.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 14px 20px;
  border-radius: 14px;
  font-family: 'Pretendard', 'Pretendard Variable', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  z-index: 9999;
  opacity: 0;
  background-color: var(--surface, #ffffff);
  color: var(--text-strong, #16324a);
  border: 1px solid var(--border, #e5e8eb);
  box-shadow: var(--shadow-lg, 0 8px 20px rgba(15, 31, 46, 0.10), 0 30px 60px rgba(15, 31, 46, 0.14));
  transition: opacity 0.3s cubic-bezier(0.19, 1, 0.22, 1), transform 0.3s cubic-bezier(0.19, 1, 0.22, 1);
  transform: translateY(-8px);
}

.toast--success { border-left: 4px solid var(--success, #18a387); }
.toast--error   { border-left: 4px solid var(--danger, #d9603f); }
.toast--info    { border-left: 4px solid var(--accent, #27e6ec); }