:root{--bg: #12161f;--panel: #1a2030;--panel2: #202839;--line: #2c3650;--text: #d7deea;--muted: #8b97ad;--accent: #4dabf7;--good: #51cf66;--warn: #ffd43b;--bad: #ff6b6b;font-size:14px}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,sans-serif}#app{display:flex;flex-direction:column;height:100vh}button{font:inherit;color:var(--text);background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:4px 10px;cursor:pointer;white-space:nowrap}button:hover{border-color:var(--accent)}button.primary{background:#1b4b7a;border-color:#2a6db2}button.active{background:#234;border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}button:disabled{opacity:.45;cursor:default}select,input[type=text]{font:inherit;color:var(--text);background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:3px 6px}input[type=range]{width:100%}#toolbar{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;z-index:30}#toolbar .brand{font-weight:700;margin-right:6px;letter-spacing:.3px}#toolbar .brand span{color:var(--accent)}.tb-group{display:flex;align-items:center;gap:5px;padding:0 8px;border-left:1px solid var(--line)}#sim-time{font-variant-numeric:tabular-nums;color:var(--muted);min-width:64px;text-align:right}#workspace{flex:1;display:flex;min-height:0;position:relative}#palette{width:172px;background:var(--panel);border-right:1px solid var(--line);overflow-y:auto;padding:8px;display:flex;flex-direction:column;gap:6px;flex-shrink:0}#palette h4{margin:8px 0 2px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}.pal-btn{text-align:left;display:flex;gap:7px;align-items:center;padding:6px 8px;overflow:hidden;text-overflow:ellipsis;font-size:13px}.pal-btn .ico{flex-shrink:0}.pal-btn .ico{width:18px;text-align:center}#wire-colors{display:flex;flex-wrap:wrap;gap:5px;padding:2px}.swatch{width:22px;height:22px;border-radius:50%;border:2px solid transparent;cursor:pointer;padding:0}.swatch.active{border-color:#fff;box-shadow:0 0 0 2px var(--accent)}#canvas-wrap{flex:1;min-width:0;display:flex;flex-direction:column}#canvas-area{flex:1;position:relative;min-height:0;display:flex}#three-canvas{width:100%;height:100%;flex:1;display:block;min-height:0;outline:none}#statusbar{position:absolute;left:8px;bottom:8px;right:8px;display:flex;justify-content:space-between;gap:12px;pointer-events:none;z-index:5}#statusbar>div{background:#0e121cd1;border:1px solid var(--line);border-radius:6px;padding:4px 10px;font-size:12.5px;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#status-hover b{color:var(--accent)}#drawer{height:0;transition:height .18s ease;background:var(--panel);border-top:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden}#drawer.open{height:44%;min-height:240px}#drawer-header{display:flex;align-items:center;gap:8px;padding:5px 10px;border-bottom:1px solid var(--line);flex-wrap:wrap}#drawer-header .status{color:var(--muted);font-size:12.5px;flex:1;min-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#blockly-host{flex:1;min-height:0}#sidepanel{width:320px;background:var(--panel);border-left:1px solid var(--line);display:flex;flex-direction:column;flex-shrink:0;min-height:0}#tabs{display:flex;border-bottom:1px solid var(--line);flex-wrap:wrap}#tabs button{flex:1;border:none;border-radius:0;background:transparent;padding:8px 4px;font-size:12.5px;color:var(--muted);position:relative}#tabs button.active{color:var(--text);box-shadow:inset 0 -2px 0 var(--accent);background:transparent}#tabs .badge{position:absolute;top:2px;right:4px;background:var(--bad);color:#fff;font-size:10px;border-radius:8px;padding:0 5px;min-width:15px}#tabs .badge.warn{background:#b98900}#tabs .badge.hidden{display:none}#panel-body{flex:1;overflow-y:auto;padding:10px 12px;font-size:13.5px;line-height:1.45}#panel-body h3{margin:4px 0 6px;font-size:15px}#panel-body h4{margin:12px 0 4px;font-size:12px;text-transform:uppercase;letter-spacing:.8px;color:var(--muted)}#panel-body ul{margin:4px 0;padding-left:18px}#panel-body li{margin:3px 0}#panel-body p{margin:6px 0}.pill{display:inline-block;border:1px solid var(--line);border-radius:20px;padding:1px 9px;margin:2px 3px 2px 0;font-size:12px;background:var(--panel2)}.issue{border:1px solid var(--line);border-left:4px solid var(--muted);background:var(--panel2);border-radius:6px;padding:7px 9px;margin:7px 0;cursor:default}.issue.error{border-left-color:var(--bad)}.issue.warning{border-left-color:var(--warn)}.issue.info{border-left-color:var(--accent)}.issue b{display:block;margin-bottom:2px}.issue small{color:var(--muted)}.issue.clickable{cursor:pointer}.issue.clickable:hover{border-color:var(--accent)}.readout{background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:8px 10px;margin:6px 0}.readout .big{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums}.readout .state-HIGH{color:var(--good)}.readout .state-LOW{color:var(--accent)}.readout .state-FLOATING{color:var(--warn)}.readout .state-CONFLICT{color:var(--bad)}#serial-log{background:#0c101a;border:1px solid var(--line);border-radius:6px;font-family:ui-monospace,Cascadia Mono,monospace;font-size:12.5px;padding:6px 8px;height:calc(100% - 40px);min-height:200px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}#serial-log .t{color:#5c6b84}.field-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:6px 0}.field-row label{color:var(--muted);font-size:12.5px}kbd{background:var(--panel2);border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 5px;font-family:inherit;font-size:12px}#help-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#080a10b8;display:flex;align-items:center;justify-content:center;z-index:60}#help-overlay.hidden{display:none}#help-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px 22px;max-width:560px;max-height:80vh;overflow-y:auto;box-shadow:0 18px 60px #00000080}#help-card h2{margin-top:0}#help-card td{padding:3px 10px 3px 0;vertical-align:top}@media(max-width:1100px){#sidepanel{width:264px}#palette{width:148px}}@media(max-width:880px){#workspace{position:relative}#sidepanel{position:absolute;right:0;top:0;bottom:0;z-index:20;box-shadow:-8px 0 24px #00000073;transform:translate(100%);transition:transform .18s ease;width:min(320px,86vw)}#sidepanel.open{transform:translate(0)}#btn-panel-toggle{display:inline-block!important}}#btn-panel-toggle{display:none}