.search-submit-btn.is-search-loading,
.btn.is-search-loading {
  position: relative;
  opacity: 0.82;
  cursor: wait !important;
  transform: none;
  border-color: var(--disabled-border, color-mix(in srgb, var(--border) 86%, var(--text-muted) 14%)) !important;
  background: color-mix(in srgb, var(--primary, #2563eb) 14%, var(--disabled-bg, var(--bg-soft, #f8fafc))) !important;
  color: color-mix(in srgb, var(--primary, #2563eb) 62%, var(--disabled-text, var(--text-muted, #64748b))) !important;
  -webkit-text-fill-color: color-mix(in srgb, var(--primary, #2563eb) 62%, var(--disabled-text, var(--text-muted, #64748b)));
}

.search-submit-btn.is-search-loading {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 14%, transparent);
}

.btn.is-search-loading:not(.search-submit-btn)::after,
.search-submit-btn.is-search-loading::after {
  content: "";
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  animation: inline-search-loading-spin 0.72s linear infinite;
}

.btn.is-search-loading:not(.search-submit-btn)::after {
  display: inline-block;
  margin-left: 0.45rem;
  vertical-align: -0.15em;
}

.search-submit-btn.is-search-loading i {
  display: none;
}

.search-empty-state {
  position: relative;
  overflow: hidden;
  padding: 1.6rem;
  border-radius: 28px;
  border: 1px solid color-mix(in srgb, var(--primary) 10%, var(--border));
  background: color-mix(in srgb, var(--bg-elevated) 96%, transparent);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.search-empty-state::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(45, 212, 191, 0.35), rgba(37, 99, 235, 0.45), transparent);
}

html[data-theme="dark"] .search-empty-state {
  border-color: rgba(148, 163, 184, 0.18);
  background: color-mix(in srgb, var(--bg-elevated) 92%, rgba(15, 23, 42, 0.96));
}

@keyframes inline-search-loading-spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 767.98px) {
  .search-empty-state {
    border-radius: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .btn.is-search-loading:not(.search-submit-btn)::after,
  .search-submit-btn.is-search-loading::after {
    animation: none;
  }
}