:root{--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #0f172a;--primary-accent: #22d3ee;font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--text);background:#f8fafc}body{margin:0}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-panel{max-width:420px;width:100%;background:#fff;padding:32px;border:1px solid var(--border);border-radius:16px;box-shadow:0 14px 40px #0f172a14}.login-panel h1{margin:0 0 8px}.login-form{margin-top:16px;display:flex;flex-direction:column;gap:12px}.app-shell{max-width:1200px;margin:0 auto;padding:24px}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 0}.session-actions{display:flex;gap:12px;align-items:center}.brand{font-size:20px;font-weight:700}.tabs{display:flex;gap:8px;margin:16px 0}.tab{padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:#fff;cursor:pointer}.tab.active{border-color:var(--primary);color:var(--primary);font-weight:600}.panel{border:1px solid var(--border);border-radius:12px;background:#fff;padding:16px;box-shadow:0 10px 30px #0f172a0d}.context-bar{display:flex;justify-content:flex-end;margin-bottom:12px}.tenant-selector,.select-row{display:flex;gap:8px;align-items:center}select,input,textarea,button,.tab{font:inherit}select,input,textarea{width:100%;border:1px solid var(--border);border-radius:8px;padding:10px 12px;box-sizing:border-box}textarea{resize:vertical}button.primary{background:var(--primary);color:#fff;border:1px solid var(--primary);padding:10px 16px;border-radius:8px;cursor:pointer}button.primary:disabled{opacity:.6;cursor:not-allowed}button.primary.full{width:100%}button.ghost{background:#fff;border:1px solid var(--border);color:var(--text);padding:8px 14px;border-radius:8px;cursor:pointer}.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.muted{color:var(--muted)}.small{font-size:13px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}.grid.two-cols{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}section{border:1px solid var(--border);border-radius:8px;padding:12px;background:#f8fafc}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.chip{background:#e0f2fe;color:#0ea5e9;border-radius:999px;padding:4px 10px;font-size:12px}.status{margin-top:12px;color:#10b981}.error-text{color:#ef4444}.email-grid{display:grid;grid-template-columns:280px 1fr;gap:16px}.thread-list{border:1px solid var(--border);border-radius:8px;background:#f8fafc;padding:8px;display:flex;flex-direction:column}.list-header{display:flex;align-items:center;justify-content:space-between;padding:8px}.list-items{display:flex;flex-direction:column;gap:8px}.thread{border:1px solid var(--border);background:#fff;border-radius:8px;padding:10px;text-align:left;cursor:pointer}.thread.active{border-color:var(--primary);box-shadow:0 8px 16px #0f172a14}.thread-title{font-weight:600}.thread-view__header{margin-bottom:12px}.messages{display:flex;flex-direction:column;gap:12px;margin-bottom:12px}.message{border:1px solid var(--border);border-radius:8px;padding:10px;background:#f8fafc}.message-meta{display:flex;justify-content:space-between;margin-bottom:6px}.compose-box{border-top:1px solid var(--border);padding-top:12px;margin-top:12px}.attachments{padding-left:18px}.align-end{display:flex;align-items:flex-end}.profile-panel .meta-list,.user-card .meta-list,.membership-list .meta-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.meta-list code{background:#0f172a10;padding:4px 8px;border-radius:6px;display:inline-block}.user-list{margin-top:12px}.user-card{border:1px solid var(--border);border-radius:12px;padding:12px;background:#fff;box-shadow:0 8px 20px #0f172a0a}.user-card__header{display:flex;justify-content:space-between;align-items:center}.user-card__meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:12px 0}.membership-chips{display:flex;flex-wrap:wrap;gap:8px}.chip.subtle{background:#f1f5f9;color:var(--text)}@media (max-width: 960px){.email-grid{grid-template-columns:1fr}}