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var(--neutral-100);--border-control: var(--neutral-200);--border-default: var(--border-control);--accent-primary: var(--neutral-900);--accent-contrast: var(--neutral-0);--accent-send: #2C67C5;--danger-text: var(--danger-500);--focus-ring: var(--neutral-600);--sidebar-width: 312px;--sidebar-collapsed-width: 64px;--content-width: 720px;--topbar-height: 60px;--radius-control: 10px;--radius-composer: 28px;--shadow-composer: 0 4px 14px rgb(0 0 0 / 4%);--shadow-popover: 0 12px 36px rgb(0 0 0 / 14%), 0 2px 8px rgb(0 0 0 / 5%);font-family:Söhne,Segoe 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