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var(--border);border-radius:var(--radius-md);min-width:200px;max-height:180px;position:absolute;overflow-y:auto;box-shadow:0 8px 24px #0006}.autocomplete-dropdown[hidden]{display:none}.ac-item{cursor:pointer;font-size:12px;font-family:var(--font-mono);transition:background var(--transition-fast);align-items:center;gap:8px;padding:5px 12px;display:flex}.ac-item:hover,.ac-item.ac-selected{background:var(--surface-alt)}.ac-code{color:var(--accent);min-width:28px;font-weight:700}.ac-name{color:var(--text-dim);font-family:var(--font-ui)}.shortcuts-overlay{z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.shortcuts-overlay[hidden]{display:none}.shortcuts-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);min-width:280px;padding:20px 28px;box-shadow:0 16px 48px 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7px}#tour-overlay{pointer-events:none;z-index:10;justify-content:center;display:flex;position:absolute;bottom:0;left:0;right:0}#tour-panel-wrapper{pointer-events:auto;width:100%;max-width:520px;padding:12px}.tour-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:18px 20px;box-shadow:0 -8px 32px #00000080}.tour-header{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.tour-progress{font-size:11px;font-family:var(--font-ui);color:var(--accent);text-transform:uppercase;letter-spacing:.06em;font-weight:700}.tour-close{color:var(--text-dim);cursor:pointer;font-size:20px;line-height:1;font-family:var(--font-mono);transition:color var(--transition-fast);background:0 0;border:none;padding:0 4px}.tour-close:hover{color:var(--text)}.tour-title{font-size:15px;font-weight:700;font-family:var(--font-ui);color:var(--text);margin-bottom:8px}.tour-explanation{font-size:12px;font-family:var(--font-ui);color:var(--text-secondary);margin-bottom:12px;line-height:1.65}.tour-code{background:var(--editor-bg);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font-mono);color:var(--green);margin-bottom:12px;padding:8px 12px;font-size:13px;font-weight:600;overflow-x:auto}.tour-tip{font-size:11px;font-family:var(--font-ui);color:var(--text-secondary);background:var(--accent-glow);border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin-bottom:14px;padding:8px 12px;line-height:1.55}.tour-tip strong{color:var(--accent)}.tour-actions{justify-content:flex-end;gap:8px;display:flex}.tour-btn{font-family:var(--font-ui);border-radius:var(--radius-sm);cursor:pointer;transition:opacity var(--transition-fast), transform 60ms ease;border:none;padding:7px 18px;font-size:12px;font-weight:700}.tour-btn:hover{opacity:.88}.tour-btn:active{transform:scale(.97)}.tour-btn:disabled{opacity:.25;cursor:default}.tour-btn-primary{background:var(--accent);color:var(--bg)}.tour-btn-secondary{background:var(--surface-alt);color:var(--text);border:1px solid var(--border)}.tour-btn-done{padding:9px 28px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--text-dim)}.welcome-overlay{z-index:200;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#000000a6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.welcome-overlay[hidden]{display:none}.welcome-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);text-align:center;width:90vw;max-width:520px;padding:32px 36px;box-shadow:0 24px 64px #0009}.welcome-title{font-family:var(--font-ui);color:var(--text);letter-spacing:-.02em;margin-bottom:8px;font-size:22px;font-weight:800}.welcome-desc{font-family:var(--font-ui);color:var(--text-secondary);margin-bottom:24px;font-size:13px;line-height:1.5}.welcome-cards{gap:12px;margin-bottom:20px;display:flex}.welcome-card{background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-md);cursor:pointer;color:var(--text-secondary);font-family:var(--font-ui);transition:border-color var(--transition-med), background var(--transition-med), color var(--transition-med);flex-direction:column;flex:1;align-items:center;gap:8px;padding:20px 12px;font-size:11px;display:flex}.welcome-card:hover{border-color:var(--accent);background:var(--surface-raised);color:var(--text)}.welcome-card:hover svg{color:var(--accent)}.welcome-card svg{color:var(--text-dim);transition:color var(--transition-med)}.welcome-card strong{color:var(--text);font-size:13px;font-weight:700}.welcome-dismiss{font-family:var(--font-ui);color:var(--text-dim);cursor:pointer;justify-content:center;align-items:center;gap:6px;font-size:11px;display:flex}.welcome-dismiss input[type=checkbox]{accent-color:var(--accent)}@keyframes guide-pulse{0%,to{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 0 8px #0000}}#btn-guide-me.pulse{animation:2s ease-in-out infinite guide-pulse}#examples-select.highlight{border-color:var(--accent);color:var(--text)}@media (width<=1200px){#app{grid-template:"header header""editor canvas"1fr"editor cmdref"1fr"toolbar toolbar"/minmax(220px,1fr) minmax(0,1.6fr)}#right-panel{border-left:none;border-top:1px solid var(--border)}.btn-label,.header-divider,.dro-pills{display:none}}@media (width<=767px){#app{grid-template:"header""editor""canvas"40vh"cmdref"35vh"toolbar"/minmax(0,1fr);height:auto;min-height:100dvh;overflow:auto}#app.mobile-tabs-active{grid-template:"header""main"1fr"toolbar""mobiletabs"/minmax(0,1fr);max-width:100vw;height:100dvh;overflow:hidden}#app.mobile-tabs-active #editor-panel,#app.mobile-tabs-active #canvas-panel,#app.mobile-tabs-active #right-panel{grid-area:main;display:none}#app.mobile-tabs-active #editor-panel.mobile-active{display:grid}#app.mobile-tabs-active #canvas-panel.mobile-active,#app.mobile-tabs-active #right-panel.mobile-active{flex-direction:column;display:flex}#app.mobile-simulate{grid-template-rows:auto 3fr 2fr auto auto;grid-template-areas:"header""canvas""steps""toolbar""mobiletabs"}#app.mobile-simulate #canvas-panel.mobile-active{grid-area:canvas}#app.mobile-simulate #right-panel.mobile-active{border-top:1px solid var(--border);grid-area:steps}#app.mobile-simulate #right-panel-tabs{display:none}#header{gap:6px;min-width:0;height:40px;padding:0 8px;overflow:hidden}#header h1{flex-shrink:0;font-size:12px}#examples-container{flex-wrap:nowrap;gap:4px;min-width:0}#examples-container select,#examples-container button{white-space:nowrap;min-height:32px;padding:4px 8px;font-size:11px}#theme-select{min-width:0;max-width:64px}.btn-label,.header-divider,.theme-label{display:none}#editor-panel{border-right:none;border-bottom:1px solid var(--border);min-width:0;max-width:100vw;min-height:150px}#editor-panel #gcode-editor{-webkit-overflow-scrolling:touch;min-width:0;font-size:16px;overflow-x:scroll}#editor-panel #code-highlight{min-width:0;font-size:16px;overflow-x:hidden}#editor-panel #line-highlight{min-width:0;overflow:hidden}#editor-panel #line-numbers{font-size:16px}#right-panel{border-left:none;border-top:1px solid var(--border);min-width:0}#toolbar{flex-wrap:nowrap;justify-content:center;align-items:center;gap:4px;height:auto;padding:6px 8px}#step-controls{gap:2px}#step-controls button{width:40px;height:40px}#step-controls .btn-play-main{width:44px;height:44px}.step-counter{min-width:auto;padding:0 4px;font-size:10px}#btn-shortcuts{width:44px;height:44px;margin-left:0}.editor-tooltip{display:none}.dro-row-primary{height:28px;padding:0 6px}.dro-row-secondary{display:none}.dro-axis-value{font-size:12px}.dro-axis-label{font-size:10px}.dro-axis{padding:0 6px}.canvas-controls button{opacity:1;min-height:44px;padding:8px 12px;font-size:13px}#tour-panel-wrapper{max-width:100%;padding:8px}.tour-panel{padding:14px 16px}.tour-explanation{max-height:120px;overflow-y:auto}.tour-btn{min-height:44px;padding:10px 16px}.cmd-ref-step{font-size:12px}.tab-btn{min-height:40px;padding:6px 12px;font-size:12px}.welcome-cards{flex-direction:column}.welcome-card{text-align:left;grid-template-rows:auto auto;grid-template-columns:1fr auto;gap:2px 12px;min-height:44px;padding:14px 16px;display:grid}.welcome-card strong{grid-area:1/1}.welcome-card span{grid-area:2/1}.welcome-card svg{grid-area:1/2/-1;align-self:center}.welcome-panel{padding:24px 20px}}.mobile-tab-bar{background:var(--surface);border-top:1px solid var(--border);grid-area:mobiletabs;display:flex}.mobile-tab-bar[hidden]{display:none}.mobile-tab-btn{color:var(--text-dim);font-family:var(--font-ui);cursor:pointer;transition:color var(--transition-fast), border-color var(--transition-fast);background:0 0;border:none;border-top:2px solid #0000;flex:1;padding:12px 0;font-size:12px;font-weight:600}.mobile-tab-btn.active{color:var(--accent);border-top-color:var(--accent)}@media (width>=768px){.mobile-tab-bar{display:none!important}}.editor-info-bar{background:var(--surface-alt);border-top:1px solid var(--border);font-family:var(--font-ui);color:var(--text-secondary);text-overflow:ellipsis;white-space:nowrap;grid-column:1/-1;padding:6px 12px;font-size:11px;overflow:hidden}.editor-info-bar[hidden]{display:none}.editor-info-bar strong{color:var(--accent);margin-right:4px}.info-bar-desc{color:var(--text-dim)}.canvas-hints{pointer-events:none;z-index:5;justify-content:center;gap:16px;display:flex;position:absolute;bottom:16px;left:0;right:0}.canvas-hint{background:var(--surface);color:var(--text-secondary);font-family:var(--font-ui);border-radius:var(--radius-sm);border:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:.85;padding:6px 12px;font-size:11px}@keyframes canvas-hints-fade-out{0%{opacity:1}to{opacity:0}}.canvas-hints-fade{animation:.4s forwards canvas-hints-fade-out}.kbd-hint{color:var(--text-dim);font-size:9px;font-family:var(--font-ui);white-space:nowrap;display:none;position:absolute;bottom:-2px;left:50%;transform:translate(-50%)}@media (width>=768px){#toolbar:hover .kbd-hint{display:block}}@keyframes step-pulse{0%{background:var(--accent-glow)}to{background:0 0}}.cmd-ref-item.active{animation:.6s step-pulse}.fix-btn.fix-applied{background:var(--green);cursor:default}.help-item-example .insert-hint{opacity:.35}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}