/* --- OSNOVNO --- */
body {
  font-family: Arial, sans-serif;
  background: #f7f7f7;
  margin: 0;
  padding: 0;
}

.container {
  max-width: 900px;
  margin: auto;
  text-align: center;
  padding: 15px;
}

/* --- KONTROLE --- */
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 15px;
}

.question {
  font-size: 36px;
  margin-bottom: 10px;
}

/* --- INPUT I BUTTON --- */
#answer {
  font-size: 22px;
  width: 120px;
  text-align: center;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

button {
  font-size: 18px;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 8px;
  border: none;
  background: #2196f3;
  color: white;
  transition: background 0.2s;
}

button:hover {
  background: #1976d2;
}

/* --- PIRAMIDA --- */
.pyramid {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.row {
  display: flex;
  justify-content: center;
  width: 100%;
}

/* --- BLOKOVI --- */
.block {
  border: 2px solid #000;
  background: #eee;
  padding: 12px;
  margin: 4px;
  min-width: 70px;
  font-size: 18px;
  text-align: center;
  border-radius: 10px;
  transition: transform 0.2s, background 0.3s;
  opacity: 0; /* za animaciju */
}

/* aktivni blok */
.block.active {
  border-color: #ff9800;
  transform: scale(1.08);
}

/* tačan */
.block.filled {
  background: #4caf50;
  color: white;
  animation: correctPop 0.3s ease;
}

/* pogrešan */
.block.wrong {
  background: #f44336;
  color: white;
  animation: shake 0.3s;
}

/* pojavljivanje */
.block.show {
  animation: dropIn 0.4s ease forwards;
}

/* --- ZVEZDICE --- */
.stars {
  font-size: 42px;
  margin: 15px;
  user-select: none;
}

.star {
  color: #ccc;
  margin: 0 4px;
  transition: color 0.3s ease;
}

.star.gold {
  color: gold;
}

/* --- SCORE --- */
#score {
  font-size: 20px;
  margin-top: 10px;
  font-weight: bold;
}

/* ===================== */
/* 🎬 ANIMACIJE */
/* ===================== */

@keyframes dropIn {
  0% {
    opacity: 0;
    transform: translateY(-40px) scale(0.8);
  }
  60% {
    transform: translateY(6px) scale(1.05);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes correctPop {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  50% { transform: translateX(6px); }
  75% { transform: translateX(-6px); }
  100% { transform: translateX(0); }
}

/* ===================== */
/* 📱 RESPONSIVE */
/* ===================== */

/* TABLET */
@media (max-width: 900px) {
  .question {
    font-size: 28px;
  }

  .block {
    min-width: 60px;
    font-size: 16px;
    padding: 10px;
  }
}

/* MOBILNI */
@media (max-width: 600px) {
  .question {
    font-size: 24px;
  }

  #answer {
    width: 90px;
    font-size: 20px;
  }

  button {
    font-size: 16px;
    padding: 6px 10px;
  }

  .block {
    min-width: 48px;
    font-size: 14px;
    padding: 8px;
    margin: 2px;
  }

  .stars {
    font-size: 32px;
  }
}

@media (max-width: 400px) {
  .block {
    min-width: 40px;
    font-size: 12px;
    padding: 6px;
  }

  .question {
    font-size: 20px;
  }
}

#toggleSound {
  padding: 6px 12px;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  
  background: transparent;

  font-size: 24px;

  transition: transform 0.2s;
}

#toggleSound:hover {
  transform: scale(1.2); /* lagano povećanje na hover */
}

#toggleSound:contains("🔇") {
  color: #a0c4ff;  /* svetlija plava za isključeni zvuk */
  opacity: 0.8;
}

#toggleSound {
  font-size: 32px;       /* veća ikona */
  color: #007BFF;        /* plava boja, možeš i jaču kao #0056b3 */
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  padding: 6px 12px;
  transition: color 0.3s, transform 0.2s;
}

#toggleSound:hover {
  color: #0056b3;        /* tamnija plava na hover */
  transform: scale(1.2);
}

.main-header {
  width: 100%;
  background-color: #007BFF;  /* lepa plava boja */
  padding: 12px 20px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  transition: color 0.3s ease;
}

.nav-links li a:hover,
.nav-links li a:focus {
  color: #ffe600; /* žuta boja na hover */
  outline: none;
}

/* Responsive - na mobilnim manjim ekranima */
@media (max-width: 480px) {
  .nav-links {
    flex-direction: column;
    gap: 10px;
  }
}