/* Intrinsic-size shared navigation: never reserve a column narrower than its text. */
.site-header {
 display: grid;
 grid-template-columns: max-content max-content minmax(0, 1fr) max-content;
 align-items: center;
 gap: 16px 24px;
 height: auto;
 min-height: 88px;
 padding-block: 12px;
}
.site-header .brand { min-width: 0; }
.site-header .app-switch { display: flex; flex-wrap: nowrap; justify-self: start; margin: 0; white-space: nowrap; }
.site-header .app-switch button { font-size: 15px; padding-inline: 13px; min-height: 44px; }
#header-subnav { min-width: 0; width: 100%; margin: 0; overflow: hidden; }
#header-subnav > nav { display: flex; align-items: center; gap: 2px; width: max-content; max-width: 100%; min-width: 0; margin: 0; padding: 0; border: 0; border-radius: 0; background: transparent; overflow-x: auto; scrollbar-width: thin; }
.site-header .desktop-nav.training-nav { display: flex; align-self: center; }
#header-subnav > nav button { flex: 0 0 auto; white-space: nowrap; min-height: 44px; padding: 8px 12px; border: 0; border-radius: var(--ch-radius-control); font-size: 14px; background: transparent; color: var(--muted); }
#header-subnav > nav button[aria-current="page"],
#header-subnav > nav button[aria-pressed="true"] { color: var(--cyan); background: var(--cyan-soft); }
#header-subnav > nav button:hover { background: var(--raised); }
.site-header .header-end { display: flex; align-items: center; justify-self: end; min-width: 0; margin: 0; gap: 12px; white-space: normal; }
.site-header .sync-status { min-width: 0; max-width: 220px; text-align: left; font-size: 12px; }
.site-header .status-dot { flex: 0 0 6px; }
.site-header .status-copy { min-width: 0; max-width: 200px; line-height: 1.35; }
.site-header #save-status { overflow: hidden; max-width: 100%; text-overflow: ellipsis; white-space: nowrap; }
.site-header #sync-detail { font-size: 11px; overflow-wrap: anywhere; white-space: normal; }
.site-header #hermes-chat-button, .site-header .avatar { flex: 0 0 auto; }
body.health-active .site-header .training-nav { display: flex !important; }
.journal-refined .exercise-heading { align-items: flex-start; }
.exercise-heading-actions { display: flex; align-items: center; justify-content: flex-end; gap: 14px; flex: 0 0 auto; }
.session-count { color: var(--muted); font-size: 13px; font-variant-numeric: tabular-nums; white-space: nowrap; }
@media (max-width: 1240px) and (min-width: 761px) {
 .site-header { grid-template-columns: max-content minmax(0, 1fr) max-content; gap: 10px 20px; }
 .site-header .brand { grid-column: 1; grid-row: 1; }
 .site-header .app-switch { grid-column: 2; grid-row: 1; }
 .site-header .header-end { grid-column: 3; grid-row: 1; }
 #header-subnav { grid-column: 2 / -1; grid-row: 2; }
 .site-header .sync-status { max-width: 150px; }
}
@media (max-width: 760px) {
 .site-header { grid-template-columns: minmax(0, 1fr) auto; gap: 8px 10px; padding: 12px 18px; }
 .site-header .brand { grid-column: 1; grid-row: 1; }
 .site-header .header-end { grid-column: 2; grid-row: 1; gap: 8px; }
 .site-header .app-switch { grid-column: 1 / -1; grid-row: 2; }
 #header-subnav { grid-column: 1 / -1; grid-row: 3; }
 .site-header .app-switch button { min-height: 44px; font-size: 13px; }
 #header-subnav > nav button { font-size: 13px; min-height: 44px; }
 .site-header #hermes-chat-button { min-height: 40px; font-size: 12px; padding-inline: 10px; }
 .site-header .avatar { width: 34px; height: 34px; min-height: 34px; }
}