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

/* A hidden attribútum a display-t beállító szabályokat is üsse */
[hidden] { display: none !important; }

/* A gombok/mezők alapból nem öröklik a betűtípust — az UA Arial-t erőltet rájuk */
button, input, select, textarea { font-family: inherit; }

:root {
  --bg-primary: #222; /* #1a1a2e; */
  --bg-secondary: #16213e;
  --text-primary: #fff;
  --text-accent: #66ccff;
  --practice-bg: #000080;
  --practice-accent: #66ccff;
  --test-bg: #800000;
  --test-accent: #ff8080;
  --browser-bg: #5c4033;
  --game-bg: #1b5e20;
  --btn-primary: #2196f3;
  --btn-hover: #1976d2;
  --correct-color: #4caf50;
  --wrong-color: #f44336;
  --card-bg: #878787;
  --ha-green-dark: #2e7d32;
  --ha-red-dark: #c62828;
  --ha-grey-dark: #546e7a;
}

html { font-size: 16px; }

body {
  font-family: Inter, Helvetica, Arial, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* HOME SCREEN */
#home-screen {
  max-width: 960px;
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2rem);
  text-align: center;
}

#home-screen header h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--text-accent);
  margin-bottom: 0.25rem;
}

#home-screen .subtitle {
  font-size: clamp(0.85rem, 2vw, 1.1rem);
  opacity: 0.8;
  margin-bottom: 1.5rem;
  font-style: italic;
}

/* Lesson Grid */
#lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.lesson-tile {
  position: relative;
  cursor: pointer;
  border-radius: 15px;
  overflow: hidden;
  border: 3px solid transparent;
  transition: border-color 0.2s, transform 0.15s;
  aspect-ratio: 1;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.lesson-tile:hover { transform: scale(1.08); }
.lesson-tile.selected { border-color: var(--text-accent); transform: scale(1.08); }

.lesson-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lesson-tile .ipa-label {
  display: none;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: clamp(0.7rem, 1.5vw, 0.95rem);
  padding: 2px 0;
  text-align: center;
}

/* Controls */
#controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

#difficulty-selector {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.diff-btn {
  padding: 0.5rem 1.2rem;
  border: 2px solid var(--text-accent);
  background: transparent;
  color: var(--text-accent);
  border-radius: 9px;
  cursor: pointer;
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  transition: background 0.2s, color 0.2s;
}

.diff-btn:hover { background: rgba(102,204,255,0.15); }
.diff-btn.selected { background: var(--text-accent); color: var(--bg-primary); }

#module-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.module-btn {
  padding: 0.6rem 1.5rem;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-size: clamp(0.8rem, 1.5vw, 1rem);
  font-weight: 600;
  transition: opacity 0.2s, transform 0.15s;
  color: #fff;
}

.module-btn:hover:not(:disabled) { transform: scale(1.05); }
.module-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.module-btn.eloadas { background: #4a148c; }
.module-btn.gyakorlat { background: var(--practice-bg); }
.module-btn.teszt { background: var(--test-bg); }
.module-btn.szomutato { background: var(--browser-bg); }
.module-btn.jatek { background: var(--game-bg); }

/* Footer */
footer {
  margin-top: 2rem;
  font-size: 0.8rem;
  opacity: 0.6;
}

footer .license { font-size: 0.7rem; margin-top: 0.25rem; }

/* MODULE PANELS (shared) */
.module-panel {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 100;
  overflow-y: auto;
  padding: clamp(1rem, 3vw, 2rem);
}

.module-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.module-header h2 {
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  flex: 1;
}

.btn-close {
  padding: 0.5rem 1.5rem;
  background: #c62828;
  color: #fff;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary {
  padding: 0.5rem 1.5rem;
  background: var(--btn-primary);
  color: #fff;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-size: 1rem;
}

.btn-primary:hover { background: var(--btn-hover); }

/* ELOADAS */
#eloadas-panel { background: #1a0033; color: #e0e0e0; }

#eloadas-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

#eloadas-icon {
  width: clamp(88px, 15vw, 55px);
  aspect-ratio: 1;
  border-radius: 15px;
}

#eloadas-video {
  width: 100%;
  max-width: 560px;
  border-radius: 15px;
  background: #000;
}

#eloadas-controls { display: flex; gap: 0.5rem; }
#eloadas-controls button {
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 9px;
  cursor: pointer;
  font-size: 1rem;
  background: #6a1b9a;
  color: #fff;
}
#eloadas-controls button:disabled { opacity: 0.4; cursor: not-allowed; }

/* GYAKORLAT / TESZT */
#gyakteszt-panel { color: #fff; display: flex; flex-direction: column; }
#gyakteszt-panel.practice-mode { background: var(--practice-bg); }
#gyakteszt-panel.test-mode { background: var(--test-bg); }

#gyakteszt-body { flex: 1; position: relative; }

#gyakteszt-leiras {
  font-size: clamp(0.85rem, 2vw, 1rem);
  max-width: 600px;
  margin: 0 auto 1rem;
  text-align: center;
}

#gyakteszt-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

#gyakteszt-hang-kep {
  width: clamp(88px, 20vw, 55px);
  border-radius: 15px;
}

.sound-icon {
  width: 40px;
  height: 40px;
  cursor: pointer;
  transition: transform 0.15s;
}

.sound-icon:hover { transform: scale(1.15); }

#gyakteszt-feladat {
  font-size: clamp(0.85rem, 2.5vw, 1.2rem);
  text-align: center;
}

#gyakteszt-valaszok {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  width: 100%;
}

.answer-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0,0,0,0.3);
  padding: 0.6rem 1rem;
  border-radius: 9px;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.answer-row:hover { background: rgba(255,255,255,0.1); }
.answer-row.selected-answer { border-color: #ffd54f; background: rgba(102,204,255,0.2); }
.test-mode .answer-row.selected-answer { border-color: #ffd54f; background: rgba(255,128,128,0.2); }

.answer-word {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 600;
  flex: 1;
  color: #ffd54f;
}

.answer-speaker { width: 28px; height: 28px; cursor: pointer; }
.answer-hungarian-btn {
  font-size: 0.75rem;
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  padding: 2px 6px;
  border-radius: 6px;
  cursor: pointer;
}
.answer-hungarian { font-size: 0.8rem; color: #ffd54f; min-width: 60px; }

#gyakteszt-hatralevo {
  font-size: 0.85rem;
  opacity: 0.9;
}

#gyakteszt-tovabb:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--btn-primary);
}

/* Válasz-visszajelzés villogás */
@keyframes ha-flash-green {
  0%, 100% { background: rgba(0,0,0,0.3); border-color: transparent; }
  50% { background: var(--correct-color); border-color: var(--correct-color); }
}

@keyframes ha-flash-red {
  0%, 100% { background: rgba(0,0,0,0.3); border-color: transparent; }
  50% { background: var(--wrong-color); border-color: var(--wrong-color); }
}

.answer-row.flash-correct { animation: ha-flash-green 0.15s ease-in-out 2; }
.answer-row.flash-wrong { animation: ha-flash-red 0.15s ease-in-out 2; }

/* Teszt eredmény overlay */
#teszt-eredmeny {
  position: absolute;
  inset: 0;
  background: #fff;
  color: #222;
  overflow-y: auto;
  border-radius: 15px;
  padding: clamp(1rem, 3vw, 2rem);
}

#teszt-eredmeny h3 {
  font-size: clamp(1rem, 3vw, 1.5rem);
  margin-bottom: 0.75rem;
}

#teszt-eredmeny p { font-size: 1.05rem; margin-bottom: 0.35rem; }

#teszt-hibalista {
  list-style: none;
  margin-top: 1rem;
}

.teszt-hiba {
  border-top: 1px solid #e0e0e0;
  padding: 0.6rem 0;
}

.teszt-hiba-cim {
  font-size: 0.85rem;
  color: var(--ha-grey-dark);
  margin-bottom: 0.25rem;
}

.teszt-hiba-valaszok {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
}

.teszt-valasz {
  cursor: pointer;
  font-size: 1.05rem;
}

.teszt-valasz:hover { text-decoration: underline; }

.ha-red { color: var(--ha-red-dark); font-weight: 700; }
.ha-green { color: var(--ha-green-dark); font-weight: 700; }
.ha-grey { color: var(--ha-grey-dark); }

/* SZOMUTATO */
#szomutato-panel { background: var(--browser-bg); color: #fff; }

#szomutato-content {
  max-width: 700px;
  margin: 0 auto;
}

#szomutato-szuro {
  width: 100%;
  padding: 0.6rem 1rem;
  font-size: 1rem;
  border: 2px solid #8d6e63;
  border-radius: 9px;
  background: #fff;
  color: #333;
  margin-bottom: 0.5rem;
}

#szomutato-szuro:focus { border-color: #ffcc66; outline: none; background: #fff8e1; }

#szomutato-talalatok { font-size: 0.85rem; opacity: 0.8; margin-bottom: 0.5rem; }

#szomutato-lista {
  max-height: 40vh;
  overflow-y: auto;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 9px;
  margin-bottom: 1rem;
}

.szomutato-item {
  padding: 0.4rem 1rem;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.szomutato-item:hover { background: rgba(255,255,255,0.1); }
.szomutato-item.active { background: rgba(255,204,102,0.3); }

#szomutato-reszletek {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem;
  background: rgba(0,0,0,0.2);
  border-radius: 9px;
}

/* Kezdő súgó a részletek helyén, amíg nincs kiválasztott szó */
#szomutato-sugo {
  padding: 1rem;
  color: #fff;
  font-size: clamp(0.85rem, 2vw, 1rem);
  line-height: 1.45;
}

#szomutato-hang-kep {
  width: clamp(88px, 12vw, 55px);
  border-radius: 15px;
}

#szomutato-magyar {
  font-size: 1.1rem;
  color: #ffd54f;
  flex: 1;
}

/* JATEK */
#jatek-panel { background: var(--game-bg); color: #fff; }

#jatek-tabla {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
  max-width: 500px;
  margin: 0 auto;
}

.jatek-kartya {
  aspect-ratio: 1;
  perspective: 800px;
  cursor: pointer;
  user-select: none;
  transition: transform 0.15s;
}

.jatek-kartya:hover { transform: scale(1.05); }
.jatek-kartya.matched { visibility: hidden; }

.kartya-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.5s;
}

.jatek-kartya.flipped .kartya-inner { transform: rotateY(180deg); }

.kartya-hatlap, .kartya-elolap {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* A hátlap maga átlátszatlan, csak a rátett ikon halványul — így a
   panel zöldje nem üt át a kártyán */
.kartya-hatlap {
  background: var(--card-bg);
  overflow: hidden;
}

.kartya-hatlap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('../hangoztasd-angolul.png') center / cover no-repeat;
  filter: grayscale(1);
  opacity: 0.06;
}

.kartya-elolap {
  transform: rotateY(180deg);
  background: #f6c744;
  color: #000;
  font-size: clamp(0.7rem, 2vw, 1rem);
  font-weight: 600;
  text-align: center;
  padding: 0.25rem;
}

#jatek-leiras {
  font-size: clamp(0.85rem, 2vw, 1rem);
  max-width: 500px;
  margin: 0 auto 1rem;
  text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
  #lesson-grid { grid-template-columns: repeat(auto-fit, minmax(70px, 1fr)); }
  #gyakteszt-valaszok { grid-template-columns: 1fr; }
  #jatek-tabla { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 480px) {
  #lesson-grid { grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
  .module-btn { padding: 0.5rem 1rem; font-size: 0.85rem; }
  #jatek-tabla { grid-template-columns: repeat(4, 1fr); gap: 0.35rem; }
}

/* Mobil / álló nézet: a Bezár gombokon csak egy félkövér X.
   A font-size: 0 elrejti a feliratot, de a gomb neve marad "Bezár"
   a képernyőolvasók számára. */
@media (max-width: 480px), (orientation: portrait) {
  .btn-close {
    font-size: 0;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .btn-close::before {
    content: 'X';
    font-size: 1.1rem;
    font-weight: 400;
  }

  /* A fejléc többi gombja mindenben kövesse a négyzetes X dobozmetrikáját:
     azonos magasság, tengelyen középre zárt felirat, azonos betűméret */
  .module-header .btn-primary {
    height: 2.5rem;
    padding: 0 1rem;
    font-size: 1.1rem;
    line-height: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}