/* Speech2Mail navigation */
.site-header { box-shadow: 0 4px 24px rgba(15,23,42,.06); font-family: system-ui, sans-serif; }
.site-header .header-inner { padding-top: 12px; padding-bottom: 12px; gap: 10px 24px; }
.site-header .nav { gap: 4px; }
.site-header .nav-menu { gap: 4px; flex-wrap: wrap; justify-content: center; }
.site-header .nav > .container { padding-top: 0; padding-bottom: 12px; margin-bottom: 0; }
.site-header .nav a, .nav-drawer a {
 display: flex; align-items: center; justify-content: center; min-height: 44px;
 padding: 10px 16px; border: 1px solid transparent; border-radius: 12px;
 font-size: 14px; line-height: 1.4; font-weight: 600; text-decoration: none;
 color: var(--ink) !important; transition: background .18s ease, color .18s ease, box-shadow .18s ease;
}
.site-header .nav a:hover, .nav-drawer a:hover { background: color-mix(in srgb, var(--brand) 9%, transparent); color: var(--brand) !important; }
.site-header .nav a[aria-current="page"], .site-header .nav a.active, .nav-drawer a[aria-current="page"], .nav-drawer a.active {
 color: var(--brand) !important; background: color-mix(in srgb, var(--brand) 12%, var(--card)); border-color: color-mix(in srgb, var(--brand) 22%, transparent);
}
.site-header a:focus-visible, .site-header button:focus-visible, .nav-drawer a:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.site-header .header-actions a:first-child { background: var(--brand) !important; color: var(--bg) !important; border-color: transparent !important; box-shadow: 0 3px 10px rgba(37,99,235,.15); }
.site-header .header-actions a { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; }
.site-header #theme-toggle { width: 44px; height: 44px; border-radius: 12px; background: var(--card) !important; color: var(--ink) !important; border: 1px solid var(--border) !important; }
.site-header .mobile-menu-toggle { border-radius: 12px; width: 44px; height: 44px; }
.site-header .mobile-menu-toggle span { transition: transform .18s ease, opacity .18s ease; }
.site-header .mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header .mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.site-header .mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (min-width: 761px) {
 .site-header .header-inner > .nav { padding: 5px; border: 1px solid var(--border); border-radius: 16px; background: var(--card); }
}
@media (max-width: 760px) {
 .site-header .header-inner { gap: 10px 14px; }
 .site-header .header-inner > .nav { padding: 8px; border: 1px solid var(--border); border-radius: 16px; background: var(--card); gap: 3px; max-height: calc(100dvh - 190px); overflow-y: auto; box-shadow: 0 12px 28px rgba(15,23,42,.08); }
 .site-header .nav a { justify-content: space-between; text-align: left; min-height: 46px; padding: 11px 14px; background: transparent; }
 .site-header .nav a::after, .nav-drawer a::after { content: '\203A'; font-size: 22px; line-height: 1; opacity: .55; margin-left: 12px; }
 .site-header .header-actions { gap: 7px; }
 .site-header .header-actions a { font-size: 12px; padding: 9px 8px; }
}
@media (max-width: 860px) {
 .nav-drawer { border: 1px solid var(--border); border-radius: 0 0 20px 20px; padding: 12px; background: var(--surface); }
 .nav-drawer a { justify-content: space-between; min-height: 46px; background: transparent; margin: 3px 0; }
}
@media (prefers-reduced-motion: reduce) { .site-header .nav a, .nav-drawer a, .site-header .mobile-menu-toggle span { transition: none; } }