/* ============================================
   FIXNÍ HLAVIČKA – PC + MOBIL + STÍN
============================================ */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  background: #fafafa;
  border-bottom: 1px solid #e0e0e0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

/* aby se obsah neposouval pod hlavičku */
body {
  padding-top: 120px;
}

/* ------------------------------
    ZÁKLADNÍ NASTAVENÍ
------------------------------ */
body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #ffffff;
  color: #222;
  overflow-x: hidden;
}

/* ------------------------------
    TOP BAR / MENU
------------------------------ */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid #e0e0e0;
  background: #fafafa;
  width: 100%;
  box-sizing: border-box;
}

.topbar nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.topbar nav a {
  color: #1a1a1a;
  text-decoration: none;
  font-weight: 800;
  padding: 10px 16px;
  border-radius: 6px;
  transition: 0.25s ease;
  font-size: 16px;
  text-transform: uppercase;
}

.topbar nav a:hover {
  background: linear-gradient(to top, #0A7A1C, #1FAF3A, #6CFF7A);
  color: white;
  box-shadow: 0 4px 10px rgba(0, 128, 0, 0.35);
}

/* ------------------------------
    HERO A SEKCE
------------------------------ */
.hero, .nuevos, .produkty-section {
  padding: 32px 16px;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
  box-sizing: border-box;
}

/* ------------------------------
    KATEGORÍAS – PC VERZE
------------------------------ */
.categorias .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  column-gap: 40px;
  row-gap: 12px;
  justify-items: center;
  justify-content: center;
  padding: 20px 0;
}

.card {
  background: linear-gradient(to top, #0A7A1C, #1FAF3A, #6CFF7A);
  border-radius: 8px;
  text-decoration: none;
  color: #ffffff;
  width: 100%;
  max-width: 130px;
  padding: 10px;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.25s ease;
  border: none;
  box-shadow: 0 4px 10px rgba(0, 128, 0, 0.35);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(0, 128, 0, 0.45);
}

/* ------------------------------
    PRODUKTOVÁ KARTA – PC
------------------------------ */
.produkt-card {
  width: 100%;
  max-width: 300px;
  border: 1px solid #eee;
  border-radius: 12px;
  padding: 15px;
  background: #fff;
  transition: 0.25s ease;
  box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
}

.produkt-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.produkt-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 12px;
  cursor: pointer;
}

.produkt-nazev { font-size: 1rem; margin: 10px 0; font-weight: 600; }
.produkt-cena { color: #d62828; font-size: 1.3rem; font-weight: 700; margin-bottom: 10px; }
.produkt-popis { font-size: 0.85rem; color: #666; margin-bottom: 15px; line-height: 1.4; text-align: center; }

/* ------------------------------
    TLAČÍTKA – PC
------------------------------ */
.produkt-buttons {
  display: flex;
  gap: 8px;
  width: 100%;
  margin-top: auto;
}

/* ORDENAR – zelené CTA */
.produkt-btn {
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
  font-size: 14px;
  text-align: center;
  text-decoration: none;
  border: none;
  background: linear-gradient(to top, #0A7A1C, #1FAF3A, #6CFF7A);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(0, 128, 0, 0.35);
  transition: 0.25s ease;
  text-transform: uppercase;
}

.produkt-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 14px rgba(0, 128, 0, 0.45);
}

/* ------------------------------
    DETAIL PRODUKTU
------------------------------ */
.product-page {
  max-width: 1100px;
  margin: 40px auto;
  padding: 20px;
}

.product-container {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.product-image img {
  width: 100%;
  max-width: 420px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.product-info {
  flex: 1;
  min-width: 300px;
}

.product-page .product-price {
  color: #d62828 !important;
  font-size: 32px !important;
  font-weight: 700 !important;
  margin-bottom: 20px;
}

/* ------------------------------
    POPIS PRODUKTU
------------------------------ */
.product-description {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 30px;
  color: #444;
  text-align: justify;
}

/* ------------------------------
    GALERIE
------------------------------ */
.product-gallery {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.product-gallery img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s;
}
.product-gallery img:hover { transform: scale(1.05); }

/* ------------------------------
    FOOTER
------------------------------ */
footer {
  text-align: center;
  padding: 30px;
  font-size: 0.9rem;
  color: #777;
  border-top: 1px solid #e0e0e0;
  margin-top: 40px;
}
footer a { color: #1FAF3A; text-decoration: none; font-weight: 600; }

/* ------------------------------
    MOBILNÍ OPTIMALIZACE - NÁVRAT K SEZNAMU
------------------------------ */

/* ============================================
    1. GLOBÁLNÍ SJEDNOCENÍ VELIKOSTI TLAČÍTEK
============================================ */
.product-page .produkt-btn,
.product-page .produkt-info-btn,
.produkt-card .produkt-btn,
.produkt-card .produkt-info-btn,
.categorias .card,
.product-buttons button {
  height: 48px !important; 
  border-radius: 8px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-sizing: border-box !important;
  font-family: inherit !important;
  text-transform: uppercase !important;
  font-size: 14px !important;
  font-weight: 800 !important;
  transition: 0.25s ease !important;
  text-decoration: none !important;
  cursor: pointer !important;
  padding: 0 16px !important;
  margin: 0 !important;
}

/* ============================================
    2. BAREVNÉ SCHÉMA TLAČÍTEK (Barva #1877F2)
============================================ */

/* ORDENAR - Modrá barva */
.product-page .produkt-btn, .produkt-card .produkt-btn, .produkt-btn {
  background: #1877F2 !important;
  color: white !important;
  border: none !important;
  box-shadow: 0 4px 10px rgba(24, 119, 242, 0.3) !important;
  flex: 1 !important;
}

/* DETALLES / VOLVER - Bílá s modrým textem */
.product-page .produkt-info-btn, .produkt-card .produkt-info-btn, .produkt-info-btn {
  background: white !important;
  color: #1877F2 !important;
  border: 1px solid #eee !important;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05) !important;
  flex: 1 !important;
}

/* CATEGORIAS - Zelená barva */
.categorias .card {
  background: linear-gradient(to top, #0A7A1C, #1FAF3A, #6CFF7A) !important;
  color: white !important;
  border: none !important;
  box-shadow: 0 4px 10px rgba(0, 128, 0, 0.35) !important;
  width: 100% !important;
}

.produkt-btn:hover, .produkt-info-btn:hover, .categorias .card:hover {
  transform: translateY(-3px) !important;
}

/* ============================================
    3. STRUKTURA TLAČÍTEK A SEKCE CATEGORIAS
============================================ */
.produkt-buttons, .product-page .produkt-buttons {
  display: flex !important;
  flex-direction: row !important;
  gap: 10px !important;
  width: 100% !important;
  margin-top: 20px !important;
}

/* Fix mezery NAD sekcí Categorías - nyní minimální */
.categorias {
  margin-top: 15px !important; 
  padding-top: 5px !important;
}

.categorias h2 { margin-bottom: 5px !important; }
.categorias p { margin-top: 0 !important; margin-bottom: 20px !important; }

/* ============================================
    4. PC VERZE - SLIDER A KATEGORIE
============================================ */
.slider-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 940px; 
  margin: 10px auto 25px auto;
  overflow: visible;
}

#nove-produkty {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: nowrap !important;
  gap: 20px !important;
  width: 100% !important;
  overflow-x: hidden !important; 
  scroll-behavior: smooth;
  padding: 10px 0 !important;
}

#nove-produkty .produkt-card, .produkty-grid .produkt-card, #produkty .produkt-card {
  flex: 0 0 300px !important;
  min-width: 300px !important;
  max-width: 300px !important;
  height: 580px !important;
  display: flex !important;
  flex-direction: column !important;
}

.produkt-card img { height: 280px !important; object-fit: contain !important; }

.slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: white;
  border: none;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  color: #1877F2;
  font-size: 20px;
  cursor: pointer;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slider-arrow.left { left: -60px !important; }
.slider-arrow.right { right: -60px !important; }

#produkty, .produkty-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, 300px) !important;
  justify-content: center !important;
  gap: 30px !important;
  width: 100% !important;
  max-width: 1200px !important;
  margin: 15px auto !important;
}

/* ============================================
    5. MOBILNÍ OPTIMALIZACE
============================================ */
@media (max-width: 768px) {
  .topbar nav { display: none !important; }
  .topbar { flex-direction: column; gap: 10px; }
  .slider-wrapper { display: block !important; max-width: 100% !important; margin-bottom: 15px !important; }

  #nove-produkty, #produkty, .produkty-grid {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 25px !important;
  }

  .produkt-card { 
    width: 92% !important; 
    max-width: 350px !important; 
    height: auto !important; 
    min-height: 540px !important;
    padding-bottom: 25px !important; 
    display: flex !important;
    flex-direction: column !important;
  }

  .product-info .produkt-buttons { flex-direction: row !important; justify-content: center !important; }
  .slider-arrow { display: none !important; }

  /* Kategorie mobil */
  .categorias .grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
    padding: 0 15px !important;
    margin-top: 5px !important;
  }
}