body {
  font-family: "Segoe UI", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #0f172a;
  color: white;
  margin: 0;
}

.card {
  background: #1e293b;
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
}

.source {
  font-size: 12px;
  color: #94a3b8;
  margin: -0.5rem 0 1rem;
}

.source span {
  color: #38bdf8;
}

#quote-area {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

#frase {
  line-height: 1.7;
}

.quote-text {
  font-style: italic;
  font-size: 1rem;
}

.quote-author {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.875rem;
  color: #94a3b8;
  font-weight: 600;
}

.quote-category {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  background-color: #0c4a6e;
  color: #38bdf8;
  padding: 2px 10px;
  border-radius: 999px;
}

.btn-row {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

button {
  background-color: #38bdf8;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  color: #0f172a;
  transition:
    transform 0.2s,
    background 0.3s;
}

button:hover {
  background-color: #7dd3fc;
  transform: scale(1.05);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

#btn-api {
  background-color: transparent;
  border: 1px solid #38bdf8;
  color: #38bdf8;
}

#btn-api:hover {
  background-color: #0c4a6e;
}