:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#14171c;color:#e7eaef;--line:#ffffff12;--accent:#8fe0cd;--panel:#1b1f26}body{background:#111419}button,select,input:not([type=range]):not([type=checkbox]){background:#252a33;border:1px solid var(--line);border-radius:8px;padding:8px 10px;color:#dfe5ec}button{transition:background .15s,border-color .15s}button:hover{background:#363d49}button.active{background:#354944!important;border-color:#84cfb6!important;color:#c1f9e5}input:focus,select:focus{outline:1px solid var(--accent)}header{height:68px;flex-wrap:nowrap;background:#1b1f26;border-color:var(--line);padding:12px 22px;gap:12px}header strong{font-size:15px;letter-spacing:.12em;font-weight:700;white-space:nowrap}.brand-mark{color:var(--accent);font-size:26px;vertical-align:middle;margin-right:12px}.brand-sub{font-weight:400;color:#939eab;letter-spacing:0;font-size:12px}header #dataset{margin-left:auto;max-width:420px;font-size:12px;flex:1}header button{font-size:12px}#save-state{color:#9bc8b9;font-size:11px;min-width:120px;text-align:right}nav{background:#1b1f26;border-color:var(--line);padding:0 22px;gap:16px}nav button{font-size:12px;padding:13px 8px;background:none;border-radius:0;color:#9ba5b3}nav button.active{border:0;border-bottom:2px solid var(--accent)!important;background:none!important;color:#d9f8ee}#simple-toolbar{padding:10px 20px;background:#171b21;border-color:var(--line);gap:12px}#simple-toolbar select{font-size:11px;background:#20252d;border-radius:6px;max-width:170px}#simple-toolbar label{color:#aeb7c3;font-size:11px}.mode-buttons{background:#252a32;padding:3px;border-radius:9px}.mode-buttons button{border:none;background:none;font-size:11px;padding:7px 12px}.gesture-help{display:none}#result-sidebar{background:#1b1f26;width:240px;border-color:var(--line)}.sidebar-heading{background:#1b1f26;text-transform:uppercase;letter-spacing:.1em;font-size:10px;padding:24px 20px 12px;color:#a5b0bc;position:static}#result-search{width:calc(100% - 32px);margin:0 16px 12px;font-size:12px}#result-list{padding:0 12px}.result-section{font-size:9px;color:#7f8e9c;margin:22px 10px 10px}.result-button{background:transparent;padding:12px;font-size:12px;border-radius:9px}.result-button span{font-size:10px;color:#8d9bab;line-height:1.5}.result-button.active{background:#263b37!important;border:1px solid #87cbb13f!important;box-shadow:inset 3px 0 var(--accent)}.run-badge{display:inline-block!important;font-size:8px!important;letter-spacing:.08em;color:#b3c5d2!important;text-transform:uppercase;margin:6px 0 0}.selected-actions{font-size:11px;border-color:var(--line);background:#22272f;border-radius:10px;margin-bottom:12px}.selected-actions .muted{font-size:10px}#desk,.viewport{background:#090d12}#desk{margin:10px;border-radius:13px;border:1px solid var(--line);min-height:0}.caption{background:#131921bf;color:#a8b9c9;font-size:10px!important;border-radius:7px;top:14px!important;left:14px!important;max-width:75%;padding:7px 10px}#task-panel{background:#1b1f26;border-color:var(--line);width:300px}.main-tool{background:transparent}.tool{padding:22px;line-height:1.6}.tool h2{font-size:16px!important;font-weight:600}.tool label{font-size:11px;color:#b4bdc9}.muted{font-size:11px;color:#8594a4}.view-navigation{bottom:18px;left:18px;background:#202731e8;border:1px solid #ffffff18;backdrop-filter:blur(16px);border-radius:30px;padding:6px 9px;box-shadow:0 8px 30px #0005}.view-navigation button,.view-navigation select{background:transparent;border:none;font-size:10px}.view-navigation input{width:62px}.zoom-level{font-size:10px;min-width:33px}.view-navigation label{font-size:10px}footer{background:#171b21;border-color:var(--line);padding:9px 22px;gap:10px;font-size:10px;min-height:48px}footer button{font-size:10px;background:transparent;padding:6px 9px}footer input{width:190px}#status{font-size:10px;color:#93a1b2}#meta{font-size:10px}.floating-tools{position:absolute;top:56px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:4px;z-index:8;background:#eef1ee;color:#26312e;padding:6px;border-radius:14px;box-shadow:0 10px 30px #0005;white-space:nowrap}.floating-tools button{background:transparent;color:#37423f;border:none;border-radius:9px;padding:9px 11px;font-size:12px}.floating-tools button.active{background:#c8dfd5!important;color:#193c30;border:none!important}.floating-tools .divider{width:1px;height:22px;background:#24382d22;margin:0 4px}.canvas-hint{position:absolute;bottom:70px;left:50%;transform:translateX(-50%);font-size:10px;color:#9aabb8;z-index:6;pointer-events:none;white-space:nowrap;background:#121922c9;padding:7px 13px;border-radius:20px}.annotation-count{display:flex;align-items:baseline;gap:10px;padding:16px;background:#262e37;border-radius:10px;margin-bottom:20px}.annotation-count strong{font-size:28px;color:#c6edde;font-weight:400}.annotation-row{border-color:var(--line);font-size:11px;padding:12px 0}.annotation-row button,.annotation-row select{font-size:10px}.recipe-card{background:#252d35;padding:14px;border:1px solid var(--line);border-radius:10px;margin:10px 0}.recipe-card button{width:100%;text-align:left}.recipe-library{padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px}.recipe-library h3{font-size:12px}.recipe-library select{width:100%;margin:8px 0}.recipe-save{margin-top:20px;border-top:1px solid var(--line);padding-top:15px}.recipe-save input{margin:7px 0!important}.primary{background:#b9e5d4!important;color:#153c2d!important;font-weight:600;border:0!important}.shared-banner{background:#273730;color:#c4e2d3;font-size:11px;padding:8px 22px;border-bottom:1px solid #b7e0ca22}.pane-name{position:absolute;right:14px;top:16px;color:#b6c5d4;font-size:10px;pointer-events:none;text-transform:uppercase;letter-spacing:.1em}.compare-four{display:grid!important;grid-template-columns:1fr 1fr!important;grid-template-rows:1fr 1fr!important;gap:1px;background:#536772!important}.annotation-layout{display:grid!important;grid-template-columns:1.3fr 1fr!important;gap:1px;background:#43576b!important}body.student #result-sidebar{display:none}body.student #simple-toolbar #comparison,body.student #simple-toolbar label:has(#compare-raw){display:none}.help-note{font-size:10px;padding:10px;background:#273039;border-radius:8px;color:#a9bdcc}.annotation-label{font-size:11px;width:100%;margin-bottom:12px}.edit-actions{display:flex;gap:6px;margin:12px 0}.edit-actions button{font-size:11px}.window{background:#1b1f26;border-color:var(--line)}.bar{background:#252b34}dialog{background:#20262e;border-color:#ffffff26;border-radius:16px}#import-preview{padding:15px;background:#111820;border-radius:10px;font-size:12px;color:#b9dccc;line-height:1.6}
@media(max-width:1050px){.brand-sub{display:none}#result-sidebar{width:190px}#task-panel{width:260px}.floating-tools button{padding:8px}.view-navigation{border-radius:12px}.view-navigation label{display:none}#save-state{min-width:80px;font-size:9px}}@media(max-width:760px){header{height:auto;flex-wrap:wrap;padding:10px}header strong{font-size:12px}header #dataset{max-width:100%;order:5;flex-basis:100%}#result-sidebar{width:145px}.result-button{font-size:11px}#simple-toolbar{padding:8px;gap:8px}#simple-toolbar label{font-size:10px}#simple-toolbar select{max-width:100px}#task-panel{width:100%;max-height:360px}#workspace{overflow:auto}#desk{min-height:520px;margin:6px}#main-host.annotation-layout{grid-template-columns:1fr!important;grid-template-rows:1fr 1fr}.floating-tools{top:48px}.floating-tools button{font-size:10px;padding:8px 6px}.canvas-hint{bottom:65px;font-size:9px}.brand-mark{font-size:20px}.caption{font-size:9px!important}.view-navigation{bottom:8px;left:8px}footer{padding:8px}footer input{width:110px}#status{max-width:100%}.shared-banner{font-size:10px;padding:6px 10px}}

/* Shared control tokens and states across navigation, annotation and processing. */
:root{--control-radius:10px;--control-height:34px;--control-border:#ffffff19;--control-hover:#ffffff0b;--text-secondary:#aab6c4;--focus-ring:#a2ead5}
button,select,input:not([type=range]):not([type=checkbox]){border-color:var(--control-border);border-radius:var(--control-radius);font:inherit;font-size:12px;min-height:var(--control-height)}
button{font-weight:500;box-shadow:inset 0 1px 0 #ffffff05;cursor:pointer;transition:background .14s,border-color .14s,box-shadow .14s}button:hover:not(:disabled){border-color:#ffffff36}button:disabled{opacity:.4;cursor:default;box-shadow:none}button:focus-visible,select:focus-visible{outline:2px solid var(--focus-ring);outline-offset:3px}.primary:hover:not(:disabled){background:#cef2e3!important}.ui-icon{width:17px;height:17px;flex:none}.floating-tools button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;box-shadow:none}.floating-tools button:hover:not(:disabled){background:#dce5df}.floating-tools button.active{box-shadow:inset 0 0 0 1px #84ac9970}.floating-tools button:focus-visible{outline-color:#28684f}.floating-tools{gap:3px}.annotation-row{display:flex;flex-wrap:wrap;gap:7px;align-items:center}.annotation-row>span{flex:1 0 100%;overflow-wrap:anywhere;font-size:12px;line-height:1.5}.annotation-row select{flex:1;min-width:100px}.annotation-row button{flex:none}.trace-card{background:#212932;border:1px solid var(--control-border);border-radius:12px;padding:12px;margin:-8px 0 16px}.trace-card h3{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin:0 0 10px}.trace-card kbd{font:10px inherit;border:1px solid #ffffff28;padding:1px 6px;border-radius:4px;color:var(--text-secondary)}.segmented{display:flex;padding:3px;gap:3px;border-radius:9px;background:#131a20}.segmented button{flex:1;border:0;font-size:11px;padding:6px;min-height:32px;background:transparent}.trace-card output{display:block;color:#bdebd9;font-size:13px;font-variant-numeric:tabular-nums;margin-top:12px}.trace-card p{font-size:11px;line-height:1.6;color:var(--text-secondary);margin:8px 0 12px}.trace-actions{display:flex;gap:6px}.trace-actions button{font-size:10px;padding:6px;flex:1}.annotation-count{margin-bottom:20px;padding:12px 16px}.view-navigation button,.view-navigation select{min-height:28px}.view-navigation button{min-width:28px}input[type=checkbox],input[type=range]{accent-color:var(--accent)}@media(prefers-reduced-motion:reduce){button{transition:none}}@media(max-width:760px){.floating-tools button{gap:3px;padding:7px 5px;font-size:10px}.ui-icon{width:14px;height:14px}}

.method-help,.processing-size{font-size:11px;line-height:1.6;padding:10px;border-radius:8px;background:#252e37;color:#bdccd7}.processing-size.error{color:#ffd199;background:#3b3025}.selected-actions>a{display:block;margin:7px 0}

/* Annotation essentials remain visible; only the mark list scrolls. */
body.student #task-panel{width:300px;overflow:hidden}body.student #task-panel .main-tool{overflow:hidden}body.student .annotation-workbench{display:flex;flex-direction:column;height:100%;max-height:100%;padding:0;gap:0;overflow:hidden}.annotation-head{padding:14px 14px 8px;flex:none;border-bottom:1px solid var(--line)}.annotation-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.annotation-title h2{margin:0}.annotation-title .annotation-count{margin:0;padding:0;background:none;gap:5px}.annotation-title .annotation-count strong{font-size:17px}.annotation-title .annotation-count span{font-size:11px;color:#99aaba}.annotation-head label{margin:0;font-size:11px}.annotation-head input.annotation-label{margin:5px 0 0!important}.annotation-head .trace-card{margin:10px 0 0;padding:8px}.trace-card h3,.trace-card .trace-actions,.trace-card [data-trace-help]{display:none}.trace-card output{font-size:11px;margin-top:5px}.selection-editor{padding:10px 14px;background:#303028}.selection-editor label{margin:0}.selection-editor .edit-actions{margin:6px 0 0}.selection-editor button{min-height:28px}.mark-search{margin:10px 14px!important;width:calc(100% - 28px)!important;flex:none}.mark-scroll{overflow:auto;flex:1;min-height:70px;padding:0 14px}.mark-scroll .annotation-row{padding:10px 0;gap:5px}.mark-scroll .annotation-row button,.mark-scroll .annotation-row select{min-height:28px}.annotation-bottom{flex:none;padding:10px 14px;border-top:1px solid var(--line);background:#20262e}.save-bar{display:flex;gap:8px}.save-bar button{flex:1}.annotation-files{margin-top:9px;font-size:11px;max-height:180px;overflow:auto}.annotation-files summary{cursor:pointer;color:#b2d9cb}.annotation-files [data-export]{margin-top:8px}.annotation-files label{margin-top:10px}.storage-note{font-size:10px;color:#99aea4;margin:8px 0 0}.annotation-view-choice{position:absolute;right:10px;top:8px;display:flex;gap:2px;z-index:9;background:#202b32;padding:3px;border-radius:9px}.annotation-view-choice button{font-size:10px;padding:5px 8px;min-height:28px;background:transparent;border:0}body.student #main-host{top:100px}.floating-tools{top:50px;padding:4px;border-radius:10px;box-shadow:none}.floating-tools button{min-height:32px;padding:7px 9px;font-size:11px}.draft-actions{position:absolute;bottom:66px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:8px;z-index:10;border:1px solid #c9e6db44;background:#263c35;padding:7px 10px;border-radius:12px;white-space:nowrap}.draft-actions span{font-size:11px}.draft-actions button{font-size:11px;min-height:30px}.draft-actions:not([hidden])~.canvas-hint{display:none}.annotation-solo{grid-template-columns:1fr!important;grid-template-rows:1fr!important}body.student .canvas-hint{bottom:8px;padding:4px 8px;font-size:9px}body.student .caption{max-width:70%;font-size:9px!important}body.student .pane-name{font-size:9px}body.student .view-navigation{bottom:28px;padding:4px 7px}@media(max-width:760px){body.student #task-panel{width:100%;height:420px;max-height:none;overflow:hidden}body.student #main-host{top:100px}.annotation-view-choice{right:6px}.draft-actions{max-width:95%;gap:4px}.draft-actions span{font-size:9px}}

body.student #main-host.annotation-layout.annotation-solo{grid-template-columns:1fr!important;grid-template-rows:1fr!important}

#boot{position:fixed;inset:0;z-index:1000;background:radial-gradient(ellipse at 50% 30%,#243b36,#11171e 65%);display:grid;place-items:center;text-align:center}#boot h1{font-weight:400;font-size:32px;letter-spacing:-.04em}#boot p{color:#a8c0ba;line-height:1.8;font-size:13px}.boot-mark{font-size:60px;color:#9cdcc1}header{flex-wrap:wrap;height:auto;min-height:68px}header button{font-size:10px}