* {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  box-sizing: border-box;
}

body {
  background: #262a2f;
}

.container {
  width: 400px;
  padding: 25px 35px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: #fafafa;
  border-radius: 12px;
}

.container p {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 8px;
  text-align: center;
}

.container input {
  width: 100%;
  height: 50px;
  border: 1px solid #dbdbdb;
  outline: 0;
  padding: 20px;
  margin: 10px 0 20px;
  border-radius: 50px;
}

.container button {
  border: none;
  border-radius: 50px;
  height: 50px;
  width: 100%;
  margin: 10px 0;
  cursor: pointer;
  font-weight: 500;
  box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
  transition: background 0.3s ease;
}

.generate-btn {
  background: #494eea;
  color: #fff;
}

.clear-btn {
  background: #ff4d4d;
  color: #fff;
}

.generate-btn:hover {
  background: #3b3fd1;
}

.clear-btn:hover {
  background: #e03b3b;
}

#imgBox {
  width: 200px;
  border-radius: 6px;
  max-height: 0;
  overflow: hidden;
  margin: 10px auto;
  transition: max-height 1s;
}

#imgBox img {
  width: 100%;
  padding: 10px;
}

#imgBox.show-img {
  max-height: 300px;
  border: 1px solid #dbdbdb;
}

input.error {
  animation: shake 0.1s linear 10;
  border-color: #ff4d4d;
}
@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-2px);
  }
  50% {
    transform: translateX(0);
  }
  75% {
    transform: translateX(2px);
  }
  100% {
    transform: translateX(0);
  }
}

/* Адаптивність */
@media (max-width: 525px) {
  .container {
    width: 300px;
  }
}