/* ============================================
   Unified Minimal Green Theme – Layout + Cards
   (FINÁLNA TYPOGRAFICKÁ VERZIA – ČASŤ 1)
   ============================================ */

:root {
  /* Jemná knižničná paleta */
  --bg-main: #f7f6f3;          /* jemný papierový tón */
  --bg-section: #efefe9;
  --bg-article: #faf9f7;       /* hlavné pozadie článkov */
  --text-primary: #1a1a1a;     /* mäkká čierna */
  --text-secondary: #3a3a3a;

  /* Jemnejšia zelená paleta */
  --green-primary: #5c7a63;    /* zjemnená zelená */
  --green-hover: #6a8a72;
  --green-dark: #4a6652;
  --text-green: #4a6652;

  /* Akcenty */
  --accent-gold: #c9a66b;
  --accent-beige: #eae3d2;

  /* Neutrálne prvky */
  --neutral-border: #dcded8;
  --neutral-light: #f2f3ef;
  --neutral-border-soft: #e7e8e3;

  /* Doplnky */
  --font-serif: "Inter", "Segoe UI", sans-serif;
  --font-sans: "Inter", "Segoe UI", sans-serif;
  --radius: 10px;
  --transition: 0.25s ease;
  --shadow: 0 2px 6px rgba(0,0,0,0.06);
  --shadow-hover: 0 4px 12px rgba(0,0,0,0.10);
}

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

/* ===========================
   GLOBÁLNA TYPOGRAFIA
=========================== */

body {
  font-family: var(--font-serif);
  color: var(--text-primary);
  background-color: var(--bg-main);
  font-size: 1rem;          /* jednotná veľkosť */
  line-height: 1.7;         /* harmonické riadkovanie */
}

/* Odkazy */
a {
  color: var(--green-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--green-hover);
}

/* Focus pre prístupnosť */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--green-primary);
  outline-offset: 3px;
}

/* ===========================
   TYPOGRAFIA NADPISOV
=========================== */

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--green-primary);
  margin-top: 0;
  margin-bottom: 0.6em;
  line-height: 1.25;
}

/* Hlavný nadpis */
h1 {
  font-size: 2.4rem;     /* ~38 px */
  text-align: center;
  letter-spacing: 0.4px;
}

/* Sekcie */
h2 {
  font-size: 1.9rem;     /* ~30 px */
  letter-spacing: 0.3px;
  margin-top: 1.8rem;
}

/* Podsekcie */
h3 {
  font-size: 1.45rem;    /* ~23 px */
  letter-spacing: 0.2px;
  margin-top: 1.4rem;
}

/* Menšie nadpisy */
h4 {
  font-size: 1.2rem;     /* ~19 px */
  margin-top: 1.2rem;
}

/* Odseky */
p {
  margin-bottom: 1.1em;
  font-size: 1rem;       /* 18 px */
  line-height: 1.7;
}

/* Zoznamy */
ul, ol {
  margin: 0.4rem 0 1.2rem 1.4rem;
  padding: 0;
}
ul li, ol li {
  margin: 0.25rem 0;
  line-height: 1.55;
}

/* ============================================
   LAYOUT + NAVIGÁCIA + KARTY
   (FINÁLNA TYPOGRAFICKÁ VERZIA – ČASŤ 2)
   ============================================ */

/* ===========================
   NAVIGÁCIA
=========================== */

nav {
  display: flex;
  justify-content: center;
  gap: 18px;
  font-family: var(--font-sans);
  font-size: 1rem; /* 18 px */
}

nav a {
  padding: 10px 16px;
  border-radius: var(--radius);
  transition: all var(--transition);
  font-size: 1rem;
}

nav a:hover {
  background-color: var(--bg-section);
  color: var(--green-dark);
  transform: translateY(-2px);
}

/* Hamburger menu */
.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.8rem;
  padding: 12px;
}

.nav-container {
  display: flex;
  gap: 15px;
  transition: max-height 0.4s ease;
  max-height: 1000px;
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-container {
    flex-direction: column;
    align-items: center;
    max-height: 0;
    overflow: hidden;
  }

  .nav-container.active {
    max-height: 500px;
  }
}

/* ===========================
   HLAVNÝ OBSAH
=========================== */

main {
  width: 95%;
  margin: 30px auto;
  background-color: var(--bg-article);
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: fadeIn 0.6s ease-in;
  font-size: 1rem; /* 18 px */
  line-height: 1.7;
}

main p {
  margin-bottom: 1.1em;
}

main a {
  position: relative;
}

main a {
  position: relative;
}

main a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: var(--green-primary);
  transform: scaleX(0);
  transform-origin: left; /* ← toto je kľúčové */
  transition: transform var(--transition);
}

main a:hover::after {
  transform: scaleX(1);
}
/* Obrázky v článkoch */
main img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 25px auto;
  border-radius: 6px;
}

/* ===========================
   GRID KARIET
=========================== */

#cardGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  margin-top: 30px;
}

#cardGrid.list {
  grid-template-columns: 1fr;
}

/* Karta */
.card {
  background-color: var(--bg-article);
  border: 1px solid var(--neutral-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  font-size: 1rem; /* 18 px */
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

/* Karta v list režime */
#cardGrid.list .card {
  box-shadow: none;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--neutral-border);
  padding: 18px 0;
  transform: none;
}

/* Badge */
.card .badge {
  display: inline-block;
  background-color: var(--green-primary);
  color: white;
  padding: 5px 12px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 12px;
  font-family: var(--font-sans);
}

/* Názov knihy */
.card .title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--green-dark);
  transition: color var(--transition);
}

.card .title:hover {
  color: var(--green-hover);
}

/* Citát */
.card .quote {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 14px;
  font-size: 1rem;
}

/* Zdroj */
.card .source {
  color: var(--text-green);
  font-size: 0.95rem;
  display: none;
}

/* ===========================
   OVLÁDACIE PRVKY
=========================== */

#controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 25px;
  font-family: var(--font-sans);
  font-size: 1rem;
}

#controls input,
#controls select,
#controls button {
  width: 100%;
  padding: 12px 16px;
  background-color: var(--bg-article);
  border: 1px solid var(--neutral-border);
  border-radius: var(--radius);
  transition: border var(--transition), box-shadow var(--transition);
  font-size: 1rem;
}

#controls input:focus,
#controls select:focus,
#controls button:focus {
  border-color: var(--green-primary);
  box-shadow: 0 0 0 3px rgba(92,122,99,0.25);
}

/* Prepínač layoutu – skryť na mobile */
@media (max-width: 768px) {
  #toggleLayout {
    display: none;
  }
}

/* ===========================
   UTILITY TRIEDY
=========================== */

.hidden { display: none; }
.highlight { background-color: var(--bg-section); }

/* Mobilná responzivita */
@media (max-width: 600px) {
  #controls {
    grid-template-columns: 1fr;
  }

  .card .quote {
    text-align: left;
  }
}

/* Animácia */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   KONTAKT + ROČNÍKY + DROPDOWNY + ŠPECIÁLNE SEKCIJE
   (FINÁLNA TYPOGRAFICKÁ VERZIA – ČASŤ 3)
   ============================================ */

/* ===========================
   KONTAKT – harmonický layout
=========================== */

.contact-page {
  margin: 30px auto;
  background-color: var(--bg-article);
  padding: 35px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  animation: fadeIn 0.6s ease-in;
  font-size: 1rem; /* 18 px */
  line-height: 1.7;
}

.contact-page h1 {
  margin-bottom: 25px;
  color: var(--green-primary);
  font-size: 2.2rem;
  text-align: center;
}

.contact-block {
  margin-bottom: 40px;
}

.contact-block h2 {
  font-size: 1.5rem;
  color: var(--green-dark);
  margin-bottom: 12px;
  font-family: var(--font-sans);
}

.contact-block p {
  margin-bottom: 14px;
  font-size: 1rem;
  line-height: 1.7;
}

.contact-block ul {
  margin: 10px 0 15px 20px;
  line-height: 1.6;
}

.contact-block li {
  margin-bottom: 6px;
}

/* Mapa */
.map-wrapper {
  margin-top: 15px;
  margin-bottom: 20px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

/* Mobilná verzia */
@media (max-width: 768px) {
  .contact-page {
    padding: 25px;
    margin: 20px;
  }

  .contact-page h1 {
    font-size: 1.9rem;
  }

  .contact-block h2 {
    font-size: 1.35rem;
  }
}

/* ===========================
   ROČNÍKY ČASOPISU SVÄTLO
=========================== */

.svetlo-rocnik {
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.7;
  font-size: 1rem; /* 18 px */
}

.svetlo-rocnik .rocnik-uvod {
  margin-bottom: 2.5rem;
}

.svetlo-rocnik .rocnik-uvod h1 {
  margin-bottom: 1rem;
}

.svetlo-rocnik .vydania h2 {
  margin-bottom: 1.5rem;
}

/* Odsadenie zoznamu */
.svetlo-rocnik ol {
  padding-left: 1.4rem;
  margin-left: 0;
}

/* Každá položka zoznamu */
.svetlo-rocnik ol li {
  margin-bottom: 1rem;
  padding-left: 0.2rem;
  line-height: 1.6;
}

/* Zvýraznenie podčiarknutých častí */
.svetlo-rocnik ol li u {
  font-weight: 600;
}

/* Navigácia späť */
.svetlo-rocnik .navigacia-spat {
  margin-top: 3rem;
  font-size: 0.95rem;
}

/* ===========================
   DROPDOWN
=========================== */

.custom-dropdown {
  position: relative;
  width: 100%;
  max-width: 280px;
  font-size: 1rem;
  cursor: pointer;
}

.dropdown-selected {
  padding: 12px 16px;
  background: #fff;
  border: 1px solid var(--neutral-border);
  border-radius: 6px;
  transition: 0.2s ease;
}

.dropdown-selected:hover {
  border-color: #b8c7b0;
}

.dropdown-options {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border: 1px solid var(--neutral-border);
  border-radius: 6px;
  margin-top: 4px;
  padding: 0;
  list-style: none;
  display: none;
  max-height: 240px;
  overflow-y: auto;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.dropdown-options li {
  padding: 12px 16px;
  transition: 0.15s ease;
  font-size: 1rem;
}

.dropdown-options li:hover {
  background: #f3f3f3;
}

/* ===========================
   ŠPECIÁLNE ÚPRAVY ZOZNAMOV
=========================== */

ul {
  margin: 0 0 1rem 1.2rem;
  padding: 0;
  list-style-position: outside;
}

ul li {
  margin: 0.25rem 0;
  line-height: 1.55;
}

.article-content ul {
  margin: 0.4rem 0 1.1rem 1.4rem;
  padding: 0;
}

.article-content ul li {
  margin: 0.2rem 0;
  line-height: 1.55;
  padding-left: 0.2rem;
}

.article-content p + ul {
  margin-top: 0.3rem;
}

.article-content ul + p {
  margin-top: 0.6rem;
}

.article-content ul ul {
  margin-left: 1.2rem;
  margin-top: 0.2rem;
  margin-bottom: 0.6rem;
}

/* ===========================
   OBRÁZKY
=========================== */

.article-content img,
.book-image {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 8px;
}

/* ===========================
   FOOTER
=========================== */

footer {
  background-color: var(--neutral-border-soft);
  text-align: center;
  padding: 18px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

#noResults {
  text-align: center;
  margin: 40px auto;
  width: 100%;
  color: var(--green-dark);
}

#resultCount {
  text-align: center;
  color: var(--green-primary);
}

/* ============================================
   TABLETOVÁ OPTIMALIZÁCIA (600–900 px)
   ============================================ */

@media (min-width: 600px) and (max-width: 900px) {

  /* Hlavný obsah */
  main {
    padding: 28px;
    margin: 20px auto;
    border-radius: 10px;
  }

  /* Nadpisy */
  h1 {
    font-size: 2.1rem;
  }

  h2 {
    font-size: 1.7rem;
  }

  h3 {
    font-size: 1.35rem;
  }

  p {
    font-size: 1rem;
    line-height: 1.7;
  }

  /* Navigácia */
  nav a {
    padding: 10px 14px;
    font-size: 1rem;
  }

  .nav-container {
    gap: 12px;
  }

  /* Ovládacie prvky */
  #controls {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 22px;
  }

  #controls input,
  #controls select,
  #controls button {
    padding: 12px 14px;
    font-size: 1rem;
  }

  /* Grid kariet */
  #cardGrid {
    gap: 20px;
  }

  /* Karta */
  .card {
    padding: 20px;
    border-radius: 10px;
  }

  .card .title {
    font-size: 1.2rem;
  }

  .card .quote {
    font-size: 1rem;
  }

  .card .source {
    font-size: 0.95rem;
  }

  /* Badge */
  .card .badge {
    font-size: 0.85rem;
    padding: 5px 12px;
  }

  /* Footer */
  footer {
    padding: 16px;
    font-size: 0.9rem;
  }
}

/* ============================================
   STICKY FILTER – TABLET + MOBIL
   ============================================ */

@media (max-width: 900px) {

  #controls {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--bg-article);
    padding-top: 12px;
    padding-bottom: 12px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--neutral-border);
  }
}

/* ============================================
   MOBILNÁ OPTIMALIZÁCIA (max-width: 600px)
   ============================================ */

@media (max-width: 600px) {

  /* Hlavný obsah */
  main {
    padding: 18px;
    margin: 15px auto;
    border-radius: 8px;
  }

  /* Nadpisy */
  h1 {
    font-size: 1.9rem;
  }

  h2 {
    font-size: 1.55rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  p {
    font-size: 0.95rem;
    line-height: 1.65;
  }

  /* Navigácia */
  nav a {
    padding: 10px 12px;
    font-size: 0.95rem;
  }

  .nav-container {
    gap: 8px;
  }

  /* Ovládacie prvky */
  #controls {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 18px;
  }

  #controls input,
  #controls select,
  #controls button {
    padding: 12px;
    font-size: 1rem;
  }

  /* Grid kariet */
  #cardGrid {
    gap: 16px;
  }

  /* Karta */
  .card {
    padding: 16px;
    border-radius: 8px;
  }

  .card .title {
    font-size: 1.15rem;
  }

  .card .quote {
    font-size: 0.95rem;
  }

  .card .source {
    font-size: 0.9rem;
  }

  /* Badge */
  .card .badge {
    font-size: 0.8rem;
    padding: 4px 10px;
  }

  /* Footer */
  footer {
    padding: 14px;
    font-size: 0.85rem;
  }
}

/* ============================================
   Typografia – mobil + tablet optimalizácia
   ============================================ */

/* Mobil – najlepšia čitateľnosť */
@media (max-width: 600px) {
  html {
    font-size: 19px;
  }
  main {
    font-size: 1.05rem;
  }
}

/* Tablet – mierne zväčšenie */
@media (min-width: 601px) and (max-width: 1024px) {
  html {
    font-size: 19px;
  }
}