/* Глобальная навигация (хаб как в Telegram) — подключать вместе с js/site-nav.js */

:root {
  --sn-bg: #17212b;
  --sn-bg2: #0e1621;
  --sn-accent: #5288c1;
  --sn-text: #e4ecf2;
  --sn-border: rgba(255, 255, 255, 0.08);
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 4000;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 8px 10px;
  padding-top: calc(8px + env(safe-area-inset-top, 0px));
  background: var(--sn-bg);
  border-bottom: 1px solid var(--sn-border);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.site-nav__brand {
  flex: 1;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--sn-text);
  text-decoration: none;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-nav__brand:hover,
.site-nav__brand:focus-visible {
  color: var(--sn-accent);
}

.site-nav__btn {
  flex-shrink: 0;
  min-width: 44px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--sn-border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--sn-accent);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.site-nav__btn--lang {
  font-size: 13px;
  font-weight: 600;
  min-width: 48px;
}

/* Desktop: Дом / Кабинет / Новости (как hybrid top__nav-pc) */
.site-nav__pc {
  display: none;
  gap: 4px;
  align-items: center;
  margin-right: 4px;
}
.site-nav__pc a {
  color: var(--sn-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 12px;
  border-radius: 8px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  opacity: 0.75;
}
.site-nav__pc a:hover,
.site-nav__pc a.is-on {
  opacity: 1;
  color: var(--sn-accent);
  background: rgba(255, 255, 255, 0.06);
}

@media (min-width: 768px) {
  .site-nav__pc {
    display: flex;
  }
}

.site-nav__btn:active {
  opacity: 0.88;
}

.site-nav__btn:focus-visible {
  outline: 2px solid var(--sn-accent);
  outline-offset: 2px;
}

/* Portal на body (#site-nav-portal) — вне .site-nav */
#site-nav-portal {
  position: static;
}

.site-nav__scrim {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 5001;
  background: rgba(0, 0, 0, 0.55);
  -webkit-tap-highlight-color: transparent;
}

.site-nav__scrim.is-open {
  display: block;
}

.site-nav__drawer {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 5002;
  width: min(100%, 380px);
  max-width: 100vw;
  background: var(--sn-bg2);
  border-left: 1px solid var(--sn-border);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.45);
  flex-direction: column;
  overflow: hidden;
}

.site-nav__drawer.is-open {
  display: flex;
}

.site-nav__drawer-hd {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  padding-top: calc(12px + env(safe-area-inset-top, 0px));
  border-bottom: 1px solid var(--sn-border);
  background: var(--sn-bg);
}

.site-nav__drawer-title {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--sn-text);
}

.site-nav__drawer-close {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--sn-accent);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.site-nav__drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px calc(16px + env(safe-area-inset-bottom, 0px));
  -webkit-overflow-scrolling: touch;
}

.site-nav__link {
  display: block;
  padding: 12px 14px;
  margin-bottom: 6px;
  border-radius: 10px;
  background: rgba(24, 37, 51, 0.9);
  border: 1px solid rgba(43, 82, 120, 0.45);
  color: var(--sn-text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.35;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  border-color: var(--sn-accent);
  color: #fff;
}

.site-nav__link[aria-current="page"] {
  border-color: var(--sn-accent);
  box-shadow: 0 0 0 1px rgba(82, 136, 193, 0.35);
}

.site-nav__section {
  margin: 14px 4px 6px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(82, 136, 193, 0.85);
}

.site-nav__section:first-child {
  margin-top: 4px;
}

body.site-nav-drawer-open {
  overflow: hidden;
}