@layer theme{:root,:host{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color 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transparent)}}.sidebar,.workspace{border-radius:8px}.sidebar{background:var(--sidebar);flex-direction:column;padding:12px;display:flex;overflow:hidden}.brand-row,.profile-row,.workspace-header,.composer-toolbar,.submit-group,.composer-actions,.section-heading,.header-context,.file-chip,.draft-notice{align-items:center;display:flex}.brand-row{gap:10px;min-height:48px;padding:2px 4px 12px}.brand-mark{border:1px solid var(--border);width:34px;height:34px;color:var(--accent);background:var(--surface-strong);border-radius:7px;place-items:center;display:grid}.brand-copy,.profile-row>div:last-child{min-width:0;display:grid}.brand-copy strong,.profile-row strong{font-size:14px;font-weight:620}.brand-copy span,.profile-row span{color:var(--muted);font-size:11px}.icon-button{cursor:pointer;width:36px;height:36px;color:var(--muted);background:0 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