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AI Thinking Text Animation CSS

Keep users waiting happily with an AI thinking text animation. We fade a glowing gradient across the text smoothly, so it looks like it is processing data, but remains lightweight.

942

#css

#animation #text effect #ai #loading

#gradient text

#shimmer

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*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background: #0f172a;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  margin: 0;
  padding: 20px;
}

.ai-box {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

.ai-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.ai-header h3 {
  color: #f8fafc;
  margin: 0;
  font-size: 1.125rem;
}

.message-bubble {
  background: rgba(0, 0, 0, 0.2);
  padding: 16px 20px;
  border-radius: 12px;
  border-bottom-left-radius: 2px;
}

.gradient-text {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.6;
  font-weight: 500;
  /* The Magic Gradient Animation */
  background: linear-gradient(
    90deg, 
    #94a3b8 0%, 
    #f8fafc 25%, 
    #a855f7 50%, 
    #f8fafc 75%, 
    #94a3b8 100%
  );
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  animation: shine 3s linear infinite;
}

@keyframes shine {
  to {
    background-position: 200% center;
  }
}

AI Thinking Text Animation CSS

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