/* Zahlavi, vyhledavani, mobilni menu (SiteHeader). Vlastnik: balik 1A. Pravidla pod .rd. */
/* Zdroj: prototyp-zahlavi/index.html (.header …) a servis.css (prihlaseny uzivatel). Tridy header-row, search, search-overlay,
   title a text ma i stary main.css, proto jsou tady prejmenovane (hdr-row, hdr-search, search-panel, r-title, r-text). */

.rd.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: block;
  background: #fff;
  padding: 22px 0;
  border-bottom: 1px solid transparent;
  transition: padding .2s, box-shadow .2s, transform .25s;
}

.rd.site-header.scrolled {
  padding: 10px 0;
  border-bottom-color: var(--border-color);
  box-shadow: var(--shadow-header);
}

.rd.site-header.tucked {
  transform: translateY(-100%);
  box-shadow: none;
}

.rd.site-header .hdr-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
}

.rd.site-header .header-logo {
  align-self: center;
  flex: none;
}

.rd.site-header .header-logo img {
  display: block;
  width: 110px;
  height: 28px;
}

/* ---------- produkty ---------- */
.rd.site-header .product-nav {
  display: flex;
  gap: 30px;
  margin-left: 4px;
}

.rd.site-header .product-link {
  display: block;
  padding: 6px 0;
  position: relative;
  white-space: nowrap;
}

.rd.site-header .product-link img {
  width: 13px;
  height: 13px;
  flex: none;
  margin: 1px 0 0 5px;
}

.rd.site-header .product-link .name {
  display: flex;
  align-items: flex-start;
  font-size: 14px;
  font-weight: 500;
  line-height: 18px;
  color: var(--primary-text-color);
}

.rd.site-header .product-link .short {
  display: none;
}

.rd.site-header .product-link .desc {
  display: block;
  font-size: 11px;
  line-height: 14px;
  color: var(--muted-text-color);
}

.rd.site-header .product-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  border-radius: 1px;
  background: transparent;
}

.rd.site-header .product-link.fs.active::after {
  background: var(--form-studio-color);
}

.rd.site-header .product-link.stereo.active::after {
  background: var(--stereo-color);
}

.rd.site-header .product-link.enter.active::after {
  background: var(--enter-color);
}

.rd.site-header .product-link:hover .name {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.rd.site-header .product-link.active:hover .name {
  text-decoration: none;
}

/* ---------- sekundarni navigace ---------- */
/* Vyska 30px = padding + radek nazvu produktu: odkazy stoji na urovni nazvu, ne na stredu dvouradkove polozky. */
.rd.site-header .secondary-nav {
  display: flex;
  align-items: center;
  height: 30px;
  gap: 20px;
  margin-left: auto;
  font-size: 14px;
  white-space: nowrap;
}

.rd.site-header .secondary-nav > a:hover,
.rd.site-header .secondary-nav > a.active,
.rd.site-header .mobile-links > a:hover,
.rd.site-header .mobile-links > a.active,
.rd.site-header .login-link:hover,
.rd.site-header .login-link.active,
.rd.site-header .lang a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.rd.site-header .secondary-nav > a.active,
.rd.site-header .mobile-links > a.active,
.rd.site-header .login-link.active {
  text-decoration-thickness: 2px;
}

.rd.site-header .lang {
  white-space: nowrap;
}

.rd.site-header .lang .active {
  font-weight: 600;
}

.rd.site-header .lang .inactive {
  color: var(--muted-text-color);
  cursor: pointer;
}

.rd.site-header .separator {
  width: 1px;
  height: 24px;
  background: var(--border-color);
}

/* ---------- prihlaseni ---------- */
.rd.site-header .login-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.rd.site-header .user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
}

.rd.site-header .user-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.rd.site-header .user-pill:hover .nm {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.rd.site-header .user-pill .nm {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rd.site-header .user-pill .ava {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

.rd.site-header .logout-btn {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: #fff;
  color: var(--body-text);
  cursor: pointer;
}

.rd.site-header .logout-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.rd.site-header .logout-link {
  font-size: 14px;
}

.rd.site-header .admin-menu {
  position: relative;
}

.rd.site-header .admin-toggle {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: #fff;
  color: var(--body-text);
  cursor: pointer;
}

.rd.site-header .admin-toggle:hover,
.rd.site-header .admin-menu.open .admin-toggle {
  border-color: var(--navy);
  color: var(--navy);
}

.rd.site-header .admin-menu.open .admin-toggle {
  background: var(--light-gray-color);
}

.rd.site-header .admin-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  z-index: 20;
  min-width: 220px;
  padding: 6px 0;
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-overlay);
}

.rd.site-header .admin-panel a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
}

.rd.site-header .admin-panel a:hover {
  background: var(--light-gray-color);
}

.rd.site-header .admin-panel .ver {
  display: block;
  margin-top: 6px;
  padding: 8px 16px 4px;
  border-top: 1px solid var(--light-gray-color);
  font-size: 12px;
  color: var(--muted-text-color);
}

/* ---------- hledani ---------- */
.rd.site-header .hdr-search {
  position: relative;
}

.rd.site-header .hdr-search form {
  display: flex;
  align-items: center;
  width: 100%;
  height: 38px;
  margin: 0;
  padding: 0 6px 0 16px;
  border: 1px solid var(--border-color);
  border-radius: 19px;
  background: var(--light-gray-color);
  transition: width .2s, border-color .2s, background .2s;
}

.rd.site-header .hdr-search form:focus-within {
  border-color: var(--accent);
  background: #fff;
}

/* V liste drzi misto jen zakladni sirka; pole se pri psani rozsiri doleva pres sousedy, aby lista nepretekla. */
.rd.site-header .secondary-nav .hdr-search {
  --search-w: 190px;
  flex: none;
  width: var(--search-w);
  height: 38px;
}

.rd.site-header .secondary-nav .hdr-search form {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  width: var(--search-w);
}

.rd.site-header .secondary-nav .hdr-search form:focus-within {
  width: calc(var(--search-w) + var(--search-grow, 130px));
}

.rd.site-header[data-logged] .secondary-nav .hdr-search {
  --search-w: 150px;
}

.rd.site-header[data-logged] .hdr-row {
  gap: 24px;
}

.rd.site-header[data-logged] .secondary-nav {
  gap: 16px;
}

.rd.site-header .hdr-search input {
  flex: 1;
  min-width: 0;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  box-shadow: none;
  font: inherit;
  font-size: 13px;
  color: var(--primary-text-color);
}

.rd.site-header .hdr-search input::placeholder {
  color: var(--muted-text-color);
  opacity: 1;
}

.rd.site-header .hdr-search button[type="submit"] {
  flex: none;
  width: 28px;
  height: 28px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: url(../../img/ico-search.svg) center / 14px no-repeat;
  cursor: pointer;
}

.rd.site-header .search-panel {
  position: absolute;
  right: 0;
  top: 46px;
  z-index: 20;
  width: min(580px, calc(100vw - 32px));
  overflow: hidden;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: 0 2px 6px rgba(15, 23, 42, .08), 0 18px 48px -8px rgba(15, 23, 42, .28);
  white-space: normal;
}

.rd.site-header .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.rd.site-header .filter {
  display: flex;
  flex: 1 1 auto;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 12px;
  border: 0;
  border-radius: 14px;
  background: var(--light-gray-color);
  font: inherit;
  font-size: 12px;
  line-height: 18px;
  color: var(--primary-text-color);
  cursor: pointer;
}

.rd.site-header .filter:hover {
  background: var(--border-color);
}

.rd.site-header .filter.active {
  background: var(--navy);
  color: #fff;
}

.rd.site-header .filter img {
  width: 12px;
  height: 12px;
}

/* Do spodniho okraje okna zbyva ~24 px (panel zacina ~62 px od horniho okraje, filtry ~56 px). */
.rd.site-header .search-results {
  max-height: max(240px, calc(100vh - 150px));
  max-height: max(240px, calc(100dvh - 150px));
  overflow-y: auto;
  overscroll-behavior: contain;
}

.rd.site-header .result {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
  font-size: 13px;
  cursor: pointer;
}

.rd.site-header .result:hover,
.rd.site-header .result:focus-visible {
  background: var(--light-gray-color);
}

.rd.site-header .result img {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 2px;
}

.rd.site-header .r-body {
  display: block;
  min-width: 0;
}

.rd.site-header .r-title {
  display: block;
  font-weight: 500;
  line-height: 19px;
}

.rd.site-header .r-text {
  display: -webkit-box;
  margin-top: 2px;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 12px;
  line-height: 17px;
  color: var(--body-text);
}

.rd.site-header .r-text * {
  display: inline;
  margin: 0;
  padding: 0;
  font-size: inherit;
  line-height: inherit;
}

.rd.site-header .r-type {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  line-height: 16px;
  color: var(--muted-text-color);
}

/* Spolecny sloupec pro ikony, aby texty vysledku zacinaly pod sebou. */
.rd.site-header .r-lead {
  flex: none;
  display: flex;
  justify-content: center;
  width: 32px;
}

.rd.site-header .r-form,
.rd.site-header .r-help {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 10%, var(--surface-1, #fff));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, currentColor 45%, transparent);
  color: var(--accent-link);
}

.rd.site-header .r-form.zoom {
  cursor: zoom-in;
  transition: background-color .15s, color .15s;
}

.rd.site-header .r-form.zoom:hover,
.rd.site-header .r-form.zoom:focus-visible {
  background: var(--accent);
  box-shadow: none;
  color: var(--accent-text);
  outline: none;
}

.rd.site-header .r-preview {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(14, 19, 32, .6);
  cursor: zoom-out;
}

.rd.site-header .r-preview figure {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: min(720px, 100%);
  max-height: 100%;
  margin: 0;
  padding: 16px;
  border-radius: var(--radius-lg);
  background: var(--bg, #fff);
  box-shadow: var(--shadow-modal);
  cursor: default;
}

.rd.site-header .r-preview img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 140px);
  border: 1px solid var(--border-color);
  background: #fff;
}

.rd.site-header .r-preview-none {
  margin: 40px 48px;
  font-size: 14px;
  color: var(--body-text);
}

.rd.site-header .r-preview figcaption {
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.rd.site-header .r-preview figcaption a {
  color: var(--accent-link);
}

.rd.site-header .r-preview figcaption a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.rd.site-header .r-preview-close {
  position: absolute;
  top: -14px;
  right: -14px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: var(--bg, #fff);
  color: var(--primary-text-color);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.rd.site-header .r-preview-close:hover {
  border-color: var(--accent);
}

.rd.site-header .result.r-ai {
  border-top: 1px solid var(--border-color);
}

.rd.site-header .r-ai-icon {
  flex: none;
  margin-top: 2px;
  color: var(--accent);
}

.rd.site-header .r-ai .r-title {
  color: var(--accent);
}

.rd.site-header .r-empty {
  margin: 0;
  padding: 16px;
  font-size: 13px;
  color: var(--muted-text-color);
}

/* ---------- mobil: lupa, hamburger, menu ---------- */
.rd.site-header .hamburger {
  display: none;
  align-self: center;
  margin-left: auto;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
}

.rd.site-header .search-toggle {
  display: none;
  align-self: center;
  margin-left: auto;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  background: url(../../img/ico-search.svg) center / 18px no-repeat;
  cursor: pointer;
}

.rd.site-header .search-toggle + .hamburger {
  margin-left: -28px;
}

.rd.site-header .hamburger span,
.rd.site-header .hamburger span::before,
.rd.site-header .hamburger span::after {
  display: block;
  position: relative;
  width: 22px;
  height: 2px;
  margin: 0 auto;
  background: var(--primary-text-color);
  content: "";
  transition: transform .2s, background .2s;
}

.rd.site-header .hamburger span::before {
  position: absolute;
  top: -7px;
}

.rd.site-header .hamburger span::after {
  position: absolute;
  top: 7px;
}

.rd.site-header .hamburger[aria-expanded="true"] span {
  background: transparent;
}

.rd.site-header .hamburger[aria-expanded="true"] span::before {
  transform: translateY(7px) rotate(45deg);
}

.rd.site-header .hamburger[aria-expanded="true"] span::after {
  transform: translateY(-7px) rotate(-45deg);
}

.rd.site-header .mobile-menu {
  display: none;
  padding: 10px 0 20px;
}

.rd.site-header .mobile-menu.open {
  display: block;
  max-height: calc(100vh - var(--mm-top, 64px));
  max-height: calc(100dvh - var(--mm-top, 64px));
  overflow-y: auto;
  overscroll-behavior: contain;
}

.rd.site-header .mobile-menu > .hdr-search {
  margin-bottom: 6px;
}

.rd.site-header .mobile-menu .hdr-search form,
.rd.site-header .mobile-menu .hdr-search form:focus-within {
  width: 100%;
}

.rd.site-header .mobile-menu .hdr-search input {
  font-size: 16px;
}

.rd.site-header .mobile-menu .search-panel {
  position: static;
  width: auto;
  margin-top: 8px;
  border: 1px solid var(--border-color);
  box-shadow: none;
}

.rd.site-header .mobile-menu .search-results {
  max-height: none;
  overflow: visible;
}

.rd.site-header .mobile-menu .product-link {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.rd.site-header .mobile-menu .product-link::after {
  display: none;
}

.rd.site-header .mobile-menu .product-link .name {
  font-size: 15px;
}

.rd.site-header .mobile-menu .product-link .desc {
  font-size: 12px;
}

.rd.site-header .mobile-menu .product-link.active .name {
  font-weight: 600;
}

.rd.site-header .mobile-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding: 16px 0;
  font-size: 14px;
}

html.rd-menu-lock,
html.rd-menu-lock body {
  overflow: hidden;
}

/* uzky desktop (1101–1220 px): plna lista se jinak nevejde, hlavne u prihlaseneho uzivatele */
@media (max-width: 1220px) {
  .rd.site-header .hdr-row,
  .rd.site-header[data-logged] .hdr-row {
    gap: 22px;
  }

  .rd.site-header .product-nav {
    gap: 22px;
  }

  .rd.site-header .secondary-nav {
    gap: 14px;
  }

  .rd.site-header[data-logged] .secondary-nav {
    gap: 12px;
  }

  .rd.site-header .secondary-nav .hdr-search {
    --search-w: 170px;
  }

  .rd.site-header[data-logged] .secondary-nav .hdr-search {
    --search-w: 120px;
  }

  .rd.site-header .user-pill .nm {
    max-width: 80px;
  }
}

/* Zuzovani: Reference a Kontakt (jsou v paticce), pak podnadpisy, pak zkratky FS / ST / ET; hamburger az pod 720 px. */
@media (max-width: 1180px) {
  .rd.site-header .hdr-row > .product-nav {
    gap: 24px;
  }

  .rd.site-header .secondary-nav > a.nav-extra {
    display: none;
  }
}

@media (max-width: 1020px) {
  .rd.site-header .hdr-row > .product-nav {
    gap: 22px;
    min-height: 44px;
  }

  .rd.site-header .hdr-row > .product-nav .desc {
    display: none;
  }

  .rd.site-header .secondary-nav {
    gap: 16px;
  }

  .rd.site-header[data-logged] .secondary-nav {
    gap: 12px;
  }

  .rd.site-header .secondary-nav .hdr-search {
    --search-w: 160px;
  }

  .rd.site-header[data-logged] .secondary-nav .hdr-search {
    --search-w: 120px;
  }
}

@media (max-width: 860px) {
  .rd.site-header .hdr-row > .product-nav {
    gap: 16px;
  }

  .rd.site-header .hdr-row > .product-nav .name {
    position: relative;
  }

  .rd.site-header .hdr-row > .product-nav .nm {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .rd.site-header .hdr-row > .product-nav .short {
    display: inline;
  }

  .rd.site-header .secondary-nav .hdr-search {
    --search-w: 130px;
  }

  .rd.site-header[data-logged] .secondary-nav .hdr-search {
    --search-w: 100px;
  }
}

@media (max-width: 720px) {
  .rd.site-header .hdr-row {
    align-items: center;
    min-height: 44px;
  }

  .rd.site-header .hdr-row > .product-nav,
  .rd.site-header .hdr-row > .secondary-nav {
    display: none;
  }

  .rd.site-header .hamburger,
  .rd.site-header .search-toggle {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rd.site-header,
  .rd.site-header .hdr-search form,
  .rd.site-header .hamburger span,
  .rd.site-header .hamburger span::before,
  .rd.site-header .hamburger span::after {
    transition: none;
  }
}