body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0f2442;
  color: white;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  text-align: center;
}

input {
  width: 320px;
  padding: 12px;
  border-radius: 8px;
  border: none;
  margin-bottom: 10px;
  font-size: 14px;
}

button {
  background: #35a8f0;
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: 0.2s;
}

button:hover {
  transform: scale(1.05);
}

#resultado {
  margin-top: 20px;
  min-height: 40px; /* garante espaço para o spinner */
  display: flex;
  justify-content: center;
  align-items: center;
}

.short-link {
  color: white;
  text-decoration: underline;
  cursor: pointer;
  font-size: 14px;
}

.error {
  color: red;
  font-weight: bold;
}

/* Spinner */
.loading {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid #555;
  border-top-color: #35a8f0;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Toast */
#toast {
  position: fixed;
  top: 20px;
  right: -400px;
  background: #35a8f0;
  padding: 14px 22px;
  border-radius: 10px;
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

#toast.show {
  transform: translateX(-420px);
  opacity: 1;
}

#toast.hide {
  opacity: 0;
}