  display: block;
  width: 432px;
  height: 240px;
  max-width: none;
  border: 1px solid var(--copper);
  background: #000;
  image-rendering: pixelated;
  cursor: crosshair;
  touch-action: none;
}

#editor-board[data-tool="pan"] {
  cursor: grab;
}

#editor-board[data-tool="pan"][data-dragging="true"] {
  cursor: grabbing;
}

.editor-hint {
  margin: 9px 0 0;
}

.palette-heading-row {
  align-items: flex-start;
}

.advanced-toggle {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  color: var(--muted);
  font-size: 0.66rem;
}

.advanced-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--yellow);
}

.selected-tool {
  min-height: 35px;
  margin: 0 0 9px;
  padding: 8px 10px;
  border-left: 3px solid var(--yellow);
  color: #fff;
  background: #232323;
  font-size: 0.72rem;
}

.sprite-palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 6px;
  max-height: 352px;
  overflow: auto;
  padding: 2px;
  scrollbar-color: var(--copper) #000;
}

.sprite-button {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: center;
  gap: 7px;
  min-height: 49px;
  padding: 5px 7px;
  border: 1px solid #3b3b3b;
  border-radius: 2px;
  color: #d3d3d3;
  background: #000;
  cursor: pointer;
  text-align: left;
}

.sprite-button:hover {
  border-color: var(--copper-light);
}

.sprite-button[aria-pressed="true"] {
  border-color: var(--yellow);
  color: #fff;
  background: #2a200f;
  box-shadow: inset 0 0 0 1px #585400;
}

.sprite-preview {
  width: 34px;
  height: 34px;
  border: 1px solid #3b3b3b;
  background: #000;
  image-rendering: pixelated;
}

.sprite-button span {
  overflow: hidden;
  font-size: 0.62rem;
  line-height: 1.25;
  text-overflow: ellipsis;
}

.validation-panel {
  border-top: 1px solid var(--copper-dark);
}

.validation-list {
  display: grid;
  gap: 6px;
  margin: 0 0 10px;
  padding: 0;
  list-style: none;
}

.validation-list li {
  padding: 8px 10px;
  border-left: 4px solid var(--muted);
  background: #000;
  font-size: 0.7rem;
  line-height: 1.4;
}

.validation-list .error {
  border-color: var(--red);
  color: #efefef;
}

.validation-list .warning {
  border-color: var(--yellow);
  color: #fff700;
}

.validation-list .info {
  border-color: var(--vga-blue);
  color: #d3d3d3;
}

.validation-list .ok {
  border-color: var(--green);
  color: #efefef;
}

.sticky-actions {
  position: sticky;
  z-index: 5;
  bottom: 0;
  padding: 11px 14px max(11px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--copper);
  border-bottom: 1px solid var(--copper-dark);
  background: rgba(0, 0, 0, 0.96);
  backdrop-filter: blur(8px);
}

.editor-actions .primary-button {
  margin-left: auto;
  border-color: var(--green);
  color: #fff;
  background: linear-gradient(180deg, var(--green), #077f00);
}

.editor-actions button:disabled,
.data-actions button:disabled,
.editor-selectors button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.data-panel {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(380px, 1.4fr);
  gap: 18px;
}

.data-actions {
  justify-content: flex-end;
  align-content: start;
}

.data-actions .danger-button {
  border-color: #a70000;
}

@media (max-width: 900px) {
  .editor-workspace,
  .data-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .palette-panel {
    border-top: 1px solid var(--copper-dark);
  }

  .sprite-palette {
    grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
    max-height: 310px;
  }

  .data-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .editor-app {
    padding-right: max(9px, env(safe-area-inset-right));
    padding-left: max(9px, env(safe-area-inset-left));
  }

  .editor-topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .editor-nav {
    width: 100%;
    max-width: none;
    justify-content: flex-start;
  }

  .editor-back-link {
    padding: 0 9px;
    font-size: 0.65rem;
  }

  .editor-selectors {
    display: grid;
    grid-template-columns: 1fr 0.75fr auto;
    padding: 10px;
  }

  .editor-selectors select {
    width: 100%;
    min-width: 0;
  }

  .board-stepper {
    gap: 3px;
  }

  .board-stepper button {
    width: 42px;
  }

  .editor-status {
    grid-column: 1 / -1;
  }

  .board-panel,
  .palette-panel,
  .validation-panel,
  .data-panel {
    padding: 10px;
  }

  .panel-heading {
    align-items: flex-start;
  }

  .palette-heading-row {
    display: grid;
  }

  .sprite-palette {
    display: flex;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 8px;
    scroll-snap-type: x proximity;
  }

  .sprite-button {
    flex: 0 0 96px;
    grid-template-columns: 34px 1fr;
    scroll-snap-align: start;
  }

  .sticky-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    padding: 9px 10px max(9px, env(safe-area-inset-bottom));
  }

  .editor-actions .primary-button {
    grid-column: 1 / -1;
    grid-row: 1;
    margin-left: 0;
  }

  .data-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .editor-page *,
  .editor-page *::before,
  .editor-page *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }
}