:root, [data-theme="dark"] {
  --bg-deep: #09090b;
  --bg-panel: rgba(17, 17, 21, 0.7);
  --bg-panel-light: rgba(26, 26, 36, 0.6);
  --bg-hover: rgba(38, 34, 54, 0.8);
  --bg-input: rgba(0, 0, 0, 0.5);
  
  --border: rgba(53, 45, 77, 0.5);
  --border-focus: #6366f1;
  
  --text: #f4f4f5;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.2);
  
  --success: #4ade80;
  --danger: #ef4444;
  --warning: #facc15;
  --info: #60a5fa;
  
  --font-sm: 'Minecraftia', sans-serif;
  --font-lg: 'Minecraft Title', sans-serif;
}

[data-theme="light"] {
  --bg-deep: #f3f0f8;
  --bg-panel: rgba(255, 255, 255, 0.85);
  --bg-panel-light: rgba(248, 247, 251, 0.85);
  --bg-hover: rgba(237, 233, 244, 0.85);
  --bg-input: rgba(255, 255, 255, 0.9);
  --border: rgba(212, 208, 223, 0.8);
  --border-focus: #6366f1;
  --text: #18181b;
  --text-muted: #52525b;
  --text-dim: #71717a;
  --accent-glow: rgba(99, 102, 241, 0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; font-family: var(--font-sm); }
h1, h2, h3, h4, h5, h6, .brand-text, .brand-logo, .panel-header h2, .modal-header h3 { font-family: var(--font-lg) !important; font-weight: normal; }

body {
  background: var(--bg-deep);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  image-rendering: pixelated;
  position: relative;
}

#bgVideo {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  object-fit: cover;
  z-index: -2;
}
#bgOverlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.65);
  z-index: -1;
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: rgba(0, 0, 0, 0.2); }
::-webkit-scrollbar-thumb { background: rgba(99, 102, 241, 0.4); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.flex-1 { flex: 1; display: flex; flex-direction: column; }
.scrollable { overflow-y: auto; overflow-x: hidden; }
.mono { font-family: var(--font-sm) !important; }

.navbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px;
  background: var(--bg-panel);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100; flex-shrink: 0;
  height: 60px;
}
.nav-brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 32px; object-fit: contain; }
.brand-text { font-size: 18px; color: var(--text); text-shadow: 2px 2px 0 rgba(0,0,0,0.5); letter-spacing: 1px; }
.nav-actions { display: flex; align-items: center; gap: 8px; }
.nav-divider { width: 1px; height: 24px; background: var(--border); margin: 0 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 12px;
  padding: 8px 16px; cursor: pointer;
  transition: all .15s ease; border: 1px solid; white-space: nowrap;
  border-radius: 4px;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary {
  background: var(--accent);
  color: #fff; border-color: var(--accent-hover);
}
.btn-primary:hover { background: var(--accent-hover); border-color: #fff; box-shadow: 0 0 10px var(--accent-glow); }
.btn-ghost { background: transparent; color: var(--text-muted); border-color: transparent; }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text); border-color: var(--border); }
.btn-ghost.active { background: var(--accent); color: #fff; }
.btn-icon { padding: 8px; }
.btn-danger { color: var(--danger); background: rgba(239,68,68,.1); border-color: transparent; }
.btn-danger:hover { background: var(--danger); color: #fff; border-color: #fca5a5; }
.btn-sm { padding: 4px 10px; font-size: 10px; }

.workspace { display: flex; flex: 1; align-items: stretch; height: calc(100vh - 60px - 32px); overflow: hidden; }
.panel { background: var(--bg-panel); backdrop-filter: blur(12px); display: flex; flex-direction: column; height: 100%; }
.sidebar-left { width: 340px; flex-shrink: 0; border-right: 1px solid var(--border); display: flex; flex-direction: column; position: relative; height: 100%; overflow: hidden; }
.sidebar-right { width: 450px; flex-shrink: 0; border-left: 1px solid var(--border); overflow-y: auto; overflow-x: hidden; }
.panel-header { padding: 12px 16px; border-bottom: 1px solid var(--border); background: var(--bg-panel-light); position: sticky; top: 0; z-index: 10; }
.panel-header h2 { font-size: 16px; color: var(--accent-hover); text-shadow: 2px 2px 0 rgba(0,0,0,0.5); letter-spacing: 1px; }
.panel-content { padding: 16px; flex: 1; display: flex; flex-direction: column; overflow-y: auto; overflow-x: hidden; }

.canvas { flex: 1; display: flex; flex-direction: column; overflow: hidden; background: transparent; }
.canvas-header { padding: 8px 16px; display: flex; justify-content: center; background: transparent; }
.canvas-tabs { display: flex; background: var(--bg-panel); backdrop-filter: blur(8px); padding: 4px; border: 1px solid var(--border); border-radius: 6px; }
.canvas-tab {
  background: transparent; border: 1px solid transparent; color: var(--text-muted);
  padding: 6px 20px; font-size: 12px; cursor: pointer; border-radius: 4px;
  transition: all .15s; display: flex; align-items: center; gap: 8px;
}
.canvas-tab svg { width: 16px; height: 16px; }
.canvas-tab.active { background: var(--accent); color: #fff; border-color: var(--accent-hover); }
.canvas-content { flex: 1; display: flex; position: relative; overflow: hidden; }

.grid-wrapper { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px; position: relative; overflow: hidden; }

.chest-gui {
    background: #c6c6c6;
    border: 3px solid;
    border-color: #ffffff #555555 #555555 #ffffff;
    padding: 8px 8px 12px 8px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.8);
    display: inline-flex;
    flex-direction: column;
}

.chest-gui-title {
    font-size: 16px;
    color: #404040;
    margin-bottom: 8px;
    margin-left: 2px;
    text-shadow: none;
}

.slot-grid { display: grid; grid-template-columns: repeat(9,1fr); gap: 0; }
.slot-grid[data-cols="5"] { grid-template-columns: repeat(5,1fr); }
.slot-grid[data-cols="3"] { grid-template-columns: repeat(3,1fr); }
.slot-grid[data-cols="1"] { grid-template-columns: 1fr; }
.slot-grid[data-cols="2"] { grid-template-columns: repeat(2,1fr); }
.slot-grid[data-cols="4"] { grid-template-columns: repeat(4,1fr); }
.slot-grid[data-cols="10"] { grid-template-columns: repeat(5,1fr); }

.slot {
  width: 44px; height: 44px; background: #8B8B8B;
  border: 2px solid; border-color: #373737 #fff #fff #373737;
  display: flex; align-items: center; justify-content: center;
  position: relative; cursor: pointer; user-select: none;
  overflow: hidden;
}
.slot:hover { background: #aaaaaa; }
.slot.active { border-color: var(--accent) !important; box-shadow: inset 0 0 15px var(--accent-glow); }
.slot.has-item { background: #8B8B8B; }
.slot.selected { border-color: var(--warning) !important; box-shadow: inset 0 0 15px rgba(250, 204, 21, 0.4); }
.slot.drag-over { background: #aaaaaa; border-color: var(--info) !important; }
.slot-number { position: absolute; bottom: 2px; right: 4px; font-size: 10px; color: rgba(55,55,55,.6); pointer-events: none; }
.slot-material { font-size: 8px; color: #222; text-align: center; line-height: 1.2; word-break: break-all; padding: 0 2px; }
.slot-texture { width: 32px; height: 32px; image-rendering: pixelated; pointer-events: none; }
.slot-texture.fallback { display: none; }
.slot-head { width: 32px; height: 32px; image-rendering: pixelated; }
.slot-amount { position: absolute; bottom: 2px; left: 4px; font-size: 12px; color: #fff; text-shadow: 2px 2px 0 #3F3F3F; pointer-events: none; }

.code-view { flex-direction: column; background: var(--bg-panel); backdrop-filter: blur(12px); padding: 16px; }
#monacoEditorContainer { flex: 1; width: 100%; height: 100%; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; background: #1e1e1e; }

.form-row { display: flex; gap: 12px; }
.input-group { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.input-group label, .section-label { font-size: 10px; color: var(--accent-hover); text-transform: uppercase; letter-spacing: 1px; }
.label-row { display: flex; justify-content: space-between; align-items: center; }
.hint { font-size: 9px; color: var(--text-dim); }

.input, .textarea, select {
  background: var(--bg-input); border: 1px solid var(--border); color: var(--text);
  padding: 10px 12px; font-size: 12px;
  border-radius: 4px; transition: all .2s; width: 100%;
}
.input:focus, .textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-glow); }
.textarea { resize: vertical; min-height: 80px; }
.textarea.sm { min-height: 60px; }
.sm-input { padding: 6px 8px; font-size: 10px; }
.input-with-btn { display: flex; gap: 0; }
.input-with-btn .input { flex: 1; border-right: none; border-top-right-radius: 0; border-bottom-right-radius: 0; }
.input-with-btn .btn { border-top-left-radius: 0; border-bottom-left-radius: 0; border: 1px solid var(--border); }
.inline-edit { background: transparent; border: 1px solid transparent; color: var(--text-muted); font-size: 12px; padding: 4px 8px; width: 150px; border-radius: 4px; }
.inline-edit:hover { border-color: var(--border); }
.inline-edit:focus { border-color: var(--accent); background: var(--bg-input); outline: none; color: var(--text); }
.color-input { width: 36px; height: 36px; border: 1px solid var(--border); cursor: pointer; background: transparent; padding: 0; border-radius: 4px; }

.sidebar-section { display: flex; flex-direction: column; gap: 8px; }
.section-title { display: flex; align-items: center; font-size: 14px; color: var(--accent-hover); font-weight: normal; margin-bottom: 8px; user-select: none; letter-spacing: 1px; text-shadow: 2px 2px 0 rgba(0,0,0,0.5); font-family: var(--font-lg) !important; }
.section-title i { width: 18px; height: 18px; margin-right: 8px; color: var(--accent); }
.section-body { display: flex; flex-direction: column; }
.section-divider { height: 1px; background: var(--border); margin: 16px 0; width: 100%; }
.scroll-fade-overlay {
  position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: linear-gradient(to bottom, transparent, var(--bg-deep));
  pointer-events: none; z-index: 5;
}

.item-list { display: flex; flex-direction: column; gap: 4px; max-height: 400px; overflow-y: auto; }
.item-list-entry { display: flex; align-items: center; padding: 6px 8px; cursor: pointer; font-size: 12px; transition: all .15s; border: 1px solid transparent; gap: 8px; background: var(--bg-input); border-radius: 4px; }
.item-list-entry:hover { background: var(--bg-hover); border-color: var(--border); }
.item-list-entry.active { background: var(--accent-glow); border-color: var(--accent); }
.item-list-slot { color: var(--text-dim); font-size: 10px; background: rgba(0,0,0,0.3); padding: 2px 6px; min-width: 28px; text-align: center; border-radius: 2px; }
.item-list-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.inspector-header { display: flex; justify-content: space-between; align-items: center; }
.inspector-title { display: flex; align-items: center; gap: 8px; }
.inspector-actions { display: flex; gap: 4px; }

.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; padding: 32px; text-align: center; color: var(--text-muted); }
.empty-icon-wrapper { background: var(--bg-panel-light); padding: 20px; border: 1px solid var(--border); margin-bottom: 16px; border-radius: 50%; }
.empty-icon-wrapper svg { width: 32px; height: 32px; color: var(--text-dim); }
.empty-state h3 { color: var(--accent-hover); margin-bottom: 8px; font-size: 18px; text-shadow: 2px 2px 0 rgba(0,0,0,0.5); }
.empty-state p { font-size: 12px; }
.shortcut-hints { display: flex; flex-direction: column; gap: 8px; margin-top: 24px; }
.shortcut { font-size: 10px; color: var(--text-dim); }
kbd { background: var(--bg-hover); border: 1px solid var(--border); padding: 2px 6px; font-size: 10px; color: var(--text); border-radius: 3px; }

.custom-tabs { display: flex; border-bottom: 1px solid var(--border); background: var(--bg-panel-light); position: sticky; top: 0; z-index: 5; }
.tab-btn { flex: 1; background: transparent; border: none; border-bottom: 2px solid transparent; color: var(--text-muted); padding: 12px 4px; font-size: 10px; cursor: pointer; transition: all .2s; display: flex; align-items: center; justify-content: center; gap: 6px; text-transform: uppercase; letter-spacing: 1px; }
.tab-btn svg { width: 14px; height: 14px; }
.tab-btn:hover { color: var(--text); background: var(--bg-hover); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); background: rgba(0,0,0,0.2); }
.tab-content-wrapper { flex: 1; display: flex; flex-direction: column; }
.tab-pane { display: none; padding: 20px; }
.tab-pane.active { display: flex; flex-direction: column; gap: 16px; }

.divider { height: 1px; background: var(--border); margin: 8px 0; }

.flag-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.checkbox-group { display: flex; align-items: center; gap: 8px; }
.switch { position: relative; display: inline-block; width: 36px; height: 20px; }
.switch.sm { width: 30px; height: 16px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider { position: absolute; cursor: pointer; inset: 0; background: rgba(0,0,0,0.5); border: 1px solid var(--border); transition: .2s; border-radius: 20px; }
.slider:before { position: absolute; content: ""; height: 12px; width: 12px; left: 2px; bottom: 2px; background: var(--text-muted); transition: .2s; border-radius: 50%; }
.switch.sm .slider:before { height: 8px; width: 8px; left: 2px; bottom: 2px; }
input:checked + .slider { background: var(--accent); border-color: var(--accent); }
input:checked + .slider:before { background: #fff; transform: translateX(16px); }
.switch.sm input:checked + .slider:before { transform: translateX(14px); }
.switch-label { font-size: 10px; color: var(--text); }

.rgb-generator { background: var(--bg-panel-light); border: 1px solid var(--border); padding: 12px; border-radius: 6px; }
.rgb-row { display: flex; gap: 12px; align-items: flex-end; }
.rgb-color-pick { display: flex; flex-direction: column; gap: 4px; }
.rgb-preview {
  margin-top: 12px; padding: 12px; background: #000; border: 1px solid #333;
  font-size: 14px; min-height: 44px;
  text-shadow: 2px 2px 0 #3F3F3F; word-break: break-all; border-radius: 4px;
}
.rgb-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.name-preview {
  padding: 8px 12px; background: #000; border: 1px solid #333;
  font-size: 14px; min-height: 36px;
  text-shadow: 2px 2px 0 #3F3F3F; margin-top: 8px; border-radius: 4px;
}

.action-builder { background: var(--bg-panel-light); border: 1px solid var(--border); padding: 12px; border-radius: 6px; }
.actions-list { display: flex; flex-direction: column; gap: 8px; }
.action-item { display: flex; align-items: center; justify-content: space-between; padding: 8px; background: var(--bg-input); border: 1px solid var(--border); border-radius: 4px; font-size: 11px; }
.action-item .action-text { flex: 1; word-break: break-all; margin-right: 8px; }
.action-item .action-type { color: var(--accent-hover); font-size: 9px; padding: 2px 4px; background: rgba(0,0,0,0.3); border-radius: 2px; margin-right: 8px; }

.req-builder-panel { background: var(--bg-panel-light); border: 1px solid var(--border); padding: 12px; border-radius: 6px; }
.req-field { margin-top: 8px; }

.list-builder-row { display: flex; gap: 8px; align-items: flex-end; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(0,0,0,0.4); border: 1px solid var(--border); padding: 4px 8px; font-size: 10px; color: var(--text); border-radius: 4px; }
.tag .tag-remove { cursor: pointer; color: var(--danger); font-size: 12px; font-weight: bold; }
.tag .tag-remove:hover { color: #fff; }

.context-menu { position: fixed; z-index: 1000; background: var(--bg-panel); backdrop-filter: blur(12px); border: 1px solid var(--border); border-radius: 6px; box-shadow: 0 4px 12px rgba(0,0,0,0.5); min-width: 150px; padding: 4px; font-size: 12px; }
.ctx-item { padding: 8px 12px; display: flex; align-items: center; gap: 8px; cursor: pointer; border-radius: 4px; color: var(--text); transition: background .15s; }
.ctx-item:hover { background: var(--bg-hover); }
.ctx-item svg { width: 14px; height: 14px; }
.ctx-item.danger { color: var(--danger); }
.ctx-item.danger:hover { background: rgba(239, 68, 68, 0.1); }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.7); backdrop-filter: blur(4px); z-index: 500; display: flex; align-items: center; justify-content: center; animation: fadeIn .2s; }
.modal { background: var(--bg-panel); border: 1px solid var(--border); border-radius: 8px; width: 800px; max-height: 85vh; display: flex; flex-direction: column; box-shadow: 0 24px 60px rgba(0,0,0,.8); overflow: hidden; position: relative; }
.sm-modal { width: 450px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); background: var(--bg-panel-light); }
.modal-search { display: flex; align-items: center; padding: 12px 20px; border-bottom: 1px solid var(--border); gap: 12px; background: rgba(0,0,0,0.2); }
.modal-search svg { width: 20px; height: 20px; color: var(--accent); flex-shrink: 0; }
.modal-search .input { border: none; background: transparent; padding: 4px 0; font-size: 14px; box-shadow: none; }
.modal-tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 12px 20px; border-bottom: 1px solid var(--border); background: rgba(0,0,0,0.3); }
.modal-tab { background: var(--bg-panel); border: 1px solid var(--border); color: var(--text-muted); padding: 6px 12px; font-size: 10px; cursor: pointer; transition: all .2s; text-transform: uppercase; border-radius: 4px; }
.modal-tab:hover { color: var(--text); background: var(--bg-hover); }
.modal-tab.active { background: var(--accent); color: #fff; border-color: var(--accent-hover); }
.modal-body { padding: 20px; flex: 1; overflow-y: auto; }

.material-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 12px; padding-bottom: 40px; }
.material-item { 
  aspect-ratio: 1 / 1;
  padding: 4px; background: rgba(0,0,0,0.4); border: 2px solid var(--border); 
  font-size: 9px; cursor: pointer; transition: all .15s; text-align: center; 
  word-break: break-all; border-radius: 4px; box-shadow: inset 0 0 10px rgba(0,0,0,0.8);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  overflow: hidden;
}
.material-item:hover { 
  border-color: var(--accent); background: var(--bg-hover); color: #fff; 
  transform: scale(1.05); box-shadow: 0 0 15px var(--accent-glow); z-index: 2; position: relative;
}
.material-item-icon { width: 32px; height: 32px; image-rendering: pixelated; margin-bottom: 4px; pointer-events: none; }
.material-item-name { width: 100%; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; pointer-events: none; }

.sound-item { display: flex; align-items: center; padding: 8px 12px; cursor: pointer; font-size: 12px; transition: all .15s; border-bottom: 1px solid var(--border); }
.sound-item:hover { background: var(--bg-hover); border-color: var(--accent); }
.sound-item .sound-cat { font-size: 10px; color: var(--text-dim); margin-left: auto; }

.filler-patterns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.filler-pattern-btn { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 16px; background: var(--bg-input); border: 1px solid var(--border); cursor: pointer; transition: all .2s; font-size: 12px; color: var(--text); border-radius: 6px; }
.filler-pattern-btn:hover { border-color: var(--accent); background: var(--accent-glow); }
.pattern-preview { width: 64px; height: 48px; border: 1px solid var(--border); }
.border-preview { background: linear-gradient(var(--accent-hover), var(--accent-hover)) 0 0/100% 6px no-repeat, linear-gradient(var(--accent-hover), var(--accent-hover)) 0 100%/100% 6px no-repeat, linear-gradient(var(--accent-hover), var(--accent-hover)) 0 0/6px 100% no-repeat, linear-gradient(var(--accent-hover), var(--accent-hover)) 100% 0/6px 100% no-repeat; }
.checker-preview { background: repeating-conic-gradient(var(--accent-hover) 0% 25%, transparent 0% 50%) 0 0/16px 16px; }
.fill-preview { background: var(--accent-hover); opacity: .4; }
.fillall-preview { background: var(--accent-hover); }

.mc-tooltip {
  position: fixed; z-index: 200;
  background: rgba(16,0,16,.95); border: 3px solid #2B0068;
  padding: 8px 12px; font-size: 12px;
  color: #fff; box-shadow: inset 0 0 0 3px #000, 0 8px 24px rgba(0,0,0,.8);
  pointer-events: none; min-width: 120px; text-shadow: 2px 2px 0 #3F3F3F;
  line-height: 1.4; max-width: 400px;
}
.mc-tooltip-lore { display: flex; flex-direction: column; gap: 2px; margin-top: 6px; }

.status-bar { display: flex; justify-content: space-between; padding: 6px 16px; background: var(--bg-panel); backdrop-filter: blur(12px); border-top: 1px solid var(--border); flex-shrink: 0; height: 32px; align-items: center; }
.status-left, .status-right { display: flex; gap: 16px; }
.status-item { font-size: 10px; color: var(--text-dim); display: flex; align-items: center; gap: 6px; }
.status-item svg { width: 14px; height: 14px; }
.status-item strong { color: var(--text-muted); }

.toast-container { position: fixed; bottom: 40px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 1000; }
.toast {
  background: var(--bg-panel); backdrop-filter: blur(12px); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  color: var(--text); padding: 12px 16px; border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0,0,0,.5); display: flex; align-items: center; gap: 12px;
  font-size: 12px;
  transform: translateX(120%); animation: slideIn .3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}
.toast.hide { animation: slideOut .2s ease-in forwards; }
.toast-icon { width: 20px; height: 20px; flex-shrink: 0; }
.toast.success { border-left-color: var(--success); }
.toast.success .toast-icon { color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.error .toast-icon { color: var(--danger); }
.toast.info { border-left-color: var(--info); }
.toast.info .toast-icon { color: var(--info); }

@keyframes slideIn { to { transform: translateX(0); } }
@keyframes slideOut { to { transform: translateX(120%); opacity: 0; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* =========================================================================
   RESPONSIVE DESIGN (MOBILE & TABLET)
   ========================================================================= */
@media screen and (max-width: 1024px) {
  body {
    height: auto;
    overflow-y: auto;
  }
  
  .workspace {
    flex-direction: column !important;
    height: auto !important;
    min-height: calc(100vh - 120px) !important;
    overflow: visible !important;
  }
  
  .navbar {
    height: auto;
    flex-wrap: wrap;
    padding: 10px;
    gap: 10px;
  }
  
  .nav-brand {
    width: 100%;
    justify-content: center;
  }
  
  .nav-actions {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 5px;
    justify-content: flex-start;
  }
  
  .nav-actions::-webkit-scrollbar {
    height: 4px;
  }
  
  .sidebar-left, .sidebar-right {
    width: 100% !important;
    border: none !important;
    height: auto !important;
    min-height: auto !important;
    max-height: none !important;
  }
  
  .sidebar-left {
    border-bottom: 1px solid var(--border) !important;
  }
  
  .sidebar-right {
    border-top: 1px solid var(--border) !important;
  }
  
  .panel-content {
    overflow-y: visible !important;
    max-height: 50vh; /* Allow inner scroll for long settings on mobile */
    overflow-y: auto !important;
  }
  
  .canvas {
    min-height: 60vh;
    flex: none !important;
    overflow: visible !important;
  }
  
  .grid-wrapper {
    padding: 15px !important;
    overflow-x: auto !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
  }
  
  .chest-gui {
    margin: 20px auto;
    flex-shrink: 0; /* Prevent squishing of chest grid */
  }
  
  /* Modals */
  .modal {
    width: 95vw !important;
    max-width: 95vw !important;
    max-height: 90vh !important;
  }
  
  .modal-body {
    padding: 15px !important;
  }
  
  .material-grid {
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)) !important;
    gap: 5px !important;
  }
  
  .material-item {
    height: 40px !important;
  }
  
  .material-item-icon {
    width: 24px !important;
    height: 24px !important;
  }
  
  #materialCategoryTabs {
    flex-wrap: wrap !important;
  }
  
  .modal-tab {
    flex-grow: 1;
    text-align: center;
  }
}