/* Pearto Brain: persistent goal-first workspace layered over the existing Pearto shell. */
.brain-chat{position:relative;max-width:980px;container-type:inline-size;overflow:visible}
.brain-topline small{margin-left:7px;color:var(--text-muted,#536a74);font-weight:600}
.brain-capability-row{display:flex;align-items:center;justify-content:center;gap:9px;flex-wrap:wrap;margin:0 -20px;padding:10px 20px;border-bottom:1px solid #e6edf6;background:linear-gradient(90deg,#f7fbff,#fbf8ff,#f5fcf9);color:#526884;font-size:11px;font-weight:800;letter-spacing:.02em}
.brain-capability-row i{color:#8b99ad;font-style:normal}
.brain-messages{min-height:180px;max-height:min(58vh,620px)}
.brain-compose{position:relative;isolation:isolate}
.brain-compose[data-dragging="true"]{border-color:#5c4ab4;box-shadow:0 0 0 4px rgba(92,74,180,.16)}
.brain-drop-hint{position:absolute;inset:7px;z-index:8;display:none;place-items:center;align-content:center;gap:4px;border:2px dashed #6655c7;border-radius:12px;background:rgba(248,247,255,.97);color:#3d347a;text-align:center;pointer-events:none}
.brain-drop-hint strong{font-size:18px}.brain-drop-hint span{font-size:12px;color:#626b83}
.brain-compose[data-dragging="true"] .brain-drop-hint{display:grid}
.brain-file-list{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 2px}
.brain-file-list[hidden]{display:none}
.brain-file-chip{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;max-width:100%;min-height:40px;padding:6px 8px;border:1px solid #d8e4f0;border-radius:12px;background:#f7fbff;color:#263c58}
.brain-file-chip>span:first-child{font-size:17px}.brain-file-chip b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.brain-file-chip small{display:block;color:#647991;font-size:10px}.brain-file-remove{display:grid;place-items:center;width:30px;height:30px;border:0;border-radius:9px;background:transparent;color:#566a80;cursor:pointer}.brain-file-remove:hover{background:#e9f1f8;color:#8c263d}
.brain-goal-dock{display:flex;align-items:flex-start;gap:10px;margin:12px -4px 2px;min-width:0}.brain-goal-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin;padding:0 4px 7px;min-width:0}.brain-goal{flex:0 0 auto;min-height:38px;padding:8px 11px;border:1px solid #dde6f1;border-radius:999px;background:#fff;color:#405a78;font:700 11px/1.2 inherit;cursor:pointer;white-space:nowrap}.brain-goal:hover{border-color:#aebedf;background:#f6f8ff;color:#433a96}.brain-tool-panel{margin-top:12px}
.brain-trust-row{margin-top:10px}

/* Structured response components */
.brain-block{margin-top:12px}.brain-clarification{padding:14px;border:1px solid #dedbf2;border-radius:14px;background:#faf9ff}.brain-choice-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.brain-choice{min-height:44px;padding:8px 12px;border:1px solid #cfc9ed;border-radius:10px;background:#fff;color:#40377f;font-weight:750;cursor:pointer}.brain-choice:hover{background:#f0edff}
.brain-workflow-card{overflow:hidden;border:1px solid #dbe5ef;border-radius:16px;background:#fff;box-shadow:0 8px 24px rgba(23,52,88,.06)}
.brain-workflow-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:15px 16px;border-bottom:1px solid #e8eef5;background:linear-gradient(135deg,#f9fbff,#f7fbf9)}.brain-workflow-head strong{display:block;color:#173653;font-size:14px}.brain-workflow-head p{margin:4px 0 0;color:#63758a;font-size:12px;line-height:1.5}.brain-job-state{flex:none;padding:5px 9px;border-radius:999px;background:#edf3f8;color:#48627d;font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.04em}.brain-job-state[data-state="completed"]{background:#e3f6ec;color:#176b4c}.brain-job-state[data-state="failed"],.brain-job-state[data-state="partially_completed"]{background:#fff0f0;color:#9d3546}.brain-job-state[data-state="awaiting_confirmation"]{background:#fff3d8;color:#79540b}.brain-job-state[data-state="running"]{background:#e9f1ff;color:#2c5fa7}
.brain-step-list{display:grid;margin:0;padding:0;list-style:none}.brain-step{display:grid;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;padding:11px 15px;border-bottom:1px solid #edf2f6}.brain-step:last-child{border-bottom:0}.brain-step-marker{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#eef3f7;color:#58708a;font-size:11px;font-weight:900}.brain-step[data-state="completed"] .brain-step-marker{background:#ddf5e8;color:#14704d}.brain-step[data-state="running"] .brain-step-marker{background:#e4edff;color:#325da4;animation:brainPulse 1.1s ease-in-out infinite}.brain-step[data-state="failed"] .brain-step-marker{background:#ffe5e8;color:#a12d42}.brain-step[data-state="skipped"]{opacity:.6}.brain-step-copy strong{display:block;color:#233d59;font-size:12px}.brain-step-copy small{display:block;margin-top:2px;color:#6b7e92;font-size:10px}.brain-step-status{font-size:10px;color:#61758b;text-transform:capitalize}.brain-step-error{grid-column:2/-1;color:#9a3042;font-size:11px}
.brain-artifact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:9px;margin-top:11px}.brain-artifact{display:grid;grid-template-columns:42px minmax(0,1fr);gap:10px;align-items:center;padding:11px;border:1px solid #dbe7ef;border-radius:13px;background:#fafdff;color:#243c56;text-decoration:none}.brain-artifact:hover{border-color:#9cb9d8;background:#f4f9ff}.brain-artifact-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#e7f1fa;font-size:20px}.brain-artifact strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.brain-artifact small{display:block;margin-top:3px;color:#637890;font-size:10px}.brain-artifact-download{display:block;margin-top:4px;color:#3d55a5;font-size:10px;font-weight:800}
.brain-inline-result{margin-top:10px;padding:13px;border:1px solid #dce8f2;border-radius:12px;background:#f8fbfe}.brain-inline-result dl{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin:0}.brain-inline-result div{padding:8px;border-radius:9px;background:#fff}.brain-inline-result dt{font-size:10px;color:#63778e}.brain-inline-result dd{margin:3px 0 0;color:#213b56;font-weight:800;overflow-wrap:anywhere}
.brain-response-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.brain-response-action{min-height:44px;padding:8px 12px;border:1px solid #ccd9e7;border-radius:10px;background:#fff;color:#315271;font-weight:800;font-size:11px;cursor:pointer;text-decoration:none}.brain-response-action[data-kind="primary"]{border-color:#334baf;background:#4d55c7;color:#fff}.brain-response-action:disabled{opacity:.55;cursor:wait}

/* Full workspace */
.brain-workspace-page{background:#f3f6fb;color:#152d49}.brain-workspace-shell{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:calc(100vh - 70px);border-top:1px solid #e4eaf2}.brain-sidebar{position:sticky;top:0;height:calc(100vh - 70px);overflow:auto;padding:18px 14px;border-right:1px solid #dde5ee;background:#f8fafc}.brain-sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:18px}.brain-sidebar-head strong{font-size:14px;color:#1b3856}.brain-new-task{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:7px 10px;border:1px solid #cedae8;border-radius:10px;background:#fff;color:#31516f;font-size:11px;font-weight:800;text-decoration:none}.brain-history-label{margin:18px 7px 7px;color:#7a8999;font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}.brain-history{display:grid;gap:3px}.brain-history-item{display:flex;align-items:center;gap:7px;min-height:44px;padding:8px 9px;border-radius:9px;color:#425a73;text-decoration:none;font-size:12px}.brain-history-item:hover,.brain-history-item[aria-current="page"]{background:#eaf0f7;color:#173b63}.brain-history-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brain-sidebar-note{margin:22px 8px 0;color:#75869a;font-size:10px;line-height:1.55}.brain-workspace-main{min-width:0;padding:30px clamp(14px,3vw,42px) 70px}.brain-workspace-main>.brain-workspace-heading{max-width:980px;margin:0 auto 16px}.brain-workspace-heading h1{margin:6px 0;font-size:clamp(26px,4vw,42px);letter-spacing:-.035em}.brain-workspace-heading p{margin:0;color:#65788d}.brain-workspace-main .pearto-chat{max-width:980px}
.brain-mobile-history{display:none}

@keyframes brainPulse{50%{transform:scale(.88);opacity:.68}}
@media (prefers-reduced-motion:reduce){.brain-step[data-state="running"] .brain-step-marker{animation:none}}
@media (forced-colors:active){.brain-workflow-card,.brain-artifact,.brain-file-chip,.brain-choice,.brain-goal{border-color:CanvasText}.brain-response-action[data-kind="primary"]{forced-color-adjust:auto}}
@media(max-width:820px){.brain-workspace-shell{grid-template-columns:1fr}.brain-sidebar{display:none}.brain-mobile-history{display:inline-flex}.brain-workspace-main{padding-top:20px}.brain-capability-row{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}.brain-goal-dock{display:block}.chat-tool-dock-label{display:block;margin:0 4px 7px}.brain-workflow-head{display:grid}.brain-topline small{display:none}}
@media(max-width:560px){.brain-chat{padding-inline:10px}.brain-file-chip{width:100%}.brain-step{grid-template-columns:26px minmax(0,1fr)}.brain-step-status{grid-column:2}.brain-artifact-grid{grid-template-columns:1fr}.brain-topline{align-items:flex-start}.brain-topline>span{min-width:0}.brain-open-workspace{display:none}}


/* Full-screen Ask Pearto workspace ---------------------------------------- */
.brain-workspace-full > .site-nav,
.brain-workspace-full > .footer { display:none !important; }
.brain-workspace-full #main { min-height:100vh; padding:0; }
.brain-workspace-full { background:#eef3f8; overflow-x:hidden; }

.brain-workspace-app {
  min-height:100vh;
  display:grid;
  grid-template-rows:64px minmax(0,1fr);
  background:
    radial-gradient(circle at 78% 0%, rgba(49,167,142,.07), transparent 28rem),
    radial-gradient(circle at 24% 0%, rgba(58,93,178,.06), transparent 24rem),
    #f3f6fa;
}
.brain-appbar {
  position:sticky;
  top:0;
  z-index:50;
  min-width:0;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:18px;
  min-height:64px;
  padding:10px 18px;
  border-bottom:1px solid #dce4ed;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
}
.brain-app-brand {
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:44px;
  color:#163553;
  text-decoration:none;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.035em;
}
.brain-app-brand img { width:31px; height:31px; }
.brain-app-brand strong { color:#16806a; }
.brain-app-context { min-width:0; display:flex; align-items:baseline; gap:10px; }
.brain-app-context strong { color:#163553; font-size:14px; }
.brain-app-context span { color:#75869a; font-size:11px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.brain-app-actions { display:flex; align-items:center; gap:6px; }
.brain-app-actions a {
  min-height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:0 12px;
  border-radius:11px;
  color:#49617a;
  text-decoration:none;
  font-size:12px;
  font-weight:800;
}
.brain-app-actions a:hover { background:#f1f5f9; color:#173d62; }
.brain-app-actions .brain-app-new {
  border:1px solid #badfd4;
  background:#eaf7f2;
  color:#155f4d;
}
.brain-app-actions .brain-app-new:hover { background:#def2ea; color:#104f40; }

.brain-workspace-full .brain-workspace-shell {
  min-height:calc(100vh - 64px);
  grid-template-columns:284px minmax(0,1fr);
  border-top:0;
}
.brain-workspace-full .brain-sidebar {
  top:64px;
  height:calc(100vh - 64px);
  padding:18px 14px;
  background:rgba(248,250,252,.96);
}
.brain-sidebar-kicker {
  display:block;
  margin-bottom:2px;
  color:#8695a7;
  font-size:9px;
  font-weight:900;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.brain-workspace-full .brain-sidebar-head strong { font-size:15px; }
.brain-workspace-full .brain-new-task {
  width:44px;
  min-height:44px;
  padding:0;
  border-radius:11px;
  font-size:18px;
}
.brain-sidebar-empty {
  display:block;
  margin:4px 7px;
  padding:12px;
  border:1px dashed #d5dfe9;
  border-radius:12px;
  color:#718398;
  font-size:11px;
  line-height:1.55;
}
.brain-sidebar-guide {
  margin-top:auto;
  padding:15px;
  border:1px solid #cfe7df;
  border-radius:15px;
  background:linear-gradient(145deg,#fff,#eef8f4);
}
.brain-sidebar-guide strong { display:block; color:#174a3e; font-size:12px; }
.brain-sidebar-guide p { margin:5px 0 0; color:#637b73; font-size:10px; line-height:1.55; }
.brain-workspace-full .brain-sidebar { display:flex; flex-direction:column; }
.brain-workspace-full .brain-sidebar-note { margin-top:12px; }

.brain-workspace-full .brain-workspace-main {
  min-width:0;
  padding:22px clamp(18px,2.8vw,46px) 28px;
  overflow:hidden;
}
.brain-workspace-full .brain-workspace-heading {
  width:100%;
  max-width:none;
  margin:0 0 14px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
}
.brain-workspace-full .brain-workspace-heading > div:first-child { min-width:0; }
.brain-workspace-full .brain-workspace-heading h1 {
  margin:4px 0 4px;
  max-width:100%;
  color:#173552;
  font-size:clamp(24px,3vw,38px);
}
.brain-workspace-full .brain-workspace-heading p {
  max-width:760px;
  font-size:13px;
  line-height:1.55;
}
.brain-workspace-proof { display:flex; align-items:center; justify-content:flex-end; gap:7px; flex-wrap:wrap; }
.brain-workspace-proof span {
  min-height:30px;
  display:inline-flex;
  align-items:center;
  padding:5px 9px;
  border:1px solid #dce5ee;
  border-radius:999px;
  background:#fff;
  color:#62768c;
  font-size:10px;
  font-weight:800;
}
.brain-workspace-proof span::before {
  content:"";
  width:6px;
  height:6px;
  margin-right:6px;
  border-radius:50%;
  background:#21836c;
}
.brain-workspace-canvas {
  width:100%;
  min-width:0;
  min-height:calc(100vh - 154px);
  padding:0;
}
.brain-workspace-full .brain-workspace-main .pearto-chat,
.brain-workspace-full .brain-chat {
  width:100%;
  max-width:none;
}
.brain-workspace-full .pearto-chat {
  min-height:calc(100vh - 170px);
  border-radius:20px;
  border:1px solid #dbe4ee;
  background:#fff;
  box-shadow:0 18px 50px rgba(31,57,85,.07);
}
.brain-workspace-full .brain-messages {
  min-height:220px;
  max-height:clamp(220px, calc(100vh - 430px), 660px);
}
.brain-workspace-full .chat-compose {
  position:sticky;
  bottom:0;
  z-index:10;
}

@media(max-width:980px){
  .brain-app-context span{display:none}
  .brain-workspace-full .brain-workspace-shell{grid-template-columns:220px minmax(0,1fr)}
  .brain-workspace-proof{display:none}
}
@media(max-width:820px){
  .brain-workspace-app{grid-template-rows:auto minmax(0,1fr)}
  .brain-appbar{grid-template-columns:auto 1fr;gap:10px;padding:8px 12px}
  .brain-app-context{display:none}
  .brain-app-actions{justify-content:flex-end}
  .brain-app-actions a:not(.brain-app-new){display:none}
  .brain-workspace-full .brain-workspace-shell{grid-template-columns:1fr}
  .brain-workspace-full .brain-sidebar{display:none}
  .brain-workspace-full .brain-workspace-main{padding:14px 12px 18px}
  .brain-workspace-full .brain-workspace-heading{display:block;margin-bottom:10px}
  .brain-workspace-full .brain-workspace-heading p{font-size:12px}
  .brain-workspace-full .pearto-chat{min-height:calc(100vh - 150px);border-radius:16px}
  .brain-workspace-full .brain-messages{max-height:clamp(220px, calc(100vh - 390px), 620px)}
}
@media(max-width:560px){
  .brain-appbar{min-height:58px}
  .brain-app-brand{font-size:18px}
  .brain-app-brand img{width:28px;height:28px}
  .brain-app-actions .brain-app-new{padding-inline:10px}
  .brain-workspace-full .brain-workspace-heading h1{font-size:24px}
  .brain-workspace-full .brain-workspace-heading p{display:none}
  .brain-workspace-full .brain-workspace-main{padding:10px 8px 12px}
  .brain-workspace-full .brain-chat{padding-inline:0}
}