:root{--bg:#121417;--surface:#1a1d21;--sunken:#16181b;--raised:#22262b;--border:#2e333a;--border-soft:#262a30;--border-strong:#3a4048;--text:#eceae6;--muted:#a3a9b1;--faint:#858c95;--dim:#5c636c;--amber:#f0a44b;--amber-bg:#2c2416;--amber-border:#6b4e22;--amber-text:#f0c48a;--info:#7fb2ff;--info-bg:#263142;--info-border:#3d5577;--info-text:#cfe0ff;--nudge:#c9a6ff;--nudge-bg:#2a2433;--nudge-border:#4a3d5e;--danger:#e07a5f;--danger-text:#f2a58f;--add-bg:#1e3327;--add:#7fdca0;--del-bg:#3a2321;--del:#ff9a8a;--sans:"IBM Plex Sans", "Segoe UI", system-ui, sans-serif;--mono:"IBM Plex Mono", ui-monospace, monospace}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:var(--sans);margin:0;font-size:14px;line-height:1.45}h1{letter-spacing:-.01em;margin:0;font-size:24px;font-weight:600}h2{margin:0;font-size:15px;font-weight:600}h3{margin:0;font-size:15px;font-weight:500}p{margin:0}a{color:var(--info)}a:hover{color:#a9cbff}:focus-visible{outline:2px solid var(--amber);outline-offset:2px}.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:13px}.mono{font-family:var(--mono)}.amber-text{color:#e8c48f}.info-text{color:#a9cbff}.warn-text{color:var(--danger-text)}.push{margin-left:auto}.sr-only{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.label,.column-title{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0;font-size:12px;font-weight:500}.column-title{font-size:13px}button,input,select,textarea{font:inherit;color:inherit}input,select,textarea{border:1px solid var(--border-strong);background:var(--surface);border-radius:8px;width:100%;padding:10px 12px}textarea{resize:vertical}input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--amber)}.btn{border:1px solid var(--border-strong);background:var(--raised);min-height:40px;color:var(--text);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:0 14px;text-decoration:none;display:inline-flex}.btn:hover{border-color:var(--faint);color:var(--text)}.btn:disabled{color:var(--faint);cursor:not-allowed;background:0 0}.btn-large{min-height:44px}.btn-primary{border-color:var(--amber);background:var(--amber);color:var(--bg);font-weight:600}.btn-primary:hover{color:var(--bg);background:#f5b56a}.btn-primary:disabled{border-color:var(--border-strong)}.btn-info{border-color:var(--info);background:var(--info-bg);color:var(--info-text);font-weight:500}.btn-quiet{color:var(--muted);background:0 0}.btn-danger{border-color:var(--danger);color:var(--danger-text);background:0 0;font-weight:500}.btn-danger-solid{border-color:var(--danger);background:var(--danger);color:var(--bg);font-weight:600}.chip{border:1px solid var(--border-strong);background:var(--raised);cursor:pointer;border-radius:999px;min-height:36px;padding:0 14px}.chip[aria-pressed=true],.chip[aria-selected=true]{border-color:var(--amber);background:var(--amber-bg);color:var(--amber-text)}.tag{background:var(--raised);border:1px solid var(--border-strong);color:var(--muted);border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:13px;display:inline-flex}.avatar{color:var(--bg);border-radius:50%;flex:none;justify-content:center;align-items:center;font-weight:600;display:inline-flex}.avatar-stack{align-items:center;display:flex}.avatar-stack .avatar{border:2px solid var(--surface)}.avatar-stack .avatar+.avatar{margin-left:-8px}.dot{background:var(--amber);border-radius:50%;width:8px;height:8px}.redacted{background:var(--border);color:var(--muted);border-radius:4px;padding:0 6px}.topbar{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:16px;padding:12px 24px;display:flex}.crumbs{align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.crumbs a{text-decoration:none}.crumb{color:var(--text)}.room-switcher{background:var(--raised);width:auto;max-width:260px;padding:6px 10px;font-weight:600}.group-title{text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:12px 0 0;font-size:13px;font-weight:500}.steps-list{flex-direction:column;gap:16px;margin:0;padding:0;list-style:none;display:flex}.step-number{background:var(--amber);width:28px;height:28px;color:var(--bg);border-radius:50%;flex:none;justify-content:center;align-items:center;font-weight:600;display:inline-flex}.step-head{align-items:center;gap:10px;display:flex}.crumb-muted{color:var(--muted);font-weight:400}.crumb-sep{color:var(--dim)}.topbar-right{flex-wrap:wrap;align-items:center;gap:10px;margin-left:auto;display:flex}.topbar .btn{min-height:36px;padding:0 12px}.pill{background:var(--raised);border:1px solid var(--border-strong);min-height:36px;color:var(--text);border-radius:8px;align-items:center;gap:8px;max-width:320px;padding:0 12px;text-decoration:none;display:inline-flex}.pill .dot{flex:none}.pill-text{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.page{flex-direction:column;gap:24px;max-width:1440px;margin:0 auto;padding:24px;display:flex}.page-narrow{max-width:760px}.centre{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;min-height:80vh;padding:24px;display:flex}.stack{flex-direction:column;gap:12px;display:flex}.stack-tight{flex-direction:column;gap:10px;display:flex}.toolbar{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.toolbar h1{margin-right:auto}.actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.notice{background:var(--info-bg);border:1px solid var(--info-border);color:var(--info-text);border-radius:8px;padding:10px 12px}.panel{background:var(--surface);border:1px solid 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0;border:0;border-radius:50%}.mini-card{background:var(--surface);border:1px solid var(--border);overflow-wrap:anywhere;border-radius:10px;flex-direction:column;gap:6px;padding:12px;display:flex}.mini-card .btn{min-height:34px;padding:0 12px}.stop-zone{border-top:1px solid var(--border);flex-direction:column;gap:10px;padding-top:16px;display:flex}.stop-buttons{gap:8px;display:flex}.stop-buttons .btn{flex:1 1 0}@media (width<=640px){.topbar,.page,.session-main{padding-left:16px;padding-right:16px}.sidenav,.steer{border:0;border-bottom:1px solid var(--border)}.thread,.diff-gap{padding-left:18px}}@media (prefers-reduced-motion:no-preference){.bar>span{transition:width .3s}}