<form class="csb-load" role="search">
  <label class="csb-sr" for="csb-load-i">Search</label>
  <span class="csb-load-icon">
    <svg class="csb-load-glass" viewBox="0 0 24 24" aria-hidden="true">
      <circle cx="11" cy="11" r="7" />
      <path d="m20 20-3.5-3.5" />
    </svg>
    <span class="csb-load-spin"></span>
  </span>
  <input id="csb-load-i" type="search" name="q" placeholder="Press Enter to search..." />
</form>

.csb-load {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: #1a1a28;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
}
.csb-load:focus-within { border-color: #7c6cff; }
.csb-load-icon { position: relative; width: 16px; height: 16px; flex-shrink: 0; }
.csb-load-glass, .csb-load-spin {
  position: absolute; inset: 0;
  transition: opacity 0.2s;
}
.csb-load-glass { fill: none; stroke: #7a7899; stroke-width: 2; stroke-linecap: round; }
.csb-load-spin {
  border: 2px solid rgba(124,108,255,0.2);
  border-top-color: #7c6cff;
  border-radius: 50%;
  opacity: 0;
  animation: csb-load-rot 0.7s linear infinite;
}
.csb-load.is-loading .csb-load-glass { opacity: 0; }
.csb-load.is-loading .csb-load-spin  { opacity: 1; }
.csb-load input {
  flex: 1; min-width: 200px; padding: 0;
  border: 0; outline: none; background: transparent;
  color: #f0eeff; font: 500 14px/1 system-ui, sans-serif;
}
.csb-load input::placeholder { color: #b8b6d4; }
@keyframes csb-load-rot { to { transform: rotate(360deg); } }

.csb-sr {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  .csb-load,
  .csb-load * {
    animation: none !important;
  }
}

document.querySelectorAll('.csb-load').forEach(function(form) {
  form.addEventListener('submit', function(e) {
    e.preventDefault();
    form.classList.add('is-loading');
    setTimeout(function() { form.classList.remove('is-loading'); }, 1500);
  });
});