body {
  margin: 0;
  background: #0f172a;
  color: white;
  font-family: Arial, sans-serif;
}

.container {
  max-width: 960px;
  margin: auto;
  padding: 40px 20px;
}

h1 {
  text-align: center;
  margin-bottom: 30px;
}

.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
}

input {
  flex: 1;
  padding: 14px;
  font-size: 16px;
  border: none;
  border-radius: 12px;
}

button {
  padding: 14px 20px;
  border: none;
  border-radius: 12px;
  background: #2563eb;
  color: white;
  cursor: pointer;
  font-size: 16px;
}

button:hover {
  background: #1d4ed8;
}

.verb-title {
  margin-bottom: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.tense-card {
  background: #1e293b;
  padding: 20px;
  border-radius: 16px;
}

.tense-card h2 {
  margin-top: 0;
}

.tense-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.tense-card li {
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.error {
  color: #f87171;
}