/* ============================================================
   Wikipedia-like encyclopedia layout – ОПТИМИЗИРАНА ВЕРСИЯ
   ============================================================ */

:root {
  --bg: #f8f9fa;
  --paper: #ffffff;
  --border: #a2a9b1;
  --text: #202122;
  --muted: #5f6368;
  --link: #0645ad;
  --link-hover: #0b0080;
  --accent: #f5f5f5;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 18px 36px rgba(0, 0, 0, 0.2);
  --transition: 0.2s ease;
}

/* ----- RESET & БАЗА ----- */
* {
  box-sizing: border-box;
}

html {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

/* За хора с намалено движение – премахваме анимациите */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f7f9fc 0%, #eef4f9 100%);
}

/* ----- СКРИТИ ЕЛЕМЕНТИ (само за четци) ----- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----- SKIP LINK (достъпност) ----- */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link:focus-visible {
  position: fixed;
  top: 1rem;
  left: 1rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  background: var(--link);
  color: #fff;
  z-index: 1000;
  clip: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 4px rgba(6, 69, 173, 0.25);
  font-weight: 600;
}

/* ----- ЛИНКОВЕ ----- */
a {
  color: var(--link);
  text-decoration: none;
}
a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

/* ----- СТРАНИЦА (обвивка) ----- */
#page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
}

/* ----- ХЕДЪР ----- */
#top {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.site-title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1rem;
}
.site-title a {
  color: var(--text);
  font-size: 2rem;
  font-weight: 700;
}
.site-tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ----- ТЪРСАЧКА (десктоп) ----- */
.searchbox-wrapper {
  display: block;
}

.searchbox {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.searchbox input[type="search"] {
  flex: 1 1 220px;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.searchbox input[type="search"]:focus {
  border-color: var(--link);
  box-shadow: 0 0 0 3px rgba(6, 69, 173, 0.15);
  outline: none;
}
.searchbox button {
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #f8f9fa;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.searchbox button:hover {
  background: #ebeff2;
}
.searchbox button:focus-visible {
  outline: 3px solid rgba(6, 69, 173, 0.65);
  outline-offset: 2px;
}

/* ----- БУТОН ЗА РАЗКРИВАНЕ НА ТЪРСАЧКАТА (скрит на десктоп) ----- */
.search-toggle {
  display: none; /* скрит на десктоп */
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.6rem;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background var(--transition);
}
.search-toggle:hover {
  background: var(--accent);
}

/* ----- РЕЗУЛТАТИ ОТ ТЪРСЕНЕТО ----- */
.search-results {
  margin-top: 0.75rem;
  padding: 0.85rem 1rem;
  background: #eef4ff;
  border: 1px solid #bbe0ff;
  border-radius: var(--radius-md);
  color: #0f3f6f;
  font-size: 0.95rem;
}

/* ----- ДЖАДЖА ЗА СЛУЧАЕН ВЛАДЕТЕЛ ----- */
.random-ruler-widget {
  margin-top: 1rem;
  display: grid;
  gap: 0.75rem;
}

.random-ruler-button {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1rem;
  background: var(--link);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition),
    box-shadow var(--transition);
}
.random-ruler-button:hover {
  background: #0b5ed7;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.random-ruler-button:focus-visible {
  outline: 3px solid rgba(6, 69, 173, 0.65);
  outline-offset: 3px;
}

.random-ruler-card {
  border: 1px solid var(--border);
  background: var(--paper);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  color: var(--text);
  animation: fadeInUp 0.4s ease forwards;
  overflow: hidden;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.random-ruler-card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}
.random-ruler-card p {
  margin: 0 0 0.75rem;
  line-height: 1.5;
}
.random-ruler-card strong {
  color: var(--text);
}

/* ----- ХАЙЛАЙТ (търсене) ----- */
.search-highlight {
  background: #ffe58d;
  padding: 0 0.1rem;
  border-radius: 0.25rem;
  box-decoration-break: clone;
}

/* ----- ОСНОВНО ТЕЛО (grid) ----- */
.mw-body {
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 1.5rem;
}

/* ----- СТРАНИЧНА НАВИГАЦИЯ ----- */
.mw-sidebar {
  background: var(--paper);
  padding: 1rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  overflow: auto;
}
.mw-sidebar h2 {
  margin-top: 0;
  font-size: 1rem;
  color: var(--text);
}
.mw-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
}
.mw-sidebar li {
  margin-bottom: 0.5rem;
}

/* ----- НАВИГАЦИОННИ БУТОНИ ----- */
.mw-sidebar li a {
  display: block;
  padding: 0.9rem 1rem;
  color: #fff;
  border-radius: var(--radius-lg);
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition),
    filter var(--transition);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  text-decoration: none;
  text-align: center;
  min-height: 3rem;
  line-height: 1.35;
  letter-spacing: 0.02em;
}
.mw-sidebar li a:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow-lg);
  filter: brightness(1.05);
}
.mw-sidebar li a:focus-visible {
  outline: 3px solid rgba(6, 69, 173, 0.65);
  outline-offset: 3px;
}
.mw-sidebar li a[aria-current="page"] {
  background: linear-gradient(135deg, #0645ad, #072a66) !important;
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.85), var(--shadow-lg);
  transform: translateY(-2px);
}

/* ----- СПЕЦИФИЧНИ ФОНОВЕ ЗА БУТОНИТЕ ----- */
.mw-sidebar li a[href="#introduction"] {
  background: radial-gradient(circle at top left, rgba(255, 241, 196, 0.95), rgba(215, 171, 79, 0.95)), linear-gradient(135deg, #b3884a 0%, #6f4d10 100%);
}
.mw-sidebar li a[href="#early-history"] {
  background: linear-gradient(135deg, #6d4c41 0%, #a1887f 100%);
}
.mw-sidebar li a[href="#first-bulgarian-empire"] {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85), rgba(220, 200, 180, 0.8)), url('images/first-bulgaria.svg') no-repeat center right / cover;
  color: #000 !important;
  text-shadow: none;
}
.mw-sidebar li a[href="Second Bulgarian Empire.html"] {
  background: linear-gradient(135deg, rgba(40, 53, 147, 0.8), rgba(92, 107, 192, 0.8)), url('images/second-bulgaria.svg') no-repeat center right / 60% 60%;
}
.mw-sidebar li a[href="Wallachia.html"] {
  background: linear-gradient(135deg, rgba(82, 48, 29, 0.85), rgba(165, 124, 43, 0.9)), url('images/wallachia.svg') no-repeat center right / 55% 55%;
}
.mw-sidebar li a[href="Odrysian Kingdom.html"] {
  background: linear-gradient(135deg, rgba(92, 61, 41, 0.9), rgba(208, 155, 86, 0.9)), url('images/odrysian.svg') no-repeat center right / 55% 55%;
}
.mw-sidebar li a[href="macedonian-empire.html"] {
  background: linear-gradient(135deg, rgba(79, 38, 48, 0.9), rgba(168, 97, 77, 0.9)), url('images/macedonia.svg') no-repeat center right / 55% 55%;
}
.mw-sidebar li a[href="volga-bulgaria.html"] {
  background: linear-gradient(135deg, rgba(8, 57, 89, 0.9), rgba(80, 145, 188, 0.9)), url('images/volga.svg') no-repeat center right / 55% 55%;
}
.mw-sidebar li a[href="Old Great Bulgaria.html"] {
  background: linear-gradient(135deg, rgba(22, 10, 4, 0.92), rgba(97, 72, 32, 0.92)), url('images/staro-velika.svg') no-repeat center right / 55% 55%;
  background-blend-mode: multiply;
}
.mw-sidebar li a[href="#ottoman-period"] {
  background: linear-gradient(135deg, #5d4037 0%, #a1887f 100%);
}
.mw-sidebar li a[href="#modern-history"] {
  background: linear-gradient(135deg, #2e7d32 0%, #81c784 100%);
}

/* ----- ЧАТ В СТРАНИЧНАТА ЛЕНТА ----- */
#chatango-container {
  margin-top: 1.5rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  width: 100%;
  max-width: 100%;
}
#chatango-container iframe,
#chatango-container object {
  width: 100% !important;
  height: 350px !important;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

/* ----- ОСНОВНО СЪДЪРЖАНИЕ ----- */
.mw-content {
  background: var(--paper);
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  scroll-margin-top: 1.5rem;
}

.mw-page-header {
  margin-bottom: 1rem;
}
.mw-page-header h1 {
  margin: 0 0 0.5rem;
  font-size: 2.25rem;
}

/* ----- ХАТНОТ ----- */
.hatnote {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.45rem 0.75rem;
  background: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.95rem;
}

/* ----- ИНФОБОКС ----- */
.infobox {
  float: right;
  width: 240px;
  margin: 0 0 1rem 1rem;
  border: 1px solid var(--border);
  background: #f8f8f8;
  font-size: 0.95rem;
  line-height: 1.4;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
}
.infobox table {
  width: 100%;
  border-collapse: collapse;
}
.infobox th,
.infobox td {
  padding: 0.55rem;
  border-bottom: 1px solid #dfe1e4;
}
.infobox th {
  background: #e9ecef;
  font-weight: 600;
  text-align: left;
}
.infobox caption {
  font-weight: 700;
  margin-bottom: 0.5rem;
  padding: 0.55rem;
  background: #e9ecef;
  border-bottom: 1px solid #dfe1e4;
}

/* ----- СЪДЪРЖАНИЕ (TOC) ----- */
.toc {
  background: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}
.toc h2 {
  margin-top: 0;
  font-size: 1rem;
}
.toc ol,
.toc ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}
.toc li {
  margin-bottom: 0.4rem;
}

/* ----- ЗАГЛАВИЯ В СТАТИЯТА ----- */
.mw-content h2 {
  border-bottom: 1px solid #dfe1e4;
  padding-bottom: 0.4rem;
  margin-top: 1.8rem;
}
.mw-content h3 {
  margin-top: 1.4rem;
}
.mw-content ul,
.mw-content ol {
  margin: 0.5rem 0 1rem 1.25rem;
}
.mw-content blockquote {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border-left: 4px solid #dfe1e4;
  background: #f8f8f8;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ----- КАРТИ / ФИГУРИ ----- */
.map-figure {
  margin: 1.5rem 0;
  padding: 0.9rem;
  background: #f7f8fb;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.map-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}
.map-figure figcaption {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ----- ИЗТОЧНИЦИ ----- */
.references {
  margin-top: 2rem;
}
.references ol {
  padding-left: 1.25rem;
}

/* ----- ФУТЪР ----- */
footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}

/* ============================================================
   RESPONSIVE (до 900px) – МОБИЛНИ ОПТИМИЗАЦИИ
   ============================================================ */
@media (max-width: 900px) {
  .mw-body {
    grid-template-columns: 1fr;
  }
  .mw-sidebar {
    position: static;
    max-height: none;
    padding: 1rem;
  }
  .mw-sidebar li a {
    min-height: auto;
    padding: 0.85rem 0.95rem;
  }

  /* ----- ЗАГЛАВИЕ И ТАГЛИН ----- */
  .site-title {
    gap: 0.5rem;
  }
  .site-title a {
    font-size: 1.5rem; /* по-малко */
  }
  .site-tagline {
    font-size: 0.75rem;
    margin-top: 0.2rem;
  }

  /* ----- ТЪРСАЧКА – скрита, показва се само бутон с лупа ----- */
  .search-toggle {
    display: inline-block; /* показваме на мобилни */
    margin-left: auto;     /* избутваме вдясно */
    align-self: center;
  }
  .searchbox-wrapper {
    display: none;        /* скрита по подразбиране */
    width: 100%;
    margin-top: 0.5rem;
  }
  .searchbox-wrapper.open {
    display: block;       /* показва се при добавяне на клас .open */
  }

  .searchbox {
    flex-direction: column;
    gap: 0.4rem;
    margin-top: 0;
  }
  .searchbox input[type="search"] {
    width: 100%;
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
    min-height: 2.2rem;
  }
  .searchbox button {
    width: 100%;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }

  /* ----- РЕЗУЛТАТИ ОТ ТЪРСЕНЕТО (по-компактни) ----- */
  .search-results {
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    margin-top: 0.4rem;
  }

  /* ----- ИНФОБОКС ----- */
  .infobox {
    float: none;
    width: 100%;
    margin: 0 0 1rem;
  }

  /* ----- ЧАТ – по-нисък на мобилни ----- */
  #chatango-container iframe,
  #chatango-container object {
    height: 280px !important;
  }
}

/* ============================================================
   PRINT СТИЛОВЕ
   ============================================================ */
@media print {
  #top,
  .mw-sidebar,
  .random-ruler-widget,
  .search-results,
  .searchbox,
  .toc,
  footer,
  .skip-link {
    display: none !important;
  }
  .mw-body {
    display: block !important;
  }
  .mw-content {
    border: none !important;
    padding: 0 !important;
    background: #fff !important;
  }
  .infobox {
    float: right !important;
    width: 200px !important;
    margin: 0 0 1rem 1rem !important;
    border: 1px solid #aaa !important;
    box-shadow: none !important;
  }
  a {
    color: #000 !important;
    text-decoration: underline !important;
  }
  .mw-content h2 {
    page-break-after: avoid;
  }
  .mw-content section {
    page-break-inside: avoid;
  }
}

/* ===== HYPHOTHESIS БРОЯЧИ ===== */
.hypothesis-counter {
  color: #0645ad;
  font-size: 0.7rem;
  font-weight: bold;
  margin-left: 2px;
  cursor: pointer;
  background-color: #eef4ff;
  padding: 0 4px;
  border-radius: 10px;
  border: 1px solid #0645ad;
  line-height: 1.4;
  transition: background 0.2s, transform 0.2s;
  display: inline-block;
  user-select: none;
  font-family: inherit;
}
.hypothesis-counter:hover {
  background-color: #d4e4ff;
  transform: scale(1.1);
}
.hypothesis-counter:active {
  transform: scale(0.95);
}

/* Маркиран текст (жълт фон) */
.hypothesis-highlighted-text {
  background-color: #ffd;
  border-radius: 2px;
  padding: 0 2px;
}
/* === ЗАДЪЛЖИТЕЛНО ТЪМЕН ФОН ЗА БУТОН "ПЪРВА БЪЛГАРСКА ДЪРЖАВА" === */
.mw-sidebar li a[href="#first-bulgarian-empire"],
.mw-sidebar li a[href="index.html#first-bulgarian-empire"] {
  background: linear-gradient(135deg, #4a2c1a, #1f1108) !important;
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7) !important;
  border: none !important;
}

/* Ако искате да запазите картинката, използвайте това: */
/*
.mw-sidebar li a[href="#first-bulgarian-empire"],
.mw-sidebar li a[href="index.html#first-bulgarian-empire"] {
  background: linear-gradient(135deg, rgba(30, 20, 10, 0.9), rgba(60, 40, 20, 0.85)), url('images/first-bulgaria.svg') no-repeat center right / cover !important;
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7) !important;
}
*/

/* За да не става бял дори при активна страница (aria-current) */
.mw-sidebar li a[href="#first-bulgarian-empire"][aria-current="page"],
.mw-sidebar li a[href="index.html#first-bulgarian-empire"][aria-current="page"] {
  background: linear-gradient(135deg, #2a1a0f, #0d0805) !important;
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7) !important;
  box-shadow: inset 0 0 0 3px rgba(255, 255, 255, 0.5), 0 18px 36px rgba(0, 0, 0, 0.2) !important;
}
/* ===== ТЪМЕН СЛОЙ ВЪРХУ БУТОНИТЕ ЗА ПО-ДОБЪР КОНТРАСТ ===== */
.mw-sidebar li a {
  position: relative;
  z-index: 1;
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7) !important;
}

.mw-sidebar li a::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  border-radius: inherit;
  z-index: -1;
  transition: background 0.3s ease;
}

.mw-sidebar li a:hover::before {
  background: rgba(0, 0, 0, 0.35);
}

/* За активния бутон (aria-current) – запазваме синия фон, но добавяме тъмен слой отдолу */
.mw-sidebar li a[aria-current="page"]::before {
  background: rgba(0, 20, 60, 0.7) !important;
}