Tag Chip Input

<!--
  Author: @emma-lake
  License: MIT
  Tags: #buttons #css #interface #opensource #codepeek
-->
<div class="tag-input">
  <span class="tag-input__chip">design <button>&times;</button></span>
  <span class="tag-input__chip">frontend <button>&times;</button></span>
  <input type="text" class="tag-input__field" placeholder="Add tag..." />
</div>

/*
 * Author: @emma-lake
 * License: MIT
 * Tags: #buttons #css #interface #opensource #codepeek
 */

.tag-input {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  width: 280px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #17171d;
  border: 1px solid #2a2a33;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  animation: tag-input-breathe 3.6s ease-in-out infinite;
}
@keyframes tag-input-breathe {
  0%, 100% { box-shadow: 0 0 0 0 rgba(192, 132, 252, 0); }
  50% { box-shadow: 0 0 0 3px rgba(192, 132, 252, 0.08); }
}
.tag-input:focus-within {
  border-color: #c084fc;
  box-shadow: 0 0 0 4px rgba(192, 132, 252, 0.15);
}
.tag-input__chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px 5px 12px;
  border-radius: 999px;
  background: rgba(192, 132, 252, 0.15);
  color: #d8b4fe;
  font-family: system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
  animation: chip-pop 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), chip-float 2.8s ease-in-out infinite 0.3s;
}
.tag-input__chip:nth-of-type(2) { animation-delay: 0s, 0.4s; }
.tag-input__chip button {
  border: none;
  background: rgba(192, 132, 252, 0.25);
  color: #d8b4fe;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  font-size: 11px;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}
.tag-input__chip button:hover {
  transform: scale(1.2);
  background: rgba(192, 132, 252, 0.45);
}
.tag-input__field {
  flex: 1;
  min-width: 80px;
  border: none;
  outline: none;
  background: transparent;
  color: #f1f1f1;
  font-family: system-ui, sans-serif;
  font-size: 13px;
  padding: 5px 0;
}
@keyframes chip-pop {
  0% { transform: scale(0.6); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes chip-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}