.naas-container {
  max-width: 700px;
  margin: 0 auto;
}

.naas-header {
  text-align: center;
  margin-bottom: 2rem;
}

.naas-card {
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: 0.75rem;
  padding: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
}

.no-display {
  margin-bottom: 2rem;
}

.no-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 1.5rem;
  transition: transform 0.3s ease;
}

.no-icon.shake {
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: rotate(0deg); }
  20% { transform: rotate(-10deg); }
  40% { transform: rotate(10deg); }
  60% { transform: rotate(-5deg); }
  80% { transform: rotate(5deg); }
}

.no-text {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.6;
  min-height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.generate-btn {
  padding: 1rem 2.5rem;
  background: var(--color-primary);
  color: white;
  border: 2px solid var(--color-primary);
  border-radius: 0.5rem;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-body);
}

.generate-btn:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  transform: translateY(-2px);
}

.generate-btn:active {
  transform: scale(0.95);
}

.generate-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.history-section {
  margin-bottom: 2rem;
}

.history-section h2 {
  margin-bottom: 1.25rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.history-item {
  background: var(--color-bg-secondary);
  border: 2px solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: all 0.3s ease;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.history-item:hover {
  border-color: var(--color-primary);
}

.history-number {
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  background: var(--color-primary);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.history-text {
  font-size: 0.95rem;
  color: var(--color-text);
}

.empty-state {
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: 1.5rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  padding: 0.75rem 1.5rem;
  border: 2px solid var(--color-border);
  border-radius: 0.5rem;
  background: var(--color-bg-secondary);
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
}

.back-link:hover {
  border-color: var(--color-primary);
  background: var(--color-bg);
}

@media (max-width: 600px) {
  .naas-card {
    padding: 1.5rem;
  }

  .no-icon {
    font-size: 3rem;
  }

  .no-text {
    font-size: 1.1rem;
  }
}