body {
  font-family: Arial, sans-serif;
  background: #f0f0f0;
  padding: 20px;
  margin: 0;
}

h1 {
  text-align: center;
  color: #2c3e50;
  margin-bottom: 30px;
  font-size: 1.8em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  padding: 0 10px;
}

.card {
  background: white;
  padding: 15px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  transition: transform 0.2s;
}

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

.card h2 {
  margin: 0 0 10px 0;
  color: #0066cc;
  font-size: 0.95em;
}

.card p {
  margin: 5px 0;
  font-size: 0.95em;
  color: #444;
}

.card-footer {
  margin-top: 12px;
  font-size: 0.85em;
  color: #666;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 1.0em;
  height: 1.0em;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
  vertical-align: middle;
}

.blink {
  animation: blink 1s infinite;
}

@keyframes blink {
  0%   { opacity: 1; }
  50%  { opacity: 0.2; }
  100% { opacity: 1; }
}

.theme-toggle {
  text-align: center;
  margin-bottom: 20px;
}

.theme-toggle label {
  font-size: 1em;
  color: #333;
}

.dark-mode .theme-toggle label {
  color: #eee;
}

.dark-mode {
  background-color: #121212;
  color: #eee;
}

.dark-mode .card {
  background-color: #1e1e1e;
  color: #ddd;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.05);
}

.dark-mode .card h2 {
  color: #66ccff;
}

.dark-mode .card p {
  color: #ccc;
}

.dark-mode .card-footer {
  color: #aaa;
}

.dark-mode .dot {
  border: 1px solid #444;
}

@media (max-width: 600px) {
  h1 {
    font-size: 1.4em;
  }

  .card {
    padding: 12px 15px;
  }

  .card h2 {
    font-size: 1em;
  }

  .card p {
    font-size: 0.9em;
  }

  .card-footer {
    font-size: 0.8em;
  }
}