/* Shared app chrome. Original Katie artwork, exact website theme tokens. */
.aero-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.aero-identity{display:inline-flex;align-items:center;gap:16px;min-width:0;text-decoration:none;color:var(--tc-ink)}
.aero-legacy-wordmark{display:block;width:224px;max-width:100%;height:auto}
:root[data-theme=dark] .aero-legacy-wordmark{filter:invert(1)}
@media(prefers-color-scheme:dark){:root:not([data-theme]) .aero-legacy-wordmark{filter:invert(1)}}
.aero-theme-control{display:grid;gap:4px;font:10px/1.2 var(--tc-mono);color:var(--tc-muted);flex:none}
.aero-theme-control select{appearance:auto;display:block;font:13px/1.3 var(--tc-font);color:var(--tc-ink);background:var(--tc-surface);border:1px solid var(--tc-control);border-radius:4px;min-height:44px;width:96px;padding:9px 8px;cursor:pointer}
.aero-theme-control option{color:var(--tc-ink);background:var(--tc-surface)}
.aero-theme-control select:disabled{cursor:default;opacity:.7}
.aero-theme-control select:focus-visible{outline:3px solid var(--tc-focus);outline-offset:3px}
.aero-icon{display:inline-block;width:24px;height:24px;flex:none;vertical-align:middle;color:var(--tc-accent)}
.aero-shell-controls{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.aero-app-label{display:flex;align-items:center;gap:8px;color:var(--tc-muted);font:11px/1.4 var(--tc-mono);letter-spacing:.04em}
.aero-app-label .aero-icon{width:24px;height:24px}
@media(max-width:600px){.aero-legacy-wordmark{width:184px}.aero-shell-controls{gap:12px}}
@media(max-width:380px){.aero-legacy-wordmark{width:164px}.aero-theme-control select{width:88px}.aero-theme-control{font-size:9px}}
@media(prefers-reduced-motion:reduce){.aero-theme-control *{transition:none!important;animation:none!important}}
@media(forced-colors:active){.aero-theme-control select{border-color:ButtonText}.aero-theme-control select:focus-visible{outline-color:Highlight}}
@media print{.aero-theme-control,#theme-feedback,.aero-shell-controls{display:none!important}}