/**
 * AI聊天模块 - 基础样式
 * 定义全局CSS变量和基础样式重置
 */

:root {
    --bg-color: #e6f2ff;
    --sidebar-bg: #ffffff;
    --text-color: #262626;
    --text-secondary: #8c8c8c;
    --text-tertiary: #8c8c8c;
    --input-bg: #ffffff;
    --hover-color: #e6f2ff;
    --primary-color: #1677ff;
    --primary-hover: #0d47a1;
    --primary-active: #0d47a1;
    --secondary-color: #40a9ff;
    --accent-light: #e6f2ff;
    --border-color: #e8e8e8;
    --btn-active: #ffffff;
    --btn-disabled: #d9d9d9;
    --transition-speed: 0.3s;
    --sidebar-width: 260px;
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-bg-hover: rgba(255, 255, 255, 0.35);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: rgba(22, 119, 255, 0.1);
    --glass-blur: 12px;
    --user-glass-bg: rgba(22, 119, 255, 0.65);
    --user-glass-bg-hover: rgba(22, 119, 255, 0.75);
    --user-glass-border: rgba(255, 255, 255, 0.3);
    --chat-max-width: 800px;
    --input-max-width: 768px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    overflow: hidden;
}

/* 响应式设计 - 小屏幕禁用 flex 布局，避免主界面被挤压 */
@media (max-width: 768px) {
    body {
        display: block;
    }
    
    .main-content {
        width: 100%;
        height: 100vh;
    }
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(22, 119, 255, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(22, 119, 255, 0.5);
}

/* 模态框样式 */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
  background-color: #fff;
  margin: 15% auto;
  padding: 20px;
  border: 1px solid #e8e8e8;
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  animation: modal-fade-in 0.3s ease;
}

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

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #e8e8e8;
}

.modal-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-color);
}

.close-btn {
  color: var(--text-secondary);
  float: right;
  font-size: 24px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s;
}

.close-btn:hover {
  color: var(--text-color);
}

.modal-body {
  margin-bottom: 20px;
}

.rename-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.rename-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid #e8e8e8;
}

.cancel-btn,
.confirm-btn {
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.cancel-btn {
  background-color: var(--hover-color);
  color: var(--text-color);
}

.cancel-btn:hover {
  background-color: #e5e7eb;
}

.confirm-btn {
  background-color: var(--primary-color);
  color: white;
}

.confirm-btn:hover {
  background-color: var(--primary-hover);
}