.config {
  position: absolute;
  top: 5.75rem;
  right: 1.5rem;
  width: min(360px, calc(100% - 3rem));
  background: var(--bg-settings, #ffffff);
  border-radius: 18px;
  padding: 1.25rem;
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 0.85rem;
  z-index: 30;
}

.config--open {
  animation: configIn 0.22s ease;
}

@keyframes configIn {
  from {
    opacity: 0;
    transform: translateY(-6px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.config[hidden] {
  display: none;
}

.config h2 {
  margin: 0;
  font-size: 1.1rem;
}

.config__grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: 1fr;
}

.config__section {
  background: var(--bg-card);
  border-radius: 16px;
  display: block;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.config__section + .config__section {
  margin-top: 0.2rem;
}

.config__section-summary {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 1rem 1rem 0.85rem;
  cursor: pointer;
  list-style: none;
  position: relative;
}

.config__section-summary::-webkit-details-marker {
  display: none;
}

.config__section-summary::after {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(45deg);
  transition: transform 0.2s ease;
  position: absolute;
  right: 1rem;
  top: 1.15rem;
}

.config__section[open] .config__section-summary::after {
  transform: rotate(225deg);
}

.config__section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-heading);
}

.config__section-subtitle {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.config__group legend {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.95rem;
  display: block;
  margin: 0.35rem 0 0.4rem;
}

.config__section .config__group {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--border-light);
}

.config__group {
  display: grid;
  gap: 0.6rem;
  border: none;
  margin: 0;
  padding: 0;
}

.config__field {
  display: grid;
  gap: 0.25rem;
}

.config__field--toggle {
  gap: 0.3rem;
}

.config__operations {
  display: grid;
  gap: 0.8rem;
}

.config__operations--disabled {
  opacity: 0.5;
  pointer-events: none;
}

.config__operation {
  display: grid;
  gap: 0.5rem;
  padding: 0.85rem;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--bg-input);
}

.config__operation--selected {
  border-color: var(--color-primary);
}

.config__operation-toggle {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 600;
  color: var(--text-heading);
}

.config__operation-toggle input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-primary);
}

.config__operation-input {
  display: grid;
  gap: 0.35rem;
}

.config__toggle {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.config__toggle input[type="checkbox"] {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--color-primary);
}

.config__field--list {
  background: var(--bg-input);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 0.75rem;
  display: grid;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.config__field--disabled {
  opacity: 0.5;
  pointer-events: none;
}

.config__field--list ul {
  margin: 0;
  padding-left: 1rem;
  columns: 2;
  column-gap: 1rem;
}

.config__field--list li {
  break-inside: avoid;
  margin-bottom: 0.25rem;
}

.config__field label {
  font-weight: 600;
  color: var(--text-secondary);
}

.config__field select,
.config__field input[type="number"],
.config__field input[type="password"] {
  padding: 0.45rem 0.65rem;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg-input);
  color: var(--text-primary);
}

.config__hint {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  margin: 0;
}

.config__actions {
  display: inline-flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
  flex-wrap: wrap;
}

.config__button {
  padding: 0.35rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--color-primary);
  background: var(--bg-card);
  color: var(--color-primary-dark);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.config__button:hover {
  background: var(--color-primary);
  color: var(--text-on-primary);
  transform: translateY(-1px);
}

.config__button--danger {
  border-color: var(--color-error);
  color: var(--color-error);
}

.config__button--danger:hover {
  background: var(--color-error);
  color: var(--text-on-primary);
}

.config__button--block {
  width: 100%;
  text-align: center;
}

.settings-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(45, 42, 68, 0.25);
  backdrop-filter: blur(2px);
  z-index: 20;
}

.settings-backdrop[hidden] {
  display: none;
}

@media (max-width: 768px) {
  .config {
    right: 1rem;
    left: 1rem;
    width: auto;
  }
}