/* =========================================================================
   MC STUDIO — Pixel Workshop
   Aesthetic: Editorial technical workshop. Deep cool-gray backgrounds,
   Bricolage Grotesque display + Geist body + Geist Mono numerics.
   Category color accents: teal for canvas-edit modes, amber for generators.
   ========================================================================= */

@font-face {
  font-family: "Minecrafter";
  src: url("fonts/Minecrafter-MA3Dw.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Minecraft";
  src: url("fonts/Minecraft.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "MinecraftEvenings";
  src: url("fonts/MinecraftEvenings-lgvPd.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Surfaces — deep cool gray with slight blue undertone */
  --bg-app: #0f0f11;
  --bg-primary: #161618;
  --bg-secondary: #1d1d21;
  --bg-tertiary: #25252a;
  --bg-elevated: #2d2d33;
  --bg-hover: #38383f;
  --bg-active: #0d3a66;

  /* Borders */
  --border-subtle: #25252a;
  --border: #34343a;
  --border-strong: #44444c;
  --border-focus: #4ec9b0;

  /* Text */
  --text-primary: #dcdce0;
  --text-secondary: #8b8b94;
  --text-muted: #5a5a64;
  --text-bright: #ffffff;

  /* Accent palette — category-specific */
  --accent-edit: #4ec9b0;        /* electric teal — canvas editing modes */
  --accent-edit-dim: #3a9d8a;
  --accent-edit-glow: rgba(78, 201, 176, 0.15);

  --accent-gen: #e9975a;          /* warm amber — generator modes */
  --accent-gen-dim: #b37640;
  --accent-gen-glow: rgba(233, 151, 90, 0.15);

  --accent: var(--accent-edit);
  --accent-dim: var(--accent-edit-dim);
  --accent-glow: var(--accent-edit-glow);
  --accent-hover: #6adccc;

  --danger: #e35f5f;
  --warning: #e9975a;
  --success: #4ec9b0;

  /* Canvas */
  --canvas-bg: #0a0a0c;
  --canvas-checker-a: #1e1e22;
  --canvas-checker-b: #28282e;

  /* Layout */
  --header-h: 48px;
  --left-w: 236px;
  --right-w: 300px;
  --toolbar-h: 44px;
  --colorstrip-h: 128px;
  --statusbar-h: 26px;

  /* Typography — Combo 5: Minecraft pixel heading + Geist clean body/labels */
  --font-display: "Minecraft", "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "Cascadia Code", monospace;
  /* Section labels use Geist (not mono) for combo-5 consistency */
  --font-label: "Geist", ui-sans-serif, system-ui, sans-serif;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* Mode-specific accent via data-category */
[data-category="edit"] { --cat-accent: var(--accent-edit); --cat-glow: var(--accent-edit-glow); }
[data-category="generate"] { --cat-accent: var(--accent-gen); --cat-glow: var(--accent-gen-glow); }

/* Global app accent switches based on current mode */
body[data-active-cat="edit"] {
  --accent: var(--accent-edit);
  --accent-dim: var(--accent-edit-dim);
  --accent-glow: var(--accent-edit-glow);
}
body[data-active-cat="generate"] {
  --accent: var(--accent-gen);
  --accent-dim: var(--accent-gen-dim);
  --accent-glow: var(--accent-gen-glow);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01", "ss03";
}

/* Subtle grain texture overlay — gives the UI a tactile feel */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  background-image: radial-gradient(rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
  opacity: 0.6;
}

button, input, select, textarea {
  font-family: inherit;
  color: inherit;
}

#app {
  display: flex;
  flex-direction: column;
  /* Header is an absolute body child above #app, so subtract it so #app fits
     inside the viewport instead of overflowing by the header's height. */
  height: calc(100vh - var(--header-h));
  width: 100vw;
}

/* =============================================================== HEADER === */
#header {
  height: var(--header-h);
  background: linear-gradient(180deg, #1a1a1e 0%, #141418 100%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 10px;
  flex-shrink: 0;
  position: relative;
}
#header::after {
  /* Accent line at the bottom of the header */
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--accent) 20%,
    var(--accent) 80%,
    transparent 100%);
  opacity: 0.35;
}

.header-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

.header-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 6px;
}

/* Brand mark */
.brand-group { padding-right: 4px; }
.header-brand {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 7px 9px;
  font-size: 15px;
  border-radius: 3px;
  transition: all 150ms var(--ease-out);
  border: 1px solid transparent;
}
.header-brand:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
  border-color: var(--border);
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-left: 4px;
}
.brand-glyph {
  display: grid;
  grid-template-columns: 8px 8px;
  grid-template-rows: 8px 8px;
  gap: 2px;
}
.brand-pixel {
  width: 8px;
  height: 8px;
  display: block;
}
.brand-pixel.a { background: var(--accent-edit); }
.brand-pixel.b { background: var(--accent-gen); }
.brand-pixel.c { background: var(--warning); }
.brand-pixel.d { background: var(--text-primary); }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--text-bright);
  letter-spacing: 0.02em;
  font-variation-settings: "wdth" 100, "opsz" 24;
}
.brand-tag {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-muted);
  letter-spacing: 0.18em;
  margin-top: 3px;
  text-transform: uppercase;
}

/* File group — compact icon buttons */
.file-group { gap: 2px; }

/* ============================================================= MODE TABS === */
.mode-group {
  flex: 1;
  justify-content: center;
}

/* util-group is pinned to the top-right corner across every view. margin-left:auto
   consumes any free space so Download + Save cluster always lands there, regardless
   of which editor-only groups are visible. */
.util-group {
  margin-left: auto;
}

/* Top-right action buttons (Download, Save) — always Geist, uppercase, tight
   tracking so they read as UI chrome, not pixel-art content. Decoupled from
   --font-display (Minecraft) on purpose. */
#btn-download,
#btn-save {
  font-family: var(--font-body);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.08em;
  font-size: 12px;
}

/* Secondary primary-style button (Save) sits beside the filled Download button —
   lighter fill so Download reads as the primary action. */
.primary-btn.secondary {
  background: transparent;
  border: 1px solid var(--accent);
  color: var(--accent);
}
.primary-btn.secondary:hover {
  background: var(--accent-glow);
}
.primary-btn.secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.mode-switcher {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px;
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
}

.mode-cluster {
  display: flex;
  align-items: center;
  gap: 1px;
  position: relative;
  padding: 0 4px 0 0;
}
.mode-cluster-label {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--cluster-accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  padding: 0 8px 0 4px;
  margin-right: 2px;
  align-self: stretch;
  display: flex;
  align-items: center;
  opacity: 0.65;
  font-weight: 600;
}
.mode-cluster-edit { --cluster-accent: var(--accent-edit); --cluster-glow: var(--accent-edit-glow); }
.mode-cluster-generate { --cluster-accent: var(--accent-gen); --cluster-glow: var(--accent-gen-glow); }

.mode-cluster-sep {
  width: 1px;
  align-self: stretch;
  background: var(--border);
  margin: 0 6px;
}

.mode-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 3px;
  transition: all 150ms var(--ease-out);
  white-space: nowrap;
}
.mode-btn i { font-size: 12px; opacity: 0.7; transition: opacity 150ms; }
.mode-btn:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.mode-btn:hover i { opacity: 1; }
.mode-btn.active {
  color: var(--text-bright);
  background: var(--bg-elevated);
  border-color: var(--cluster-accent);
  box-shadow: 0 0 0 1px var(--cluster-accent) inset, 0 0 12px -2px var(--cluster-glow);
}
.mode-btn.active i {
  opacity: 1;
  color: var(--cluster-accent);
}

/* ================================================================ BUTTONS === */
.icon-btn {
  width: 30px;
  height: 30px;
  padding: 0;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 120ms var(--ease-out);
  font-size: 14px;
}
.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
  border-color: var(--border);
}
.icon-btn.small { width: 26px; height: 26px; font-size: 12px; }
.icon-btn.mini { width: 22px; height: 22px; font-size: 11px; padding: 0; }
.icon-btn.mini i { font-size: 11px; }
.icon-btn.mini.danger:hover { color: var(--danger); border-color: var(--danger); }
.icon-btn.active, .icon-btn:active {
  background: var(--bg-active);
  border-color: var(--accent);
  color: var(--text-bright);
}
.icon-btn img {
  width: 15px;
  height: 15px;
  image-rendering: pixelated;
  filter: brightness(0) saturate(100%) invert(87%) sepia(0%) hue-rotate(0deg);
}
.icon-btn.small img { width: 13px; height: 13px; }

.primary-btn {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: var(--text-bright);
  border: 1px solid var(--accent);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--font-display);
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 150ms var(--ease-out);
  letter-spacing: 0.01em;
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 1px 8px var(--accent-glow);
}
.primary-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.2) inset, 0 2px 12px var(--accent-glow);
}
.primary-btn:active { transform: translateY(0); }
.primary-btn i { font-size: 13px; }

/* ============================================================= WORKSPACE === */
#workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ================================================================ PANELS === */
#left-panel, #right-panel {
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}
#left-panel {
  width: var(--left-w);
  border-right: 1px solid var(--border);
}
#right-panel {
  width: var(--right-w);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: 32px;
}

.panel-header {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
  padding: 11px 14px 9px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}
.panel-header-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.panel-header-label::before {
  content: "";
  width: 2px;
  height: 10px;
  background: var(--accent);
  display: inline-block;
}
.panel-header-compact {
  padding: 8px 12px 7px;
  border-bottom: 1px dashed var(--border);
  background: var(--bg-tertiary);
}
.panel-header-compact .panel-header-label::before {
  height: 8px;
}

.panel-section {
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* =========================================================== ASSET BROWSER */
.asset-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 6px;
  background: var(--bg-primary);
}
.asset-tab {
  flex: 1;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  padding: 9px 4px 10px;
  font-size: 10px;
  font-weight: 500;
  font-family: var(--font-display);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 150ms var(--ease-out);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
}
.asset-tab:hover { color: var(--text-primary); }
.asset-tab.active {
  color: var(--text-bright);
  border-bottom-color: var(--accent);
}

.asset-search {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  gap: 6px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
}
.asset-search i { font-size: 12px; }
.asset-search input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  padding: 5px 8px;
  border-radius: 3px;
  outline: none;
  transition: border-color 150ms;
}
.asset-search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.asset-count {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}
.asset-item.broken { opacity: 0.3; }

.asset-load-mode {
  display: flex;
  gap: 4px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border-subtle);
}
.radio-pill {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 4px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  font-size: 10px;
  font-family: var(--font-display);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 120ms var(--ease-out);
}
.radio-pill input {
  width: 0;
  height: 0;
  opacity: 0;
  margin: 0;
  position: absolute;
}
.radio-pill:has(input:checked) {
  background: var(--bg-elevated);
  color: var(--text-bright);
  border-color: var(--accent);
}
.radio-pill:hover { color: var(--text-primary); }

.asset-grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  padding: 8px 8px 32px;
  align-content: start;
}
.asset-item {
  aspect-ratio: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  transition: all 120ms var(--ease-out);
  position: relative;
}
.asset-item img {
  max-width: 100%;
  max-height: 100%;
  image-rendering: pixelated;
}
.asset-item:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
  transform: translateY(-1px);
}
.asset-item.selected {
  border-color: var(--accent);
  background: var(--bg-active);
}

.asset-info {
  padding: 8px 12px;
  border-top: 1px solid var(--border);
  font-size: 10px;
  color: var(--text-muted);
  min-height: 28px;
  font-family: var(--font-mono);
  background: var(--bg-primary);
}

/* =========================================================== CENTER / CANVAS */
#center-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  background: var(--bg-app);
}

.canvas-toolbar {
  height: var(--toolbar-h);
  background: linear-gradient(180deg, #1a1a1e 0%, #16161a 100%);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 10px;
  gap: 4px;
  flex-shrink: 0;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 2px;
}

.toolbar-divider {
  width: 1px;
  height: 22px;
  background: var(--border);
  margin: 0 6px;
}
.toolbar-spacer { flex: 1; }
.toolbar-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  margin-right: 6px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.tool-btn {
  width: 32px;
  height: 32px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 120ms var(--ease-out);
}
.tool-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border);
}
.tool-btn.active {
  background: var(--bg-elevated);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent) inset, 0 0 10px -2px var(--accent-edit-glow);
}
.tool-btn img {
  width: 18px;
  height: 18px;
  /* Source icons are 1024×1024 pixel art; let the browser smooth-downscale to 18×18 to
     preserve all the ink. Nearest-neighbor sampling would drop most of the content. */
  image-rendering: auto;
  filter: brightness(0) saturate(100%) invert(87%);
}
.tool-btn.active img { filter: brightness(0) saturate(100%) invert(100%); }
.tool-btn i { font-size: 16px; }
.tool-btn-magic-erase { position: relative; }
.tool-btn-magic-erase .tool-magic-badge {
  position: absolute;
  top: 2px;
  right: 3px;
  font-size: 9px;
  line-height: 1;
  color: var(--accent);
  pointer-events: none;
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.6);
}
.tool-btn-magic-erase.active .tool-magic-badge { color: #fff; }

.size-btn {
  min-width: 26px;
  height: 26px;
  padding: 0 7px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-mono);
  transition: all 120ms var(--ease-out);
}
.size-btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.size-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-bright);
  box-shadow: 0 0 10px -2px var(--accent-glow);
}

.chk {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}
.chk input { accent-color: var(--accent); }

.zoom-display {
  min-width: 44px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  padding: 0 4px;
}

#canvas-viewport {
  flex: 1;
  overflow: auto;
  background:
    radial-gradient(ellipse at center, rgba(78, 201, 176, 0.03) 0%, transparent 60%),
    var(--canvas-bg);
  display: flex;
  align-items: safe center;
  justify-content: safe center;
  padding: 24px;
  position: relative;
  min-height: 0;
}

#canvas-stack {
  position: relative;
  flex-shrink: 0;
  box-shadow:
    0 0 0 1px var(--border-strong),
    0 0 0 4px var(--bg-app),
    0 0 0 5px var(--border),
    0 20px 60px -10px rgba(0, 0, 0, 0.8),
    0 0 80px -20px var(--accent-edit-glow);
}

#checker-canvas, #main-canvas, #grid-canvas, #cursor-canvas {
  display: block;
  image-rendering: pixelated;
}
#checker-canvas { position: absolute; top: 0; left: 0; z-index: 1; }
#main-canvas { position: relative; z-index: 2; background: transparent; }
#grid-canvas { position: absolute; top: 0; left: 0; pointer-events: none; z-index: 3; }
#cursor-canvas { position: absolute; top: 0; left: 0; pointer-events: none; z-index: 4; }

#selection-box {
  position: absolute;
  border: 1px dashed #00ffff;
  display: none;
  pointer-events: none;
  z-index: 5;
  background: rgba(0, 255, 255, 0.08);
}

#nineslice-overlay {
  position: absolute;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 5;
  display: none;
}

/* ============================================================ COLOR STRIP === */
#color-strip {
  background: linear-gradient(180deg, #17171b 0%, #131316 100%);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 10px 16px 10px;
  gap: 8px;
  flex-shrink: 0;
  position: relative;
}
.color-strip-row-main {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.color-strip-row-shades {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
  min-height: 30px;
}
.shade-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  min-width: 44px;
}
.shade-palette {
  display: flex;
  gap: 3px;
  flex: 1;
  min-width: 0;
}
.shade-swatch {
  flex: 1;
  height: 22px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  min-width: 0;
  transition: transform 100ms var(--ease-out), box-shadow 100ms;
}
.shade-swatch:hover {
  transform: scale(1.08);
  z-index: 2;
  position: relative;
  box-shadow: 0 0 0 1px var(--bg-app), 0 2px 8px rgba(0, 0, 0, 0.7);
}
.shade-swatch.base {
  border: 2px solid var(--text-bright);
  box-shadow: 0 0 0 1px var(--accent);
}
#color-strip::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 50%, transparent 100%);
  opacity: 0.2;
}

.color-strip-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.color-strip-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.color-strip-divider {
  width: 1px;
  height: 50px;
  background: var(--border);
  flex-shrink: 0;
}

.fg-bg-wrap {
  position: relative;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}
.fg-swatch, .bg-swatch {
  position: absolute;
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-strong);
  cursor: pointer;
  border-radius: 2px;
  transition: border-color 150ms, box-shadow 150ms;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}
.fg-swatch { top: 0; left: 0; z-index: 2; }
.bg-swatch { bottom: 0; right: 0; z-index: 1; }
.fg-swatch.editing, .bg-swatch.editing {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 10px var(--accent-glow);
  z-index: 3;
}

#color-picker {
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}

/* Palette grid — horizontal flow, 2 rows visible */
.palette-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(40, minmax(0, 1fr));
  grid-template-rows: repeat(2, 1fr);
  grid-auto-rows: minmax(0, 1fr);
  gap: 2px;
  height: 68px;
  align-content: stretch;
  min-width: 0;
}
.swatch {
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1px;
  transition: transform 100ms var(--ease-out), box-shadow 100ms;
  min-width: 0;
  height: 100%;
}
.swatch:hover {
  transform: scale(1.25);
  z-index: 5;
  position: relative;
  border-color: var(--text-bright);
  box-shadow: 0 0 0 1px var(--bg-app), 0 2px 8px rgba(0, 0, 0, 0.8);
}
.swatch.active {
  border: 2px solid var(--text-bright);
  box-shadow: 0 0 0 1px var(--accent), 0 0 8px var(--accent-glow);
  transform: scale(1.15);
  z-index: 6;
  position: relative;
}

/* ============================================================ LAYER COLORS / RECOLOR === */
.panel-section-recolor .panel-header-hint {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-left: auto;
}
.recolor-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
  gap: 4px;
  padding: 6px 2px 2px;
}
.recolor-swatch {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-end;
  aspect-ratio: 1;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  overflow: hidden;
  transition: transform 100ms var(--ease-out), border-color 100ms, box-shadow 100ms;
}
.recolor-swatch:hover {
  transform: scale(1.08);
  border-color: var(--text-bright);
  box-shadow: 0 0 0 1px var(--accent), 0 2px 8px rgba(0, 0, 0, 0.6);
  z-index: 3;
}
.recolor-sw-preview {
  flex: 1;
  background-image:
    linear-gradient(45deg, rgba(255,255,255,0.08) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.08) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.08) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.08) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px, 4px -4px, -4px 0;
}
.recolor-sw-count {
  display: block;
  padding: 1px 2px;
  font-family: var(--font-mono);
  font-size: 8.5px;
  color: var(--text-bright);
  background: rgba(0, 0, 0, 0.7);
  text-align: center;
  line-height: 1.2;
  pointer-events: none;
}
.recolor-empty {
  grid-column: 1 / -1;
  padding: 10px 8px;
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.45;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border);
  border-radius: 4px;
}
.recolor-overflow {
  grid-column: 1 / -1;
  padding: 4px 0 2px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-muted);
  text-align: center;
}

/* Recolor modal — side-by-side From / To preview with OK/Cancel */
.recolor-preview-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 18px;
}
.recolor-preview-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-width: 88px;
}
.recolor-preview-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
.recolor-preview-swatch {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
  background-image:
    linear-gradient(45deg, rgba(255,255,255,0.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.06) 25%, transparent 25%);
  background-size: 10px 10px;
}
.recolor-preview-hex {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-bright);
  font-weight: 600;
}
.recolor-preview-arrow {
  font-size: 22px;
  color: var(--accent);
}
.recolor-pick-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.recolor-pick-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  flex-shrink: 0;
}
#recolor-picker {
  width: 44px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.recolor-hex-input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 7px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  min-width: 0;
}
.recolor-hex-input:focus {
  outline: none;
  border-color: var(--accent);
}
.recolor-note {
  margin-top: 10px;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border-left: 2px solid var(--accent);
  border-radius: 0 4px 4px 0;
  font-size: 11.5px;
  color: var(--text-secondary);
}

/* Hide the Layer Colors panel in modes without a pixel canvas */
body[data-view="editor"][data-mode="messages"] .panel-section-recolor,
body[data-view="editor"][data-mode="loot"] .panel-section-recolor,
body[data-view="editor"][data-mode="text"] .panel-section-recolor,
body[data-view="editor"][data-mode="blocks"] .panel-section-recolor,
body[data-view="editor"][data-mode="addon"] .panel-section-recolor,
body[data-view="editor"][data-mode="world"] .panel-section-recolor {
  display: none !important;
}

.palette-preset-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 52px;
  padding: 0 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 120ms, color 120ms;
}
.palette-preset-btn:hover {
  border-color: var(--accent);
  color: var(--text-bright);
}
.palette-preset-btn i {
  font-size: 10px;
  opacity: 0.7;
}
#palette-preset-label {
  font-weight: 600;
  color: var(--text-bright);
  font-size: 11px;
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-body);
}

/* ============================================================ STATUSBAR === */
.canvas-statusbar {
  height: var(--statusbar-h);
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 12px;
  font-size: 10px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.stat-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.stat-label {
  color: var(--text-muted);
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.stat-sep {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-muted);
  opacity: 0.5;
}
.mode-stat { margin-left: auto; }
.mode-stat .stat-label { color: var(--accent); }

/* ============================================================= RIGHT PANEL === */
#right-panel {
  display: flex;
  flex-direction: column;
}

/* Mode panel gets priority placement */
#mode-panel {
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
}
#mode-panel:empty {
  display: none;
}
#mode-panel .panel-section {
  border-bottom: none;
}

/* Layers section — compact, bounded list */
.panel-section-layers {
  flex-shrink: 0;
}
.panel-section-layers .layer-list {
  max-height: 180px;
  overflow-y: auto;
  padding: 6px;
}
/* Stack the "Layers" label above the action icons so the icons get full panel width
   and don't wrap to two rows when space is tight (especially on <1280px viewports). */
.panel-section-layers .panel-header-compact {
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}
.panel-section-layers .layer-actions {
  flex-wrap: nowrap;
  justify-content: flex-start;
}

.panel-section-canvas .prop-row {
  padding: 6px 14px 0;
}
.panel-section-canvas .chk-row {
  display: flex;
  gap: 14px;
  padding: 6px 14px 12px;
}

.color-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.palette-grid.legacy {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 3px;
  max-height: 140px;
  overflow-y: auto;
}

.layer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 7px;
  background: var(--bg-elevated);
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
  margin-bottom: 3px;
  transition: all 120ms var(--ease-out);
}
.layer-item:hover { background: var(--bg-hover); }
.layer-item.active {
  background: var(--bg-active);
  border-color: var(--accent);
  box-shadow: 0 0 8px -2px var(--accent-glow);
}
.layer-vis-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  font-size: 13px;
  width: 16px;
}
.layer-vis-btn:hover { color: var(--text-bright); }
.layer-thumb {
  width: 24px;
  height: 24px;
  border: 1px solid var(--border);
  image-rendering: pixelated;
  background-image:
    linear-gradient(45deg, #444 25%, transparent 25%),
    linear-gradient(-45deg, #444 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #444 75%),
    linear-gradient(-45deg, transparent 75%, #444 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0;
  flex-shrink: 0;
}
.layer-name {
  flex: 1;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 11px;
}
.layer-opacity {
  width: 56px;
  height: 14px;
  cursor: pointer;
  accent-color: var(--accent);
}

.prop-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.prop-row label {
  font-size: 11px;
  color: var(--text-secondary);
}
.prop-col {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 6px;
}
.prop-col .field-label,
.field-label {
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-display);
  font-weight: 500;
}

textarea {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  padding: 7px;
  border-radius: 3px;
  outline: none;
  resize: vertical;
  min-height: 52px;
  width: 100%;
  transition: border-color 150ms;
}
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

/* ============================================================ TEXT MODE === */
.text-preview-wrap { margin-top: 10px; }
.text-preview-box {
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2a30 75%),
    linear-gradient(-45deg, transparent 75%, #2a2a30 75%);
  background-color: var(--bg-primary);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70px;
  padding: 10px;
  margin-top: 4px;
  border-radius: 3px;
}
.text-preview-box canvas {
  display: block;
  image-rendering: pixelated;
  max-width: 100%;
}

/* ============================================================ MESSAGES === */
.grad-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  margin-bottom: 10px;
}
.grad-swatch {
  position: relative;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  transition: transform 120ms var(--ease-out), border-color 120ms;
}
.grad-swatch:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}
.grad-swatch.active {
  border: 2px solid var(--text-bright);
  box-shadow: 0 0 0 1px var(--accent), 0 2px 12px var(--accent-gen-glow);
}
.grad-swatch .grad-label {
  display: block;
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  font-family: var(--font-display);
  text-shadow: 0 0 3px rgba(0, 0, 0, 0.9), 0 0 1px rgba(0, 0, 0, 0.9);
  line-height: 30px;
  text-align: center;
  letter-spacing: 0.04em;
}

.msg-format-row {
  display: flex;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.msg-preview {
  background: #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 12px 14px;
  min-height: 36px;
  font-family: "VT323", "Minecraft", monospace;
  font-size: 18px;
  line-height: 1.4;
  text-align: center;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}

.sym-groups {
  max-height: 200px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 6px;
}
.sym-group { margin-bottom: 8px; }
.sym-group:last-child { margin-bottom: 0; }
.sym-group-label {
  font-family: var(--font-display);
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
  letter-spacing: 0.12em;
}
.sym-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
}
.sym-btn {
  width: 28px;
  height: 28px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: all 120ms var(--ease-out);
}
.sym-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--text-bright);
  transform: scale(1.1);
}

.msg-outputs {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.msg-output {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 7px 9px;
}
.msg-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}
.msg-output-label {
  font-family: var(--font-display);
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.msg-copy-btn {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 2px 10px;
  font-size: 10px;
  font-family: var(--font-display);
  border-radius: 2px;
  cursor: pointer;
  font-weight: 500;
  transition: all 120ms;
}
.msg-copy-btn:hover {
  background: var(--accent);
  color: var(--text-bright);
  border-color: var(--accent);
}
.msg-output-text {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-primary);
  word-break: break-all;
  max-height: 60px;
  overflow-y: auto;
  white-space: pre-wrap;
  background: var(--bg-secondary);
  padding: 5px 7px;
  border-radius: 2px;
}

/* =============================================================== SKIN === */
.skin-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  margin-bottom: 8px;
}
.skin-preset-btn {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 7px 4px;
  font-size: 11px;
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 3px;
  cursor: pointer;
  transition: all 120ms var(--ease-out);
}
.skin-preset-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.skin-preset-btn.active {
  background: var(--bg-active);
  color: var(--text-bright);
  border-color: var(--accent);
  box-shadow: 0 0 10px -2px var(--accent-glow);
}

.skin-focus-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 3px;
  margin-top: 4px;
}
.skin-focus-btn {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 5px 2px;
  font-size: 9px;
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 2px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 120ms;
}
.skin-focus-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--text-primary);
}
.skin-focus-btn.active {
  background: var(--bg-active);
  color: var(--text-bright);
  border-color: var(--accent);
}

/* Body part overlay — drawn on top of the skin canvas so students can see
   where HEAD / BODY / ARMS / LEGS live without having to memorize the UV map. */
.skin-overlay-toggles {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 2px;
}
.skin-overlay-chk {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}
.skin-overlay-chk input[type="checkbox"] {
  margin: 0;
  accent-color: var(--accent);
  flex-shrink: 0;
}
.skin-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 8;
}
.skin-overlay[hidden] { display: none; }
.skin-region {
  position: absolute;
  box-sizing: border-box;
  display: block;
  opacity: 0;
  transition: opacity 120ms ease;
}
/* Base body parts show as solid outlines when `regions-on` is set. */
.skin-overlay.regions-on .skin-region[data-layer="base"] {
  opacity: 1;
  border: 2px solid var(--region-color);
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(0, 0, 0, 0.4);
}
/* Second-layer overlays (hat, jacket, sleeves, pants) show with a DASHED
   outline so students can tell them apart from the base parts. */
.skin-overlay.extras-on .skin-region[data-layer="extra"] {
  opacity: 0.95;
  border: 2px dashed var(--region-color);
  box-shadow:
    inset 0 0 0 1px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(0, 0, 0, 0.3);
}
.skin-region-label {
  position: absolute;
  top: 2px;
  left: 2px;
  padding: 1px 5px 2px;
  background: var(--region-color);
  color: #0b0b0b;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  border-radius: 2px;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
  opacity: 0;
  transform: translateY(-1px);
  transition: opacity 120ms ease;
}
/* Labels show only on regions that are currently visible. */
.skin-overlay.labels-on.regions-on .skin-region[data-layer="base"] .skin-region-label,
.skin-overlay.labels-on.extras-on .skin-region[data-layer="extra"] .skin-region-label {
  opacity: 0.95;
}

.skin-library-search {
  margin: 4px 0 6px;
}
.skin-library-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  max-height: 180px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px;
}
.skin-lib-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 4px 2px 3px;
  background: var(--bg-elevated);
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: all 120ms var(--ease-out);
}
.skin-lib-item:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.skin-lib-item img {
  width: 40px;
  height: 40px;
  image-rendering: pixelated;
  object-fit: contain;
}
.skin-lib-item span {
  font-size: 8px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.1;
  max-width: 58px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-display);
}
.skin-lib-item:hover span { color: var(--text-bright); }

/* ========================================================== MY SKINS === */
.myskins-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  max-height: 220px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 5px;
}
.myskin-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 3px 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: all 120ms var(--ease-out);
}
.myskin-item:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.myskin-item img {
  width: 42px;
  height: 42px;
  image-rendering: pixelated;
  cursor: pointer;
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%);
  background-size: 6px 6px;
}
.myskin-name {
  font-size: 9px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.1;
  max-width: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-display);
  cursor: pointer;
}
.myskin-item:hover .myskin-name { color: var(--text-bright); }
.myskin-actions {
  display: flex;
  gap: 2px;
  margin-top: 3px;
}
.myskin-btn {
  width: 18px;
  height: 18px;
  padding: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 10px;
  border-radius: 2px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 100ms;
}
.myskin-btn:hover {
  background: var(--bg-active);
  border-color: var(--accent);
  color: var(--text-bright);
}
.myskin-btn.danger:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--text-bright);
}

.skin-3d-host {
  background:
    radial-gradient(ellipse at center, rgba(78, 201, 176, 0.06) 0%, transparent 65%),
    #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 3px;
  height: 280px;
  width: 100%;
  overflow: hidden;
  margin-top: 4px;
  position: relative;
}
.skin-3d-host::after {
  /* Subtle corner marks */
  content: "";
  position: absolute;
  top: 6px; left: 6px;
  width: 14px; height: 14px;
  border-top: 1px solid var(--accent);
  border-left: 1px solid var(--accent);
  opacity: 0.4;
  pointer-events: none;
}
.skin-3d-host canvas { display: block; }

/* ============================================================ BLOCKS === */
.blocks-palettes {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 6px 0 10px;
}
.blocks-palette-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
  transition: border-color 120ms;
}
.blocks-palette-row:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.blocks-palette-label {
  min-width: 72px;
  color: var(--text-primary);
  font-weight: 500;
}
.blocks-swatches {
  display: flex;
  flex: 1;
  gap: 1px;
}
.blocks-swatch {
  flex: 1;
  height: 14px;
  border: 1px solid rgba(0, 0, 0, 0.3);
  display: block;
}

/* ============================================================ PIXELIZE === */
.pixelize-previews {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}
.pixelize-prev-col {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.pixelize-prev-box {
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2a30 75%),
    linear-gradient(-45deg, transparent 75%, #2a2a30 75%);
  background-color: var(--bg-primary);
  background-size: 10px 10px;
  background-position: 0 0, 0 5px, 5px -5px, -5px 0;
  border: 1px solid var(--border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  padding: 10px;
  margin-top: 4px;
}
.pixelize-prev-box canvas {
  display: block;
  image-rendering: pixelated;
  max-width: 100%;
}

/* ============================================================ HELP MODAL === */
.help-modal-body {
  max-width: 560px;
}
.help-description {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.55;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.help-section {
  margin-bottom: 16px;
}
.help-section h3 {
  font-family: var(--font-display);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin: 0 0 8px;
  font-weight: 600;
}
.help-body {
  font-size: 12px;
  line-height: 1.6;
  color: var(--text-primary);
}
.help-body ul,
.help-body ol {
  margin: 4px 0;
  padding-left: 20px;
}
.help-body li {
  margin-bottom: 5px;
}
.help-body b { color: var(--text-bright); }
.help-body code,
.help-description code,
.blocks-palette-row code {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
}

/* ============================================================== INPUTS === */
select, input[type="text"], input[type="number"] {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 12px;
  padding: 5px 8px;
  border-radius: 3px;
  outline: none;
  transition: border-color 150ms;
}
select { cursor: pointer; }
select:focus, input[type="text"]:focus, input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

/* ============================================================== MODALS === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fade-in 180ms var(--ease-out);
  backdrop-filter: blur(3px);
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 24px;
  width: 400px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.02) inset;
  animation: modal-in 220ms var(--ease-out);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.modal-body { font-size: 13px; color: var(--text-primary); }
.modal-body p { margin: 0 0 12px; }
.modal-body .prop-row { margin-bottom: 10px; }
.modal-body label {
  display: block;
  font-size: 10px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-display);
}
.modal-body input[type="text"],
.modal-body input[type="number"],
.modal-body textarea,
.modal-body select {
  width: 100%;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 18px;
}
.modal-btn {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 8px 16px;
  font-size: 12px;
  font-family: var(--font-display);
  font-weight: 500;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: 0.02em;
  transition: all 120ms var(--ease-out);
}
.modal-btn:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.modal-btn.primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: var(--text-bright);
  border-color: var(--accent);
  box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset;
}
.modal-btn.primary:hover { filter: brightness(1.1); }
.modal-btn.danger {
  background: var(--danger);
  color: var(--text-bright);
  border-color: var(--danger);
}

/* =============================================================== TOAST === */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  color: var(--text-bright);
  padding: 11px 18px;
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font-display);
  font-weight: 500;
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.6);
  z-index: 10001;
  opacity: 0;
  pointer-events: none;
  transition: all 220ms var(--ease-out);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* ========================================================== NINESLICE === */
.ns-line {
  position: absolute;
  background: rgba(78, 201, 176, 0.9);
  pointer-events: auto;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5);
}
.ns-line.horizontal {
  cursor: ns-resize;
  height: 6px;
  left: 0;
  right: 0;
  margin-top: -2px;
  background: linear-gradient(0deg, transparent 0, transparent 2px, rgba(78, 201, 176, 0.9) 2px, rgba(78, 201, 176, 0.9) 4px, transparent 4px);
}
.ns-line.vertical {
  cursor: ew-resize;
  width: 6px;
  top: 0;
  bottom: 0;
  margin-left: -2px;
  background: linear-gradient(90deg, transparent 0, transparent 2px, rgba(78, 201, 176, 0.9) 2px, rgba(78, 201, 176, 0.9) 4px, transparent 4px);
}
.ns-line:hover { filter: brightness(1.4); }

.ns-preview {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 10px;
  margin-top: 6px;
  display: flex;
  gap: 8px;
  justify-content: space-around;
  align-items: center;
  min-height: 80px;
  border-radius: 3px;
}
.ns-preview canvas {
  image-rendering: pixelated;
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%);
  background-size: 6px 6px;
}

/* ======================================================= BUTTON STATES === */
.button-state-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 6px;
}
.button-state {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 8px;
  cursor: pointer;
  text-align: center;
  font-size: 10px;
  font-family: var(--font-display);
  color: var(--text-secondary);
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all 120ms;
}
.button-state:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.button-state.active {
  border-color: var(--accent);
  background: var(--bg-active);
  color: var(--text-bright);
}
.button-state canvas {
  width: 100%;
  height: 56px;
  image-rendering: pixelated;
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%);
  background-size: 6px 6px;
  display: block;
  margin-bottom: 4px;
  border-radius: 2px;
}

.btn-mock-wrap {
  padding: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  margin-top: 4px;
}
.btn-mock {
  position: relative;
  width: 100%;
  height: 48px;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
}
.btn-mock canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%);
  background-size: 6px 6px;
  border-radius: 2px;
}
.btn-mock-label {
  position: relative;
  z-index: 1;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--text-bright);
  letter-spacing: 0.08em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6), 0 0 1px #000;
  pointer-events: none;
}
.btn-mock-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.btn-mock-state-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-bright);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.btn-mock-state-badge[data-state="hover"]    { border-color: var(--accent); color: var(--accent); }
.btn-mock-state-badge[data-state="pressed"]  { border-color: var(--warning); color: var(--warning); }
.btn-mock-state-badge[data-state="disabled"] { color: var(--text-muted); }

/* ========================================================== LOOT FORGE === */
.lf-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
  background: var(--bg-primary);
  padding: 3px;
  border-radius: 3px;
  border: 1px solid var(--border);
}
.lf-tab {
  flex: 1;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 5px 8px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 500;
  border-radius: 2px;
  cursor: pointer;
  transition: all 120ms var(--ease-out);
}
.lf-tab:hover { color: var(--text-primary); background: var(--bg-hover); }
.lf-tab.active {
  background: var(--bg-elevated);
  border-color: var(--accent);
  color: var(--text-bright);
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.lf-main {
  position: absolute;
  inset: 0;
  padding: 20px 28px;
  overflow-y: auto;
  background: var(--bg-app);
  color: var(--text-primary);
}
.lf-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.lf-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--text-bright);
  margin: 0 0 4px;
  letter-spacing: 0.01em;
}
.lf-sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
  max-width: 540px;
}
.lf-header-actions {
  min-width: 280px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Chest */
.lf-chest-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 6px;
  max-width: 820px;
  margin-bottom: 14px;
}
.lf-slot {
  position: relative;
  aspect-ratio: 1;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 4px;
  cursor: pointer;
  transition: all 120ms var(--ease-out);
  overflow: hidden;
}
.lf-slot-num {
  position: absolute;
  top: 2px;
  left: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  opacity: 0.6;
}
.lf-slot-empty { color: var(--text-muted); }
.lf-slot-empty:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  transform: translateY(-1px);
}
.lf-slot-filled {
  background: var(--bg-elevated);
  border-color: var(--accent-gen);
  box-shadow: 0 0 10px -4px var(--accent-gen-glow);
}
.lf-slot-filled:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 14px -2px var(--accent-gen-glow);
}
.lf-slot-label {
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
  color: var(--text-bright);
  text-align: center;
  line-height: 1.15;
  word-break: break-word;
  margin-top: 6px;
}
.lf-slot-meta {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
  margin-top: 3px;
}
.lf-chest-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 820px;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}
.lf-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* Villager */
.lf-villager-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
}
.lf-villager-col { min-width: 0; }
.lf-villager-col input[type="text"],
.lf-villager-col select,
.lf-villager-col textarea {
  width: 100%;
}
.lf-name-preview {
  background: #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px 10px;
  margin-top: 6px;
  font-family: "VT323", "Minecraft", monospace;
  font-size: 16px;
  color: #fff;
  min-height: 28px;
}
.lf-format-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-top: 4px;
  padding: 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.lf-fmt-color,
.lf-fmt-style,
.lf-fmt-reset {
  width: 22px;
  height: 22px;
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  padding: 0;
  font-size: 10px;
  color: var(--text-primary);
  background: var(--bg-elevated);
  transition: all 100ms;
}
.lf-fmt-color { width: 22px; }
.lf-fmt-color:hover, .lf-fmt-style:hover, .lf-fmt-reset:hover {
  border-color: var(--accent);
  transform: scale(1.1);
}

.lf-radio-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.lf-radio {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}
.lf-radio input { accent-color: var(--accent); }

.lf-trades-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: calc(100vh - 280px);
  overflow-y: auto;
  padding-right: 2px;
}
.lf-empty {
  padding: 24px;
  text-align: center;
  color: var(--text-muted);
  background: var(--bg-primary);
  border: 1px dashed var(--border);
  border-radius: 3px;
  font-size: 12px;
}
.lf-trade-row {
  display: grid;
  grid-template-columns: 1fr 1fr 30px 1fr auto;
  gap: 8px;
  align-items: center;
  padding: 8px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
}
.lf-trade-side {
  cursor: pointer;
  padding: 6px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: all 100ms;
  min-width: 0;
}
.lf-trade-side:hover {
  border-color: var(--accent-gen);
  background: var(--bg-hover);
}
.lf-trade-optional { opacity: 0.5; }
.lf-trade-optional:hover { opacity: 1; }
.lf-trade-label {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 2px;
}
.lf-trade-item {
  font-size: 11px;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lf-trade-empty { color: var(--text-muted); font-style: italic; }
.lf-trade-arrow {
  text-align: center;
  color: var(--accent-gen);
  font-size: 18px;
  font-weight: 700;
}
.lf-trade-meta {
  display: flex;
  align-items: center;
  gap: 4px;
}
.lf-trade-tier,
.lf-trade-uses {
  font-size: 10px;
  padding: 3px 6px;
  max-width: 90px;
}
.lf-trade-uses { width: 56px; }
.lf-trade-remove {
  width: 24px;
  height: 24px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 2px;
  font-size: 12px;
}
.lf-trade-remove:hover {
  background: var(--danger);
  border-color: var(--danger);
  color: var(--text-bright);
}

/* Item Editor modal */
.item-editor-body { max-width: 600px; }
.ied-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.ied-col { min-width: 0; }
.ied-col select,
.ied-col input[type="text"],
.ied-col input[type="number"] { width: 100%; }
.ied-inline {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  margin-top: 6px;
}
.ied-format-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-top: 4px;
  padding: 4px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
}
.ied-fmt-color,
.ied-fmt-style,
.ied-fmt-reset {
  width: 22px;
  height: 22px;
  border: 1px solid var(--border);
  border-radius: 2px;
  cursor: pointer;
  padding: 0;
  font-size: 10px;
  color: var(--text-primary);
  background: var(--bg-elevated);
  transition: all 100ms;
}
.ied-fmt-color:hover, .ied-fmt-style:hover, .ied-fmt-reset:hover {
  border-color: var(--accent);
  transform: scale(1.1);
}
.ied-preview {
  background: #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 6px 10px;
  margin-top: 6px;
  font-family: "VT323", "Minecraft", monospace;
  font-size: 15px;
  color: #fff;
  min-height: 26px;
}

.ied-lore {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}
.ied-lore-row {
  display: flex;
  gap: 4px;
}
.ied-lore-input { flex: 1; }
.ied-lore-remove {
  width: 24px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 2px;
}
.ied-lore-remove:hover { background: var(--danger); border-color: var(--danger); color: var(--text-bright); }
.ied-lore-preview {
  margin-top: 6px;
  background: #0a0a0c;
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 6px 10px;
  font-family: "VT323", "Minecraft", monospace;
  font-size: 13px;
  color: #ccc;
}
.ied-lore-preview div { margin-bottom: 2px; }

.ied-ench-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 240px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 4px;
}
.ied-ench-row {
  display: grid;
  grid-template-columns: 1fr 72px 28px;
  gap: 4px;
  align-items: center;
}
.ied-ench-id { min-width: 0; }
.ied-ench-lvl { text-align: center; }
.ied-ench-remove {
  width: 26px;
  height: 26px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 2px;
}
.ied-ench-remove:hover { background: var(--danger); border-color: var(--danger); color: var(--text-bright); }
.ied-empty {
  padding: 10px;
  text-align: center;
  color: var(--text-muted);
  font-style: italic;
  font-size: 11px;
}
.ied-hint {
  font-size: 10px;
  color: var(--text-muted);
  margin: 8px 0 0;
  line-height: 1.4;
}
.ied-summary {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-primary);
}
.ied-chip {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--accent-gen);
  color: var(--accent-gen);
  border-radius: 2px;
  font-size: 9px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================================== ATLAS === */
.atlas-actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.atlas-actions .modal-btn {
  flex: 1;
  padding: 6px 8px;
  font-size: 10px;
}
.atlas-actions .modal-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===================================================== CONTAINER PREVIEW === */
.preview-host {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 6px 10px 12px;
}
.preview-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.preview-label {
  font-family: var(--font-display);
  font-size: 9px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 600;
  align-self: flex-start;
}
.preview-canvas {
  image-rendering: pixelated;
  max-width: 100%;
  height: auto;
  background:
    linear-gradient(45deg, #1a1a1e 25%, transparent 25%),
    linear-gradient(-45deg, #1a1a1e 25%, transparent 25%);
  background-size: 8px 8px;
  background-color: #0a0a0c;
  border: 1px solid var(--border);
}

/* ============================================================ RESPONSIVE === */
.panel-toggle-btn { display: none; }

.panel-backdrop {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 80;
  display: none;
  animation: fade-in 150ms var(--ease-out);
  backdrop-filter: blur(2px);
}
body.panel-open-left .panel-backdrop,
body.panel-open-right .panel-backdrop { display: block; }

@media (max-width: 1279px) {
  :root {
    --left-w: 220px;
    --right-w: 272px;
  }
  .mode-btn span { display: none; }
  .mode-btn { padding: 5px 6px; }
  .mode-cluster-label { padding: 0 6px 0 2px; }
  .brand-text .brand-tag { display: none; }
  .brand-text .brand-name { font-size: 12px; }
}

@media (max-width: 1023px) {
  .panel-toggle-btn { display: inline-flex; }
  /* Panels become slide-in drawers */
  #left-panel, #right-panel {
    position: fixed;
    top: var(--header-h);
    bottom: 0;
    z-index: 90;
    transition: transform 220ms var(--ease-out);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.6);
  }
  #left-panel {
    left: 0;
    width: 280px;
    transform: translateX(-100%);
  }
  #right-panel {
    right: 0;
    width: 300px;
    transform: translateX(100%);
  }
  body.panel-open-left #left-panel { transform: translateX(0); }
  body.panel-open-right #right-panel { transform: translateX(0); }
  /* When closed, workspace uses full width for canvas */
  #workspace { width: 100%; }
  .mode-cluster-label { display: none; }
  .mode-cluster-sep { margin: 0 2px; }
  .color-strip-divider { display: none; }
  #color-strip { gap: 8px; padding: 8px 10px; }
  .file-group .icon-btn { width: 28px; height: 28px; }
}

@media (max-width: 600px) {
  #left-panel { width: 90vw; }
  #right-panel { width: 90vw; }
  .brand-text { display: none; }
  .canvas-toolbar { overflow-x: auto; }
}

/* =========================================================== SCROLLBARS === */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ========================================================= CONTEXT MENU === */
.context-menu {
  position: fixed;
  z-index: 10050;
  min-width: 200px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 4px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255,255,255,0.02) inset;
  animation: context-in 120ms var(--ease-out);
  font-family: var(--font-body);
}
@keyframes context-in {
  from { opacity: 0; transform: translateY(-2px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 6px 10px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: 3px;
  transition: background 100ms;
}
.context-menu-item i {
  width: 14px;
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  flex-shrink: 0;
}
.context-menu-icon-gap {
  display: inline-block;
  width: 14px;
  flex-shrink: 0;
}
.context-menu-label {
  flex: 1;
  white-space: nowrap;
}
.context-menu-shortcut {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  padding-left: 12px;
}
.context-menu-item:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.context-menu-item:hover i { color: var(--accent); }
.context-menu-item.disabled {
  color: var(--text-muted);
  cursor: default;
  pointer-events: none;
}
.context-menu-item.danger:hover {
  background: var(--danger);
  color: var(--text-bright);
}
.context-menu-item.danger:hover i { color: var(--text-bright); }
.context-menu-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 2px;
}

/* ================================================ TEXT-LIVE POPOVER === */
.text-live-popover {
  position: fixed;
  z-index: 10060;
  background: var(--bg-secondary);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 10px;
  min-width: 260px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6);
  font-family: var(--font-body);
  animation: context-in 120ms var(--ease-out);
}
.text-live-popover .tlp-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}
.text-live-popover .tlp-input {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 6px 9px;
  border-radius: 3px;
  outline: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.text-live-popover .tlp-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.text-live-popover .tlp-controls { justify-content: space-between; }
.text-live-popover .tlp-font {
  flex: 1;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 11px;
  padding: 4px 6px;
  border-radius: 3px;
  cursor: pointer;
}
.text-live-popover .tlp-align {
  display: flex;
  gap: 2px;
}
.text-live-popover .tlp-align button {
  width: 26px;
  height: 26px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 2px;
  transition: all 100ms;
}
.text-live-popover .tlp-align button:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.text-live-popover .tlp-align button.active {
  background: var(--bg-active);
  border-color: var(--accent);
  color: var(--text-bright);
}
.text-live-popover .tlp-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  margin-top: 4px;
}

/* =========================================================== MODE PANELS === */
/* Every mode panel inherits consistent internal padding */
#mode-panel .panel-section {
  padding: 12px 14px 14px;
}
#mode-panel .panel-section > p:first-of-type {
  margin-top: 0;
}

/* Layers section internal spacing */
.panel-section-layers .layer-list {
  padding: 8px 10px;
}

/* ========================================================= SKIN PACK === */
.skinpack-current {
  background: var(--bg-active);
  border: 1px solid var(--accent);
  border-radius: 3px;
  padding: 10px 12px;
  margin-bottom: 12px;
  box-shadow: 0 0 12px -2px var(--accent-glow);
}
.skinpack-current-label {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}
.skinpack-current-label input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.skinpack-current-label img {
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2a30 75%),
    linear-gradient(-45deg, transparent 75%, #2a2a30 75%);
  background-size: 6px 6px;
  flex-shrink: 0;
}
.skinpack-current-title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 4px;
}
.skinpack-current-name input {
  font-size: 11px;
  padding: 3px 6px;
  width: 180px;
}

.skinpack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 6px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 8px;
}
.skinpack-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
  transition: all 120ms var(--ease-out);
  text-align: center;
}
.skinpack-item:hover {
  background: var(--bg-hover);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}
.skinpack-item:has(input:checked) {
  background: var(--bg-active);
  border-color: var(--accent);
  box-shadow: 0 0 10px -2px var(--accent-glow);
}
.skinpack-item input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.skinpack-item img {
  width: 48px;
  height: 48px;
  image-rendering: pixelated;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 2px;
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2a30 75%),
    linear-gradient(-45deg, transparent 75%, #2a2a30 75%);
  background-size: 6px 6px;
}
.skinpack-name {
  font-size: 9px;
  font-family: var(--font-display);
  color: var(--text-secondary);
  line-height: 1.2;
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.skinpack-item:has(input:checked) .skinpack-name {
  color: var(--text-bright);
}

/* ======================================================= DOWNLOAD MODAL === */
.dl-option-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.dl-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  text-align: left;
  transition: all 120ms var(--ease-out);
  font-family: inherit;
  color: inherit;
  width: 100%;
}
.dl-option:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  transform: translateX(2px);
  box-shadow: 0 0 12px -4px var(--accent-glow);
}
.dl-option-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--accent);
  font-size: 18px;
}
.dl-option:hover .dl-option-icon {
  background: var(--bg-active);
  border-color: var(--accent);
}
.dl-option-body { flex: 1; min-width: 0; }
.dl-option-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 3px;
}
.dl-option-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.4;
}
.dl-divider {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
  position: relative;
}
.dl-divider::before {
  content: "or export the whole pack";
  position: absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-secondary);
  padding: 0 10px;
  font-family: var(--font-display);
  font-size: 9px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ============================================================= BATCH EXPORT === */
.batch-toolbar {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}
.batch-toolbar .modal-btn { padding: 5px 10px; font-size: 11px; }
.batch-list {
  max-height: 360px;
  overflow-y: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 4px;
}
.batch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  background: var(--bg-elevated);
  border: 1px solid transparent;
  border-radius: 3px;
  margin-bottom: 3px;
  cursor: pointer;
  transition: all 100ms;
}
.batch-row:hover { background: var(--bg-hover); border-color: var(--border-strong); }
.batch-row input[type="checkbox"] {
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}
.batch-thumb {
  width: 40px;
  height: 40px;
  image-rendering: pixelated;
  background:
    linear-gradient(45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a30 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2a30 75%),
    linear-gradient(-45deg, transparent 75%, #2a2a30 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0;
  border: 1px solid var(--border);
  border-radius: 2px;
  flex-shrink: 0;
}
.batch-meta { flex: 1; min-width: 0; }
.batch-path {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-bright);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.batch-sub {
  display: flex;
  gap: 8px;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}
.batch-badge {
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  padding: 1px 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 2px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.batch-badge-texture  { color: var(--accent-edit); border-color: var(--accent-edit); }
.batch-badge-nineslice { color: var(--accent-edit); border-color: var(--accent-edit); }
.batch-badge-buttons   { color: var(--warning); border-color: var(--warning); }
.batch-badge-glyphs    { color: var(--accent-gen); border-color: var(--accent-gen); }
.batch-badge-skin      { color: var(--accent-edit); border-color: var(--accent-edit); }

.dl-option.disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.dl-option.disabled:hover {
  background: var(--bg-elevated);
  border-color: var(--border);
  transform: none;
  box-shadow: none;
}

/* =================================================== LAYERS MULTI-SELECT === */
.layer-item.selected {
  background: var(--bg-hover);
  border-color: var(--accent);
  border-style: dashed;
}
.layer-item.selected.active {
  background: var(--bg-active);
  border-style: solid;
  box-shadow: 0 0 8px -2px var(--accent-glow);
}

.layer-item .layer-name[contenteditable="true"] {
  outline: 1px solid var(--accent);
  outline-offset: -1px;
  background: var(--bg-primary);
  padding: 0 3px;
}

/* ========================================================== LOAD-MORE === */
.load-more-btn {
  grid-column: 1 / -1;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 8px;
  cursor: pointer;
  border-radius: 3px;
  margin-top: 6px;
  font-family: var(--font-display);
  font-size: 11px;
  transition: all 120ms;
}
.load-more-btn:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
}

/* =========================================================================
   VIEW ROUTER — Hub vs Editor
   Body has data-view="hub" or data-view="editor". Matching view is visible.
   ========================================================================= */

#view-hub { display: none; }
body[data-view="hub"] #view-hub { display: block; }
body[data-view="hub"] #app { display: none; }
/* When view=editor, #app uses its base flex display from the layout section above */

body[data-view="hub"] .editor-only { display: none !important; }
body[data-view="editor"] .hub-only { display: none !important; }

/* =========================================================================
   PER-MODE FOCUS — hide panels and tools that aren't relevant to the
   active mode so each editor feels purpose-built rather than cluttered.
   ========================================================================= */

/* Modes that don't use the shared Asset Browser: hide the left panel */
body[data-view="editor"][data-mode="skin"] #left-panel,
body[data-view="editor"][data-mode="text"] #left-panel,
body[data-view="editor"][data-mode="messages"] #left-panel,
body[data-view="editor"][data-mode="loot"] #left-panel,
body[data-view="editor"][data-mode="blocks"] #left-panel,
body[data-view="editor"][data-mode="addon"] #left-panel,
body[data-view="editor"][data-mode="world"] #left-panel,
body[data-view="editor"][data-mode="ui"] #left-panel {
  display: none !important;
}
/* Expand the canvas area when the left panel is hidden */
body[data-view="editor"][data-mode="skin"] #workspace,
body[data-view="editor"][data-mode="text"] #workspace,
body[data-view="editor"][data-mode="messages"] #workspace,
body[data-view="editor"][data-mode="loot"] #workspace,
body[data-view="editor"][data-mode="blocks"] #workspace,
body[data-view="editor"][data-mode="ui"] #workspace {
  grid-template-columns: 0 1fr var(--right-w) !important;
}

/* Minecraft UI needs a wider right panel because it houses the whole element
   catalog */
body[data-view="editor"][data-mode="ui"] #workspace {
  grid-template-columns: 0 1fr 340px !important;
}

/* =========================================================================
   ASSET PANEL TAB VISIBILITY — hide tabs that aren't relevant per mode so
   younger students see only the pickers that apply to what they're making.
   ========================================================================= */

/* Texture mode: only Items + Blocks (UI/GUI/Font have dedicated modes now) */
body[data-mode="texture"] .asset-tab[data-category="ui"],
body[data-mode="texture"] .asset-tab[data-category="gui"],
body[data-mode="texture"] .asset-tab[data-category="font"] { display: none; }

/* Nineslice + Buttons: UI only */
body[data-mode="nineslice"] .asset-tab[data-category="items"],
body[data-mode="nineslice"] .asset-tab[data-category="blocks"],
body[data-mode="nineslice"] .asset-tab[data-category="gui"],
body[data-mode="nineslice"] .asset-tab[data-category="font"],
body[data-mode="buttons"]   .asset-tab[data-category="items"],
body[data-mode="buttons"]   .asset-tab[data-category="blocks"],
body[data-mode="buttons"]   .asset-tab[data-category="gui"],
body[data-mode="buttons"]   .asset-tab[data-category="font"] { display: none; }

/* Atlas (legacy spritesheets): GUI only */
body[data-mode="atlas"] .asset-tab[data-category="items"],
body[data-mode="atlas"] .asset-tab[data-category="blocks"],
body[data-mode="atlas"] .asset-tab[data-category="ui"],
body[data-mode="atlas"] .asset-tab[data-category="font"] { display: none; }

/* Glyphs: Font only */
body[data-mode="glyphs"] .asset-tab[data-category="items"],
body[data-mode="glyphs"] .asset-tab[data-category="blocks"],
body[data-mode="glyphs"] .asset-tab[data-category="ui"],
body[data-mode="glyphs"] .asset-tab[data-category="gui"] { display: none; }

.panel-header-hint {
  display: block;
  font-family: var(--font-body);
  font-size: 10.5px;
  color: var(--text-muted);
  letter-spacing: 0;
  text-transform: none;
  margin-top: 2px;
  font-weight: 400;
}

/* Modes without an active drawing canvas hide the canvas toolbar + viewport.
   For now, only the Messages and Loot modes fit this — they're form-based. */
body[data-view="editor"][data-mode="messages"] .canvas-toolbar,
body[data-view="editor"][data-mode="messages"] #canvas-viewport,
body[data-view="editor"][data-mode="messages"] #color-strip,
body[data-view="editor"][data-mode="loot"] .canvas-toolbar,
body[data-view="editor"][data-mode="loot"] #canvas-viewport,
body[data-view="editor"][data-mode="loot"] #color-strip {
  display: none !important;
}
body[data-view="editor"][data-mode="messages"] #center-panel,
body[data-view="editor"][data-mode="loot"] #center-panel {
  background: var(--bg-primary);
}
/* Form-based modes need room to breathe — give them the center+right merged */
body[data-view="editor"][data-mode="messages"] #right-panel,
body[data-view="editor"][data-mode="loot"] #right-panel {
  width: auto;
  min-width: 360px;
}

/* Hide tools that don't make sense for simpler modes. Skin students don't need
   Dither/Dodge/Stamp/Select/Move — they just paint. */
body[data-view="editor"][data-mode="skin"] [data-tool="dither"],
body[data-view="editor"][data-mode="skin"] [data-tool="dodge"],
body[data-view="editor"][data-mode="skin"] [data-tool="select"],
body[data-view="editor"][data-mode="skin"] [data-tool="move"] {
  display: none !important;
}
/* Hide the canvas-size selector for fixed-size modes */
body[data-view="editor"][data-mode="skin"] .panel-section-canvas .prop-row,
body[data-view="editor"][data-mode="glyphs"] .panel-section-canvas .prop-row {
  display: none !important;
}

/* Download button is always visible in the top-right. Its click handler is
   context-aware (see app.js openDownloadModal): hub → opens a quick menu
   that routes to addon/world; editor canvas modes → opens the download
   options modal; addon/world modes → triggers the build directly. */

/* Header always visible and positioned at top */
body[data-view="hub"] #header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
}

/* =========================================================================
   HUB LANDING VIEW
   ========================================================================= */

.view-hub {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  bottom: 0;
  overflow-y: auto;
  background: var(--bg-app);
}

.hub-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 32px 32px 48px;
  min-height: 100%;
}

/* Solo layout — single column when there's no permanent My Stuff sidebar. */
.hub-layout-solo {
  grid-template-columns: 1fr;
  max-width: 1200px;
}

.hub-main { min-width: 0; }

.hub-header-row { margin-bottom: 24px; }

.hub-headline h1 {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 400;
  color: var(--text-bright);
  margin: 0 0 10px 0;
  letter-spacing: 0.01em;
  line-height: 1.1;
  /* Minecraft is a pixel font — disable subpixel smoothing for crisper edges */
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: auto;
}

.hub-headline p {
  font-size: 15px;
  color: var(--text-secondary);
  margin: 0;
  max-width: 560px;
}

.hub-headline p b {
  color: var(--text-primary);
  font-weight: 600;
}

.hub-utility-row {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.hub-util-pill {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 16px;
  border-radius: 20px;
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 150ms var(--ease-out);
}
.hub-util-pill:hover {
  background: var(--bg-hover);
  border-color: var(--accent);
  color: var(--text-bright);
}
.hub-util-pill i { font-size: 14px; opacity: 0.8; }

/* Primary utility pill — the Open Saved button. Filled teal to stand out as the
   main secondary CTA next to Download. */
.hub-util-pill.primary-util {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 500;
}
.hub-util-pill.primary-util:hover {
  background: var(--accent);
  color: var(--bg-primary);
}

.hub-util-pill-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: var(--bg-primary);
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-left: 6px;
  min-width: 18px;
}
.hub-util-pill.primary-util:hover .hub-util-pill-badge {
  background: var(--bg-primary);
  color: var(--accent);
}

/* Saved items modal — toolbar (tabs + import button) and grid */
.saved-modal-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.saved-modal-toolbar .mystuff-tabs {
  margin-bottom: 0;
  flex: 1;
}
.saved-modal-grid {
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)) !important;
  max-height: 56vh;
  overflow-y: auto;
  padding: 4px;
}

/* =========================================================================
   MINECRAFT UI EDITOR — category sidebar with clickable UI-element thumbs
   ========================================================================= */

.mcui-panel {
  padding: 14px;
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 10px;
}

.mcui-header h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-bright);
  margin: 0 0 4px 0;
  font-weight: 400;
  -webkit-font-smoothing: none;
}

.mcui-header p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 6px 0;
  line-height: 1.4;
}

.mcui-sidebar {
  flex: 1;
  overflow-y: auto;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mcui-category {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.mcui-category > summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--text-bright);
  font-weight: 400;
  -webkit-font-smoothing: none;
  user-select: none;
  list-style: none;
}
.mcui-category > summary::-webkit-details-marker { display: none; }
.mcui-category > summary::before {
  content: "\25B6";
  font-size: 9px;
  color: var(--text-muted);
  transition: transform 150ms var(--ease-out);
  display: inline-block;
}
.mcui-category[open] > summary::before { transform: rotate(90deg); }
.mcui-category > summary i { color: var(--accent); font-size: 14px; }
.mcui-category > summary span:first-of-type { flex: 1; }

.mcui-count {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  background: var(--bg-primary);
  padding: 1px 7px;
  border-radius: 10px;
}

.mcui-element-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 6px;
  padding: 8px 10px 10px;
  border-top: 1px solid var(--border);
}

.mcui-element {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 4px 4px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  transition: all 120ms;
  font-family: var(--font-body);
}
.mcui-element:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  transform: translateY(-1px);
}
.mcui-element.active {
  border-color: var(--accent);
  background: var(--accent-glow);
  box-shadow: 0 0 0 1px var(--accent) inset;
}

.mcui-element-thumb {
  width: 40px;
  height: 40px;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  background: repeating-conic-gradient(
    var(--canvas-checker-a) 0% 25%,
    var(--canvas-checker-b) 25% 50%
  ) 0 0 / 8px 8px;
  border-radius: 3px;
  padding: 2px;
}

.mcui-element-name {
  font-size: 10px;
  color: var(--text-primary);
  line-height: 1.2;
  text-align: center;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  max-width: 100%;
}

.hub-sections {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.hub-section[data-accent="amber"] {
  --section-accent: var(--accent-gen);
  --section-glow: var(--accent-gen-glow);
}
.hub-section[data-accent="teal"] {
  --section-accent: var(--accent-edit);
  --section-glow: var(--accent-edit-glow);
}

.hub-section-label {
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--section-accent, var(--accent));
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-left: 2px;
}

.hub-section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.hub-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 120px;
  font-family: var(--font-body);
  color: var(--text-primary);
  transition: transform 180ms var(--ease-out), border-color 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
  position: relative;
  overflow: hidden;
}

.hub-card:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--section-accent, var(--accent));
  box-shadow: 0 8px 24px -8px var(--section-glow, var(--accent-glow));
}

.hub-card:disabled,
.hub-card-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.hub-card-wide {
  grid-column: span 3;
  flex-direction: row;
  align-items: center;
  min-height: 88px;
}
.hub-card-wide .hub-card-icon { margin-right: 8px; }

.hub-card-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: var(--section-glow, var(--accent-glow));
  color: var(--section-accent, var(--accent));
  font-size: 28px;
  flex-shrink: 0;
  overflow: hidden;
}

/* Vanilla Minecraft texture icons — render pixelated, fit within the tile */
.hub-card-icon-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

/* Steve-head crop via background-image. A player skin is 64×64 with the head's
   front face at pixel (8,8) sized 8×8. We scale the background 5.5× (64→352)
   then shift it so pixel (8,8) lands at position (0,0) of the 44×44 tile:
   background-position = -8 × 5.5 = -44px for both axes. */
.hub-card-icon-head {
  width: 44px;
  height: 44px;
  background-size: 352px 352px;
  background-position: -44px -44px;
  background-repeat: no-repeat;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.hub-card-body { flex: 1; min-width: 0; }

.hub-card-title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
  color: var(--text-bright);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  line-height: 1.2;
  display: flex;
  align-items: center;
  gap: 8px;
  -webkit-font-smoothing: none;
}

.hub-card-desc {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.45;
}

.hub-card-badge {
  background: var(--bg-primary);
  color: var(--text-muted);
  font-size: 9px;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  padding: 2px 7px;
  border-radius: 10px;
  border: 1px solid var(--border);
  text-transform: uppercase;
}

/* MY STUFF SHELF */

.mystuff-panel {
  background: var(--bg-secondary);
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: start;
  position: sticky;
  top: 0;
  max-height: calc(100vh - var(--header-h) - 48px);
  overflow: hidden;
}

.mystuff-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.mystuff-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  color: var(--text-bright);
}

.mystuff-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 10px;
}

.mystuff-tabs {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.mystuff-tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 10.5px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: all 120ms;
}
.mystuff-tab:hover { background: var(--bg-hover); color: var(--text-primary); }
.mystuff-tab.active {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.mystuff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  overflow-y: auto;
  padding-right: 4px;
  flex: 1;
}

.mystuff-tile {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  transition: all 150ms;
  position: relative;
}
.mystuff-tile:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

.mystuff-tile-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: var(--bg-primary);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  image-rendering: pixelated;
}
.mystuff-tile-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
}

.mystuff-tile-placeholder { font-size: 24px; }

.mystuff-tile-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mystuff-tile-type {
  font-size: 9px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mystuff-tile-delete {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  border: none;
  color: #fff;
  font-size: 12px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 150ms;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.mystuff-tile:hover .mystuff-tile-delete { opacity: 1; }
.mystuff-tile-delete:hover { background: var(--danger); }

.mystuff-empty {
  grid-column: span 2;
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
}
.mystuff-empty i { font-size: 32px; display: block; margin-bottom: 10px; color: var(--accent); opacity: 0.5; }
.mystuff-empty-title {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 4px;
}
.mystuff-empty-desc { font-size: 12px; line-height: 1.4; }

/* HEADER ADDITIONS — Back to Hub button + Breadcrumb */

.hub-home-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 5px 12px;
  border-radius: 16px;
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 120ms;
  font-weight: 500;
}
.hub-home-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--accent);
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: 4px;
}
.breadcrumb-sep { color: var(--text-muted); }
.breadcrumb-label { color: var(--text-muted); }
.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
  font-family: var(--font-display);
}

/* RESPONSIVE — hub layout stacks on narrower screens */

@media (max-width: 1200px) {
  .hub-layout {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }
  .mystuff-panel {
    position: static;
    max-height: none;
    order: -1;
  }
  .mystuff-grid {
    grid-template-columns: repeat(4, 1fr);
    max-height: 240px;
  }
}

@media (max-width: 820px) {
  .hub-headline h1 { font-size: 36px; }
  .hub-section-grid { grid-template-columns: repeat(2, 1fr); }
  .hub-card-wide { grid-column: span 2; }
  .mystuff-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 560px) {
  .hub-layout { padding: 16px; }
  .hub-headline h1 { font-size: 28px; }
  .hub-section-grid { grid-template-columns: 1fr; }
  .hub-card-wide { grid-column: span 1; flex-direction: column; align-items: stretch; }
  .mystuff-grid { grid-template-columns: repeat(2, 1fr); }
  .breadcrumb-label, .breadcrumb-sep { display: none; }
  .hub-home-btn span { display: none; }
}

/* =========================================================================
   ADDON / WORLD ASSEMBLY VIEWS
   ========================================================================= */

.addon-view {
  padding: 18px 18px 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

/* Pack / World name field with a dice-reroll button tucked to the right. */
.pack-name-row {
  display: flex;
  gap: 6px;
  align-items: stretch;
}
.pack-name-row input[type="text"] {
  flex: 1;
  min-width: 0;
}
.pack-name-dice {
  flex-shrink: 0;
  width: 38px;
  height: auto;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: transform 200ms var(--ease-out), border-color 120ms, color 120ms;
}
.pack-name-dice:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(15deg);
}
.pack-name-dice:active {
  transform: rotate(-20deg) scale(0.95);
}

.addon-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.addon-section h3 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-bright);
  margin: 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.addon-total {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  color: var(--text-secondary);
}

.field-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 500;
}

.prop-col {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.prop-col input[type="text"],
.prop-col textarea,
.prop-col input[type="number"],
.prop-col select {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 13px;
  width: 100%;
}
.prop-col input:focus,
.prop-col textarea:focus,
.prop-col select:focus {
  border-color: var(--accent);
  outline: none;
}

.addon-groups {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.addon-group {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
}

.addon-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  padding-bottom: 8px;
  margin-bottom: 8px;
  border-bottom: 1px dashed var(--border);
}
.addon-group-header i { font-size: 16px; }
.addon-group-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--bg-primary);
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 400;
}

.addon-group-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px;
}

.addon-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: all 120ms;
}
.addon-item:hover { border-color: var(--accent); }
.addon-item input[type="checkbox"] {
  margin: 0;
  accent-color: var(--accent);
}
.addon-item-thumb {
  width: 24px;
  height: 24px;
  object-fit: contain;
  image-rendering: pixelated;
  background: var(--bg-secondary);
  border-radius: 3px;
  flex-shrink: 0;
}
.addon-item-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-primary);
}
.addon-item-unsupported {
  opacity: 0.5;
  cursor: not-allowed;
}
.addon-item-tag {
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  font-style: italic;
}

.addon-actions {
  align-items: center;
  text-align: center;
}

.primary-btn.large {
  width: 100%;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 600;
  justify-content: center;
}
.primary-btn.large i { font-size: 18px; margin-right: 8px; }
.primary-btn.large:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.addon-hint {
  font-size: 11.5px;
  color: var(--text-secondary);
  font-style: italic;
  margin-top: 4px;
}

.addon-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-secondary);
}
.addon-empty i {
  font-size: 40px;
  color: var(--accent);
  opacity: 0.6;
  display: block;
  margin-bottom: 10px;
}
.addon-empty h3 {
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text-bright);
  margin: 0 0 4px 0;
}
.addon-empty p {
  font-size: 12.5px;
  margin: 0 0 12px 0;
  line-height: 1.5;
}

/* For addon / world views — hide the shared right-panel Layers/Canvas sections
   since those don't apply; the mode-panel has everything */
body[data-view="editor"][data-mode="addon"] .panel-section-layers,
body[data-view="editor"][data-mode="addon"] .panel-section-canvas,
body[data-view="editor"][data-mode="world"] .panel-section-layers,
body[data-view="editor"][data-mode="world"] .panel-section-canvas {
  display: none !important;
}
/* And they don't need the canvas toolbar / viewport / color strip */
body[data-view="editor"][data-mode="addon"] .canvas-toolbar,
body[data-view="editor"][data-mode="addon"] #canvas-viewport,
body[data-view="editor"][data-mode="addon"] #color-strip,
body[data-view="editor"][data-mode="addon"] .canvas-statusbar,
body[data-view="editor"][data-mode="world"] .canvas-toolbar,
body[data-view="editor"][data-mode="world"] #canvas-viewport,
body[data-view="editor"][data-mode="world"] #color-strip,
body[data-view="editor"][data-mode="world"] .canvas-statusbar {
  display: none !important;
}
/* Expand right panel to the full available width */
body[data-view="editor"][data-mode="addon"] #right-panel,
body[data-view="editor"][data-mode="world"] #right-panel {
  width: auto;
  max-width: 720px;
  margin: 0 auto;
  padding: 0;
  border: none;
  background: transparent;
}
/* Addon and World modes use a 2-column layout that spans the full viewport
   so their content fits on screen without vertical scrolling. */
body[data-view="editor"][data-mode="world"] #right-panel,
body[data-view="editor"][data-mode="addon"] #right-panel {
  max-width: 1280px;
  overflow-y: auto;
}
body[data-view="editor"][data-mode="world"] .addon-view.world-view,
body[data-view="editor"][data-mode="addon"] .addon-view.build-split {
  max-width: 1280px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 16px;
  padding: 18px 18px 32px;
}
.world-grid-left,
.world-grid-right,
.build-grid-left,
.build-grid-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
@media (max-width: 960px) {
  body[data-view="editor"][data-mode="world"] .addon-view.world-view,
  body[data-view="editor"][data-mode="addon"] .addon-view.build-split {
    grid-template-columns: 1fr;
  }
}

/* World Type segmented chooser */
.world-type-seg {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.world-type-opt {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 12px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  text-align: center;
  transition: border-color 120ms, background 120ms;
}
.world-type-opt:hover { border-color: var(--border-strong); }
.world-type-opt.active {
  border-color: var(--accent);
  background: var(--accent-glow);
}
.world-type-opt input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.world-type-opt i {
  font-size: 20px;
  color: var(--text-bright);
}
.world-type-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
}
.world-type-desc {
  font-size: 10.5px;
  color: var(--text-secondary);
  line-height: 1.3;
}

/* Flat layer editor */
.flat-editor {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
  padding: 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
}
.flat-editor[hidden] { display: none; }
.flat-editor-hint {
  font-size: 11.5px;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.flat-editor-hint b { color: var(--text-bright); font-weight: 600; }
.flat-total {
  font-family: var(--font-mono);
  color: var(--text-bright);
  font-size: 11px;
}
.flat-layers {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 260px;
  overflow-y: auto;
}
.flat-layer-row {
  display: grid;
  grid-template-columns: 24px 1fr 72px auto auto;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
}
.flat-layer-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
}
.flat-layer-row select,
.flat-layer-row input[type="number"] {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 5px 8px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-size: 12px;
  min-width: 0;
}
.flat-layer-row select:focus,
.flat-layer-row input:focus {
  outline: none;
  border-color: var(--accent);
}
.flat-layer-unit {
  font-size: 10.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.flat-remove {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 4px 6px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
}
.flat-remove:hover:not(:disabled) {
  color: var(--accent-red, #e06c75);
  border-color: var(--border);
}
.flat-remove:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.flat-editor-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 4px;
}
.flat-editor-actions .secondary-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.flat-editor-actions .secondary-btn:hover {
  border-color: var(--accent);
  color: var(--text-bright);
}
.flat-presets {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-left: auto;
}
.flat-presets-label {
  font-size: 10.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.flat-preset-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 3px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 500;
}
.flat-preset-btn:hover {
  border-color: var(--accent);
  color: var(--text-bright);
}

/* Pack / World icon chooser — preview + three big action buttons.
   Replaces the older tile grid; cleaner and leaves room for Upload / Create /
   Gallery flows. */
.icon-chooser {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 4px 0;
}
.icon-chooser-preview {
  width: 120px;
  height: 120px;
  border-radius: 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  overflow: hidden;
  align-self: center;
  position: relative;
}
.icon-chooser-preview img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
  display: block;
}
.icon-chooser-default {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #4ec9b0 0%, #2d7a6b 100%);
}
.icon-chooser-default-glyph {
  width: 36px;
  height: 36px;
  background: #fff;
  border-radius: 4px;
}
.icon-chooser-default-text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.55);
  font-weight: 700;
}
.icon-chooser-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.icon-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 14px 8px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-primary);
  transition: all 120ms;
  min-height: 92px;
}
.icon-action-btn:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
  transform: translateY(-1px);
}
.icon-action-btn i {
  font-size: 22px;
  color: var(--accent);
  margin-bottom: 2px;
}
.icon-action-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
}
.icon-action-hint {
  font-size: 10.5px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.3;
}
.icon-chooser-reset {
  align-self: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 11px;
  padding: 4px 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.icon-chooser-reset:hover { color: var(--text-bright); }

/* Gallery modal — 2-column layout so everything fits on screen without
   scrolling on a Chromebook-sized viewport. */
.gallery-modal-body { overflow: visible; }
.gallery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  gap: 20px;
  align-items: start;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  min-width: 0;
}
.gallery-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 10px 4px 8px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  transition: all 120ms;
  min-width: 0;
}
.gallery-tile:hover {
  border-color: var(--border-strong);
  transform: scale(1.03);
}
.gallery-tile.active {
  border-color: var(--accent);
  background: var(--bg-active);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.gallery-tile img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  display: block;
}
.gallery-tile-label {
  font-size: 10.5px;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.2;
}
.gallery-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.gallery-side-hint {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  margin-bottom: 4px;
}
.gallery-side input[type="text"] {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 10px;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 13px;
}
.gallery-side input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}
.gallery-preview-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-top: 4px;
}
.gallery-preview-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
#gallery-preview {
  width: 192px;
  height: 192px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  image-rendering: pixelated;
  display: block;
}

/* On narrow screens, collapse to a single column. */
@media (max-width: 720px) {
  .gallery-layout { grid-template-columns: 1fr; }
}

/* Banner that shows inside Texture mode when the student is drawing a
   pack icon via Build Add-On / Build World "Create". */
.icon-draft-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: var(--accent-glow);
  border-bottom: 1px solid var(--accent);
  color: var(--text-bright);
  font-size: 12.5px;
  flex-shrink: 0;
}
.icon-draft-banner[hidden] { display: none !important; }
.icon-draft-banner > i { font-size: 18px; color: var(--accent); flex-shrink: 0; }
.icon-draft-text { flex: 1; line-height: 1.4; }
.icon-draft-text b { color: var(--text-bright); }
.icon-draft-banner .modal-btn { padding: 6px 12px; font-size: 12px; }

/* Pack / World icon picker — used in both Build Add-On and Build World */
.icon-picker-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 6px;
  max-height: 168px;
  overflow-y: auto;
  padding: 2px;
}
.icon-picker-tile {
  position: relative;
  aspect-ratio: 1;
  padding: 0;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 120ms, transform 100ms;
}
.icon-picker-tile:hover { border-color: var(--border-strong); transform: scale(1.03); }
.icon-picker-tile.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}
.icon-picker-tile img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  image-rendering: pixelated;
  display: block;
}
.icon-picker-default,
.icon-picker-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: var(--text-secondary);
}
.icon-picker-upload {
  background: var(--bg-tertiary);
  border-style: dashed;
}
.icon-picker-upload i {
  font-size: 22px;
  color: var(--accent);
}
.icon-picker-upload:hover {
  border-color: var(--accent);
  color: var(--text-bright);
}
.icon-picker-group-label {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 8px 0 4px;
}
.icon-picker-group-label:first-of-type { margin-top: 2px; }
.icon-picker-default-swatch {
  width: 60%;
  aspect-ratio: 1;
  background: linear-gradient(135deg, #4ec9b0 0%, #2d7a6b 100%);
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.1);
}
.icon-picker-default-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.icon-picker-empty {
  grid-column: 1 / -1;
  padding: 10px;
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  background: var(--bg-tertiary);
  border: 1px dashed var(--border);
  border-radius: 4px;
}

/* Experiments note — shared, extracted from inline styles */
.addon-note {
  background: var(--accent-gen-glow);
  border: 1px solid var(--accent-gen);
}
.addon-note-row {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.addon-note-row > i {
  color: var(--accent-gen);
  font-size: 20px;
  flex-shrink: 0;
}
.addon-note-title {
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 2px;
}
.addon-note-body {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}
body[data-view="editor"][data-mode="addon"] #workspace,
body[data-view="editor"][data-mode="world"] #workspace {
  grid-template-columns: 0 0 1fr !important;
  background: var(--bg-app);
}
body[data-view="editor"][data-mode="addon"] #center-panel,
body[data-view="editor"][data-mode="world"] #center-panel {
  display: none;
}