/* 模态框组件样式 - CutestUI */

/* CSS 变量定义 */
:root {
  --modal-backdrop-bg: rgba(0, 0, 0, 0.5);
  --modal-bg: white;
  --modal-border-color: #e5e7eb;
  --modal-border-radius: 0.5rem;
  --modal-box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --modal-header-bg: transparent;
  --modal-header-padding: 1.5rem 1.5rem 1rem;
  --modal-content-padding: 1rem 1.5rem;
  --modal-footer-padding: 1rem 1.5rem 1.5rem;
  --modal-max-width: 500px;
  --modal-title-font-size: 1.125rem;
  --modal-title-font-weight: 600;
  --modal-close-color: #6b7280;
  --modal-close-hover-color: #374151;
  --modal-transition-speed: 0.3s;
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
  :root {
    --modal-backdrop-bg: rgba(0, 0, 0, 0.7);
    --modal-bg: #1f2937;
    --modal-border-color: #374151;
    --modal-header-bg: transparent;
    --modal-title-color: white;
    --modal-close-color: #9ca3af;
    --modal-close-hover-color: white;
  }
}

/* 模态框容器 - 默认隐藏 */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2000;
  width: 100%;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  outline: 0;
}

/* 模态框显示状态 */
.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 背景遮罩 */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1999;
  width: 100%;
  height: 100%;
  background-color: var(--modal-backdrop-bg);
  opacity: 0;
  transition: opacity var(--modal-transition-speed) ease;
}

/* 模态框显示时背景遮罩效果 */
.modal.show .modal-backdrop {
  opacity: 1;
}

/* 模态框内容容器 */
.modal-container {
  position: relative;
  width: 100%;
  max-width: var(--modal-max-width);
  margin: 1.75rem;
  transform: translateY(-20px);
  opacity: 0;
  z-index: 2001; /* 确保内容显示在背景遮罩之上 */
  transition: transform var(--modal-transition-speed) ease, opacity var(--modal-transition-speed) ease;
}

/* 模态框显示时内容动画 */
.modal.show .modal-container {
  transform: translateY(0);
  opacity: 1;
}

/* 模态框主体 */
.modal-body {
  background-color: var(--modal-bg);
  border: 1px solid var(--modal-border-color);
  border-radius: var(--modal-border-radius);
  box-shadow: var(--modal-box-shadow);
  position: relative;
  display: flex;
  flex-direction: column;
  outline: 0;
}

/* 模态框头部 */
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--modal-header-padding);
  background-color: var(--modal-header-bg);
  border-bottom: 1px solid var(--modal-border-color);
  border-top-left-radius: var(--modal-border-radius);
  border-top-right-radius: var(--modal-border-radius);
}

/* 模态框标题 */
.modal-title {
  font-size: var(--modal-title-font-size);
  font-weight: var(--modal-title-font-weight);
  color: var(--modal-title-color, inherit);
  margin: 0;
}

/* 模态框关闭按钮 */
.modal-close {
  background: transparent;
  border: 0;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1;
  color: var(--modal-close-color);
  opacity: 1;
  cursor: pointer;
  padding: 0;
  border-radius: 0.25rem;
  transition: color var(--modal-transition-speed) ease;
}

/* 模态框关闭按钮悬停效果 */
.modal-close:hover {
  color: var(--modal-close-hover-color);
}

/* 模态框内容区 */
.modal-content {
  padding: var(--modal-content-padding);
  flex: 1 1 auto;
}

/* 模态框页脚 */
.modal-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
  padding: var(--modal-footer-padding);
  border-top: 1px solid var(--modal-border-color);
}

/* 模态框变体：居中 */
/* 已在.modal.show中实现居中效果 */
.modal.-centered .modal-container {
  /* 可以在这里添加居中模态框特定的样式 */
  max-width: var(--modal-max-width);
}

/* 模态框变体：小尺寸 */
.modal.-small .modal-container {
  max-width: 300px;
}

/* 模态框变体：大尺寸 */
.modal.-large .modal-container {
  max-width: 800px;
}

/* 模态框变体：全宽 */
.modal.-full-width .modal-container {
  max-width: 100%;
  width: 100%;
  margin: 0;
}

/* 模态框变体：底部弹出 */
.modal.-bottom {
  align-items: flex-end;
  justify-content: center;
}

.modal.-bottom.show {
  align-items: flex-end;
  justify-content: center;
}

.modal.-bottom .modal-container {
  max-width: 100%;
  width: 100%;
  margin: 0;
  transform: translateY(100%);
  transition: transform var(--modal-transition-speed) ease;
}

.modal.-bottom.show .modal-container {
  transform: translateY(0);
}

.modal.-bottom .modal-body {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

/* 模态框变体：侧边弹出 */
.modal.-left {
  align-items: flex-start;
  justify-content: flex-start;
}

.modal.-left.show {
  align-items: flex-start;
  justify-content: flex-start;
}

.modal.-left .modal-container {
  max-width: 400px;
  width: 100%;
  margin: 0;
  transform: translateX(-100%);
  transition: transform var(--modal-transition-speed) ease;
}

.modal.-left.show .modal-container {
  transform: translateX(0);
}

.modal.-left .modal-body {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  height: 100vh;
}

.modal.-right {
  align-items: flex-end;
  justify-content: flex-end;
}

.modal.-right.show {
  align-items: flex-end;
  justify-content: flex-end;
}

.modal.-right .modal-container {
  max-width: 400px;
  width: 100%;
  margin: 0;
  transform: translateX(100%);
  transition: transform var(--modal-transition-speed) ease;
}

.modal.-right.show .modal-container {
  transform: translateX(0);
}

.modal.-right .modal-body {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  height: 100vh;
}

/* 响应式设计 */
@media (max-width: 640px) {
  .modal-container {
    margin: 0.5rem;
  }
  
  .modal-header {
    padding: 1rem 1rem 0.5rem;
  }
  
  .modal-content {
    padding: 0.5rem 1rem;
  }
  
  .modal-footer {
    padding: 0.5rem 1rem 1rem;
  }
  
  .modal-title {
    font-size: 1rem;
  }
  
  .modal.-large .modal-container {
    max-width: 100%;
  }
  
  .modal.-left .modal-container,
  .modal.-right .modal-container {
    max-width: 100%;
  }
}

/* 淡入淡出动画类 */
.fade-in {
  animation: fadeIn var(--modal-transition-speed) ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* 缩放动画类 */
.zoom-in {
  animation: zoomIn var(--modal-transition-speed) ease;
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* 滑动进入动画类 */
.slide-in-top {
  animation: slideInTop var(--modal-transition-speed) ease;
}

@keyframes slideInTop {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 加载状态指示器 */
.modal-loading {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100px;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--modal-border-color);
  border-radius: 50%;
  border-top-color: currentColor;
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* 模态框内容滚动 */
.modal-content-scroll {
  max-height: 60vh;
  overflow-y: auto;
}