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

body {
  font-family: 'Poppins', sans-serif;
  background: #f9f9f9;
  color: #333;
  padding: 20px;
  transition: background 0.3s, color 0.3s;
}

body.dark {
  background: #121212;
  color: #f1f1f1;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 10px;
}

header p {
  color: #6c757d;
}

.gallery {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  background: var(--card-bg, #fff);
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

body.dark .card {
  background: #1e1e1e;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  width: 100%;
  border-radius: 8px;
}

.card h3 {
  margin-top: 10px;
  font-size: 1.1rem;
}

.card p {
  font-size: 0.95rem;
  color: #555;
}

body.dark .card p {
  color: #ccc;
}

.card span {
  display: block;
  margin: 8px 0;
  font-size: 0.9rem;
  color: #444;
}

body.dark .card span {
  color: #bbb;
}

.card button {
  padding: 8px 12px;
  background: #007BFF;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.card button:hover {
  background: #0056b3;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  padding-top: 50px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.8);
  
}

.modal-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80vh;
  border-radius: 10px;
  transition: transform 0.3s ease;
}


.close {
  position: absolute;
  top: 30px;
  right: 50px;
  color: white;
  font-size: 35px;
  cursor: pointer;
}

/* Toggle button */
#toggleMode {
  position: fixed;
  bottom: 20px;
  right: 20px;
  padding: 10px 15px;
  background: #222;
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  z-index: 2000;
  transition: background 0.3s;
}

#toggleMode:hover {
  background: #444;
}

body.dark #toggleMode {
  background: #eee;
  color: #111;
}

/* Responsive Fixes */
@media (max-width: 480px) {
  header h1 {
    font-size: 1.6rem;
  }

  .card h3 {
    font-size: 1rem;
  }

  .card p,
  .card span {
    font-size: 0.85rem;
  }

  .card button {
    font-size: 0.85rem;
    padding: 6px 10px;
  }

  #toggleMode {
    font-size: 0.85rem;
    padding: 8px 12px;
  }
}