Cyrene/frontend/web/src/index.css

@tailwind base;
@tailwind components;
@tailwind utilities;

/* ===== 昔涟主题全局样式 ===== */

@layer base {
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  html,
  body,
  #root {
    height: 100%;
    overflow: hidden;
  }

  body {
    font-family:
      'Noto Sans SC',
      -apple-system,
      BlinkMacSystemFont,
      'Segoe UI',
      Roboto,
      sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #FFFAF5;
  }

  ::selection {
    background: rgba(244, 114, 182, 0.3);
    color: #9d174d;
  }

  /* 滚动条美化 */
  ::-webkit-scrollbar {
    width: 6px;
  }
  ::-webkit-scrollbar-track {
    background: transparent;
  }
  ::-webkit-scrollbar-thumb {
    background: rgba(244, 114, 182, 0.3);
    border-radius: 3px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: rgba(244, 114, 182, 0.5);
  }
}

/* ===== 动画 ===== */
@layer utilities {
  .animate-bounce {
    animation: bounce 0.8s ease-in-out infinite;
  }

  @keyframes bounce {
    0%,
    100% {
      transform: translateY(0);
    }
    50% {
      transform: translateY(-4px);
    }
  }
}

/* ===== 流式渲染动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* 流式消息容器：轻微淡入效果 */
.message-streaming {
  animation: fadeInUp 0.3s ease-out;
}

/* 独立的闪烁光标工具类，可用于显式 span 元素 */
.animate-streaming-cursor {
  display: inline;
}

.animate-streaming-cursor::after {
  content: '▊';
  animation: cursorBlink 1s step-end infinite;
  color: #7c3aed;
  margin-left: 2px;
}

/* ===== 聊天背景 ===== */
.chat-background {
  position: relative;
  isolation: isolate;
  background-image: url('/images/Cyrene_ChatBackground/Vertical/2nd_Form/1.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* 半透明遮罩：避免背景色彩过于鲜艳影响阅读 */
.chat-background::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.5);
  pointer-events: none;
  z-index: -1;
}

/* 横屏时使用 Landscape 背景 */
@media (orientation: landscape) {
  .chat-background {
    background-image: url('/images/Cyrene_ChatBackground/Landscape/3rd_Form/1.png');
  }
}

/* 深色模式 */
@media (prefers-color-scheme: dark) {
  body {
    background: #1a1a2e;
  }

  ::selection {
    background: rgba(244, 114, 182, 0.2);
    color: #fbcfe8;
  }

  .chat-background::before {
    background: rgba(0, 0, 0, 0.4);
  }
}

/* ===== 语音识别动画 ===== */
@keyframes voice-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(239, 68, 68, 0); }
}

.voice-btn-active {
  animation: voice-pulse 1.5s ease-in-out infinite;
}

/* 实时识别文本淡入效果 */
@keyframes interim-fade {
  from { opacity: 0.5; }
  to { opacity: 0.9; }
}

.interim-text {
  animation: interim-fade 0.3s ease-in-out;
}

/* ===== TTS 文字转语音动画 ===== */
@keyframes tts-wave {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.85;
  }
}

.tts-playing {
  animation: tts-wave 1s ease-in-out infinite;
}