/* =============================================================================
 * styles.css — Tailwind 之外的少量自定义
 * 仅放 Tailwind 不便表达的细节：滚动条美化、弹窗动画。
 * ========================================================================== */

/* 滚动条（仅 WebKit 系，Firefox 自动忽略） */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgb(148 163 184 / 0.4);
  border-radius: 9999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background: rgb(148 163 184 / 0.7);
  background-clip: padding-box;
}

/* 弹窗入场动画 */
#modal:not(.hidden) .modal-card {
  animation: modal-in 0.16s ease-out;
}
@keyframes modal-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 全局过渡，主题切换更顺滑 */
body,
aside,
header,
.modal-card {
  transition: background-color 0.2s ease, border-color 0.2s ease;
}