nl-im-pc/src/style.css

@import "tailwindcss";
@import "tailwindcss/utilities";

/* 自定义CSS变量 */
:root {
  --primary: #4361ee;
  --secondary: #3f37c9;
  --success: #4cc9f0;
  --light: #f8f9fa;
  --dark: #212529;
  --light-blue: #e3f2fd;
  --light-green: #f1f8e9;
  --accent: #ff6b6b;
  --gray: #6c757d;

  /* 亮色模式变量 */
  --bg-primary: #ffffff;
  --bg-secondary: #f8f9fa;
  --bg-tertiary: #e9ecef;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --border-color: #e1e5eb;
  --shadow: rgba(0, 0, 0, 0.1);
  --message-bg-sent: linear-gradient(135deg, #4361ee, #3f37c9);
  --message-bg-received: #ffffff;
  --message-text-sent: #ffffff;
  --message-text-received: #212529;
  --input-bg: #ffffff;
  --header-bg: #ffffff;

  /* 亮色模式背景装饰 */
  --bg-pattern: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" opacity="0.03"><rect width="100" height="100" fill="none"/><circle cx="50" cy="50" r="2" fill="%234361ee"/></svg>');
  --chat-bg: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

[data-theme="dark"] {
  /* 暗色模式变量 */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #404040;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --border-color: #404040;
  --shadow: rgba(0, 0, 0, 0.3);
  --message-bg-sent: linear-gradient(135deg, #4361ee, #3f37c9);
  --message-bg-received: #2d2d2d;
  --message-text-sent: #ffffff;
  --message-text-received: #ffffff;
  --input-bg: #2d2d2d;
  --header-bg: #2d2d2d;

  /* 暗色模式背景装饰 */
  --bg-pattern: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" opacity="0.05"><rect width="100" height="100" fill="none"/><path d="M0,0 L100,100 M100,0 L0,100" stroke="%234cc9f0" stroke-width="0.5"/></svg>');
  --chat-bg: linear-gradient(135deg, #111827 0%, #1f2937 100%);
}

/* 全局样式 */
* {
  font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial,
  sans-serif;
}

body {
  margin: 0;
  padding: 0;
  transition: all 0.3s ease;
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* 主应用背景 */
#app {
  background: var(--chat-bg);
  background-image: var(--bg-pattern);
  background-size: 200px 200px;
  min-height: 100vh;
}

/* 聊天区域背景 */
.chat-area {
  background: var(--bg-primary);
  background-image: var(--bg-pattern);
  background-size: 150px 150px;
}

/* 消息列表背景 */
.message-list-background {
  background: var(--bg-secondary);
  background-image: var(--bg-pattern);
  background-size: 100px 100px;
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb {
  background: var(--text-secondary);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Ant Design 组件样式覆盖 */
.ant-input:focus,
.ant-input-focused {
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2) !important;
}

.ant-btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.ant-btn-primary:hover {
  background: var(--secondary);
  border-color: var(--secondary);
}

/* 暗色模式下的Ant Design组件样式 */
[data-theme="dark"] .ant-input {
  background-color: #374151 !important;
  border-color: #4b5563 !important;
  color: #f3f4f6 !important;
}

[data-theme="dark"] .ant-input::placeholder {
  color: #9ca3af !important;
}

[data-theme="dark"] .ant-input:focus,
[data-theme="dark"] .ant-input-focused {
  background-color: #4b5563 !important;
  border-color: var(--primary) !important;
}

[data-theme="dark"] .ant-textarea {
  background-color: #374151 !important;
  border-color: #4b5563 !important;
  color: #f3f4f6 !important;
}

[data-theme="dark"] .ant-btn {
  background-color: #374151 !important;
  border-color: #4b5563 !important;
  color: #f3f4f6 !important;
}

[data-theme="dark"] .ant-btn:hover {
  background-color: #4b5563 !important;
  border-color: #6b7280 !important;
}

[data-theme="dark"] .ant-dropdown {
  background-color: #374151 !important;
}

[data-theme="dark"] .ant-dropdown .ant-dropdown-menu {
  background-color: #374151 !important;
  border-color: #4b5563 !important;
}

[data-theme="dark"] .ant-dropdown .ant-dropdown-menu-item {
  color: #f3f4f6 !important;
}

[data-theme="dark"] .ant-dropdown .ant-dropdown-menu-item:hover {
  background-color: #4b5563 !important;
}

[data-theme="dark"] .ant-modal {
  background-color: #374151 !important;
}

[data-theme="dark"] .ant-modal-content {
  background-color: #374151 !important;
}

[data-theme="dark"] .ant-modal-header {
  background-color: #374151 !important;
  border-bottom-color: #4b5563 !important;
}

[data-theme="dark"] .ant-modal-title {
  color: #f3f4f6 !important;
}

[data-theme="dark"] .ant-modal-body {
  color: #f3f4f6 !important;
}

/* 动画 */
@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.animate-pulse {
  animation: pulse 1s infinite;
}

/* 渐变动画 */
@keyframes gradient-shift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.gradient-animated {
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .chat-container {
    margin: 0;
    border-radius: 0;
    height: 100vh;
  }
}

@media (max-width: 768px) {
  .friend-list {
    width: 280px;
    min-width: 280px;
  }

  .chat-area {
    min-width: 400px;
  }

  #app {
    background-size: 150px 150px;
  }
}

/* 自定义组件样式 */
.custom-input,
.custom-textarea {
  background: var(--input-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
}

.custom-input:focus,
.custom-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

/* 卡片样式 */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 8px var(--shadow);
}

/* 按钮样式 */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  transition: all 0.3s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

/* 主题切换动画 */
* {
  transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}