/* Shared geometry and behavior contract; no selectors for local tool panels or maps. */
.setsu-shell { --site-header-height:72px; --site-sidebar-width:232px; --site-sidebar-mini-width:64px; --site-drawer-width:258px; --site-active-sidebar-width:var(--site-sidebar-width); }
.setsu-shell.is-nav-collapsed { --site-active-sidebar-width:var(--site-sidebar-mini-width); }
.setsu-shell .setsu-shell__region.setsu-shell__header { position:fixed; inset:0 0 auto 0; height:var(--site-header-height); z-index:30; background:#fff; }
.setsu-shell .setsu-shell__region.setsu-shell__sidebar { position:fixed; inset:var(--site-header-height) auto 0 0; width:var(--site-active-sidebar-width); display:block; }
.setsu-shell .setsu-shell__region.setsu-shell__workspace { padding-top:var(--site-header-height); margin-left:var(--site-active-sidebar-width); }
.setsu-shell .setsu-shell__header-row { height:100%; display:flex; align-items:center; gap:18px; padding:0 24px; }
.setsu-shell [data-shell-toggle="desktop"] { display:inline-flex; }
.setsu-shell [data-shell-toggle="mobile"] { display:none; }
.setsu-shell .setsu-shell__control { min-width:44px; min-height:44px; }
.setsu-shell .setsu-shell__nav-link { min-height:44px; }
.setsu-shell .setsu-shell__title>a { display:inline-flex; min-height:44px; align-items:center; }
.setsu-shell .setsu-shell__search { height:44px; }
.setsu-shell .setsu-shell__search button { min-width:44px; }
.setsu-shell .setsu-shell__header-action { min-height:44px; }
.setsu-shell .setsu-shell__drawer:not([open]) { display:none; }
@media (max-width:820px), (max-width:1024px) and (max-height:500px) and (pointer:coarse) {
 .setsu-shell, .setsu-shell.is-nav-collapsed { --site-header-height:110px; --site-active-sidebar-width:0px; }
 .setsu-shell .setsu-shell__region.setsu-shell__sidebar { display:none; }
 .setsu-shell [data-shell-toggle="desktop"] { display:none; }
 .setsu-shell [data-shell-toggle="mobile"] { display:inline-flex; }
 .setsu-shell .setsu-shell__header-row { flex-wrap:wrap; padding:4px 16px 9px; gap:0 8px; }
 .setsu-shell .setsu-shell__search { order:4; flex:1 1 calc(100% - 98px); min-width:0; max-width:none; margin-left:0; }
 .setsu-shell .setsu-shell__header-action { order:5; flex:none; width:90px; }
 .setsu-shell .setsu-shell__region.setsu-shell__drawer { position:fixed; inset:var(--site-header-height) auto 0 0; margin:0; padding:0; border:0; background:#fff; width:var(--site-drawer-width); max-width:calc(100vw - 40px); height:calc(100dvh - var(--site-header-height)); max-height:calc(100dvh - var(--site-header-height)); }
 .setsu-shell .setsu-shell__drawer::backdrop { background:linear-gradient(transparent 110px,#26313d66 110px); }
}
@media(max-width:360px) { .setsu-shell .setsu-shell__header-row { padding-inline:11px; } }
@media(prefers-reduced-motion:reduce) { .setsu-shell * { scroll-behavior:auto; } }