/* =========================================
   BASE THEME (works with/without Bootstrap)
   ========================================= */

html, body {
  background: var(--bg-body);
  color: var(--text-body);
}

a { color: inherit; }
a:hover { color: var(--project); }

.text-muted { color: var(--text-muted) !important; }

hr, .border-base { border-color: var(--border-base) !important; }

/* Header / Footer hooks */
#site-header {
  background: var(--bg-header);
  color: var(--text-header);
  border-bottom: 1px solid var(--border-base);
}

#site-footer {
  background: var(--bg-footer);
  color: var(--text-footer);
  border-top: 1px solid rgba(0,0,0,0.08);
  padding: 24px 0;
}

#site-footer a { color: inherit; }

/* Nav links (minimal variant, works with/without BS) */
.brand { color: var(--text-header); }
.nav-link { color: var(--text-header); }
.nav-link:hover { text-decoration: underline; }

/* =========================================
   Project palette utilities (Bootstrap-friendly)
   ========================================= */

.bg-project   { background-color: var(--project) !important;   color: var(--on-project) !important; }
.bg-project-1 { background-color: var(--project-1) !important; color: var(--on-project) !important; }
.bg-project-2 { background-color: var(--project-2) !important; color: var(--on-project) !important; }
.bg-project-3 { background-color: var(--project-3) !important; color: var(--on-project) !important; }
.bg-project-4 { background-color: var(--project-4) !important; color: var(--on-project) !important; }

.border-project   { border-color: var(--project) !important; }
.border-project-1 { border-color: var(--project-1) !important; }
.border-project-2 { border-color: var(--project-2) !important; }
.border-project-3 { border-color: var(--project-3) !important; }
.border-project-4 { border-color: var(--project-4) !important; }

.text-project   { color: var(--project) !important; }
.text-project-1 { color: var(--project-1) !important; }
.text-project-2 { color: var(--project-2) !important; }
.text-project-3 { color: var(--project-3) !important; }
.text-project-4 { color: var(--project-4) !important; }

/* Tlačítko, které sedí k tvé paletě (funguje i bez BS) */
.btn-project {
  display: inline-block;
  background: var(--project);
  color: var(--on-project);
  border: 1px solid var(--project);
  padding: .55rem .9rem;
  border-radius: .6rem;
  text-decoration: none;
}
.btn-project:hover { filter: brightness(0.95); color: var(--on-project); }

/* Jemné “badge” použití */
.badge-project {
  display: inline-block;
  background: var(--project);
  color: var(--on-project);
  padding: .2rem .5rem;
  border-radius: 999px;
  font-size: .85rem;
}

/* =========================================
   Minimalist layout bits
   (container/nav/cms/breadcrumbs)
   ========================================= */

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--text-header);
}

.nav-list {
  display: flex;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--text-header);
}

/* =========================
   CMS CONTENT BASELINE
   ========================= */

.cms-content {
  max-width: 760px;
  line-height: 1.65;
  font-size: 1rem;
}

/* vertical rhythm */
.cms-content > * + * {
  margin-top: 1.2em;
}

/* headings */
.cms-content h1,
.cms-content h2,
.cms-content h3,
.cms-content h4,
.cms-content h5 {
  line-height: 1.25;
  margin-top: 1.8em;
  margin-bottom: 0.6em;
  font-weight: 600;
}

.cms-content h1 { font-size: 2rem; }
.cms-content h2 { font-size: 1.6rem; }
.cms-content h3 { font-size: 1.3rem; }
.cms-content h4 { font-size: 1.1rem; }

/* text */
.cms-content p {
  margin: 0;
}

/* lists */
.cms-content ul,
.cms-content ol {
  padding-left: 1.4em;
}

.cms-content li + li {
  margin-top: 0.4em;
}

/* links */
.cms-content a {
  text-decoration: underline;
}

/* images */
.cms-content img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* tables */
.cms-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.cms-content th,
.cms-content td {
  padding: 0.5em 0.6em;
  border-bottom: 1px solid rgba(0,0,0,0.15);
  text-align: left;
}

/* blockquotes */
.cms-content blockquote {
  padding-left: 1em;
  border-left: 4px solid rgba(0,0,0,0.2);
  color: rgba(0,0,0,0.7);
  font-style: italic;
}

/* horizontal rule */
.cms-content hr {
  border: none;
  border-top: 1px solid rgba(0,0,0,0.2);
  margin: 2em 0;
}

/* =========================
   BREADCRUMBS
   ========================= */

.breadcrumbs {
  font-size: 0.9rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0;
}

.breadcrumbs li::after {
  content: "›";
  margin: 0 0.4rem;
  color: rgba(0,0,0,0.4);
}

.breadcrumbs li:last-child::after {
  content: "";
}

.breadcrumbs a {
  text-decoration: none;
}

/* =========================
   ARTICLES
   ========================= */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
}

.article-card h3 {
  font-size: 1.1rem;
  line-height: 1.3;
  margin: 0.5rem 0 0;
}

.article-card .muted {
  color: #666;
  font-size: 0.95rem;
}

.article-card a {
  text-decoration: none;
  color: inherit;
}

.article-card a:hover h3 {
  text-decoration: underline;
}

.btn-small {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: #444;
  text-decoration: underline;
}

/* =========================
   GALLERY
   ========================= */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gallery-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
}

.gallery-card h3 {
  font-size: 1rem;
  margin: 0.4rem 0 0;
}

.gallery-card .muted {
  font-size: 0.85rem;
  color: #777;
}

.gallery-card a {
  text-decoration: none;
  color: inherit;
}

.gallery-card a:hover h3 {
  text-decoration: underline;
}

/* =========================
   GALLERY CATEGORIES / TAGS
   ========================= */

.gallery-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 1rem;
}

.gallery-cats .tag {
  font-size: 0.85rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid #ddd;
  border-radius: 999px;
  background: #fafafa;
  color: #444;
}

/* =========================================
   THEME TOKENS (defaults; overridden in base.html :root)
   ========================================= */

:root {
  --bg-body: #ffffff;
  --text-body: #111827;
  --text-muted: #6b7280;
  --border-base: #e5e7eb;

  --bg-header: #ffffff;
  --text-header: #111827;

  --bg-footer: #111827;
  --text-footer: #f9fafb;

  --project: #1e40af;
  --project-1: #0ea5e9;
  --project-2: #10b981;
  --project-3: #f59e0b;
  --project-4: #ef4444;
  --on-project: #ffffff;

  /* nav + dropdown tokens (safe defaults for light header) */
  --nav-hover: var(--project);
  --nav-hover-bg: transparent;

  --dropdown-bg: #ffffff;
  --dropdown-text: rgba(0,0,0,0.88);
  --dropdown-hover-bg: rgba(0,0,0,0.06);
  --dropdown-border: rgba(0,0,0,0.10);

  /* jemné UI tokeny */
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

/* =========================================
   BASE THEME (works with/without Bootstrap)
   ========================================= */

html, body {
  background: var(--bg-body);
  color: var(--text-body);
}

a { color: inherit; }
a:hover { color: var(--project); }

.text-muted { color: var(--text-muted) !important; }

hr { border-color: var(--border-base) !important; }
.border-base { border-color: var(--border-base) !important; }

/* Header / Footer hooks */
#site-header {
  background: var(--bg-header);
  color: var(--text-header);
  border-bottom: 1px solid var(--border-base);
}

#site-footer {
  background: var(--bg-footer);
  color: var(--text-footer);
  border-top: 1px solid var(--border-base);
  padding: 24px 0;
}

#site-footer a { color: inherit; }

/* Nav links (minimal variant; when Bootstrap is present, this just colors it) */
.brand { color: var(--text-header); }
.nav-link { color: var(--text-header); }
.nav-link:hover { text-decoration: underline; }

/* =========================================
   Project palette utilities (Bootstrap-friendly)
   ========================================= */

.bg-project   { background-color: var(--project) !important;   color: var(--on-project) !important; }
.bg-project-1 { background-color: var(--project-1) !important; color: var(--on-project) !important; }
.bg-project-2 { background-color: var(--project-2) !important; color: var(--on-project) !important; }
.bg-project-3 { background-color: var(--project-3) !important; color: var(--on-project) !important; }
.bg-project-4 { background-color: var(--project-4) !important; color: var(--on-project) !important; }

.border-project   { border-color: var(--project) !important; }
.border-project-1 { border-color: var(--project-1) !important; }
.border-project-2 { border-color: var(--project-2) !important; }
.border-project-3 { border-color: var(--project-3) !important; }
.border-project-4 { border-color: var(--project-4) !important; }

.text-project   { color: var(--project) !important; }
.text-project-1 { color: var(--project-1) !important; }
.text-project-2 { color: var(--project-2) !important; }
.text-project-3 { color: var(--project-3) !important; }
.text-project-4 { color: var(--project-4) !important; }

/* Tlačítko, které sedí k paletě (funguje i bez BS) */
.btn-project {
  display: inline-block;
  background: var(--project);
  color: var(--on-project);
  border: 1px solid var(--project);
  padding: .55rem .9rem;
  border-radius: .6rem;
  text-decoration: none;
}
.btn-project:hover { filter: brightness(0.95); color: var(--on-project); }

/* Jemné “badge” použití */
.badge-project {
  display: inline-block;
  background: var(--project);
  color: var(--on-project);
  padding: .2rem .5rem;
  border-radius: 999px;
  font-size: .85rem;
}

/* =========================================
   Minimalist layout bits
   (container/nav/cms/breadcrumbs)
   ========================================= */

/*
  Pozn.: Pokud později nahodíš Bootstrap, jeho `.container` tohle obvykle přepíše.
  Pokud chceš sjednocenou šířku i s Bootstrapem, nech to takhle (je to záměrně jednoduché).
*/
.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  color: var(--text-header);
}

.nav-list {
  display: flex;
  gap: 16px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--text-header);
}

/* =========================
   BREADCRUMBS
   ========================= */

.breadcrumbs {
  font-size: 0.9rem;
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0;
  margin: 0;
}

.breadcrumbs li::after {
  content: "›";
  margin: 0 0.4rem;
  color: var(--text-muted);
  opacity: 0.8;
}

.breadcrumbs li:last-child::after { content: ""; }

.breadcrumbs a { text-decoration: none; }

/* =========================
   ARTICLES
   ========================= */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.article-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.article-card h3 {
  font-size: 1.1rem;
  line-height: 1.3;
  margin: 0.5rem 0 0;
}

.article-card .muted {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.article-card a {
  text-decoration: none;
  color: inherit;
}

.article-card a:hover h3 { text-decoration: underline; }

.btn-small {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: underline;
}

/* =========================
   GALLERY
   ========================= */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.gallery-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gallery-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.gallery-card h3 {
  font-size: 1rem;
  margin: 0.4rem 0 0;
}

.gallery-card .muted {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.gallery-card a {
  text-decoration: none;
  color: inherit;
}

.gallery-card a:hover h3 { text-decoration: underline; }

/* =========================
   GALLERY CATEGORIES / TAGS
   ========================= */

.gallery-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 1rem;
}

.gallery-cats .tag {
  font-size: 0.85rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border-base);
  border-radius: 999px;
  background: transparent;
  color: var(--text-body);
}

/* =========================
   LIGHTBOX (no dependencies)
   ========================= */

.lb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.lb-thumb {
  display: block;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-base);
  background: rgba(0,0,0,0.02);
}

.lb-thumb img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.lb-dialog {
  border: none;
  padding: 0;
  background: transparent;
  max-width: min(96vw, 1200px);
  max-height: 92vh;
}

.lb-dialog::backdrop {
  background: rgba(0,0,0,0.78);
}

.lb-wrap {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.16);
}

.lb-img {
  display: block;
  max-width: 96vw;
  max-height: 86vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  background: rgba(0,0,0,0.15);
}

.lb-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.lb-close:hover { filter: brightness(1.1); }

.lb-prev, .lb-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 54px;
  height: 54px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(0,0,0,0.45);
  color: #fff;
  font-size: 28px;
  cursor: pointer;
}

.lb-prev { left: 10px; }
.lb-next { right: 10px; }

.lb-prev:hover, .lb-next:hover { filter: brightness(1.1); }

.lb-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  color: rgba(255,255,255,0.92);
  background: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0));
  font-size: 0.95rem;
}

form .form-row { margin-top: 12px; display:flex; flex-direction:column; gap:6px; }
input, textarea { padding: .6rem .7rem; border: 1px solid var(--border-base); border-radius: .5rem; }
.alert { padding: .6rem .8rem; border-radius: .5rem; margin-top: .5rem; border: 1px solid var(--border-base); }
.alert-success { border-color: #86efac; }
.alert-error, .alert-danger { border-color: #fca5a5; }

/* --- Navbar dual-mode (Bootstrap + fallback) --- */
#site-header {
  background: var(--bg-header);
  color: var(--text-header);
}

#site-header .navbar-brand,
#site-header .nav-link {
  color: var(--text-header);
}

#site-header .nav-link:hover {
  color: var(--nav-hover);
  background: var(--nav-hover-bg);
}

/* Bootstrap toggler icon visibility on dark headers */
#site-header .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.25);
}
#site-header .navbar-toggler-icon {
  filter: invert(1);
}

/* Fallback layout when Bootstrap isn't loaded */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.nav-item { margin: 0; }
.nav-link { text-decoration: none; }

/* --- Dropdowns without Bootstrap JS (progressive enhancement) --- */
.nav-item-has-children { position: relative; }

.nav-dd { position: relative; }
.nav-dd > summary { list-style: none; cursor: pointer; }
.nav-dd > summary::-webkit-details-marker { display: none; }

/* summary se tváří jako link */
.nav-dd-summary { user-select: none; }

/* menu skryté, ukáže se když je details open / hover / focus */
.nav-dd-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  z-index: 1000;
  margin: 0;
  padding: 8px 0;
  border-radius: 10px;
}

.nav-dd[open] > .nav-dd-menu,
.nav-item-has-children:hover .nav-dd-menu,
.nav-item-has-children:focus-within .nav-dd-menu {
  display: block;
}

/* nested */
.nav-dd-nested { width: 100%; }
.nav-dd-sub { position: relative; }
.nav-dd-sub > .nav-dd-nested > .nav-dd-menu {
  top: 0;
  left: 100%;
}

/* fallback styl (Bootstrapu moc nevadí) */
.nav-dd-menu {
  background: rgba(15, 15, 18, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 18px 45px rgba(0,0,0,0.35);
}

.nav-dd-menu a.dropdown-item,
.nav-dd-menu .dropdown-item {
  display: block;
  padding: 8px 14px;
  text-decoration: none;
  white-space: nowrap;
}

.nav-dd-menu a.dropdown-item:hover,
.nav-dd-menu .dropdown-item:hover {
  background: rgba(255, 255, 255, 0.08);
}

/* mobile: bez absolutního pozicování */
@media (max-width: 991px) {
  .nav-dd-menu {
    position: static;
    display: block;
    min-width: 0;
    padding: 0 0 8px 0;
    border: 0;
    box-shadow: none;
    background: transparent;
  }
  .nav-dd-menu a.dropdown-item,
  .nav-dd-menu .dropdown-item {
    padding-left: 24px;
  }
  .nav-dd-sub > .nav-dd-nested > .nav-dd-menu {
    left: 0;
  }
}

/* --- Dropdown menu colors (theme tokens) --- */
.nav-dd-menu {
  background: var(--dropdown-bg);
  border: 1px solid var(--dropdown-border);
  box-shadow: 0 18px 45px rgba(0,0,0,0.12);
}

.nav-dd-menu .dropdown-item,
.nav-dd-menu a.dropdown-item {
  color: var(--dropdown-text);
}

.nav-dd-menu .dropdown-item:hover,
.nav-dd-menu a.dropdown-item:hover,
.nav-dd-menu .dropdown-item:focus,
.nav-dd-menu a.dropdown-item:focus {
  background: var(--dropdown-hover-bg);
}

/* aby summary/parent vypadalo jako normální link i bez bootstrapu */
.nav-dd-summary {
  color: inherit;
}

/* volitelně: malá šipka, ať uživatel ví, že je to rozbalovací */
.nav-dd > summary::after {
  content: "▾";
  display: inline-block;
  margin-left: 8px;
  opacity: 0.7;
  font-size: 0.9em;
}

.faq { display: grid; gap: 12px; margin-top: 16px; }
.faq-item { border: 1px solid var(--border-base); border-radius: 12px; padding: 10px 12px; background: rgba(0,0,0,0.02); }
.faq-q { cursor: pointer; font-weight: 600; }
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after { content: "▾"; float: right; opacity: 0.6; }
.faq-item[open] .faq-q::after { content: "▴"; }
.faq-a { margin-top: 10px; }

/* --- Preview banner --- */
.preview-banner {
  position: sticky;
  top: 0;
  z-index: 1200;
  background: var(--project);
  color: var(--on-project);
  border-bottom: 1px solid rgba(0,0,0,0.12);
  padding: 8px 0;
}

.preview-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.preview-left {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.preview-muted {
  opacity: 0.9;
}

.preview-url {
  font-size: 0.9rem;
  opacity: 0.95;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(56vw, 720px);
}

/* Language switcher (Bootstrap + fallback) */
.lang-switch { display: inline-block; }

.lang-select {
  width: auto;
  min-width: 160px;
  padding-right: 2.1rem; /* místo pro šipku */
  border-radius: 999px;
  border: 1px solid var(--border-base);
  background-color: rgba(255,255,255,0.06);
  color: var(--text-header);
}

/* Když je header světlý, ať select nevypadá jak duch */
#site-header .lang-select {
  background-color: rgba(0,0,0,0.03);
  border-color: rgba(0,0,0,0.12);
}

/* Hover / focus */
.lang-select:hover { border-color: rgba(255,255,255,0.35); }
#site-header .lang-select:hover { border-color: rgba(0,0,0,0.25); }

.lang-select:focus {
  outline: none;
  box-shadow: 0 0 0 .2rem rgba(30, 64, 175, 0.18); /* jemný ring */
}

/* Fallback pro prohlížeče: trochu zkrotit default šipku */
.lang-select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 50%,
    calc(100% - 12px) 50%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}