/* Styl a proměnné pro temný herní design */
:root {
  --bg-main: #0b0d12;
  --bg-card: #121620;
  --bg-hover: #191f2d;
  --border-color: #232a3a;
  --gold-accent: #d4af37;
  --gold-hover: #f3cf55;
  --text-primary: #e0e6ed;
  --text-muted: #8b96a5;
  --font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1400px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-family);
  line-height: 1.5;
}

/* Navigace */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #0d1017;
  padding: 0.8rem 2rem;
  border-bottom: 1px solid var(--border-color);
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-title {
  color: var(--gold-accent);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 1px;
}

.brand-sub {
  color: var(--text-primary);
  font-size: 0.9rem;
  border-left: 1px solid var(--border-color);
  padding-left: 0.5rem;
}

.nav-links {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
  display: none;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--gold-accent);
}

.search-box {
  position: relative;
  min-width: 180px;
}

.search-box input {
  width: 100%;
  padding: 0.4rem 2rem 0.4rem 0.8rem;
  background-color: #171c28;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: #fff;
  font-size: 0.85rem;
}

.search-box input:focus {
  outline: none;
  border-color: var(--gold-accent);
}

.search-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.8rem;
}

/* Hero sekce */
.hero-section {
  max-width: var(--max-width);
  margin: 2.5rem auto 1rem;
  padding: 0 2rem;
  text-align: center;
}

.hero-title {
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  background: linear-gradient(180deg, #fff7d6 0%, #d4af37 60%, #aa820a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 2px 8px rgba(212, 175, 55, 0.25));
}

.hero-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin: 0.8rem auto 1.2rem;
  max-width: 300px;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-accent), transparent);
}

.divider-icon {
  color: var(--gold-accent);
  font-size: 0.8rem;
  filter: drop-shadow(0 0 4px var(--gold-accent));
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 400;
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.6;
}

.hero-subtitle span {
  color: var(--text-primary);
  font-weight: 600;
}

/* Banner s obrázkem */
.banner-image-container {
  max-width: var(--max-width);
  margin: 1.5rem auto;
  padding: 0 2rem;
}

.banner-frame {
  position: relative;
  border: 2px solid var(--gold-accent);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 25px rgba(212, 175, 55, 0.3);
  height: 420px;
  background-color: #0d1017;
}

.banner-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 45%;
  filter: contrast(1.05) brightness(0.95);
  transition: transform 0.5s ease;
}

.banner-frame:hover .banner-image {
  transform: scale(1.02);
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top, 
    rgba(11, 13, 18, 0.85) 0%, 
    rgba(11, 13, 18, 0.2) 40%, 
    transparent 100%
  );
  display: flex;
  align-items: flex-end;
  padding: 2rem;
}

.banner-caption h2 {
  color: var(--gold-accent);
  font-size: 1.6rem;
  letter-spacing: 2px;
  text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.9);
  margin-bottom: 0.2rem;
}

.banner-caption p {
  color: var(--text-primary);
  font-size: 0.95rem;
  text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.9);
}

/* Hlavní container */
.main-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem 3rem;
}

/* Mřížka 7 karet */
.cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.2rem;
  max-width: var(--max-width);
  margin: 2rem auto;
}

/* Karta hlavní stránky */
.card {
  position: relative;
  background: linear-gradient(180deg, #151a24 0%, #0d1017 100%);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 10px;
  padding: 1.2rem 0.8rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: center;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--gold-accent);
  box-shadow: 0 8px 25px rgba(212, 175, 55, 0.2);
}

.card-content {
  display: block;
  position: static;
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}

.card-icon {
  color: var(--gold-accent);
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  filter: drop-shadow(0 0 6px rgba(212, 175, 55, 0.3));
}

.card-title {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 1rem;
  min-height: 2.4em;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem 0;
}

.cards-container .card-list {
  margin-bottom: 0;
}

.card-list li {
  color: #a0a6b5;
  font-size: 0.82rem;
  margin-bottom: 0.4rem;
  transition: color 0.2s ease;
}

.card:hover .card-list li {
  color: #d1d5db;
}

.card-button {
  background: linear-gradient(180deg, #d4af37 0%, #aa820a 100%);
  color: #0b0d12;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 1px;
  border: none;
  border-radius: 6px;
  padding: 0.6rem 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
  width: 100%;
}

.card-button:hover {
  background: linear-gradient(180deg, #ffe082 0%, #d4af37 100%);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
  transform: scale(1.02);
}

/* Spodní sekce widgetů */
.bottom-widgets-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  max-width: var(--max-width);
  margin: 2rem auto 3rem;
}

.widget-card {
  background: linear-gradient(180deg, #151a24 0%, #0d1017 100%);
  border: 1px solid rgba(212, 175, 55, 0.25);
  border-radius: 10px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

.widget-card:hover {
  border-color: var(--gold-accent);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.15);
}

.widget-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid rgba(212, 175, 55, 0.15);
  padding-bottom: 0.8rem;
}

.widget-icon {
  color: var(--gold-accent);
  font-size: 1.2rem;
}

.widget-header h3 {
  color: var(--gold-accent);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.steps-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem 0;
}

.steps-list li {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: #c0c6d4;
  font-size: 0.85rem;
  margin-bottom: 0.5rem;
}

.step-num {
  background: rgba(212, 175, 55, 0.15);
  color: var(--gold-accent);
  border: 1px solid rgba(212, 175, 55, 0.4);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: bold;
  flex-shrink: 0;
}

.gold-btn {
  background: linear-gradient(180deg, #d4af37 0%, #aa820a 100%);
  color: #0b0d12;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 1px;
  border: none;
  border-radius: 6px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.gold-btn:hover {
  background: linear-gradient(180deg, #ffe082 0%, #d4af37 100%);
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.5);
}

.btn-full {
  width: 100%;
}

.search-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1rem;
  margin-bottom: 1rem;
}

.search-link {
  color: #9aa2b1;
  text-decoration: none;
  font-size: 0.83rem;
  transition: color 0.2s ease;
}

.search-link:hover {
  color: #ffffff;
}

.search-link.highlighted {
  color: var(--gold-accent);
  font-weight: 600;
}

.links-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.action-link-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 0.6rem 0.9rem;
  color: #c0c6d4;
  text-decoration: none;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transition: all 0.2s ease;
}

.action-link-btn i {
  color: var(--gold-accent);
}

.action-link-btn:hover {
  background: rgba(212, 175, 55, 0.1);
  border-color: rgba(212, 175, 55, 0.4);
  color: #ffffff;
  transform: translateX(4px);
}

.discord-card {
  text-align: center;
  justify-content: center;
  background: linear-gradient(180deg, #181f2f 0%, #0d1017 100%);
  border-color: rgba(88, 101, 242, 0.4);
}

.discord-card:hover {
  border-color: #5865f2;
  box-shadow: 0 6px 20px rgba(88, 101, 242, 0.3);
}

.discord-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}

.discord-big-icon {
  font-size: 2.8rem;
  color: #5865f2;
  filter: drop-shadow(0 0 8px rgba(88, 101, 242, 0.5));
}

.discord-card h3 {
  color: #ffffff;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.discord-card p {
  color: #a0a6b5;
  font-size: 0.85rem;
  line-height: 1.4;
}

.discord-card p strong {
  color: var(--gold-accent);
}

.discord-btn {
  background: #5865f2;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 6px;
  padding: 0.75rem 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.5rem;
  transition: all 0.2s ease;
  box-shadow: 0 3px 10px rgba(88, 101, 242, 0.4);
  width: 100%;
  justify-content: center;
}

.discord-btn:hover {
  background: #4752c4;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(88, 101, 242, 0.6);
}

footer {
  background: #08090d;
  border-top: 1px solid rgba(212, 175, 55, 0.25);
  padding: 25px;
  margin-top: 50px;
  color: #8b9bb4;
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--gold-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
}

/* STROM VÝZKUMU - ODDĚLENÁ TŘÍDA PRO VYSKAKOVACÍ KARTOU (PŘEJMÉNOVÁNO Z .card-content) */
.tree-card {
  position: relative;
}

.tree-card-dropdown {
  position: absolute;
  top: 105%;
  left: 50%;
  transform: translateX(-50%);
  width: 420px;
  max-width: 90vw;
  background: #0f172a;
  border: 1px solid #d97706;
  border-radius: 8px;
  padding: 15px;
  z-index: 200;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
}

@media (max-width: 768px) {
  .hero-title { font-size: 1.5rem; }
  .navbar { padding: 0.8rem 1rem; }
  .banner-image-container, .main-container { padding: 0 1rem; }
  .banner-frame { height: 260px; }
}

/* ==========================================
   OPRAVA PRO STRÁNKU STROM VÝZKUMU (vyzkum.html)
   ========================================== */

.game-tree {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 30px !important;
  padding: 20px 0 !important;
  width: 100% !important;
}

.tree-row {
  display: flex !important;
  flex-direction: row !important;
  justify-content: center !important;
  align-items: flex-start !important;
  gap: 25px !important;
  width: 100% !important;
  flex-wrap: wrap !important;
}

.tree-card {
  position: relative !important;
  background: #111827 !important;
  border: 1px solid #d97706 !important;
  border-radius: 8px !important;
  width: 160px !important;
  padding: 10px !important;
  cursor: pointer !important;
  user-select: none !important;
  box-sizing: border-box !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center !important;
}

.tree-card:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 4px 15px rgba(217, 119, 6, 0.4) !important;
}

.tree-card summary {
  list-style: none !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  width: 100% !important;
}

.tree-card summary::-webkit-details-marker,
.tree-card summary::marker {
  display: none !important;
}

.card-img-wrapper {
  width: 50px !important;
  height: 50px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin-bottom: 8px !important;
}

.card-img-wrapper img,
.tree-card img {
  max-width: 50px !important;
  max-height: 50px !important;
  object-fit: contain !important;
}

/* Oprava nadpisů a textu v kartě */
.tree-card h3, 
.tree-card .card-title {
  font-size: 0.85rem !important;
  font-weight: bold !important;
  color: #f3f4f6 !important;
  margin: 6px 0 4px 0 !important;
  line-height: 1.2 !important;
}

.tree-card p {
  font-size: 0.75rem !important;
  color: #9ca3af !important;
  margin: 0 !important;
}

/* Rozbalovací detail pod kartou */
.tree-card details[open] .tree-card-dropdown,
.tree-card .card-content {
  position: absolute !important;
  top: 105% !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: 380px !important;
  max-width: 90vw !important;
  background: #0f172a !important;
  border: 1px solid #d97706 !important;
  border-radius: 8px !important;
  padding: 15px !important;
  z-index: 200 !important;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9) !important;
  text-align: left !important;
}

/* ==========================================
   OPRAVA PŘEKRÝVÁNÍ ROZBALOVACÍCH TABULEK (MODAL OVERLAY)
   ========================================== */

/* 1. Vytvoření modal okna uprostřed obrazovky přes všechny vrstvy */
.tree-card details[open] .tree-card-dropdown,
.tree-card details[open] .card-content,
.tree-card .card-content {
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  width: 90% !important;
  max-width: 500px !important;
  max-height: 85vh !important;
  overflow-y: auto !important;
  z-index: 99999 !important;
  background-color: #0f172a !important;
  border: 2px solid #d97706 !important;
  border-radius: 10px !important;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75), 0 10px 30px rgba(0, 0, 0, 0.9) !important;
  padding: 20px !important;
}

/* 2. Zajištění, že samotné karty ve stromu nebudou měnit svou pozici */
.tree-card {
  position: relative !important;
  z-index: 1 !important;
}

/* 3. Vzhled tabulky uvnitř okna, aby nepřetékala */
.tree-card-dropdown table,
.card-content table {
  width: 100% !important;
  border-collapse: collapse !important;
  margin-top: 10px !important;
}

.tree-card-dropdown th,
.tree-card-dropdown td,
.card-content th,
.card-content td {
  padding: 8px 10px !important;
  text-align: left !important;
  border-bottom: 1px solid #1e293b !important;
  font-size: 0.85rem !important;
}

.tree-card-dropdown th,
.card-content th {
  color: #fbbf24 !important;
  background: #1e293b !important;
  position: sticky !important;
  top: 0 !important;
}


/* =========================================================
   KOMPLETNÍ RESTART A FIX PRO STRÁNKU STROM VÝZKUMU (vyzkum.html)
   ========================================================= */

/* Hlavní kontejner stromu */
.game-tree {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 25px !important;
  padding: 30px 10px !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

/* Řada karet umístěných vedle sebe */
.tree-row {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap !important;
  justify-content: center !important;
  align-items: stretch !important;
  gap: 20px !important;
  width: 100% !important;
  max-width: 1200px !important;
}

/* Vzhled jednotlivé karty */
.tree-card {
  position: relative !important;
  display: flex !important;
  flex-direction: column !important;
  width: 200px !important;
  min-width: 180px !important;
  background-color: #111827 !important;
  border: 1px solid #d97706 !important;
  border-radius: 8px !important;
  padding: 12px !important;
  box-sizing: border-box !important;
  cursor: pointer !important;
  color: #f3f4f6 !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.tree-card:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 4px 20px rgba(217, 119, 6, 0.35) !important;
}

/* Odstranění výchozích šipek elementu <details> a reset hlavičky */
.tree-card summary {
  list-style: none !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center !important;
  width: 100% !important;
  outline: none !important;
}

.tree-card summary::-webkit-details-marker,
.tree-card summary::marker {
  display: none !important;
  content: "" !important;
}

/* Úprava velikosti obrázků v kartě */
.tree-card img,
.tree-card .card-img-wrapper img {
  width: 50px !important;
  height: 50px !important;
  max-width: 50px !important;
  max-height: 50px !important;
  object-fit: contain !important;
  margin: 0 auto 8px auto !important;
  display: block !important;
}

/* Texty v kartách */
.tree-card h3,
.tree-card .card-title,
.tree-card summary strong {
  font-size: 0.95rem !important;
  font-weight: 700 !important;
  color: #fbbf24 !important;
  margin: 4px 0 !important;
  line-height: 1.2 !important;
}

.tree-card p {
  font-size: 0.78rem !important;
  color: #9ca3af !important;
  margin: 4px 0 0 0 !important;
  line-height: 1.3 !important;
}

/* Modální okno pro detail po rozbalení (kliknutí) */
.tree-card details[open] .tree-card-dropdown,
.tree-card details[open] .card-content,
.tree-card .tree-card-dropdown {
  position: fixed !important;
  top: 50% !important;
  left: 50% !important;
  transform: translate(-50%, -50%) !important;
  width: 90% !important;
  max-width: 520px !important;
  max-height: 80vh !important;
  overflow-y: auto !important;
  background-color: #0f172a !important;
  border: 2px solid #d97706 !important;
  border-radius: 10px !important;
  padding: 20px !important;
  z-index: 99999 !important;
  box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.75), 0 10px 30px rgba(0, 0, 0, 0.8) !important;
  text-align: left !important;
}

/* Tabulky v detailu výzkumu */
.tree-card-dropdown table,
.card-content table {
  width: 100% !important;
  border-collapse: collapse !important;
  margin-top: 12px !important;
}

.tree-card-dropdown th,
.tree-card-dropdown td,
.card-content th,
.card-content td {
  padding: 8px 10px !important;
  border-bottom: 1px solid #1e293b !important;
  font-size: 0.85rem !important;
  color: #e2e8f0 !important;
}

.tree-card-dropdown th,
.card-content th {
  background-color: #1e293b !important;
  color: #fbbf24 !important;
  font-weight: bold !important;
}


/* Výzkum – přehled Akademie */
.research-page .navbar { position: sticky; top: 0; z-index: 1000; }
.research-page .logo { text-decoration: none; white-space: nowrap; }
.research-shell { max-width: 1240px; margin: 0 auto; padding: 24px 28px 70px; }
.breadcrumbs { display: flex; align-items: center; gap: 10px; margin: 8px 0 26px; color: var(--text-muted); font-size: .82rem; }
.breadcrumbs a { color: var(--gold-accent); text-decoration: none; }
.breadcrumbs i { font-size: .6rem; }
.research-hero { display: flex; align-items: center; gap: 24px; padding: 30px; background: radial-gradient(circle at 0 0, rgba(212,175,55,.13), transparent 44%), linear-gradient(135deg,#151a24,#0d1017); border: 1px solid rgba(212,175,55,.35); border-radius: 12px; box-shadow: 0 12px 35px rgba(0,0,0,.25); }
.research-hero-icon { display: grid; place-items: center; width: 78px; height: 78px; flex: 0 0 78px; border: 1px solid rgba(212,175,55,.5); border-radius: 50%; color: var(--gold-accent); background: rgba(212,175,55,.08); font-size: 2rem; }
.research-kicker { color: var(--gold-accent); font-size: .72rem; font-weight: 800; letter-spacing: .24em; }
.research-hero h1 { margin: 2px 0 6px; color: #fff; font-size: clamp(2rem,4vw,3rem); line-height: 1.1; }
.research-hero p:last-child { max-width: 760px; color: #aab2c0; }
.research-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin: 28px 0; padding: 14px; background: #10141d; border: 1px solid var(--border-color); border-radius: 10px; }
.research-search { display: flex; align-items: center; gap: 10px; min-width: 260px; flex: 1; color: var(--text-muted); }
.research-search input { width: 100%; padding: 10px 4px; color: #fff; background: transparent; border: 0; outline: 0; font: inherit; }
.research-filters { display: flex; gap: 7px; flex-wrap: wrap; }
.research-filter { padding: 8px 13px; border: 1px solid #303849; border-radius: 6px; background: #171c28; color: #aab2c0; cursor: pointer; }
.research-filter:hover,.research-filter.active { color: #111; border-color: var(--gold-accent); background: var(--gold-accent); }
.research-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin: 32px 0 15px; }
.research-section-heading p { color: var(--gold-accent); font-size: .7rem; font-weight: 800; letter-spacing: .18em; }
.research-section-heading h2 { color: #fff; font-size: 1.35rem; }
.research-count { color: var(--text-muted); font-size: .8rem; }
.research-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.research-branch { min-width: 0; display: flex; align-items: center; gap: 15px; padding: 15px; background: linear-gradient(145deg,#151a24,#0e1118); border: 1px solid #252c3a; border-radius: 9px; transition: border-color .2s,transform .2s,box-shadow .2s; }
.research-branch:hover { transform: translateY(-2px); border-color: rgba(212,175,55,.55); box-shadow: 0 8px 22px rgba(0,0,0,.22); }
.research-branch[hidden] { display: none !important; }
details.research-branch { display: block; grid-column: 1/-1; padding: 0; border-color: rgba(212,175,55,.65); }
.research-branch summary { display: flex; align-items: center; gap: 15px; padding: 17px; list-style: none; cursor: pointer; }
.research-branch summary::-webkit-details-marker { display: none; }
.research-img-box { width: 58px; height: 58px; flex: 0 0 58px; display: grid; place-items: center; padding: 5px; background: #090c12; border: 1px solid #343c4c; border-radius: 8px; overflow: hidden; }
.research-img-box img { width: 100%; height: 100%; object-fit: contain; }
.research-branch-copy { min-width: 0; flex: 1; }
.research-branch-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.research-branch h3 { color: #f5f5f5; font-size: 1rem; }
.research-branch-copy > p { color: #929cab; font-size: .82rem; }
.status-ready,.status-soon { flex: 0 0 auto; padding: 3px 8px; border-radius: 999px; font-size: .65rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.status-ready { color: #86efac; background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.25); }
.status-soon { color: #b3bbc8; background: rgba(148,163,184,.08); border: 1px solid rgba(148,163,184,.18); }
.branch-arrow { color: var(--gold-accent); transition: transform .25s; }
details[open] > summary .branch-arrow { transform: rotate(180deg); }
.research-tree-host { padding: 18px; border-top: 1px solid #2a3140; background: #090c12; overflow-x: auto; }
.tree-loading,.tree-error { padding: 28px; color: var(--text-muted); text-align: center; }
.tree-loading i { margin-right: 8px; color: var(--gold-accent); }
.tree-error { color: #fca5a5; }
.research-empty { padding: 45px; color: var(--text-muted); text-align: center; border: 1px dashed #343c4c; border-radius: 9px; }

@media (max-width: 900px) {
  .research-page .navbar { position: static; flex-wrap: wrap; }
  .research-page .nav-links { order: 3; width: 100%; }
  .research-grid { grid-template-columns: 1fr; }
  details.research-branch { grid-column: auto; }
  .research-toolbar { align-items: stretch; flex-direction: column; }
}
@media (max-width: 560px) {
  .research-shell { padding: 18px 14px 50px; }
  .research-hero { align-items: flex-start; padding: 22px 18px; }
  .research-hero-icon { width: 52px; height: 52px; flex-basis: 52px; font-size: 1.25rem; }
  .research-search { min-width: 0; }
  .research-filters { display: grid; grid-template-columns: 1fr 1fr; }
  .research-branch-top { align-items: flex-start; flex-direction: column; gap: 5px; }
  .research-img-box { width: 48px; height: 48px; flex-basis: 48px; }
}

/* Nejnovější oficiální videa Total Battle */
.youtube-section{margin:2.5rem auto;padding:1.6rem;background:radial-gradient(circle at 90% 0,rgba(255,32,32,.12),transparent 35%),linear-gradient(145deg,#151a24,#0c0f15);border:1px solid rgba(212,175,55,.3);border-radius:12px;box-shadow:0 14px 35px rgba(0,0,0,.28)}
.youtube-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:1.25rem}.youtube-kicker{color:#ff4b4b;font-size:.7rem;font-weight:800;letter-spacing:.16em}.youtube-heading h2{color:#fff;font-size:1.65rem;margin:.15rem 0}.youtube-heading>div>p:last-child{color:var(--text-muted);font-size:.9rem}
.youtube-channel-btn,.youtube-watch-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 15px;border-radius:7px;text-decoration:none;font-weight:800;font-size:.78rem;white-space:nowrap;transition:.2s}.youtube-channel-btn{color:#fff;background:#ff0000}.youtube-channel-btn:hover,.youtube-watch-btn:hover{transform:translateY(-2px);filter:brightness(1.12)}
.youtube-feature{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(250px,.7fr);gap:20px;align-items:stretch}.youtube-player{position:relative;aspect-ratio:16/9;overflow:hidden;border:1px solid rgba(212,175,55,.35);border-radius:9px;background:#050609;box-shadow:0 8px 25px rgba(0,0,0,.45)}.youtube-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.youtube-info{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:22px;background:rgba(6,9,13,.65);border:1px solid rgba(255,255,255,.07);border-radius:9px}.youtube-new-badge{display:inline-flex;align-items:center;gap:7px;color:#ff6b6b;font-size:.65rem;font-weight:900;letter-spacing:.08em}.youtube-new-badge i{font-size:.45rem}.youtube-info h3{margin:10px 0 8px;color:var(--gold-accent);font-size:1.3rem}.youtube-info p{margin-bottom:18px;color:#a4adba;font-size:.86rem;line-height:1.65}.youtube-watch-btn{margin-top:auto;color:#111;background:linear-gradient(180deg,#f4d56b,#c99c26)}
@media(max-width:820px){.youtube-feature{grid-template-columns:1fr}.youtube-info{padding:18px}.youtube-watch-btn{margin-top:0}}
@media(max-width:600px){.youtube-section{margin:1.5rem auto;padding:12px;border-radius:9px}.youtube-heading{align-items:stretch;flex-direction:column;gap:14px}.youtube-heading h2{font-size:1.35rem}.youtube-channel-btn{width:100%}.youtube-feature{gap:12px}.youtube-info{padding:16px}.youtube-info h3{font-size:1.1rem}.youtube-info p{font-size:.82rem}.youtube-watch-btn{width:100%}}


/* Dobrovolná podpora wiki */
.support-section{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  align-items:center;
  gap:clamp(2rem,5vw,5rem);
  margin:3.5rem auto 1rem;
  padding:clamp(1.5rem,4vw,3rem);
  overflow:hidden;
  border:1px solid rgba(212,175,55,.38);
  border-radius:16px;
  background:
    radial-gradient(circle at 88% 28%,rgba(212,175,55,.13),transparent 32%),
    linear-gradient(135deg,#151b25 0%,#0c1017 58%,#16120b 100%);
  box-shadow:0 18px 45px rgba(0,0,0,.32);
}
.support-section::before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:4px;
  background:linear-gradient(#f0ce5b,#8f6800);
}
.support-copy{position:relative;z-index:1}
.support-kicker{
  margin:0 0 .8rem;
  color:var(--gold-accent);
  font-size:.75rem;
  font-weight:800;
  letter-spacing:.18em;
}
.support-kicker i{margin-right:.45rem}
.support-copy h2{
  max-width:760px;
  margin:0 0 1rem;
  color:#fff;
  font-size:clamp(1.55rem,3vw,2.35rem);
  line-height:1.15;
}
.support-copy>p{
  max-width:760px;
  margin:0;
  color:#adb4c2;
  font-size:.98rem;
  line-height:1.75;
}
.support-note{
  display:flex;
  align-items:center;
  gap:.75rem;
  width:fit-content;
  margin-top:1.35rem;
  padding:.8rem 1rem;
  color:#e8dcae;
  border:1px solid rgba(212,175,55,.24);
  border-radius:9px;
  background:rgba(212,175,55,.07);
  font-size:.84rem;
}
.support-note i{color:var(--gold-accent);font-size:1.15rem}
.support-qr-card{
  position:relative;
  z-index:1;
  margin:0;
  padding:1rem;
  text-align:center;
  border:1px solid rgba(212,175,55,.34);
  border-radius:14px;
  background:rgba(7,10,15,.72);
  box-shadow:0 14px 35px rgba(0,0,0,.35);
}
.support-qr-label{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  margin-bottom:.75rem;
  color:var(--gold-accent);
  font-size:.73rem;
  font-weight:800;
  letter-spacing:.14em;
}
.support-qr-frame{
  width:min(260px,100%);
  margin:auto;
  padding:12px;
  border-radius:10px;
  background:#fff;
  box-shadow:0 0 0 1px rgba(255,255,255,.7),0 0 24px rgba(212,175,55,.12);
}
.support-qr-frame img{display:block;width:100%;height:auto;aspect-ratio:1}
.support-qr-card figcaption{
  max-width:260px;
  margin:.8rem auto 0;
  color:#9fa7b5;
  font-size:.76rem;
  line-height:1.45;
}
@media(max-width:760px){
  .support-section{
    grid-template-columns:1fr;
    gap:1.5rem;
    margin-top:2.25rem;
    padding:1.35rem;
  }
  .support-copy{text-align:center}
  .support-note{justify-content:center;width:100%;text-align:left}
  .support-qr-card{width:min(100%,330px);margin:auto}
  .support-qr-frame{width:min(230px,100%)}
}


/* Zvýrazněná karta Události */
.events-card{
  order:-1;
  border-color:rgba(212,175,55,.62);
  background:
    radial-gradient(circle at 78% 10%,rgba(212,175,55,.12),transparent 34%),
    linear-gradient(155deg,#1b202b 0%,#10131a 72%);
  box-shadow:0 14px 34px rgba(0,0,0,.35),inset 0 0 28px rgba(212,175,55,.035);
}
.events-card .card-icon{font-size:2.15rem;margin-bottom:.7rem}
.events-card .card-title{color:#fff2ba}
.events-card .card-list li{margin-bottom:.52rem}
@media(min-width:1101px){
  .banner-frame{
    margin-right:340px;
    border-radius:8px 0 0 8px;
  }
  .cards-container{
    position:relative;
    grid-template-columns:repeat(6,minmax(0,1fr));
  }
  .cards-container .events-card{
    position:absolute;
    right:0;
    bottom:calc(100% + 32px);
    z-index:15;
    width:340px;
    height:420px;
    min-height:420px;
    padding:1.65rem 1.35rem;
    border-width:2px;
    border-radius:0 8px 8px 0;
    background:
      radial-gradient(circle at 78% 12%,rgba(212,175,55,.18),transparent 36%),
      linear-gradient(155deg,rgba(26,31,42,.97),rgba(10,13,19,.98));
    backdrop-filter:blur(8px);
  }
  .cards-container .events-card .card-list{
    max-height:270px;
    overflow-y:auto;
    padding-right:4px;
    scrollbar-width:thin;
    scrollbar-color:#b88e1d #11151c;
  }
}
@media(min-width:701px) and (max-width:1100px){
  .cards-container .events-card{
    grid-column:1/-1;
    width:100%;
  }
  .cards-container .events-card .card-list{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:.25rem 1.25rem;
  }
}
@media(max-width:700px){
  .cards-container .events-card{width:100%}
}


/* Funkční rozcestník nejčastěji hledaného obsahu */
.popular-widget{grid-column:span 2}
.widget-header>div{min-width:0}
.widget-subtitle{margin:.28rem 0 0;color:#818a9b;font-size:.7rem;line-height:1.4}
.popular-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}
.popular-link{display:grid;grid-template-columns:42px minmax(0,1fr) 14px;align-items:center;gap:.72rem;min-height:68px;padding:.72rem;border:1px solid rgba(212,175,55,.15);border-radius:8px;color:#d5d9e2;background:rgba(9,12,18,.55);text-decoration:none;transition:border-color .2s ease,background .2s ease,transform .2s ease}
.popular-link:hover,.popular-link:focus-visible{border-color:rgba(212,175,55,.62);background:rgba(212,175,55,.08);transform:translateY(-2px);outline:none}
.popular-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:8px;color:#d4af37;background:rgba(212,175,55,.11);font-size:1rem}
.popular-link>span:nth-child(2){min-width:0}.popular-link strong,.popular-link small{display:block}.popular-link strong{color:#f0f2f6;font-size:.79rem;line-height:1.25}.popular-link small{margin-top:.2rem;color:#7f8898;font-size:.65rem;line-height:1.25}.popular-link>.fa-chevron-right{color:#555e6d;font-size:.62rem}
.popular-link.highlighted{border-color:rgba(212,175,55,.36);background:linear-gradient(135deg,rgba(212,175,55,.12),rgba(9,12,18,.62))}.popular-link.highlighted .popular-icon{color:#ffe071;box-shadow:0 0 16px rgba(212,175,55,.12)}


/* Denní reset hry na hlavní stránce */
.daily-reset{width:min(calc(100% - 40px),var(--max-width));margin:1.25rem auto 1.15rem}
.daily-reset-inner{position:relative;display:grid;grid-template-columns:54px minmax(0,1fr) auto;align-items:center;gap:1rem;overflow:hidden;padding:.85rem 1rem;border:1px solid rgba(212,175,55,.38);border-radius:10px;background:linear-gradient(110deg,rgba(22,28,39,.97),rgba(13,16,23,.97));box-shadow:0 10px 25px rgba(0,0,0,.22)}
.daily-reset-inner::after{content:"";position:absolute;inset:0 0 auto;height:2px;background:linear-gradient(90deg,transparent,#d4af37,transparent)}
.daily-reset-icon{display:grid;place-items:center;width:50px;height:50px;border:1px solid rgba(212,175,55,.35);border-radius:9px;color:#f0c94e;background:rgba(212,175,55,.1);font-size:1.25rem}
.daily-reset-copy p{margin:0 0 .18rem;color:#8d95a5;font-size:.62rem;font-weight:800;letter-spacing:.17em}.daily-reset-copy h2{margin:0;color:#e9ecf2;font-size:1rem;font-weight:600}.daily-reset-copy h2 strong{color:#f1ca4f;font-size:1.2rem}
.daily-reset-countdown{display:grid;grid-template-columns:auto auto;align-items:baseline;column-gap:.55rem;min-width:255px;padding:.55rem .75rem;border-left:1px solid rgba(212,175,55,.2)}.daily-reset-countdown span{color:#8d95a5;font-size:.67rem}.daily-reset-countdown strong{color:#fff;font-size:1.05rem;letter-spacing:.03em}.daily-reset-countdown small{grid-column:1/-1;margin-top:.18rem;color:#697283;font-size:.62rem;text-align:right}


/* Bankovni udaje podpory */
.support-bank-details{
  display:grid;
  gap:.7rem;
  margin-top:1rem;
  text-align:left;
}
.support-bank-row{
  padding:.75rem;
  border:1px solid rgba(212,175,55,.2);
  border-radius:9px;
  background:rgba(255,255,255,.035);
}
.support-bank-row>span{
  display:block;
  margin-bottom:.35rem;
  color:#9fa7b5;
  font-size:.68rem;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.support-bank-row>span i{
  width:1rem;
  margin-right:.25rem;
  color:var(--gold-accent);
  text-align:center;
}
.support-bank-value{
  display:flex;
  align-items:center;
  gap:.55rem;
  min-width:0;
}
.support-bank-value strong{
  flex:1;
  min-width:0;
  color:#f7ecc5;
  font-size:.84rem;
  line-height:1.35;
  overflow-wrap:anywhere;
}
.support-copy-btn{
  display:inline-flex;
  flex:none;
  align-items:center;
  justify-content:center;
  gap:.35rem;
  min-height:32px;
  padding:.35rem .55rem;
  color:#e5c858;
  border:1px solid rgba(212,175,55,.32);
  border-radius:7px;
  background:rgba(212,175,55,.08);
  font:inherit;
  font-size:.68rem;
  font-weight:700;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.support-copy-btn:hover,
.support-copy-btn:focus-visible{
  color:#fff0ad;
  border-color:rgba(212,175,55,.65);
  background:rgba(212,175,55,.16);
  outline:none;
}
.support-copy-btn.is-copied{
  color:#bff5cb;
  border-color:rgba(65,190,96,.5);
  background:rgba(65,190,96,.12);
}
@media(max-width:420px){
  .support-bank-value{align-items:stretch;flex-direction:column}
  .support-copy-btn{width:100%}
}