*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input,textarea,select{font:inherit;color:inherit}button{min-height:46px;min-width:46px;padding:10px 14px;background:#fff;border:1px solid #768997;border-radius:10px;cursor:pointer;touch-action:manipulation}button:hover{background:#eaf1ef}button:disabled{opacity:.6;cursor:wait}.primary{background:#155c50;color:white;border-color:#155c50}.primary:hover{background:#114a41}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}header{display:flex;justify-content:space-between;gap:12px;padding:18px 24px;background:white;border-bottom:1px solid #c5cfd6}h1{font-size:27px;letter-spacing:-.6px;margin:2px 0}h2{font-size:23px}h3{font-size:18px}p{margin:8px 0}.brand{font-weight:750;color:#155c50;font-size:13px}header p,.legend{color:var(--muted)}.toolbar{display:flex;flex-wrap:wrap;gap:8px;padding:12px 20px;background:white}.legend,#breadcrumb{padding:8px 20px;margin:0;font-size:13px}#breadcrumb{background:#e4efeb;color:#244b41;overflow-wrap:anywhere}#viewport{height:calc(100dvh - 305px);min-height:380px;overflow:auto;position:relative;overscroll-behavior:contain;background:radial-gradient(#c2ced5 1px,transparent 1px) 0 0/20px 20px}#scene{position:relative;min-width:100%;min-height:100%}.node{position:absolute;width:320px}.card{height:410px;border:3px solid var(--planning);border-radius:14px;padding:15px;background:white;display:flex;flex-direction:column;gap:7px}.card[data-stage=Ownership]{border-color:var(--ownership)}.card[data-stage=Working]{border-color:var(--working)}.card[data-stage=Checking]{border-color:var(--checking)}.card[data-stage=Delivered]{border-color:var(--delivered)}.card.stopped{border-color:var(--error)}.card h3{margin:0;height:54px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.card p{margin:0}.clamp{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.card .open{margin-top:auto}.ref{font-size:12px;font-weight:700;color:var(--muted)}.badge{display:inline-block;width:fit-content;max-width:100%;font-size:12px;padding:3px 8px;background:#edf2f4;border-radius:6px;color:var(--ink)}.auth{color:var(--approval);background:#fff1d5}.bad{color:var(--error);background:#ffedef}.fold{width:100%;margin-top:7px}svg.connectors{position:absolute;inset:0;pointer-events:none;overflow:visible}.containment{fill:none;stroke:var(--line);stroke-width:3}.dependency{fill:none;stroke:var(--dependency);stroke-width:2;stroke-dasharray:6 5}#status{padding:10px 20px;margin:0;background:white;min-height:46px;overflow-wrap:anywhere}#status[data-state=failed]{color:var(--error);background:#ffedef}#locked{max-width:640px;margin:32px auto;padding:24px}dialog{width:min(720px,100%);max-height:92dvh;border:1px solid #73848e;border-radius:16px;padding:0;color:var(--ink);background:#fff}dialog::backdrop{background:#20334388}#detail{padding:20px;overflow-wrap:anywhere}.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}label{display:block;font-weight:650;margin:12px 0 4px}input:not([type=checkbox]),textarea,select{display:block;width:100%;padding:11px;border:1px solid #768997;border-radius:8px;background:white;min-height:46px}textarea{min-height:110px;resize:vertical}input[type=checkbox]{width:24px;height:24px;vertical-align:middle;margin-right:10px}label.check{min-height:46px;display:flex;align-items:center}details{padding:12px 0;border-top:1px solid #d4dde2}summary{min-height:46px;padding:10px 0;cursor:pointer;font-weight:700}.notice{background:#eaf2ef;padding:12px;border-left:3px solid #155c50}.muted{color:var(--muted);font-size:13px}.history{border-left:2px solid #aabbb7;padding:0 12px;max-height:280px;overflow:auto}.history p{white-space:pre-wrap;border-bottom:1px solid #e1e6e9;padding:8px 0}.empty{padding:40px 24px;max-width:500px}.draft-status{font-size:13px;color:var(--muted)}[hidden]{display:none!important}@media(max-width:600px){header{padding:12px 16px}h1{font-size:24px}.toolbar{padding:10px}.legend,#breadcrumb{padding:8px 12px}#viewport{height:calc(100dvh - 345px)}dialog{width:100%;max-width:100%;max-height:94dvh}#detail{padding:16px}#locked{margin:0}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Secondary C layout only; B's measured card boxes and placement stay intact. */
.view-controls{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.view-controls button[aria-pressed=true]{background:#e4efeb;border:2px solid #155c50;font-weight:700}
.branch-board{display:flex;align-items:flex-start;gap:20px;padding:20px;width:max-content}
.branch-lane{width:420px;flex:none;padding:14px;background:#edf2f4;border:1px solid #768997;border-radius:14px}
.branch-lane>h2{margin:0;font-size:20px}
.branch-roots,.branch-children{list-style:none;margin:0;padding:0}
.branch-family{margin:0;padding:0}
.branch-entry{width:320px;margin:18px 0 18px var(--indent)}
.branch-child{width:335px;border-left:3px solid var(--line);padding-left:12px}
.branch-view .card{height:auto;min-height:410px;width:320px}
.branch-view .card h3{height:auto;min-height:54px;display:block;overflow:visible;overflow-wrap:anywhere}
.branch-view .card .clamp{white-space:normal;overflow:visible;overflow-wrap:anywhere}
.branch-view .card .badge{overflow-wrap:anywhere}
.branch-entry .fold{width:320px}
.branch-prerequisites{width:320px;border:2px dashed var(--dependency);border-radius:8px;background:white;padding:10px;margin-top:8px;font-size:13px;overflow-wrap:anywhere}
.branch-prerequisites ul{padding-left:20px;margin:6px 0 0}

/* Projects Home uses the existing controls and touch sizes, no alternate tracker. */
#projectsHome{padding:20px;max-width:760px;margin:auto}
#projectList>p{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px;background:white;border-bottom:1px solid #c5cfd6}
#projectList span,#projectName{overflow-wrap:anywhere;min-width:0}
#projectList button{flex:none}
#addProject{display:flex;flex-direction:column;gap:10px;margin-top:24px}
#projectTitle{min-height:46px;width:100%;padding:10px;border:1px solid #768997;border-radius:10px}
#home{align-self:flex-start;flex:none;max-width:130px}

/* WV03.18: task sections and progressive disclosure; board geometry unchanged. */
.task-section{padding:18px 0;border-bottom:1px solid #d4dde2}
.task-section h3{margin:0 0 12px}.task-copy{white-space:pre-wrap}
.task-state{font-weight:650;color:#244b41}.next-step{padding:12px;background:#f3f5f6;border-radius:8px}
.checklist-row{padding:8px 0;border-bottom:1px solid #e1e6e9}
.checklist-row .check{margin:0;gap:8px;font-weight:500;min-height:48px}
.checklist-row input[type=checkbox]{flex:none}.checklist-row [data-remove]{margin-top:8px}
.activity{padding-left:24px;max-height:260px;overflow:auto}.activity li{padding:8px 0}
.activity small{display:block;color:var(--muted)}
#detailStatus{position:sticky;top:0;z-index:2;padding:12px;background:#eaf2ef;border:1px solid #73848e;border-radius:8px}
#detailStatus[data-state=failed]{color:var(--error);background:#ffedef}
#detail pre{max-height:280px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;font-size:12px}
#detail fieldset{min-width:0;margin:16px 0;padding:12px;border:1px solid #c5cfd6;border-radius:8px}
#detail legend{font-weight:650}#detail .actions button{flex:1 1 auto}
@media(max-width:600px){#detail .actions{display:grid;grid-template-columns:1fr}#detail input,#detail textarea,#detail select{font-size:16px}}

/* Canvas-only zoom: the spacer is the explicit overflow-isolation boundary. */
#viewport{touch-action:pan-x pan-y;height:calc(100dvh - 375px)}
#zoomSpace{position:relative;overflow:hidden;margin:0;padding:0;border:0}
#scene{position:absolute;left:0;top:0;transform-origin:0 0;min-width:0;min-height:0}
.zoom-controls{display:flex;flex-wrap:wrap;align-items:center;gap:6px;padding:8px 20px;background:#fff;border-bottom:1px solid #c5cfd6}
.zoom-controls output{min-width:52px;text-align:center;font-weight:700;font-variant-numeric:tabular-nums}
@media(max-width:600px){#viewport{height:calc(100dvh - 415px)}.zoom-controls{padding:8px 10px}.zoom-controls .muted{flex-basis:100%}}