/* ═══ [SECTION: CSS-VARIABLES] ═══ */
:root {
  --bg-primary:#0f1117; --bg-secondary:#1a1d27; --bg-editor:#12141c;
  --bg-toolbar:#181b24; --bg-card:#1e2230; --bg-card-hover:#252a3a;
  --accent:#4fc3f7; --accent-glow:rgba(79,195,247,0.15); --accent-hover:#29b6f6;
  --green:#66bb6a; --green-glow:rgba(102,187,106,0.2);
  --red:#ef5350; --red-glow:rgba(239,83,80,0.2);
  --orange:#ffa726; --purple:#ce93d8; --yellow:#fff176; --cyan:#4dd0e1;
  --text:#e0e0e0; --text-dim:#8892a4; --text-muted:#5a6275;
  --border:#2a2e3a; --border-light:#353a48;
  --radius:10px; --radius-sm:6px;
}
/* ═══ [SECTION: LIGHT-MODE] ═══ */
body.light {
  --bg-primary:#f5f6fa; --bg-secondary:#ebedf3; --bg-editor:#ffffff;
  --bg-toolbar:#e8eaf0; --bg-card:#ffffff; --bg-card-hover:#f0f2f8;
  --accent:#1976d2; --accent-glow:rgba(25,118,210,0.12); --accent-hover:#1565c0;
  --green:#388e3c; --green-glow:rgba(56,142,60,0.15);
  --red:#d32f2f; --red-glow:rgba(211,47,47,0.15);
  --orange:#f57c00; --purple:#7b1fa2; --yellow:#f9a825; --cyan:#00838f;
  --text:#1a1a2e; --text-dim:#4a5568; --text-muted:#8892a4;
  --border:#d0d4dc; --border-light:#c0c4cc;
}
body.light ::-webkit-scrollbar-thumb{background:var(--border);}
body.light .launcher-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.1);}
body.light .block-panel{box-shadow:-8px 0 32px rgba(0,0,0,.12);}
body.light .snippets-panel{box-shadow:0 8px 32px rgba(0,0,0,.15);}
body.light .report-overlay{background:rgba(0,0,0,.4);}
body.light .drop-overlay{background:rgba(245,246,250,0.85);}
body.light .logo-icon{background:linear-gradient(135deg,#1976d2,#7c4dff);}
body.light .launcher-logo-icon{background:linear-gradient(135deg,#1976d2,#7c4dff);}
body.light .btn-cam{background:linear-gradient(135deg,#7c4dff,#1976d2);}
body.light .block-count{color:#fff;}
body.light .console-panel{border-top:1px solid var(--accent);}
body.light .plotter-tb-btn{background:rgba(240,242,246,0.85);border-color:#bbb;color:#555;}
body.light .plotter-tb-btn:hover{background:rgba(255,255,255,0.95);color:#333;}
body.light .file-tab{background:var(--bg-editor);color:var(--accent);}

/* ═══ [SECTION: ACCESSIBILITY-CONTROLS] ═══ */
.access-group{display:flex;align-items:center;gap:3px;}
.btn-access{background:transparent;border:1px solid var(--border);color:var(--text-dim);width:28px;height:24px;border-radius:4px;cursor:pointer;font-size:12px;font-weight:700;font-family:'JetBrains Mono',monospace;display:flex;align-items:center;justify-content:center;transition:all .15s;padding:0;line-height:1;}
.btn-access:hover{border-color:var(--accent);color:var(--accent);}
.btn-access.active{border-color:var(--accent);color:var(--accent);background:var(--accent-glow);}
.font-size-display{font-size:10px;color:var(--text-muted);font-family:'JetBrains Mono',monospace;min-width:18px;text-align:center;}

*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Noto Sans KR',sans-serif;background:var(--bg-primary);color:var(--text);height:100vh;overflow:hidden;}
::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}

/* ═══ [SECTION: CSS-LAUNCHER] ═══ */
.launcher{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:32px;animation:fadeIn .4s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.launcher-logo{display:flex;align-items:center;gap:14px;}
.launcher-logo-icon{width:52px;height:52px;background:linear-gradient(135deg,var(--accent),#7c4dff);border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;color:#fff;}
.launcher-logo-text{font-size:28px;font-weight:700;}.launcher-logo-text span{color:var(--accent);}
.launcher-subtitle{color:var(--text-dim);font-size:14px;margin-top:-20px;}
.launcher-cards{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}
.launcher-card{width:220px;padding:24px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .25s;text-align:center;}
.launcher-card:hover{border-color:var(--accent);background:var(--bg-card-hover);transform:translateY(-4px);box-shadow:0 8px 24px rgba(0,0,0,.3);}
.launcher-card .icon{font-size:36px;margin-bottom:12px;}
.icon-svg{width:14px;height:14px;vertical-align:middle;display:inline-block;filter:brightness(0) invert(1);}
body.light .icon-svg{filter:brightness(0) invert(0);}
.launcher-card .title{font-size:15px;font-weight:700;margin-bottom:6px;}
.launcher-card .desc{font-size:11px;color:var(--text-dim);line-height:1.5;}
.launcher-card .tags{font-size:10px;color:var(--accent);margin-top:8px;letter-spacing:0.3px;opacity:0.85;}
.launcher-card.disabled{opacity:0.4;pointer-events:none;}
.launcher-card.disabled .title::after{content:' (준비 중)';font-size:10px;color:var(--text-muted);}
.launcher-footer{display:flex;align-items:center;gap:16px;margin-top:8px;}
.lang-btn{background:transparent;border:1px solid var(--border);color:var(--text-dim);padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:12px;font-weight:600;transition:all .2s;}
.lang-btn.active{border-color:var(--accent);color:var(--accent);}
.lang-btn:hover{border-color:var(--text-dim);}
.launcher-ver{font-size:10px;color:var(--text-muted);}

/* ═══ [SECTION: CSS-EDITOR] ═══ */
.app{display:none;flex-direction:column;height:100vh;}
.app.visible{display:flex;}

header{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;background:var(--bg-toolbar);border-bottom:1px solid var(--border);flex-shrink:0;gap:8px;}
.logo-area{display:flex;align-items:center;gap:8px;cursor:pointer;}
.logo-icon{width:28px;height:28px;background:linear-gradient(135deg,var(--accent),#7c4dff);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;}
.logo-text{font-weight:700;font-size:14px;}.logo-text span{color:var(--accent);}
.mode-badge{font-size:10px;padding:3px 8px;border-radius:10px;background:var(--bg-primary);border:1px solid var(--border);color:var(--text-dim);font-weight:600;}

.header-center{display:flex;align-items:center;gap:3px;flex-wrap:wrap;}
.ble-mini-status{display:flex;align-items:center;gap:4px;}
.ble-mini-dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green-glow);animation:pulse 2s infinite;cursor:help;position:relative;}
.ble-mini-dot[title]:hover::after{content:attr(title);position:absolute;top:100%;left:50%;transform:translateX(-50%);background:var(--bg-primary);color:var(--text);font-size:10px;padding:2px 6px;border-radius:4px;white-space:nowrap;border:1px solid var(--border);z-index:10;margin-top:4px;}

.header-right{display:flex;align-items:center;gap:6px;}
.btn-block-panel{display:flex;align-items:center;gap:5px;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-dim);padding:4px 12px;border-radius:14px;font-size:11px;font-weight:600;cursor:pointer;transition:all .2s;}
.btn-block-panel:hover{border-color:var(--accent);color:var(--accent);}
.btn-block-panel.has-connected{border-color:var(--green);color:var(--green);}
.block-panel-icon{font-size:13px;}
.block-count{font-size:10px;background:var(--green);color:#000;border-radius:8px;padding:0 5px;min-width:14px;text-align:center;display:none;font-weight:700;}
.block-count.visible{display:inline;}

/* ═══ Block Connection Panel ═══ */
.block-panel{position:fixed;right:-360px;top:0;bottom:0;width:340px;background:var(--bg-secondary);border-left:1px solid var(--border);z-index:150;transition:right .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;box-shadow:-8px 0 32px rgba(0,0,0,.4);}
.block-panel.open{right:0;}
.block-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 12px;border-bottom:1px solid var(--border);}
.block-panel-header h3{margin:0;font-size:15px;font-weight:700;color:var(--text);}
.block-panel-close{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:6px;}
.block-panel-close:hover{background:var(--bg-primary);color:var(--text);}
.block-panel-body{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:8px;}

/* Group Number Setting */
.block-group-setting{display:flex;align-items:center;gap:8px;padding:10px 20px 10px;border-bottom:1px solid var(--border);flex-wrap:wrap;}
.group-label{font-size:11px;font-weight:600;color:var(--text-muted);white-space:nowrap;}
.group-input{width:72px;padding:5px 8px;border-radius:6px;border:1px solid var(--border);background:var(--bg-primary);color:var(--accent);font-size:13px;font-weight:700;font-family:'JetBrains Mono',monospace;text-align:center;outline:none;transition:border-color .2s;-moz-appearance:textfield;}
.group-input::-webkit-outer-spin-button,.group-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0;}
.group-input:focus{border-color:var(--accent);}
.group-input::placeholder{color:var(--text-muted);font-weight:400;font-size:11px;}
.group-apply-btn{background:var(--accent);border:none;color:#fff;font-size:11px;font-weight:600;cursor:pointer;padding:4px 10px;border-radius:6px;transition:all .2s;}
.group-apply-btn:hover{background:var(--accent-hover);box-shadow:0 0 8px var(--accent-glow);}
.group-clear-btn{background:none;border:none;color:var(--text-muted);font-size:12px;cursor:pointer;padding:2px 4px;border-radius:4px;}
.group-clear-btn:hover{color:var(--red);background:rgba(239,83,80,0.1);}
.group-hint{font-size:9px;color:var(--text-muted);flex-basis:100%;margin-top:-2px;}
.group-hint.active{color:var(--accent);}

/* Block Card */
.block-card{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--bg-primary);border:1px solid var(--border);border-radius:10px;transition:all .2s;}
.block-card.connected{border-color:var(--green);background:rgba(102,187,106,0.05);}
.block-card-icon{font-size:24px;width:36px;text-align:center;flex-shrink:0;}
.block-icon-img{width:32px;height:32px;object-fit:contain;}
.block-card-info{flex:1;min-width:0;}
.block-card-name{font-size:13px;font-weight:600;color:var(--text);margin-bottom:2px;}
.block-card-status{font-size:10px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.block-card.connected .block-card-status{color:var(--green);}
.block-card-btn{padding:6px 14px;border-radius:8px;border:1px solid var(--accent);background:transparent;color:var(--accent);font-size:11px;font-weight:600;cursor:pointer;transition:all .2s;flex-shrink:0;}
.block-card-btn:hover{background:var(--accent);color:#000;}
.block-card.connected .block-card-btn{border-color:var(--red);color:var(--red);}
.block-card.connected .block-card-btn:hover{background:var(--red);color:#fff;}
.block-card.connecting .block-card-btn{border-color:var(--yellow);color:var(--yellow);pointer-events:none;opacity:0.7;}

.block-card-actions{padding:8px 0;margin-top:auto;}
.btn-disconnect-all{width:100%;padding:10px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer;transition:all .2s;}
.btn-disconnect-all:hover{border-color:var(--red);color:var(--red);background:rgba(239,83,80,0.05);}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

.btn{font-family:'Noto Sans KR',sans-serif;font-size:12px;font-weight:600;padding:5px 11px;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:4px;white-space:nowrap;}


.toolbar{display:flex;align-items:center;justify-content:space-between;padding:6px 14px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;gap:6px;}
.toolbar-left{display:flex;align-items:center;gap:6px;}
.file-tab{font-family:'JetBrains Mono',monospace;font-size:11px;padding:4px 10px;background:var(--bg-editor);border:none;color:var(--accent);border-radius:var(--radius-sm) var(--radius-sm) 0 0;}
.toolbar-actions{display:flex;gap:6px;}
.btn-run{background:var(--green);color:#000;font-weight:700;padding:5px 14px;}.btn-run:hover{box-shadow:0 0 12px var(--green-glow);transform:translateY(-1px);}
.btn-run.running{background:var(--orange);animation:pulse 1s infinite;}
.btn-stop{background:transparent;color:var(--red);border:1px solid var(--red);padding:5px 14px;}
.btn-sec{background:transparent;color:var(--text-dim);border:1px solid var(--border);font-size:11px;padding:5px 10px;}.btn-sec:hover{border-color:var(--text-dim);color:var(--text);}
.btn-cam{background:linear-gradient(135deg,#7c4dff,var(--accent));color:#fff;font-weight:700;}.btn-cam.active{background:var(--red);}

.editor-area{flex:1;display:flex;overflow:hidden;min-height:0;}
.editor-container{flex:1;display:flex;overflow:hidden;min-height:0;position:relative;}
.line-numbers{font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.6;padding:12px 0;width:42px;text-align:right;color:var(--text-muted);background:var(--bg-editor);border-right:1px solid var(--border);overflow:hidden;user-select:none;flex-shrink:0;}
.line-numbers div{padding-right:8px;height:20.8px;}
.code-editor{font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.6;padding:12px;background:var(--bg-editor);color:var(--text);border:none;outline:none;resize:none;flex:1;tab-size:4;white-space:pre;overflow:auto;min-height:0;}

/* ═══ [SECTION: CSS-AI-PANEL] ═══ */
.ai-panel{width:340px;background:var(--bg-secondary);border-left:1px solid var(--border);display:none;flex-direction:column;flex-shrink:0;overflow-y:auto;}
.ai-panel.open{display:flex;}
.ai-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0;}
.ai-tab{flex:1;padding:8px 4px;font-size:11px;font-weight:600;text-align:center;background:transparent;border:none;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;transition:all .15s;}
.ai-tab.active{color:var(--cyan);border-bottom-color:var(--cyan);background:rgba(77,208,225,0.05);}
.ai-tab:hover{color:var(--text);}
.ai-tab-content{display:none;flex-direction:column;flex:1;overflow-y:auto;}
.ai-tab-content.active{display:flex;}

.cam-toggle-bar{display:flex;justify-content:space-between;align-items:center;padding:6px 14px;background:var(--bg-secondary);border-bottom:1px solid var(--border);cursor:pointer;user-select:none;font-size:11px;font-weight:600;color:var(--text-dim);}
.cam-toggle-bar:hover{background:var(--bg-card-hover);}
.cam-toggle-icon{font-size:10px;transition:transform .2s;}
.cam-view{position:relative;width:100%;aspect-ratio:4/3;background:#000;overflow:hidden;flex-shrink:0;transition:height .25s ease,opacity .2s ease;}
.cam-view.collapsed{height:0!important;aspect-ratio:unset;opacity:0;pointer-events:none;}
.cam-view video,.cam-view canvas{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1);}
.cam-overlay{position:absolute;bottom:6px;left:6px;right:6px;display:flex;gap:4px;flex-wrap:wrap;}
.cam-tag{font-size:10px;font-weight:600;padding:3px 8px;border-radius:10px;background:rgba(0,0,0,.7);}
.cam-tag.label{color:var(--cyan);border:1px solid rgba(77,208,225,.3);}
.cam-tag.score{color:var(--yellow);border:1px solid rgba(255,241,118,.3);}

.ai-section{padding:10px 14px;border-bottom:1px solid var(--border);}
.ai-label{font-size:11px;font-weight:600;color:var(--text-dim);letter-spacing:0.3px;margin-bottom:6px;}
.ai-row{display:flex;gap:6px;}
.ai-input{flex:1;font-family:'JetBrains Mono',monospace;font-size:11px;padding:7px 10px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none;}
.ai-input:focus{border-color:var(--accent);}
.btn-ai{background:var(--cyan);color:#000;font-size:11px;padding:6px 10px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;}
.ai-status{font-size:10px;color:var(--text-muted);margin-top:4px;}
.ai-status.ok{color:var(--green);}.ai-status.err{color:var(--red);}

.ai-results{overflow-y:auto;padding:0 14px;font-family:'JetBrains Mono',monospace;font-size:11px;max-height:200px;}
.ai-results:empty{display:none;}
.ai-result-item{display:flex;justify-content:space-between;align-items:center;padding:5px 0;border-bottom:1px solid var(--border);}
.ai-result-item .rn{color:var(--text-dim);}
.ai-bar{width:80px;height:6px;background:var(--bg-primary);border-radius:3px;overflow:hidden;margin:0 8px;}
.ai-bar-fill{height:100%;border-radius:3px;transition:width .2s;background:var(--cyan);}
.ai-result-item .rp{color:var(--cyan);min-width:36px;text-align:right;font-size:10px;}

.color-area{padding:10px 14px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border);}
.color-swatch{width:28px;height:28px;border-radius:6px;border:2px solid var(--border);flex-shrink:0;}
.color-info{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-dim);}

.voice-section{padding:10px 14px;}
.voice-row{display:flex;align-items:center;gap:6px;margin-bottom:6px;}
.btn-voice{background:var(--purple);color:#fff;font-size:11px;padding:6px 12px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;}
.btn-voice.listening{background:var(--red);animation:pulse 1s infinite;}
.voice-text{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-dim);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.tts-row{display:flex;gap:4px;margin-top:6px;}
.tts-input{flex:1;font-family:'JetBrains Mono',monospace;font-size:11px;padding:6px 8px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none;}
.btn-tts{background:var(--orange);color:#000;font-size:11px;padding:6px 10px;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;}

.vision-info{padding:10px 14px;border-bottom:1px solid var(--border);}
.vision-row{display:flex;justify-content:space-between;align-items:center;padding:3px 0;font-family:'JetBrains Mono',monospace;font-size:11px;}
.vision-label{color:var(--text-muted);}
.vision-val{color:var(--cyan);font-weight:600;}
.vision-val.warn{color:var(--orange);}
.vision-val.off{color:var(--text-muted);}
.vision-toggle{display:flex;gap:6px;padding:10px 14px;border-bottom:1px solid var(--border);flex-wrap:wrap;}
.btn-vision{font-size:11px;font-weight:600;padding:5px 12px;border-radius:12px;border:1px solid var(--border);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .2s;}
.btn-vision.active{border-color:var(--cyan);color:var(--cyan);background:rgba(77,208,225,0.08);}
.btn-vision:hover{border-color:var(--text-dim);}

.detect-box{position:absolute;border:2px solid var(--green);border-radius:4px;pointer-events:none;}
.detect-box-label{position:absolute;top:-18px;left:0;font-size:9px;font-weight:700;padding:1px 5px;background:var(--green);color:#000;border-radius:3px;white-space:nowrap;}

.audio-section{padding:10px 14px;border-bottom:1px solid var(--border);}
.audio-bars{display:flex;gap:2px;align-items:flex-end;height:40px;margin-top:6px;}
.audio-bar{flex:1;background:var(--cyan);border-radius:2px 2px 0 0;min-height:2px;transition:height .15s;}
.audio-result{font-family:'JetBrains Mono',monospace;font-size:11px;padding:4px 0;display:flex;justify-content:space-between;}
.audio-result .al{color:var(--text-dim);}.audio-result .av{color:var(--cyan);font-weight:600;}

/* ═══ [SECTION: CSS-DL-PANEL] ═══ */
.dl-section{padding:10px 12px;border-bottom:1px solid var(--border);}
.dl-canvas-wrap{position:relative;width:200px;height:200px;margin:8px auto;background:#000;border:2px solid var(--border);border-radius:8px;cursor:crosshair;touch-action:none;}
.dl-canvas-wrap canvas{border-radius:6px;}
.dl-canvas-actions{display:flex;gap:4px;justify-content:center;margin-top:6px;}
.btn-dl{font-size:10px;font-weight:600;padding:4px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-dim);cursor:pointer;transition:all .2s;}
.btn-dl.primary{background:var(--cyan);color:#000;border-color:var(--cyan);}
.btn-dl:hover{border-color:var(--text-dim);color:var(--text);}
.train-progress{margin-top:8px;}
.train-bar{width:100%;height:6px;background:var(--bg-primary);border-radius:3px;overflow:hidden;}
.train-bar-fill{height:100%;border-radius:3px;background:linear-gradient(90deg,var(--cyan),var(--purple));transition:width .3s;width:0%;}
.train-stats{display:flex;justify-content:space-between;margin-top:4px;font-family:'JetBrains Mono',monospace;font-size:10px;color:var(--text-muted);}
.digit-results{display:flex;gap:2px;margin-top:8px;justify-content:center;}
.digit-bar-wrap{display:flex;flex-direction:column;align-items:center;gap:2px;}
.digit-bar-outer{width:16px;height:60px;background:var(--bg-primary);border-radius:3px;overflow:hidden;display:flex;flex-direction:column-reverse;}
.digit-bar-inner{width:100%;border-radius:3px;background:var(--cyan);transition:height .2s;}
.digit-bar-label{font-size:9px;color:var(--text-muted);font-family:'JetBrains Mono',monospace;}
.digit-bar-label.top{color:var(--cyan);font-weight:700;}

.knn-canvas-wrap{position:relative;width:100%;aspect-ratio:1;background:var(--bg-primary);border:1px solid var(--border);border-radius:8px;margin:8px 0;cursor:crosshair;overflow:hidden;}
.knn-canvas-wrap canvas{position:absolute;top:0;left:0;width:100%;height:100%;}
.knn-legend{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;}
.knn-legend-item{display:flex;align-items:center;gap:4px;font-size:10px;color:var(--text-dim);}
.knn-dot{width:8px;height:8px;border-radius:50%;}

/* ═══ [SECTION: CSS-REPORT] ═══ */
.report-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);z-index:1000;display:none;align-items:center;justify-content:center;}
.report-overlay.open{display:flex;}
.report-modal{width:640px;max-height:80vh;background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;}
.report-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);}
.report-header h3{margin:0;font-size:14px;color:var(--text);}
.report-header-actions{display:flex;gap:6px;}
.btn-report{font-size:11px;font-weight:600;padding:5px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:transparent;color:var(--text-dim);cursor:pointer;}
.btn-report.primary{background:var(--cyan);color:#000;border-color:var(--cyan);}
.report-body{flex:1;overflow-y:auto;padding:16px;}
.report-body h2{font-size:16px;margin:0 0 12px;color:var(--cyan);}
.report-body h4{font-size:12px;margin:16px 0 6px;color:var(--text-muted);font-weight:600;letter-spacing:0.5px;}
.report-table{width:100%;border-collapse:collapse;margin:8px 0;font-family:'JetBrains Mono',monospace;font-size:11px;}
.report-table th{text-align:left;padding:6px 8px;border-bottom:2px solid var(--border);color:var(--text-muted);font-size:10px;}
.report-table td{padding:5px 8px;border-bottom:1px solid var(--border);color:var(--text-dim);}
.report-code{background:var(--bg-primary);border:1px solid var(--border);border-radius:6px;padding:10px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-dim);white-space:pre-wrap;max-height:200px;overflow-y:auto;margin:8px 0;}
.report-log-item{padding:3px 0;font-size:11px;font-family:'JetBrains Mono',monospace;border-bottom:1px solid rgba(255,255,255,.03);}
.report-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:10px;font-weight:600;}
.report-badge.ok{background:rgba(102,187,106,.15);color:var(--green);}
.report-badge.err{background:rgba(239,83,80,.15);color:var(--red);}
.report-badge.info{background:rgba(77,208,225,.15);color:var(--cyan);}

/* ═══ [SECTION: CSS-CONSOLE] ═══ */
.resize-handle{height:5px;background:var(--border);cursor:ns-resize;flex-shrink:0;}.resize-handle:hover,.resize-handle.active{background:var(--accent);}
.console-panel{height:160px;display:flex;flex-direction:column;background:var(--bg-primary);flex-shrink:0;min-height:60px;max-height:50vh;border-top:1px solid var(--accent);}
.console-header{display:flex;align-items:center;justify-content:space-between;padding:4px 12px;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;}
.console-title{font-size:11px;font-weight:600;letter-spacing:0.5px;color:var(--text-dim);}
.console-output{flex:1;overflow-y:auto;padding:8px 12px;font-family:'JetBrains Mono',monospace;font-size:11px;line-height:1.5;}
.console-body{flex:1;display:flex;overflow:hidden;min-height:0;}
.console-output.with-plotter{flex:0 0 45%;border-right:1px solid var(--border);}
.plotter-panel{flex:1;display:flex;flex-direction:column;position:relative;min-width:0;}
.plotter-panel canvas{flex:1;width:100%;height:100%;}
.plotter-toolbar{position:absolute;top:4px;right:6px;z-index:2;display:flex;gap:4px;}
.plotter-tb-btn{background:rgba(30,30,60,0.7);border:1px solid #444;border-radius:4px;color:#aaa;font-size:11px;cursor:pointer;padding:2px 6px;line-height:1;}.plotter-tb-btn:hover{background:rgba(60,60,100,0.9);color:#fff;}
.plotter-btn{background:none;border:1px solid transparent;border-radius:4px;font-size:12px;cursor:pointer;padding:1px 5px;color:var(--text-muted);line-height:1;}.plotter-btn:hover,.plotter-btn.active{border-color:var(--accent);color:var(--accent);background:rgba(100,100,255,0.1);}
.console-line{display:flex;gap:6px;margin-bottom:2px;padding:1px 0;}
.console-line .prefix{color:var(--text-muted);user-select:none;flex-shrink:0;font-size:10px;opacity:0.6;min-width:16px;}
.console-line.info .msg{color:var(--text-dim)}
.console-line.success .msg{color:var(--green)}
.console-line.error .msg{color:var(--red)}
.console-line.sent .msg{color:var(--accent)}
.console-line.data .msg{color:var(--yellow)}
.console-line.system .msg{color:var(--purple)}
.console-line.ai .msg{color:var(--cyan)}

/* ═══ [SECTION: CSS-SNIPPETS] ═══ */
.snippets-toggle{position:fixed;right:14px;bottom:14px;width:38px;height:38px;border-radius:50%;background:var(--accent);border:none;color:#000;font-size:14px;font-weight:700;cursor:pointer;box-shadow:0 4px 16px var(--accent-glow);z-index:100;display:none;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;}
.app.visible ~ .snippets-toggle{display:flex;}
.snippets-toggle:hover{transform:scale(1.1);}
.snippets-panel{position:fixed;right:14px;bottom:62px;width:270px;max-height:70vh;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.4);z-index:99;overflow-y:auto;display:none;}
.snippets-panel.open{display:block;animation:fadeIn .2s ease;}
.snip-group{font-size:10px;font-weight:700;letter-spacing:0.5px;color:var(--text-muted);padding:12px 12px 4px;}
.snip-item{padding:5px 12px;cursor:pointer;transition:background .15s;font-size:12px;color:var(--text-dim);display:flex;align-items:center;gap:6px;}
.snip-item:hover{background:var(--accent-glow);color:var(--text);}
.snip-item .si{font-size:13px;width:18px;text-align:center;flex-shrink:0;}

/* ═══ [SECTION: CSS-API-REF] ═══ */
.api-panel{position:fixed;left:14px;bottom:14px;z-index:100;}
.api-toggle{width:38px;height:38px;border-radius:50%;background:var(--purple);border:none;color:#fff;font-size:16px;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 4px 16px rgba(206,147,216,.2);}
.app.visible ~ .api-panel .api-toggle{display:flex;}
.api-toggle:hover{transform:scale(1.1);}
.api-content{position:absolute;bottom:48px;left:0;width:300px;max-height:70vh;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 32px rgba(0,0,0,.4);overflow-y:auto;display:none;padding:12px;font-family:'JetBrains Mono',monospace;font-size:11px;}
.api-content.open{display:block;animation:fadeIn .2s ease;}
.api-section{margin-bottom:12px;}
.api-section-title{font-size:11px;font-weight:700;color:var(--cyan);letter-spacing:0.3px;margin-bottom:6px;}
.api-cmd{color:var(--text-dim);padding:2px 0;}.api-cmd b{color:var(--text);font-weight:500;}
.api-hint{color:var(--accent);font-size:0.75rem;padding:2px 0;opacity:0.8;}

/* ═══ [SECTION: CSS-DROPZONE] ═══ */
.drop-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(15,17,23,0.85);display:none;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(4px);}
.drop-overlay.active{display:flex;}
.drop-box{padding:40px 60px;border:3px dashed var(--accent);border-radius:16px;color:var(--accent);font-size:18px;font-weight:600;text-align:center;}
/* ── Autocomplete Popup ── */
/* ── Autocomplete Popup ── */
.ac-popup{position:absolute;z-index:100;background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;box-shadow:0 4px 16px rgba(0,0,0,.4);max-height:220px;overflow-y:auto;width:300px;display:none;font-family:'JetBrains Mono',monospace;font-size:12px;}
.ac-item{display:flex;align-items:center;padding:5px 10px;cursor:pointer;gap:8px;border-bottom:1px solid rgba(255,255,255,.03);}
.ac-item:last-child{border-bottom:none;}
.ac-item:hover,.ac-active{background:var(--accent);color:#fff;}
.ac-label{color:var(--cyan);font-weight:600;white-space:nowrap;min-width:0;flex-shrink:0;}
.ac-active .ac-label{color:#fff;}
.ac-desc{color:var(--text-muted);font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ac-active .ac-desc{color:rgba(255,255,255,.7);}
.ac-popup::-webkit-scrollbar{width:4px;}
.ac-popup::-webkit-scrollbar-thumb{background:var(--accent);border-radius:2px;}

/* ── Report Student Info ── */
.report-student{padding:12px 20px;border-bottom:1px solid var(--border);}
.report-student h4{margin:0 0 8px;font-size:13px;color:var(--text-muted);}
.student-row{display:flex;gap:8px;margin-bottom:6px;flex-wrap:wrap;align-items:flex-end;}
.student-row label{display:flex;flex-direction:column;gap:2px;font-size:11px;color:var(--text-muted);}
.student-row input,.student-row textarea{background:var(--bg-main);border:1px solid var(--border);border-radius:4px;color:var(--text);padding:4px 8px;font-size:13px;font-family:inherit;}
.student-row input{width:100px;}
.student-row input:focus,.student-row textarea:focus{border-color:var(--accent);outline:none;}
.student-row textarea{width:100%;resize:vertical;min-height:40px;}

/* ═══ [SECTION: HELP-MODAL] ═══ */
.help-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6);z-index:2000;display:none;align-items:center;justify-content:center;backdrop-filter:blur(2px);}
.help-overlay.open{display:flex;}
.help-modal{width:420px;max-height:80vh;background:var(--bg-secondary);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column;}
.help-header{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border);}
.help-header h3{margin:0;font-size:15px;color:var(--text);}
.help-close{background:none;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:4px 8px;border-radius:6px;}
.help-close:hover{background:var(--bg-primary);color:var(--text);}
.help-body{flex:1;overflow-y:auto;padding:12px 18px;}
.help-section{margin-bottom:14px;}
.help-section-title{font-size:11px;font-weight:700;letter-spacing:0.3px;color:var(--accent);margin-bottom:6px;}
.help-row{display:flex;align-items:center;justify-content:space-between;padding:4px 0;font-size:12px;color:var(--text-dim);}
.help-row kbd{display:inline-block;background:var(--bg-primary);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text);min-width:20px;text-align:center;}
.help-icon{display:inline-block;background:var(--bg-primary);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:11px;min-width:20px;text-align:center;}
.help-tip{font-size:11px;color:var(--text-muted);padding:8px 12px;background:var(--accent-glow);border-radius:8px;margin-top:8px;text-align:center;}

/* ═══ [SECTION: ONBOARDING] ═══ */
.onboard-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);z-index:3000;display:none;align-items:center;justify-content:center;backdrop-filter:blur(4px);}
.onboard-overlay.open{display:flex;animation:fadeIn .3s ease;}
.onboard-card{width:440px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:32px;text-align:center;}
.onboard-emoji{font-size:48px;margin-bottom:12px;}
.onboard-card h2{font-size:20px;color:var(--text);margin-bottom:8px;}
.onboard-card p{font-size:13px;color:var(--text-dim);margin-bottom:20px;}
.onboard-features{text-align:left;margin:0 auto 20px;max-width:320px;}
.onboard-feat{display:flex;align-items:center;gap:10px;padding:6px 0;font-size:13px;color:var(--text-dim);}
.onboard-feat span:first-child{width:24px;text-align:center;font-size:15px;flex-shrink:0;}
.onboard-btn{background:linear-gradient(135deg,var(--accent),#7c4dff);color:#fff;border:none;border-radius:10px;padding:12px 32px;font-size:15px;font-weight:700;cursor:pointer;transition:transform .15s,box-shadow .15s;}
.onboard-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(79,195,247,.3);}
.onboard-skip{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:12px;font-size:11px;color:var(--text-muted);cursor:pointer;}
.onboard-skip input{accent-color:var(--accent);}

/* ═══ [SECTION: CODE-SNAPSHOTS] ═══ */
.snapshot-bar{display:none;align-items:center;gap:6px;padding:2px 12px;background:var(--bg-secondary);border-bottom:1px solid var(--border);font-size:11px;color:var(--text-dim);}
.snapshot-bar.visible{display:flex;}
.snapshot-bar button{font-size:10px;padding:2px 8px;border:1px solid var(--border);background:transparent;color:var(--accent);border-radius:4px;cursor:pointer;}
.snapshot-bar button:hover{background:var(--accent-glow);}

/* ═══ [SECTION: TOOLBAR-ENHANCED] ═══ */
.toolbar-sep{color:var(--border-light);font-size:14px;user-select:none;margin:0 2px;}
.indent-btn.active{border-color:var(--accent);color:var(--accent);background:var(--accent-glow);}

/* ═══ [SECTION: ERROR-CARDS] 3단 에러 분류 ═══ */
.err-card{margin:4px 0;padding:8px 10px;border-radius:8px;border-left:3px solid;font-family:'JetBrains Mono',monospace;font-size:11px;animation:fadeIn .2s ease;}
.err-card.err-syntax{background:rgba(239,83,80,0.08);border-color:var(--red);}
.err-card.err-runtime{background:rgba(255,167,38,0.08);border-color:var(--orange);}
.err-card.err-device{background:rgba(206,147,216,0.08);border-color:var(--purple);}
.err-card-head{display:flex;align-items:center;gap:6px;margin-bottom:3px;}
.err-card-icon{font-size:14px;}
.err-card-cat{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:1px;padding:1px 6px;border-radius:8px;color:#fff;}
.err-syntax .err-card-cat{background:var(--red);}
.err-runtime .err-card-cat{background:var(--orange);color:#000;}
.err-device .err-card-cat{background:var(--purple);}
.err-card-sub{font-size:10px;color:var(--text-muted);font-weight:600;}
.err-card-title{color:var(--text);font-size:12px;font-weight:600;margin-bottom:2px;}
.err-card-detail{color:var(--text-dim);font-size:11px;margin-bottom:4px;}
.err-card-actions{display:flex;gap:4px;margin-top:4px;}
.err-action-btn{font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:600;padding:3px 10px;border-radius:6px;border:1px solid;cursor:pointer;transition:all .15s;background:transparent;}
.err-syntax .err-action-btn{border-color:var(--red);color:var(--red);}
.err-syntax .err-action-btn:hover{background:var(--red);color:#fff;}
.err-runtime .err-action-btn{border-color:var(--orange);color:var(--orange);}
.err-runtime .err-action-btn:hover{background:var(--orange);color:#000;}
.err-device .err-action-btn{border-color:var(--purple);color:var(--purple);}
.err-device .err-action-btn:hover{background:var(--purple);color:#fff;}

/* Error line highlight in editor */
.cm-error-line{background:rgba(239,83,80,0.12) !important;}
body.light .cm-error-line{background:rgba(211,47,47,0.1) !important;}

/* ═══ [SECTION: LOG-TYPES] Console log type colors ═══ */
.log-error{color:var(--red);}
.log-warning{color:#ffa726;}
.log-system{color:var(--text-muted);}
.log-success{color:var(--green);}
.log-ai{color:var(--accent);}
.log-sent{color:#ce93d8;}
.log-data{color:#4dd0e1;}

/* ═══ Error card code snippets ═══ */
.err-card-snippet{margin:4px 0;padding:6px 8px;border-radius:4px;background:rgba(0,0,0,0.2);font-family:'JetBrains Mono',monospace;font-size:11px;line-height:1.6;}
body.light .err-card-snippet{background:rgba(0,0,0,0.05);}
.err-snip-bad{color:var(--red);text-decoration:line-through;opacity:0.7;}
.err-snip-good{color:var(--green);font-weight:600;}
.err-snip-ln{color:var(--text-muted);font-size:9px;min-width:20px;display:inline-block;}
.err-snip-arrow{color:var(--green);font-weight:700;margin-right:2px;}
.err-card-snippet code{font-family:inherit;background:none;padding:0;}