.platform-dot{--platform-dot:var(--color-slate-400);background:var(--platform-dot);width:8px;height:8px;box-shadow:0 0 0 3px color-mix(in srgb, var(--platform-dot) 18%, transparent);border-radius:50%;flex:none}.platform-dot[data-platform=cowork]{--platform-dot:var(--color-teal-500)}.platform-dot[data-platform=copilot]{--platform-dot:var(--color-violet-500)}.platform-dot[data-platform=autopilot]{--platform-dot:var(--color-amber-600)}.platform-dot[data-platform=code]{--platform-dot:var(--color-indigo-400)}.platform-switcher-trigger{align-items:center;gap:var(--space-2);height:36px;padding:0 var(--space-3);border:var(--border-width) solid var(--color-border);border-radius:var(--radius-pill);background:var(--color-surface);color:var(--color-text-primary);font:inherit;font-weight:var(--font-weight-semibold);cursor:pointer;transition:background-color var(--transition-base), border-color var(--transition-base);display:inline-flex}.platform-switcher-trigger:hover,.platform-switcher-trigger.is-open{border-color:var(--color-slate-300);background:var(--color-bg-subtle)}.platform-switcher-trigger:focus-visible{outline:3px solid var(--color-accent-soft);outline-offset:1px}.platform-switcher-chevron{color:var(--color-slate-500);transition:transform .2s}.platform-switcher-trigger.is-open .platform-switcher-chevron{transform:rotate(180deg)}.platform-switcher-menu.ant-dropdown-menu{min-width:232px;padding:var(--space-2);border-radius:var(--radius-lg)}.platform-switcher-menu .ant-dropdown-menu-item-group-title{padding:var(--space-1) var(--space-3) var(--space-2);color:var(--color-slate-500);font-size:11px;font-weight:var(--font-weight-semibold);letter-spacing:.06em;text-transform:uppercase}.platform-switcher-menu .ant-dropdown-menu-item{padding:var(--space-2) var(--space-3);border-radius:var(--radius-md)}.platform-switcher-menu .ant-dropdown-menu-item-selected{background:var(--color-bg-subtle);color:var(--color-text-primary);font-weight:var(--font-weight-semibold)}.platform-switcher-item{align-items:center;gap:var(--space-3);display:flex}.platform-switcher-name{flex:1}.platform-switcher-meta{align-items:center;gap:var(--space-2);color:var(--color-slate-500);font-size:var(--font-size-small);font-variant-numeric:tabular-nums;display:inline-flex}.platform-switcher-meta svg{color:var(--color-navy-900)}@media (prefers-reduced-motion:reduce){.platform-switcher-trigger,.platform-switcher-chevron{transition:none}}.app-header{justify-content:space-between;align-items:center;gap:var(--space-4);padding:var(--space-5) var(--space-8);border-bottom:var(--border-width) solid var(--color-border,var(--color-border));background:0 0;height:auto;display:flex}.app-header .ant-typography{margin-bottom:0}.app-header .app-brand{align-items:center;gap:var(--space-3);cursor:pointer;text-align:left;background:0 0;border:0;margin-left:30px;padding:0;display:flex}.app-brand-logo{object-fit:contain;width:auto;max-width:240px;height:68px}.app-header-actions{align-items:center;gap:var(--space-3);display:flex}.app-header .app-user-profile-trigger{box-sizing:border-box;border:var(--border-width) solid transparent;width:auto;max-width:148px;height:42px;min-height:42px;padding:3px 7px 3px var(--space-1);color:var(--color-text-primary);cursor:pointer;background:0 0;border-radius:10px;align-items:center;gap:6px;transition:background-color .16s,border-color .16s;display:inline-flex}.app-header .app-user-profile-trigger:hover{border-color:var(--color-border);background:var(--color-bg-subtle)}.app-header .app-user-profile-trigger:focus-visible{outline:3px solid var(--color-accent-soft);outline-offset:2px}.app-user-profile-mark{background:var(--color-accent-soft);width:24px;height:24px;color:var(--color-accent);border-radius:7px;justify-content:center;align-items:center;display:inline-flex}.app-user-profile-name{max-width:82px;color:var(--color-text-primary);font-size:var(--font-size);font-weight:var(--font-weight-semibold);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.app-user-profile-chevron{color:var(--color-text-muted);flex:none}.app-unread-badge.ant-badge .ant-badge-count{min-width:18px;height:18px;font-size:11px;font-weight:var(--font-weight-semibold);border-radius:9px;padding:0 5px;line-height:18px}.app-unread-badge.ant-badge .ant-scroll-number-only,.app-unread-badge.ant-badge .ant-scroll-number-only-unit{height:18px;line-height:18px}.app-user-menu-support{justify-content:space-between;align-items:center;gap:var(--space-3);display:flex}@media (width<=768px){.app-header{padding:var(--space-3) 18px;gap:var(--space-3)}.app-header .app-brand{min-width:0;margin-left:0}.app-brand-logo{max-width:100%;height:48px}.app-header-actions,.app-user-profile-trigger{flex:none}.app-user-profile-name{display:none}}