.study-header{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;padding-bottom:12px;margin-bottom:6px;border-bottom:1px solid var(--rule)}
.study-tabs{display:flex;align-items:center;gap:24px;align-self:stretch}
.study-tabs .btn{position:relative;min-height:44px;padding:0 2px;border:0!important;border-radius:0;background:transparent!important;box-shadow:none!important;color:var(--ink-soft)!important}
.study-tabs .btn[aria-pressed=true]{color:var(--accent-deep)!important}
.study-tabs .btn[aria-pressed=true]::after{content:"";position:absolute;bottom:-13px;left:0;right:0;height:2px;background:var(--accent)}
.study-tabs .btn:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.study-actions{display:flex;align-items:center;gap:16px}
.study-actions .btn{min-height:40px;padding:9px 14px;white-space:nowrap}
.study-actions #resetButton{border-color:transparent!important;background:transparent!important;box-shadow:none!important;color:var(--ink-soft)!important;padding:9px 0}
@media(max-width:560px){.study-header{gap:12px;flex-wrap:wrap}.study-tabs{min-height:44px}.study-actions{margin-left:auto;gap:12px}.study-actions .btn{font-size:11px}.study-tabs{gap:20px}}
.chat-workspace{display:flex;flex-direction:column;flex:1;min-height:0}.tasks-workspace{min-width:0}.task-toolbar{display:flex;gap:12px;justify-content:flex-end;margin-bottom:22px}.task-form{display:grid;gap:18px}.task-form label{display:block;font-family:var(--mono);font-size:12px;margin-bottom:6px}.task-form input,.task-form textarea,.task-form select{width:100%;padding:12px;border:1px solid var(--rule);border-radius:5px;color:var(--ink);background:var(--paper)}.task-form textarea{min-height:85px}.task-form .task-bottom{display:flex;align-items:end;justify-content:space-between;gap:16px}.task-form .task-bottom select{width:100px}.task-error{color:#b33c26;padding:8px 0;white-space:pre-wrap}.task-status{font-family:var(--mono);font-size:12px;color:var(--ink-soft);margin:12px 0}.task-session{display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px}.task-people{display:flex;flex-direction:column;gap:8px;max-height:650px;overflow:auto}.task-person{padding:12px;text-align:left;border:1px solid var(--rule);border-radius:6px;background:var(--paper);color:var(--ink)}.task-person[aria-pressed=true]{border-color:var(--accent);background:var(--accent-wash)}.task-person small{display:block;font-family:var(--mono);font-size:10px}.task-person img{width:100%;aspect-ratio:1.6;object-fit:contain;margin-top:8px}.task-screen{aspect-ratio:1.6;border:1px solid var(--rule);border-radius:6px;display:grid;place-items:center;background:var(--paper-deep,var(--paper));overflow:hidden}.task-screen img{width:100%;height:100%;object-fit:contain}.task-narration{font-size:21px;line-height:1.5;min-height:70px;margin:18px 0;white-space:pre-wrap}.task-film{display:flex;gap:7px;overflow:auto;padding:8px 0}.task-film button{flex:0 0 85px;border:2px solid transparent;border-radius:3px;padding:0}.task-film button[aria-pressed=true]{border-color:var(--accent)}.task-film img{width:81px;display:block}.task-controls{display:flex;justify-content:space-between;gap:8px;margin:8px 0}.task-history{margin-top:30px;border-top:1px solid var(--rule);padding-top:15px}.task-history button{display:block;width:100%;text-align:left;border-bottom:1px solid var(--rule);padding:12px 0}.task-history small{display:block;font-family:var(--mono);font-size:11px}.task-findings{margin-top:12px;border-top:1px solid var(--rule)}.task-findings p{margin:8px 0 16px;font:16px/1.55 var(--serif);max-width:70ch}.task-findings summary{cursor:pointer;font:14px/1.5 var(--serif);padding:10px 0}.task-findings pre{white-space:pre-wrap;font-size:14px}.tasks-workspace [hidden]{display:none!important}#tasksRoot h2{font:28px var(--serif);margin:12px 0}body>.flex>.flex-1{min-width:0}.task-live-label{font:12px var(--mono)}
@media(max-width:800px){.task-session{grid-template-columns:1fr}.task-people{flex-direction:row;max-width:100%}.task-person{min-width:130px}.task-person img{display:none}.task-narration{font-size:18px}.task-toolbar{flex-wrap:wrap}body>.flex{flex-direction:column}body>.flex>.sidebar-bg{width:100%!important}.task-form .task-bottom{align-items:end}}
.task-session>*,.task-session{min-width:0;max-width:100%}.task-film{max-width:100%}.task-narration,.task-findings{overflow-wrap:anywhere}@media(max-width:800px){.task-session{grid-template-columns:minmax(0,1fr)}}
.task-attributes{display:block;font:13px/1.4 var(--serif);margin:5px 0;color:var(--ink-soft)}.task-person{overflow-wrap:anywhere}.task-live-label{line-height:1.5}


/* Task workspace: setup → observe → review. */
.study-header .task-toolbar{margin:0;gap:12px;align-items:center}
.study-header .task-toolbar[hidden]{display:none!important}
.study-header .task-toolbar .btn{min-height:40px;padding:9px 14px}
.tasks-workspace{padding-top:20px}
.task-form{max-width:640px;margin:4px 0 24px;gap:16px}
.task-form input,.task-form textarea{font:17px/1.5 var(--serif);padding:10px 12px}
.task-form textarea{height:88px;min-height:88px;resize:vertical}
.task-form select{appearance:auto;font:14px var(--mono);min-height:44px;padding:8px 12px}
.task-form .task-bottom{align-items:center}
.task-submit{display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.task-submit .task-status:empty{display:none}
.task-submit .task-status{margin:0;font-size:11px}
.is-creating .task-form input,.is-creating .task-form textarea,.is-creating .task-form select{pointer-events:none;opacity:.65}
#tasksRoot h2{font:26px/1.3 var(--serif);max-width:65ch;margin:0 0 8px;overflow-wrap:anywhere}
#taskRunStatus{margin:0 0 16px}
.task-session{grid-template-columns:170px minmax(0,1fr);gap:24px}
.single-participant .task-session{grid-template-columns:minmax(0,1fr)}
.task-person{border:0;border-radius:4px;padding:12px;background:transparent}
.task-person[aria-pressed=true]{background:var(--accent-wash)}
.task-person small{margin-top:6px;text-transform:capitalize}
.task-person .task-attributes{font-size:12px}
.task-controls{align-items:center;margin:0 0 10px}
.task-live-label{font:12px/1.5 var(--mono);text-transform:capitalize}
.task-narration{font:17px/1.55 var(--serif);min-height:0;max-width:75ch;margin:0 0 16px;white-space:pre-wrap}
.task-screen{height:clamp(220px,48vh,520px);aspect-ratio:auto;min-width:0;color:var(--ink-soft);font:14px var(--mono)}
.task-screen img{object-fit:contain}
.task-screen+.task-controls{margin:8px 0 4px}.task-screen+.task-controls .task-status{margin:0;font-size:11px}
.task-film{gap:8px;padding:4px 0 12px}
.task-film button{flex-basis:64px}.task-film img{width:60px}
.task-history{margin-top:20px;padding-top:16px}
.task-error:empty{display:none}
.task-error{margin:0 0 16px}
.tasks-workspace button:focus-visible,.tasks-workspace summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.tasks-workspace input:focus-visible,.tasks-workspace textarea:focus-visible,.tasks-workspace select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.tasks-workspace input,.tasks-workspace textarea{caret-color:var(--accent)}
@media(max-width:800px){.task-session{grid-template-columns:minmax(0,1fr);gap:12px}.task-people{flex-direction:row;max-height:none}.task-person{min-width:140px;max-width:180px}.task-screen{height:36vh;min-height:210px}.task-narration{font-size:17px}#tasksRoot h2{font-size:23px}.task-form{margin-top:0;gap:18px}}

.brief-toggle{display:none!important}.task-form input::placeholder,.task-form textarea::placeholder{color:var(--ink-soft);opacity:1}
@media(max-width:800px){.brief-toggle{display:block!important;width:100%;min-height:40px}.sidebar-bg .study-brief-fields{display:none}.sidebar-bg.brief-expanded .study-brief-fields{display:block;margin-top:16px}}

.task-failure{padding:24px;border:1px solid var(--rule);border-radius:6px;max-width:70ch}.task-failure strong{font:22px var(--serif)}.task-failure p{margin:12px 0;line-height:1.5;overflow-wrap:anywhere}.task-failure details{margin-top:20px;color:var(--ink-soft)}

/* Keep setup controls together; secondary options stay below the form. */
.tasks-workspace>.task-history{max-width:640px}
.task-form .task-bottom{display:flex;align-items:flex-start;justify-content:flex-end;gap:12px}
.task-form #taskCount{-webkit-appearance:none;appearance:none;box-sizing:border-box;height:44px;min-height:44px;width:174px;padding:10px 32px 10px 12px;line-height:22px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16'%3E%3Cpath d='m4 6 4 4 4-4' fill='none' stroke='%23776c61' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}
.task-submit{padding:0;align-items:flex-end;min-width:0}
.task-submit #taskRun{box-sizing:border-box;min-height:44px;height:44px;padding:10px 16px;white-space:nowrap}
.task-submit .task-status{margin-top:2px;text-align:right}
.task-submit .task-status:empty{display:none}
.task-history{margin-top:16px;padding-top:12px;font:14px/1.5 var(--serif)}
@media(max-width:560px){.task-form .task-bottom{justify-content:space-between;gap:8px}.task-form #taskCount{width:156px;font-size:12px}.task-submit #taskRun{font-size:12px;padding-inline:12px}.task-submit .task-status{font-size:10px}}
.task-error-neutral{color:var(--ink-soft);font:12px/1.5 var(--mono);padding:0;margin-bottom:12px}

/* Step replay: synthetic caption, observed pointer, play control. */
.task-replay{display:flex;gap:8px}
.task-caption{max-width:75ch;margin:0 0 12px;font:15px/1.5 var(--serif);color:var(--ink);overflow-wrap:anywhere}
.task-caption-label{display:inline-block;margin-right:6px;padding:1px 6px;border:1px solid var(--rule);border-radius:3px;font:10px/1.6 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);vertical-align:1px}
.task-screen{position:relative}
.task-screen img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
@media(min-width:801px){.task-screen{height:auto;aspect-ratio:1.6;max-height:620px}}
.task-cursor{position:absolute;top:0;left:0;width:22px;height:22px;pointer-events:none;z-index:1;transition:transform .6s cubic-bezier(.3,.7,.2,1);will-change:transform}
.task-cursor.is-instant{transition:none}
.task-cursor::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 22'%3E%3Cpath d='M2 1.5v16l4.4-4.1 3 6.8 2.9-1.3-3-6.7h6.1z' fill='%23111' stroke='%23fff' stroke-width='1.5' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat;filter:drop-shadow(0 1px 2px rgba(0,0,0,.35))}
.task-cursor::after{content:"";position:absolute;left:-14px;top:-14px;width:28px;height:28px;border:2px solid var(--accent);border-radius:50%;opacity:0;transform:scale(.3)}
.task-cursor.is-pulsing::after{animation:task-pulse .55s ease-out .6s 1 both}
@keyframes task-pulse{0%{opacity:.9;transform:scale(.3)}100%{opacity:0;transform:scale(1.4)}}
@media(prefers-reduced-motion:reduce){.task-cursor{transition:none}.task-cursor.is-pulsing::after{animation:none;opacity:1;transform:scale(1)}}