/* Site header — logo, search and account actions on the first row; the
   track's navigation (with the track switch) on the second. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.site-header__logo-link {
  display: flex;
  align-items: center;
  flex: none;
}

.site-header__logo {
  display: block;
  height: 56px;
  width: auto;
}

/* Search field in the first row */
.site-search {
  flex: 1;
  max-width: 460px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  height: 44px;
  padding-inline: var(--space-4) var(--space-2);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.site-search:hover {
  border-color: var(--border-strong);
}

.site-search:focus-within {
  border-color: var(--navy-700);
  box-shadow: 0 0 0 3px var(--sky-100);
}

.site-search input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font: 400 14px/1.5 var(--font-sans);
  color: var(--ink);
}

.site-search input::placeholder {
  color: var(--ink-muted);
}

.site-search button {
  display: inline-flex;
  padding: var(--space-1);
  border: 0;
  background: none;
  color: var(--ink);
  cursor: pointer;
}

.site-search .icon {
  width: 20px;
  height: 20px;
}

/* Second row: navigation */
.site-nav {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
  flex-wrap: wrap;
}

.nav-desktop--inline {
  flex: none;
  margin-inline: auto;
  gap: var(--space-6);
}

.nav-desktop a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: 2px solid transparent;
  font: 700 14px/1.5 var(--font-sans);
  color: var(--ink-body);
}

.nav-desktop a:hover {
  color: var(--navy-700);
}

.nav-desktop a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--gold-500);
}

.track-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background: var(--sky-50);
  color: var(--sky-700);
  font: 700 13px/1.6 var(--font-sans);
  white-space: nowrap;
}

.track-switch:hover {
  background: var(--sky-100);
}

.track-switch .icon {
  width: 16px;
  height: 16px;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown__menu {
  display: none;
  position: absolute;
  inset-inline-start: 0;
  top: 100%;
  min-width: 240px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  box-shadow: var(--shadow-raised);
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu {
  display: block;
}

.nav-dropdown__menu a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--ink-body);
  font-weight: 500;
}

.nav-dropdown__menu a:hover {
  background: var(--sky-50);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: none;
}

.site-header--minimal .header-actions {
  margin-inline-start: 0;
}

.header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  position: relative;
}

.header-icon-btn .icon {
  width: 20px;
  height: 20px;
}

.header-icon-btn__badge {
  position: absolute;
  top: -6px;
  inset-inline-end: -6px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  background: var(--gold-500);
  color: var(--on-gold);
  font-size: 11px;
  font-weight: 700;
  line-height: 18px;
  text-align: center;
}

.lang-switcher {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 2px;
  gap: 2px;
}

.lang-switcher__btn {
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  font: 700 12px/1.6 var(--font-sans);
  color: var(--ink-muted);
}

.lang-switcher__btn.is-active {
  background: var(--navy-900);
  color: var(--on-navy);
}

.header-login .icon {
  width: 18px;
  height: 18px;
}

.header-user-dropdown .nav-dropdown__menu {
  inset-inline-start: auto;
  inset-inline-end: 0;
}

.header-user-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}

.nav-dropdown__menu-btn {
  display: block;
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  border: none;
  background: none;
  color: var(--danger);
  font: 500 15px/1.6 var(--font-sans);
  text-align: inherit;
  cursor: pointer;
}

.nav-dropdown__menu-btn:hover {
  background: var(--sky-50);
}

.header-user-link__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.header-user-link__avatar--placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-900);
  color: var(--on-navy);
  font-weight: 700;
}

.hamburger-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
}

.hamburger-btn .icon {
  width: 22px;
  height: 22px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--space-2) var(--space-4) var(--space-4);
  border-top: 1px solid var(--border);
}

.mobile-nav a,
.mobile-nav__btn {
  padding: var(--space-2) 0;
  color: var(--ink);
  font-weight: 700;
  border-bottom: 1px solid var(--border);
}

.mobile-nav__switch {
  color: var(--sky-700) !important;
}

.mobile-nav__btn {
  display: block;
  width: 100%;
  text-align: inherit;
  background: none;
  border: 0;
  font: inherit;
  cursor: pointer;
}

.mobile-nav form {
  margin: 0;
}

.mobile-nav.is-open {
  display: flex;
}

@media (max-width: 1100px) {
  .site-nav {
    display: none;
  }

  .site-header--minimal .nav-desktop--inline {
    display: none;
  }

  .hamburger-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 860px) {
  .site-search {
    display: none;
  }

  .header-actions {
    margin-inline-start: auto;
  }
}

@media (max-width: 640px) {
  .site-header__inner {
    padding: var(--space-2) var(--space-4);
    gap: var(--space-2);
  }

  .site-header__logo {
    height: 40px;
  }

  .header-actions {
    gap: var(--space-2);
  }

  .header-actions .header-login,
  .header-actions > .lang-switcher {
    display: none;
  }

  .header-user-link__name {
    display: none;
  }
}