:root{color:var(--text);background:var(--background);font-family:DejaVu Sans,Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--charcoal: #36454f;--slate: #708090;--line: #d3d3d3;--success: #0ba85b;--error: #c33131;--background: #ffffff;--surface: #ffffff;--surface-subtle: #f7f8f9;--text: #17263a;--text-strong: #14243a;--toolbar: rgba(255, 255, 255, .97);--hover: #f3f5f6;--overlay: rgba(17, 27, 39, .42);--input-border: #bac2c9;--success-surface: #f2faf6;--success-border: #dcebe3;--provider-surface: #f5faf7}[data-theme=dark]{--charcoal: #dbe5ec;--slate: #9eacb8;--line: #34424e;--success: #42d389;--error: #ff7373;--background: #101820;--surface: #16212b;--surface-subtle: #1c2934;--text: #dce5ec;--text-strong: #f2f6f8;--toolbar: rgba(16, 24, 32, .97);--hover: #22313d;--overlay: rgba(0, 0, 0, .68);--input-border: #52616d;--success-surface: #142b23;--success-border: #27513f;--provider-surface: #172c25}*{box-sizing:border-box}html{background:var(--background)}body{margin:0;min-width:320px;min-height:100vh;color:var(--text);background:var(--background);-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(54,69,79,.24);outline-offset:2px}.app-shell{min-height:100vh;background:var(--background)}.toolbar{position:sticky;z-index:20;top:0;border-bottom:1px solid var(--line);background:var(--toolbar);padding-top:env(safe-area-inset-top)}.toolbar__inner{width:min(100%,760px);height:74px;margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between}.brand-mark{width:44px;height:44px;object-fit:cover;border-radius:10px}.toolbar__actions{display:flex;align-items:center;gap:5px}.icon-button{width:48px;height:48px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;color:var(--text-strong);background:transparent;cursor:pointer}.icon-button:hover{background:var(--hover)}.icon-button:disabled{color:#a9b0b7;cursor:default}.toast{position:sticky;z-index:15;top:calc(75px + env(safe-area-inset-top));width:100%;min-height:58px;padding:12px max(22px,calc((100% - 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