:root{--bg:#f6f6f7;--bg-elevated:#ffffffb8;--bg-glass:#ffffff8c;--bg-opaque:#fafafc;--border:#0000001f;--border-strong:#00000038;--fg:#1a1a1a;--fg-muted:#1a1a1ad1;--fg-subtle:#1a1a1ab8;--accent:#3468ff;--pref-tab-indicator:#5a6573;--add-bg:#2ea04324;--add-bg-strong:#2ea04342;--del-bg:#f8514924;--del-bg-strong:#f8514947;--chrome-height:44px;--chrome-focus-ring:#00000052;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--font-ui:-apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Helvetica, Arial, sans-serif;--lightningcss-light:initial;--lightningcss-dark: 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var(--border);color:var(--fg-subtle);cursor:pointer;isolation:isolate;-webkit-backdrop-filter:blur(40px)saturate(180%);pointer-events:none;opacity:0;background:#f5f5f7eb;border-radius:8px;justify-content:center;align-items:center;padding:6px 8px;transition:opacity .12s,color .12s;display:inline-flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}:root[data-theme=dark] .swap-btn{background:#14161aeb}.swap-zone.visible .swap-btn{opacity:1;pointer-events:auto}.swap-btn:hover{color:var(--fg);border-color:var(--border-strong)}.swap-btn:active{transform:translate(-50%,calc(.5px - 50%))}#history-drawer{top:var(--chrome-height);background:var(--bg-opaque);border-left:1px solid var(--border);z-index:9;flex-direction:column;width:340px;transition:transform .22s cubic-bezier(.2,.7,.1,1);display:flex;position:fixed;bottom:0;right:0;transform:translate(100%)}#history-drawer.open{transform:translate(0)}.hd-header{border-bottom:1px solid 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.hd-delete:hover{background:var(--del-bg-strong);color:var(--fg)}.hd-empty{height:100%;color:var(--fg-subtle);justify-content:center;align-items:center;font-size:13px;display:flex}.toast{background:var(--bg-elevated);border:1px solid var(--border-strong);font:500 12px var(--font-ui);color:var(--fg);z-index:20;opacity:0;pointer-events:none;border-radius:10px;padding:8px 14px;transition:opacity .16s;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast.show{opacity:1}