/* Desktop workshop: tools around one continuous canvas; notebook beside it. */
:root{font:14px/1.45 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#273d38;background:#f5f4ef;--muted:#58665d;--line:#d6dcd4;--ink:#244b40;--accent:#326554;--rail:48px}
*{box-sizing:border-box}body{margin:0;height:100dvh;min-height:520px;display:flex;flex-direction:column;overflow:hidden}button,input,select,textarea{font:inherit}button{min-width:34px;min-height:36px;color:inherit;background:#fffefa;border:1px solid var(--line);border-radius:7px;padding:7px 12px;cursor:pointer;white-space:nowrap;touch-action:manipulation}button:hover{background:#edf2e9;border-color:#96b09d}button:disabled{opacity:.4;cursor:default}button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}input,select{min-width:0;min-height:36px;border:1px solid var(--line);border-radius:6px;background:#fffefa;color:inherit;padding:7px 9px}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid #498b70;outline-offset:2px}[hidden]{display:none!important}
header{height:56px;flex:none;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line);padding:0 20px;position:relative;z-index:9;background:#fafaf6}.brand{display:inline-flex;align-items:center;gap:8px;min-height:44px;flex:none;color:#18201e;text-decoration:none;white-space:nowrap;border-radius:6px}.brand-mark{width:18px;height:18px;flex:0 0 18px;background:currentColor;-webkit-mask:url("/assets/brand/physicshub-mark.svg?v=20260905-zyh-b3-v1") center / contain no-repeat;mask:url("/assets/brand/physicshub-mark.svg?v=20260905-zyh-b3-v1") center / contain no-repeat}.brand-wordmark{display:inline-flex;align-items:center;font:750 16px/22px system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;letter-spacing:-.03em}#brand-hub{color:#0f766e}.brand:hover{color:#0f766e}.brand:focus-visible{outline:2px solid #498b70;outline-offset:3px}.file-actions{display:flex;gap:8px;margin-left:auto}#project-name{width:260px;border-color:transparent;background:transparent}#project-menu{position:absolute;right:18px;top:50px;width:280px;padding:14px;display:grid;gap:8px}
main{flex:1;min-height:0}.workspace{height:100%;display:grid;grid-template-columns:var(--rail) minmax(0,1fr);grid-template-rows:56px minmax(0,1fr);overflow:hidden}.workspace[data-notebook=true]{grid-template-columns:var(--rail) minmax(0,1fr) clamp(340px,32vw,480px)}.top-tools{grid-column:1/-1;display:flex;align-items:center;gap:18px;padding:8px 18px;background:#fafaf6;border-bottom:1px solid var(--line)}.history-tools,.transport{display:flex;gap:6px;align-items:center}.history-tools{padding-right:18px;border-right:1px solid var(--line)}.history-tools button{border-color:transparent;background:transparent}#records-toggle{margin-left:auto}#transport-state{font-size:12px;color:var(--muted);margin-left:7px;min-width:48px}
.edit-tools{grid-column:1;grid-row:2;border-right:1px solid var(--line);background:#fafaf6;padding:12px 7px;display:flex;flex-direction:column;align-items:stretch;gap:9px}.edit-tools button{display:flex;flex-direction:column;align-items:center;gap:1px;padding:7px 2px;border-color:transparent;background:transparent;font-size:11px}.edit-tools button>span:first-child{font-size:23px;line-height:27px}.edit-tools button[aria-pressed=true]{border-color:#afc4b4;background:#e4ecdf;color:#254f3d}.edit-tools kbd{font:11px system-ui;color:#586b5a}.tool-divider{height:1px;background:var(--line);margin:2px 5px}
#bench-area{grid-column:2;grid-row:2;position:relative;min-width:0;min-height:0;overflow:hidden;background:#eef0e9}#stage{position:absolute;inset:0;overflow:hidden}#stage canvas{display:block;touch-action:none;outline-offset:-4px}.floating{background:#fffefa;border:1px solid var(--line);box-shadow:0 8px 32px #34453618;border-radius:10px;z-index:4}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-heading h2{font-size:16px;font-weight:600;margin:0}.panel-heading button{border-color:transparent;background:transparent}#tray{position:absolute;left:14px;top:14px;width:274px;max-height:calc(100% - 76px);overflow:auto;padding:13px}#palette{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin:12px 0 16px}#palette button{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center;padding:12px 6px;font-size:13px;white-space:normal}.swatch{width:35px;height:25px;border:1px solid #0002;border-radius:3px;flex:none;box-shadow:inset -4px -3px #0001}.swatch.sphere{width:26px;height:26px;border-radius:50%}.swatch.ruler{height:9px;width:45px;margin:8px 0;background:repeating-linear-gradient(90deg,#745c39 0 1px,transparent 1px 5px)!important;background-color:#d7b17b!important}.swatch.beam{height:10px;width:45px;margin:8px 0}.swatch.stopwatch{border-radius:40%;width:25px;height:27px}.palette-description{font-size:11px;color:var(--muted)}summary{cursor:pointer;min-height:34px;padding:8px 2px;font-size:13px}#count{color:var(--muted);margin-left:8px}#objects{display:grid;gap:3px}#objects button{text-align:left;border-color:transparent;background:transparent;overflow:hidden;text-overflow:ellipsis}#objects button[aria-pressed=true]{background:#e8eee4}
#empty{position:absolute;top:19%;left:0;right:0;text-align:center;pointer-events:none;z-index:1}#empty button{pointer-events:auto;margin-top:24px}#empty h1{font-size:32px;letter-spacing:-.6px;font-weight:500;margin:10px 0}#empty p{color:var(--muted);margin:0}#loading{position:absolute;left:50%;top:65%;transform:translate(-50%,-50%);z-index:10;background:#fffefa;padding:15px 20px;border:1px solid var(--line);border-radius:9px;max-width:90%;text-align:center}#retry{margin-left:10px}
#selection{position:absolute;bottom:63px;left:50%;transform:translateX(-50%);padding:6px;max-width:calc(100% - 28px)}.selection-actions{display:flex;gap:3px;align-items:center}#selected-name{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:0 9px;font-weight:550}#selection button{border-color:transparent;background:transparent}#selection #read{background:#e5ecdf;color:#244b40}#instrument-hint{font-size:12px;color:var(--muted);margin:4px 10px 6px;max-width:550px}#reading-view{position:absolute;top:16px;left:50%;transform:translateX(-50%);display:flex;gap:24px;align-items:center;padding:10px 12px 10px 18px;white-space:nowrap}#reading-view small{display:block;color:var(--muted);font-size:12px;margin-top:3px}#reading-view strong{font-size:13px;font-weight:550}.bottom-tools{position:absolute;bottom:14px;left:18px;right:18px;display:flex;align-items:center;gap:12px;pointer-events:none}.bottom-tools>*{pointer-events:auto}#tool-hint{font-size:12px;color:#657361;margin-right:auto}.view-buttons{display:flex;gap:2px;background:#fbfcf5eb;border:1px solid var(--line);border-radius:8px;align-items:center}.view-buttons button{border:0;background:transparent;font-size:18px}.view-buttons output{font-size:12px;min-width:46px;text-align:center;font-variant-numeric:tabular-nums}.rotation-handle{position:absolute;z-index:3;width:32px;height:32px;min-height:32px;padding:0;border-radius:50%;background:#fffefa;box-shadow:0 2px 10px #3c513228;font-size:21px;touch-action:none;transform:translate(-50%,-50%);cursor:grab}.rotation-handle:active{cursor:grabbing}.marquee{position:absolute;pointer-events:none;z-index:2;border:1px solid #35765b;background:#559c7925}.object-label{position:absolute;pointer-events:none;transform:translate(-50%,-100%);font-size:11px;color:#506357;white-space:nowrap;background:#f9fbf3cc;border-radius:3px;padding:2px 5px;z-index:1}
#context-menu{position:absolute;z-index:12;min-width:215px;padding:5px}#context-menu button{display:flex;justify-content:space-between;align-items:center;gap:22px;width:100%;background:transparent;border:0;border-radius:4px;text-align:left;font-size:13px}#context-menu button:hover,#context-menu button:focus{background:#e7efdf}#context-menu kbd{color:#889383;font:11px system-ui}.menu-divider{border-top:1px solid var(--line);margin:5px}
footer{height:28px;flex:none;display:flex;align-items:center;gap:16px;padding:0 20px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);background:#fafaf6}#status{color:#325d4e;margin-right:auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}details p{font-size:13px;color:var(--muted);white-space:normal}details a{font-size:12px;color:var(--ink)}
.records{grid-column:3;grid-row:2;min-width:0;min-height:0;background:#fffefa;border-left:1px solid #b5c2b6;display:flex;flex-direction:column;z-index:7}.record-heading{display:flex;align-items:center;padding:12px 10px;gap:5px}.record-heading>button{margin-left:auto;border-color:transparent}.record-actions{display:flex;gap:4px;padding:0 10px 12px;flex-wrap:wrap}.record-actions button{font-size:12px;padding:6px 9px}#table-name{font-weight:550;border-color:transparent;background:transparent;width:calc(100% - 60px)}#active-cell{display:none}
#stopwatch{position:absolute;z-index:5;top:99px;left:26px;right:auto;width:222px;padding-top:24px;color:#e6e9dd;filter:drop-shadow(0 6px 8px #25322822)}#watch-hide{position:absolute;right:-17px;top:-24px;background:#fffefac9;border:0;font-size:22px;color:#617161;border-radius:50%;width:44px;height:44px;padding:0}.watch-buttons{display:flex;justify-content:space-between;position:absolute;left:16px;right:16px;top:0;z-index:4}.watch-buttons button{height:48px;min-width:82px;border:2px solid #444d4b;border-bottom-width:6px;border-radius:16px 16px 7px 7px;background:#616e64;color:white;box-shadow:inset 0 2px 1px #ffffff40;font-size:13px;padding:5px 11px 13px}.watch-buttons #watch-toggle{background:#ad4f3b;border-color:#8c493b;transform:rotate(9deg)}.watch-buttons #watch-reset{transform:rotate(-9deg)}.watch-buttons button:active{top:3px;border-bottom-width:3px}.watch-case{position:relative;z-index:3;padding:28px 16px 22px;background:linear-gradient(150deg,#58635d,#343e39 75%);border:3px solid #737f74;border-radius:34% 34% 32% 32% / 22% 22% 30% 30%;box-shadow:inset 0 0 0 4px #303d37,inset 0 7px 8px #ffffff1c}.watch-brand{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:1px;margin:0 5px 14px}.watch-brand span:last-child{font-size:11px;color:#b8c5b7;letter-spacing:.3px}.lcd{background:#cbd5ac;color:#2d3f24;border:5px solid #222e27;border-radius:10px;padding:10px 8px 12px;box-shadow:inset 1px 3px 4px #1d2e2c50,0 1px #899686}.lcd-labels{display:flex;justify-content:space-around;font:11px/1.3 ui-monospace,monospace;margin-bottom:8px;color:#526147}#watch-value{display:flex;justify-content:center;align-items:flex-end;gap:3px;height:33px;font-variant-numeric:tabular-nums;font:27px/1 ui-monospace,monospace}.lcd-digit{position:relative;display:block;width:18px;height:32px;flex:none}.lcd-digit i{position:absolute;display:block;background:#34492b;opacity:.065;border-radius:1px}.lcd-digit i:nth-child(1){left:3px;top:0;width:12px;height:3px}.lcd-digit i:nth-child(2){right:0;top:3px;width:3px;height:11px}.lcd-digit i:nth-child(3){right:0;bottom:3px;width:3px;height:11px}.lcd-digit i:nth-child(4){left:3px;bottom:0;width:12px;height:3px}.lcd-digit i:nth-child(5){left:0;bottom:3px;width:3px;height:11px}.lcd-digit i:nth-child(6){left:0;top:3px;width:3px;height:11px}.lcd-digit i:nth-child(7){left:3px;top:14.5px;width:12px;height:3px}.lcd-digit i.on{opacity:1}.lcd-separator{position:relative;display:block;flex:0 0 7px;width:7px;height:32px;margin:0}.lcd-separator::after,.lcd-colon::before{content:"";position:absolute;left:2px;width:3px;height:3px;background:#34492b;border-radius:1px}.lcd-colon::before{top:9px}.lcd-colon::after{top:21px}.lcd-decimal::after{bottom:0}.watch-face-bottom{display:flex;flex-direction:column;align-items:center}#watch-state{display:block;min-height:34px;padding-top:15px;font-size:11px;text-align:center;color:#c8d2c5}.watch-grip{width:48px;height:13px;margin-top:8px;border-top:2px solid #6a786b;border-bottom:2px solid #28372d;box-shadow:inset 0 2px #28372d,inset 0 -2px #6a786b}.watch-loop{width:26px;height:23px;margin:-6px auto 0;border:6px solid #506056;border-top:0;border-radius:0 0 12px 12px}#sheet{overflow:auto;flex:1;border-top:1px solid var(--line)}.sheet-empty{padding:24px;color:var(--muted);margin:0}table{border-collapse:collapse;min-width:100%;table-layout:fixed}th,td{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:0;min-width:160px;font-weight:400}th{background:#f0f3eb}td:first-child,th:first-child{min-width:44px;width:44px;text-align:center;color:var(--muted);font-size:12px;background:#f5f7f0}td textarea,th input{border:0;border-radius:0;background:transparent;min-width:160px;width:100%;padding:10px;font-size:15px;color:inherit}td textarea{display:block;resize:vertical;min-height:44px;line-height:24px}th input{font-weight:500}th>div{display:flex;align-items:center}th button,td button{border:0;background:transparent;padding:6px}td[data-active=true]{box-shadow:inset 0 0 0 2px #327a63}dialog{border:1px solid var(--line);border-radius:14px;width:min(480px,calc(100% - 32px));max-height:80dvh;padding:22px;color:var(--ink);background:#fffefa}dialog::backdrop{background:#213c313b}dialog h2{font-size:20px}dialog p{color:var(--muted)}dialog form>div{display:flex;justify-content:flex-end;gap:8px}.field{display:grid;gap:5px;margin-bottom:14px}.field>span{font-size:13px;color:var(--muted)}#properties{padding-top:12px}.actions{display:flex;gap:8px;margin:12px 0}.connect-form{display:grid;gap:6px}.connections{list-style:none;padding:0}.connections li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px}.hint{font-size:12px;color:var(--muted)}.instrument-reading{font-size:27px;font-variant-numeric:tabular-nums}.field input[type=checkbox]{width:30px;min-height:30px}#properties h2{font-size:16px}

#stopwatch{top:26px;right:28px;width:210px}#stopwatch .watch-case{touch-action:none;cursor:grab}#stopwatch .watch-case:active{cursor:grabbing}#turn-left,#turn-right{font-size:22px!important;line-height:1}#watch-value{pointer-events:none}#watch-hide{min-height:30px;width:30px;height:30px;right:-10px;top:-7px;font-size:18px}.shortcut-list dt{font-weight:600;margin-top:18px}.shortcut-list dd{margin:4px 0;color:var(--muted);font-size:13px}#help-dialog{width:min(560px,calc(100% - 32px))}
@media(max-width:1100px){#project-name{width:180px}.top-tools{gap:9px}.history-tools{padding-right:8px}#transport-state{display:none}#tool-hint{max-width:300px;font-size:11px}#selection button{padding:7px 8px}#selected-name{max-width:90px}}
@media(max-width:850px){#project-name{display:none}.workspace[data-notebook=true]{grid-template-columns:var(--rail) minmax(0,1fr)}.workspace{grid-template-columns:var(--rail) minmax(0,1fr)}.records{position:absolute;right:0;top:112px;bottom:28px;width:min(380px,80vw);box-shadow:-8px 0 24px #34453618}#tool-hint{max-width:240px}.top-tools{padding:8px 10px}.top-tools button{padding:7px 9px}.history-tools{gap:0}#selection .selection-actions{flex-wrap:wrap}#selection{width:max-content}#stopwatch{width:195px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}

.records th input{min-width:100px}.records th,.records td{min-width:130px}.records td:first-child,.records th:first-child{min-width:36px;width:36px}.records td textarea{min-width:130px;font-size:14px}

/* One working apparatus set; common measurement tools have their own drawer. */
.top-tools{gap:10px}.history-tools{padding-right:10px}
#measurements,#presets{position:absolute;left:14px;top:14px;width:310px;max-height:calc(100% - 90px);overflow:auto;padding:14px}
#measure-palette{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
#measure-palette button{display:flex;flex-direction:column;align-items:center;gap:8px;padding:13px 6px;white-space:normal}
.swatch{background:#d4b587}.swatch.meter{height:12px;width:45px;margin:7px 0;background:repeating-linear-gradient(90deg,#79643c 0 1px,#dac18c 1px 5px)}
.swatch.mass{width:29px;height:14px;border-radius:50%;background:linear-gradient(#b9bbb3,#777f77);margin:6px 0;position:relative}.swatch.mass:after{content:"";position:absolute;right:0;top:5px;width:13px;height:3px;background:#fffefa}
.swatch.prism{width:0;height:0;border:0;border-left:17px solid transparent;border-right:17px solid transparent;border-bottom:27px solid #b68b57;background:none;box-shadow:none}
.swatch.protractor{width:38px;height:22px;border-radius:38px 38px 0 0;background:#d8e3d799;border:1px solid #7f9b84}
.swatch.sphere{background:radial-gradient(circle at 33% 28%,#d3dfdf,#729090 45%,#435958)}.swatch.anchor{width:5px;background:#81938b}.swatch.gate{background:#566c79}
.snap-control{font-size:11px;text-align:center;display:grid;justify-items:center;gap:4px;margin-top:8px;cursor:pointer}.snap-control input{width:16px;min-height:16px;height:16px;accent-color:#326554}
.space-hint{margin-top:auto;display:grid;gap:5px;text-align:center;color:var(--muted);font-size:11px}.space-hint kbd{border:1px solid var(--line);border-radius:4px;padding:3px 0;color:var(--ink)}
#load-balance{display:flex;flex-direction:column;align-items:flex-start;gap:7px;width:100%;margin-top:14px;padding:14px;white-space:normal;text-align:left}#load-balance strong{font-size:12px;font-weight:500;color:var(--muted)}#load-balance span{font-size:17px}
#task-list{position:absolute;top:15px;right:15px;max-width:290px;padding:0 12px;z-index:3}#task-list[open]{padding:0 14px 14px}#task-list summary{font-size:12px}#preset-title{font-size:12px;margin:5px 0;color:var(--muted)}
.todo-row{display:flex;align-items:center;gap:7px}.todo-row input{min-height:16px;width:16px;accent-color:#326554}.todo-row textarea{width:100%;min-height:33px;border:0;border-bottom:1px solid var(--line);background:transparent;resize:vertical;color:var(--ink);font-size:12px;padding:7px 2px}
#reading-view{gap:8px;max-width:calc(100% - 24px);flex-wrap:wrap;justify-content:center}#reading-view>div{margin-right:8px}#reading-view button{font-size:12px;padding:6px 9px;min-height:32px}#reading-view button[aria-pressed=true]{background:#e5ecdf;border-color:#9cb699}
#selection{width:max-content}#selection .selection-actions{flex-wrap:wrap}#selection button{font-size:12px;padding:6px 8px}#selected-name{font-size:12px}.object-label{font-size:11px;padding:1px 4px}
#watch-resume{font-size:11px;min-height:25px;padding:3px 8px;margin-top:5px;background:#dce4c9;color:#304735;border:0}
#graph-dialog{width:min(780px,calc(100% - 36px))}.graph-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:18px 0}.graph-controls label{display:flex;gap:6px;align-items:center}.graph-controls select{max-width:180px}.graph-controls input{min-height:16px;width:16px}#graph-canvas{width:100%;height:auto;border:1px solid var(--line)}#graph-result{display:block;font-size:13px;min-height:25px;margin-top:12px;font-variant-numeric:tabular-nums}
@media(max-width:1100px){.top-tools{gap:6px}.top-tools>button{padding:7px 9px}.history-tools{padding-right:5px;gap:0}.history-tools button{padding:7px}#task-list{max-width:240px}#reading-view small{max-width:360px;white-space:normal}}

/* Consistent drawn controls; the experiment remains the visual focus. */
.tool-icon{width:20px;height:20px;flex:none;display:block;pointer-events:none}
.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:13px}
.icon-only{width:36px;height:36px;padding:7px!important}
.history-tools{gap:3px;border-right:0;padding:3px;margin:0 2px;border:1px solid var(--line);border-radius:8px;background:#f1f3ed}
.history-tools button{border:0;border-radius:5px}.history-tools button:hover:not(:disabled){background:#fffefa}
.history-tools button:disabled{opacity:.32}
.edit-tools{padding-top:14px;gap:10px}.edit-tools button{gap:4px;padding:9px 2px}.edit-tools .tool-icon{width:21px;height:21px;margin:0 0 2px}
.rotation-handle{display:grid;place-items:center}.rotation-handle .tool-icon{width:19px;height:19px}
#reading-close{margin-left:4px;border:0;border-left:1px solid var(--line);border-radius:0;padding-left:13px}
#reading-close .tool-icon{width:17px;height:17px}
#turn-left,#turn-right{width:32px;height:32px;min-width:32px;min-height:32px}
.swatch.anchor{position:relative;width:4px;height:29px;margin-left:-12px;border:0;border-radius:2px;background:#99a7a4;box-shadow:none}
.swatch.anchor:before{content:"";position:absolute;width:28px;height:6px;bottom:-2px;left:-8px;border-radius:2px;background:#647b70}
.swatch.anchor:after{content:"";position:absolute;left:0;top:6px;width:21px;height:4px;background:#647b70;border-right:4px solid #364c40}
::selection{background:#c6dccb;color:#173f2f}input,textarea{caret-color:#326554}*{scrollbar-color:#aab8aa #f4f5ef;scrollbar-width:thin}

/* Notebook columns share the available width; the bench keeps its own space. */
.workspace[data-notebook=true]{grid-template-columns:var(--rail) minmax(0,1fr) clamp(280px,34vw,440px)}
.workspace[data-notebook=true][data-notebook-wide=true]{grid-template-columns:var(--rail) minmax(0,1fr) clamp(320px,42vw,550px)}
.record-heading{gap:6px;padding:10px}.record-heading #table-name{width:auto;flex:1;min-width:60px}.record-heading>button{margin-left:0;white-space:nowrap;font-size:12px;padding:5px 7px}
#sheet{scrollbar-width:auto;padding-bottom:12px}.records th{position:sticky;top:0;z-index:1}.records th input{min-width:0;flex:1;width:0}
.records table{min-width:100%;width:100%}.records td,.records th{min-width:0;width:auto}.records th:first-child,.records td:first-child{position:sticky;left:0;z-index:1;min-width:32px;width:32px}.records th:first-child{z-index:2}
.records td textarea{min-width:0;padding:7px 5px;font-size:13px}.records th input{padding:6px 4px;font-size:13px}.records th button{padding:2px;min-width:18px;min-height:30px}.records td textarea{min-height:36px;line-height:21px}
.watch-record{display:block;position:relative;z-index:4;margin:-8px auto 0;background:#e6ebe0;color:#284a3d;border:1px solid #728573;font-size:12px;min-height:30px;padding:5px 13px}
#task-list{max-width:400px;width:max-content}#task-list[open]{width:min(400px,calc(100% - 30px));max-height:min(390px,calc(100% - 140px));overflow:auto}#task-list summary{font-size:13px}
.todo-row{align-items:flex-start;margin:12px 0}.todo-row input{flex:none;margin-top:5px}.todo-row p{font-size:13px;line-height:1.65;white-space:pre-line;margin:0;overflow-wrap:anywhere}.todo-row textarea{font-size:13px;line-height:1.65;min-height:100px}.todo-row:has(input:checked) p{color:#2b7350}
#edit-todos{font-size:12px}#selection #clamp-tool{background:#e5ecdf;color:#244b40}#selection #release-tool{color:#8b4939}
@media(max-width:1100px){#task-list{max-width:340px}}
@media(max-width:850px){.workspace[data-notebook=true],.workspace[data-notebook=true][data-notebook-wide=true]{grid-template-columns:var(--rail) minmax(0,1fr) minmax(270px,42vw)}.records,.workspace[data-notebook-wide=true] .records{position:relative;top:auto;right:auto;bottom:auto;width:auto;box-shadow:none}.record-actions{flex-wrap:wrap}.records th button{min-width:14px;padding:0}.records th input{font-size:12px;padding:6px 2px}}


#preset-capture{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border-top:1px solid var(--line);background:#edf3e7}#preset-capture label{display:flex;gap:5px;align-items:center;font-size:12px}#preset-capture input{min-height:16px;width:16px;accent-color:#2e7755}#preset-capture button{font-size:12px;padding:6px 8px}#preset-reading{font-size:12px;line-height:1.5;margin:0;padding:7px 10px;color:#375b48;background:#f5f8f0}.todo-row.done{background:#edf6e9;margin-left:-5px;margin-right:-5px;padding:5px;border-radius:5px}.todo-row input:disabled{opacity:1;accent-color:#307b50}

.todo-row input:disabled{appearance:none;width:18px;height:18px;min-height:18px;border:1px solid #b1beb0;border-radius:3px;position:relative;background:#fbfcf6}.todo-row input:disabled:checked{background:#307b50;border-color:#307b50}.todo-row input:disabled:checked::after{content:'✓';position:absolute;inset:0;color:white;text-align:center;font-size:14px;line-height:16px}

.watch-buttons #watch-toggle{min-width:100px;font-size:12px;padding-left:8px;padding-right:8px}

/* Compact desktop chrome: shortcuts live in tooltips, not extra rows. */
header{height:48px;padding:0 16px;gap:14px}.workspace-title{padding-left:14px;border-left:1px solid var(--line);font-size:13px;white-space:nowrap;color:var(--muted)}#project-name{width:260px;font-size:13px;min-width:100px}.file-actions{gap:4px}.file-actions button{border-color:transparent;background:transparent}
.workspace{grid-template-rows:48px minmax(0,1fr)}.top-tools{padding:6px 12px;gap:8px}.top-tools>button{border-color:transparent;background:transparent;padding:6px 10px}.top-tools>button[aria-expanded=true]{background:#e6ede3}.transport{gap:3px;padding:0 9px;border-left:1px solid var(--line);border-right:1px solid var(--line)}#transport-state{margin-left:5px;font-size:11px;min-width:0}.history-tools{padding:0;margin:0 4px;background:none;border:0;border-radius:0}.top-tools .snap-control{display:flex;align-items:center;gap:5px;padding:0;margin:0 2px;white-space:nowrap;font-size:12px}.snap-control input{width:15px;height:15px;min-height:15px;accent-color:#326554}
.edit-tools{padding:10px 5px;gap:8px}.edit-tools button{height:36px;min-height:36px;padding:7px;display:grid;place-items:center}.edit-tools .tool-icon{margin:0;width:20px;height:20px}.edit-tools button>span:not([aria-hidden]){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.tool-divider{margin:1px 5px}.leave-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}#leave-workshop{max-width:460px}#leave-copy{line-height:1.7;color:var(--muted)}
@media(max-width:1100px){header{gap:9px;padding:0 12px}.workspace-title{padding-left:9px}#project-name{width:190px}.top-tools{gap:3px;padding:6px 8px}.top-tools>button{padding:6px 8px}.transport{padding:0 5px}.top-tools .snap-control{font-size:11px}.top-tools #transport-state{display:none}}
@media(max-width:850px){.workspace-title{display:none}#project-name{flex:1;min-width:50px;width:120px}.top-tools .snap-control span{display:none}.workspace[data-notebook-wide=true] .records{top:auto}}
#tray,#measurements,#presets{z-index:8}

/* Short authored actions; source metadata stays in the project file. */
#task-list{padding:12px 14px}#task-list[open]{width:min(340px,calc(100% - 30px));max-height:calc(100% - 135px)}
#task-list summary{display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;font-weight:600}
#task-list summary::-webkit-details-marker{display:none}#steps-chevron .tool-icon{width:14px;height:14px;transition:transform .16s ease}
#task-list[open] #steps-chevron .tool-icon{transform:rotate(90deg)}#todos{padding-top:5px}
#todos .todo-row{display:grid;grid-template-columns:18px 17px minmax(0,1fr);align-items:start;gap:6px;margin:0;padding:5px 0;background:transparent}
#todos .todo-row p{font-size:13px;line-height:1.6}#todos .todo-row input{margin:2px 0 0;width:16px;height:16px;min-height:16px}
#todos .todo-row input:disabled:checked::after{font-size:12px;line-height:14px}.todo-number{font-size:12px;line-height:21px;color:var(--muted);font-variant-numeric:tabular-nums}
#edit-todos{margin-top:7px;padding:4px 0;min-height:28px;border:0;background:none;color:var(--muted);font-size:12px}
@media(prefers-reduced-motion:reduce){#steps-chevron .tool-icon{transition:none}}

/* Small controls belong to the instrument, not the notebook. */
.clamp-preview{position:absolute;z-index:5;transform:translate(-50%,-100%);padding:7px 10px 19px;color:#205c43;font-size:12px;white-space:nowrap;pointer-events:none;background:linear-gradient(#eff9ed 0 calc(100% - 12px),transparent 0);border-radius:6px}
.clamp-preview::after{content:"";position:absolute;bottom:-8px;left:calc(50% - 9px);width:18px;height:18px;border:2px solid #34865d;border-radius:50%;box-shadow:0 0 0 4px #71b78b33}
.scale-readout{position:absolute;z-index:5;display:flex;align-items:center;gap:5px;max-width:calc(100% - 16px);padding:5px 7px;background:#fffef6f5;border:1px solid #bfcbbc;border-radius:7px;box-shadow:0 3px 12px #314b3a16;flex-wrap:wrap;justify-content:center}
.scale-readout button{padding:4px 7px;font-size:12px;min-height:28px;border-color:transparent;background:transparent}.scale-readout #scale-read,.scale-readout #scale-record,.scale-readout #preset-record{background:#e6efe0;color:#285440}
.scale-readout output{font-size:13px;font-variant-numeric:tabular-nums;white-space:nowrap;padding:0 5px}.scale-readout small{font-size:11px;color:#526a57}.scale-readout small:empty{display:none}
.scale-readout #preset-capture{border:0;background:none;padding:0;gap:5px;flex-wrap:wrap;justify-content:center}.scale-readout #preset-capture label{font-size:11px}
.scale-marker{position:absolute;z-index:5;transform:translate(-100%,-100%);height:34px;min-height:34px;padding:2px 7px 10px;border:0;border-right:1.5px solid #397a60;border-radius:0;background:linear-gradient(#ecf4e9 0 24px,transparent 24px);color:#254f3d;font:12px ui-monospace,monospace;white-space:nowrap;touch-action:none;cursor:ew-resize}
.scale-marker[data-marker=B]{transform:translate(0,-100%);border-right:0;border-left:1.5px solid #397a60}.scale-marker:focus-visible{outline:2px solid #397a60;outline-offset:3px}
#selection #putty-tool{color:#345b7d;background:#edf4fa}

.scale-readout #scale-hide{order:6;color:var(--muted);font-size:16px;padding:2px 5px}.scale-readout #scale-record{order:3}.scale-readout output{order:1}.scale-readout small{order:2}.scale-options{order:5;position:relative}.scale-options summary{cursor:pointer;list-style:none;font-size:18px;padding:0 7px}.scale-options summary::-webkit-details-marker{display:none}.scale-options[open]{position:static}.scale-options[open]>button,.scale-options[open]>#preset-capture{position:absolute;left:0;right:0;top:100%;background:#fffef6;padding:8px;border:1px solid var(--line);border-radius:6px;box-shadow:0 4px 10px #314b3a18}.scale-options[open]>#preset-capture{top:calc(100% + 42px)}.scale-options #preset-record{display:none}
#reading-view>div{display:none}#reading-view{width:max-content;padding:6px 8px;gap:4px;box-shadow:0 2px 8px #314b3a14}

.records th textarea{display:block;resize:none;border:0;background:transparent;min-width:0;width:0;flex:1;padding:6px 4px;min-height:38px;height:38px;font-size:12px;line-height:14px;color:inherit;overflow:hidden}
#bench-area{container-type:inline-size}
@container(max-width:540px){#bench-area:has(#reading-view:not([hidden])) #task-list{top:76px}}
@media(max-width:850px){.records td textarea{font-size:12px;padding:7px 2px}}

/* Compact searchable catalogue: one row per experiment, bounded pages. */
#presets{width:min(540px,calc(100% - 28px));padding:12px;max-height:calc(100% - 28px)}
.preset-filters{display:grid;grid-template-columns:1fr 1fr auto auto;gap:8px;align-items:end}
.preset-filters>input{grid-column:1/-1;min-width:0;width:100%;font-size:13px}
.preset-filters>label{display:grid;gap:3px;font-size:11px;color:var(--muted)}
.preset-filters select{min-width:0;width:100%;font-size:12px;padding:6px;min-height:32px}
.preset-filters>button{min-height:32px;font-size:12px;padding:5px 8px}
.preset-instruments{position:relative;font-size:12px;align-self:end}
.preset-instruments summary{display:flex;align-items:center;gap:8px;list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:7px;padding:7px 10px;white-space:nowrap}
.preset-instrument-options{position:absolute;right:0;top:100%;z-index:2;background:#fffef8;border:1px solid var(--line);border-radius:7px;box-shadow:0 5px 14px #30443918;padding:7px;min-width:180px;max-height:210px;overflow:auto}
.preset-instrument-options label{display:flex;align-items:center;gap:7px;padding:5px;font-size:12px}
.preset-instrument-options input{width:15px;min-height:15px;accent-color:#34584b}
.preset-count{font-size:11px;color:var(--muted);padding:10px 0 5px}
.preset-list{display:grid;gap:0}
.preset-row{display:grid;grid-template-columns:1fr auto;text-align:left;gap:4px 8px;padding:9px 5px;min-height:56px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none;width:100%}
.preset-row strong{font-size:13px;font-weight:600;line-height:1.5}.preset-row small{font-size:10px;color:var(--muted);align-self:center}
.preset-row .preset-apparatus{grid-column:1/-1;color:var(--muted);font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.preset-row:hover{background:#e9efe4}
.preset-pagination{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:10px;font-size:12px}.preset-pagination button{font-size:12px;min-height:30px;padding:4px 9px}
@media(max-width:600px){#presets{left:8px;width:calc(100% - 16px)}.preset-row{grid-template-columns:1fr}.preset-row small{grid-row:2}.preset-row .preset-apparatus{grid-row:3}}

.preset-instruments summary::-webkit-details-marker{display:none}.preset-instruments summary::after{content:"";width:5px;height:5px;border-right:1.3px solid currentColor;border-bottom:1.3px solid currentColor;transform:rotate(45deg);margin-top:-3px}.preset-instruments[open] summary::after{transform:rotate(225deg);margin-top:3px}

.profile-ruler{width:min(780px,calc(100vw - 32px));padding:20px}.profile-ruler svg{width:100%;display:block;touch-action:none}.profile-pointer{cursor:ew-resize;outline:none}.profile-pointer.vertical{cursor:ns-resize}.profile-pointer:focus circle{stroke:#263d31;stroke-width:3}.profile-actions{display:flex;align-items:center;justify-content:flex-end;gap:16px}.profile-actions output{font-variant-numeric:tabular-nums;font-size:17px}.profile-ruler .hint{margin:0}.profile-views{display:flex;gap:5px;align-items:center}.profile-views button[aria-pressed=true]{background:var(--accent);color:#fff}.profile-direction{margin-left:auto}

#pending-reading{display:flex;align-items:center;gap:8px;padding:8px 12px;font-size:12px;background:#eef3e8;color:var(--green)}#pending-reading span{flex:1}#pending-reading button{padding:3px 6px;font-size:12px}

#reading-view,#selection{z-index:7}#tray,#measurements,#presets{z-index:8}
/* Reusable apparatus controls stay beside the measured object. */
.rig-actions{display:contents}.bench-instrument{position:absolute;z-index:7;padding:10px;width:208px;display:grid;gap:8px;font-size:12px;max-height:260px;overflow:auto}.bench-instrument[hidden]{display:none}.bench-instrument .panel-heading{gap:5px;margin:0}.bench-instrument .panel-heading button{padding:3px 6px}.bench-instrument output{font-size:16px;font-variant-numeric:tabular-nums;color:#24583e}.bench-instrument input[type=number]{width:76px;margin-left:6px}.bench-instrument input[type=range]{width:100%;accent-color:#477a59}.bench-instrument button{min-height:28px}.bench-measure-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:4;stroke:#32684c;stroke-width:1;fill:none}#cycle-tools{margin:2px 10px 10px;font-size:11px}#cycle-tools summary{cursor:pointer;padding:4px 0}#cycle-tools select{width:110px;max-width:60%}#cycle-tools input{width:42px}#cycle-tools output{display:block;font-variant-numeric:tabular-nums;margin:5px 0}#cycle-tools button{font-size:11px;min-height:26px;padding:3px 7px}

#cycle-tools{background:#fffefa;color:#304638;border:1px solid #c3cebd;border-radius:9px;padding:8px 10px;margin:8px 0 0;filter:none}#cycle-tools button,#cycle-tools select,#cycle-tools input{color:#304638;background:#f6f8f0;border:1px solid #c4cdbd}#cycle-tools summary{color:#304638;min-height:24px;font-size:12px}#cycle-tools output{color:#304638;line-height:1.5}

.tip-actions{display:grid;grid-template-columns:1fr 1fr;gap:5px}.tip-actions button{font-size:12px;padding:5px 6px}

.bench-measure-lines .angle-label{stroke:none;fill:#24583e;font:600 14px system-ui;paint-order:stroke;stroke:#fffefa;stroke-width:3px;stroke-linejoin:round}

/* Native indeterminate progress stays honest during parse/initialisation. */
#loading{top:52%;width:300px;padding:24px;text-align:left;box-shadow:0 8px 30px #203b3210}#load-text{display:block;font-size:15px;font-weight:600}#load-progress{display:block;width:100%;height:7px;margin:17px 0 12px;accent-color:var(--accent,#397878)}#load-detail{display:block;color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}#retry{margin:14px 0 0}

/* Keep paper readings above the bench while the notebook is open. */
.ticker-panel{position:absolute;left:18px;top:8px;width:min(480px,calc(100% - 36px));padding:10px;z-index:7;background:#fffef8;border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 28px #23372d16}
.ticker-panel .panel-heading{margin-bottom:3px}
.ticker-panel canvas{display:block;width:100%;height:56px;object-fit:fill;margin:3px 0}
.ticker-panel label{display:inline-flex;align-items:center;gap:6px;margin:2px 6px 2px 0;font-size:12px}
.ticker-panel select{max-width:140px}.ticker-panel input{width:55px}
.ticker-panel button{margin-right:6px}
.ticker-panel button,.ticker-panel input,.ticker-panel select{min-height:30px;padding:5px 9px}
.ticker-panel output{display:block;font-size:13px;margin:4px 0 0;font-variant-numeric:tabular-nums}
.ticker-panel .hint{font-size:11px;margin:4px 0}

/* Phone width: the action bar wraps to a second row instead of squeezing labels together. */
@media(max-width:600px){.workspace{grid-template-rows:auto minmax(0,1fr)}.top-tools{flex-wrap:wrap;row-gap:4px;padding:5px 8px}.top-tools>*{flex:none}.top-tools>button{padding:6px 8px}.top-tools .transport{border:0;padding:0 4px 0 0}}

/* V5 pre-launch fixes (2026-10-21): keyboard/mouse hints are hidden on touch screens; the phone toolbar keeps the Snap label. */
@media(hover:none) and (pointer:coarse){#tool-hint{visibility:hidden}}
@media(max-width:600px){.top-tools .snap-control span{display:inline}}
/* Phones: the open notebook covers the bench (one task at a time) instead of squeezing the bench to a sliver. */
@media(max-width:600px){.workspace[data-notebook=true],.workspace[data-notebook=true][data-notebook-wide=true]{grid-template-columns:var(--rail) minmax(0,1fr)}.records,.workspace[data-notebook-wide=true] .records{grid-column:2;grid-row:2;width:auto;border-left:0;z-index:9}#records-expand{display:none}}