/* DiOS Alpha — reversible Room ↔ Workspace collaboration shell */
.dios-open-workspace{margin-left:auto;white-space:nowrap}
.workbench.dios-collab-open{grid-template-columns:220px minmax(360px,.85fr) minmax(430px,1.15fr);max-height:calc(100dvh - 255px)}
.workbench.dios-collab-open .conversation{border-right:1px solid var(--border)}
.dios-workspace-surface{background:#fff;min-width:0;display:flex;flex-direction:column;color:var(--ink)}
.dios-workspace-surface.docked{min-height:520px;max-height:calc(100dvh - 255px);overflow:hidden}
.dios-workspace-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:19px 22px;border-bottom:1px solid var(--border);background:#fff}
.dios-workspace-header h2{margin:2px 0 2px;font-size:16px;letter-spacing:-.25px}
.dios-workspace-header p{margin:0;color:var(--muted);font-size:10px}
.dios-preview-kicker{font-size:9px;line-height:1.2;text-transform:uppercase;letter-spacing:1.45px;color:var(--accent);font-weight:750;margin-bottom:5px}
.dios-workspace-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;justify-content:flex-end}
.dios-workspace-actions .button{min-height:34px;padding:6px 11px;font-size:10px}
.dios-workspace-actions .text-button{font-size:10px}
.dios-workspace-body{display:grid;grid-template-columns:160px minmax(0,1fr);flex:1;min-height:0}
.dios-tool-launcher{padding:14px 10px;background:#f9fbfc;border-right:1px solid var(--border);display:flex;flex-direction:column;gap:4px}
.dios-tool-button{display:flex;align-items:center;gap:9px;text-align:left;border:0;background:transparent;border-radius:8px;padding:10px;color:#63727f;min-width:0}
.dios-tool-button:hover,.dios-tool-button.active{background:#e7f2ee;color:var(--accent)}
.dios-tool-button strong{display:block;font-size:11px;font-weight:650;color:inherit}
.dios-tool-button small{display:block;font-size:8px;color:#8b9aa6;line-height:1.35;margin-top:1px}
.dios-tool-glyph{width:24px;height:24px;border:1px solid #cdd7de;border-radius:7px;display:grid;place-items:center;background:#fff;color:var(--accent);font-size:12px;flex:0 0 auto}
.dios-workspace-canvas{min-height:0;overflow:auto;display:grid;place-items:center;padding:28px;background:linear-gradient(180deg,#fff,#fbfcfd)}
.dios-workspace-empty,.dios-tool-preview{max-width:470px;text-align:center}
.dios-workspace-empty strong,.dios-tool-preview h3{display:block;font-size:19px;margin:0 0 8px;color:var(--ink)}
.dios-workspace-empty p,.dios-tool-preview p{font-size:11px;line-height:1.7;color:var(--muted);margin:0 0 18px}
.dios-context-chip{display:inline-flex;align-items:center;padding:5px 9px;border-radius:999px;background:#edf4f2;color:#28675f;font-size:9px;font-weight:650;margin:0 5px 14px}
.dios-standalone-shell{min-height:calc(100dvh - 150px);display:flex;flex-direction:column;gap:12px}
.dios-standalone-breadcrumb{display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--muted);font-size:10px}
.dios-workspace-surface.standalone{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;min-height:calc(100dvh - 200px);box-shadow:0 8px 30px #15202b0a}
.dios-workspace-surface.standalone .dios-workspace-body{grid-template-columns:190px minmax(0,1fr)}
.dios-workspace-surface.standalone .dios-workspace-canvas{min-height:520px}
.dios-collab-dialog{width:min(92vw,610px);border:1px solid var(--border);border-radius:16px;padding:0;box-shadow:0 24px 80px #10151c33;color:var(--ink)}
.dios-collab-dialog::backdrop{background:#10151c66;backdrop-filter:blur(2px)}
.dios-collab-dialog form{padding:24px;margin:0}
.dios-collab-dialog h2{margin:0;font-size:21px}
.dios-dialog-loading{padding:28px 0;color:var(--muted);font-size:11px}
.dios-room-options{display:grid;gap:9px;margin:18px 0}
.dios-room-option{margin:0;display:flex;align-items:flex-start;gap:12px;border:1px solid var(--border);border-radius:10px;padding:12px;cursor:pointer;background:#fff}
.dios-room-option:has(input:checked){border-color:#178c7f;box-shadow:0 0 0 1px #178c7f;background:#f3faf8}
.dios-room-option input{width:auto;min-height:0;margin:3px 0 0}
.dios-room-option strong{display:block;font-size:11px}
.dios-room-option small{display:block;color:var(--muted);font-size:9px;margin-top:2px}
.dios-agent-preview{border-top:1px solid var(--border);padding-top:16px;margin-top:16px}
.dios-agent-preview>strong{display:block;font-size:11px;margin-bottom:8px}
.dios-agent-preview small{display:block;font-size:9px;line-height:1.55;color:var(--muted);margin-top:4px}
.dios-collab-dialog .form-actions{margin-top:22px}

@media (max-width:1280px){
  .workbench.dios-collab-open{grid-template-columns:190px minmax(330px,.85fr) minmax(380px,1.15fr)}
  .dios-tool-button small{display:none}
  .dios-workspace-body{grid-template-columns:132px minmax(0,1fr)}
}

@media (max-width:1050px){
  .workbench.dios-collab-open{grid-template-columns:1fr;max-height:none}
  .workbench.dios-collab-open>.room-sidebar,.workbench.dios-collab-open>.conversation{display:none}
  .dios-workspace-surface.docked{max-height:none;border:1px solid var(--border);border-radius:var(--radius)}
  .dios-workspace-body{grid-template-columns:150px minmax(0,1fr)}
}

@media (max-width:700px){
  .dios-workspace-header{flex-direction:column}
  .dios-workspace-actions{justify-content:flex-start}
  .dios-workspace-body,.dios-workspace-surface.standalone .dios-workspace-body{grid-template-columns:1fr}
  .dios-tool-launcher{border-right:0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:8px}
  .dios-tool-button{justify-content:center;padding:8px}
  .dios-tool-button span:last-child{display:none}
  .dios-workspace-canvas{padding:24px 16px;min-height:420px}
}