body {
  font-family: "Noto Sans KR", sans-serif;
  background: linear-gradient(135deg, #d8e2dc, #e9ecef);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
  box-sizing: border-box;
  color: #343a40;
}

.container {
  width: 100%;
  max-width: 700px;
  background-color: rgba(250, 250, 250, 0.85);
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
  padding: 40px;
  text-align: center;
  backdrop-filter: blur(10px);
}

.quote-box {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.quote-text {
  font-size: 1.8rem;
  line-height: 1.6;
  font-style: italic;
  position: relative;
  padding: 15px;
  transition: color 0.3s ease;
  color: #495057;
}

.quote-text::before,
.quote-text::after {
  content: '"';
  font-size: 4rem;
  color: #ced4da;
  position: absolute;
  opacity: 0.7;
}

.quote-text::before {
  top: -15px;
  left: 0;
}

.quote-text::after {
  bottom: -25px;
  right: 0;
}

.author-text {
  font-size: 1.2rem;
  text-align: right;
  font-weight: 700;
  color: #495057;
  transition: color 0.3s ease;
}

.new-quote-button {
  background-color: #5c8a8a;
  color: white;
  padding: 15px 30px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1.1rem;
  position: relative;
  overflow: hidden;
  background: linear-gradient(to right, #5c8a8a 50%, #8ac6d1 50%);
  background-size: 200% 100%;
  background-position: right;
  transition: background-position 0s ease;
}

.new-quote-button.loading {
  background-position: left;
  transition: background-position 10s ease-in-out;
}

@media (max-width: 600px) {
  .quote-text {
    font-size: 1.5rem;
  }

  .author-text {
    font-size: 1.1rem;
  }

  .container {
    padding: 20px;
  }
}