/* ==========================================================================
   generator.css — wrangler.toml 生成器页面
   ========================================================================== */

.generator-hero {
  padding: 40px 0 8px;
}

.generator-hero h1 {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  font-size: 32px;
}

.generator-hero p {
  max-width: 820px;
  margin: 0 0 16px;
  color: var(--fg-muted);
}

.generator-presets {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 20px;
}

.generator-presets .presets-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
  margin-right: 4px;
}

.generator-presets .btn.active {
  color: var(--accent-fg);
  border-color: var(--accent-muted);
  background: var(--accent-subtle);
}

.generator-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 44%);
  gap: 24px;
  align-items: start;
  padding-bottom: 56px;
}

/* --------------------------------------------------------------------------
   表单
   -------------------------------------------------------------------------- */

.gen-group {
  margin: 0 0 12px;
  background: var(--bg-default);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.gen-group > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  user-select: none;
  background: var(--bg-subtle);
  transition: background-color 0.15s ease;
}

.gen-group > summary::-webkit-details-marker {
  display: none;
}

.gen-group > summary:hover {
  background: var(--bg-muted);
}

.gen-group > summary::before {
  content: "";
  width: 0;
  height: 0;
  margin-right: 8px;
  border-left: 5px solid var(--fg-muted);
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform 0.15s ease;
  align-self: center;
}

.gen-group[open] > summary::before {
  transform: rotate(90deg);
}

.gen-group-title {
  font-size: 15px;
  font-weight: 700;
}

.gen-group-desc {
  font-size: 12.5px;
  color: var(--fg-muted);
}

.gen-items {
  padding: 8px 16px 16px;
  border-top: 1px solid var(--border-muted);
}

.gen-group-toggle {
  padding: 12px 0 8px;
  border-bottom: 1px dashed var(--border-muted);
  margin-bottom: 8px;
}

.gen-group-toggle .gen-help {
  margin: 6px 0 0 0;
}

.gen-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--border-muted);
}

.gen-item:last-child {
  border-bottom: 0;
}

.gen-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.gen-label {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
}

.gen-label code {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--danger-fg);
  background: var(--bg-subtle);
  border: 1px solid var(--border-muted);
  border-radius: 4px;
  padding: 1px 6px;
}

.gen-label > span {
  color: var(--fg-default);
  font-weight: 500;
}

.gen-input {
  width: 100%;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-default);
  background: var(--bg-default);
  border: 1px solid var(--border-default);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.gen-input:focus {
  outline: none;
  border-color: var(--accent-emphasis);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

textarea.gen-input {
  resize: vertical;
  min-height: 44px;
}

select.gen-input {
  font-family: var(--font-sans);
}

.gen-help {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--fg-muted);
}

.gen-msg {
  margin: 4px 0 0;
  font-size: 12.5px;
  display: none;
}

.gen-msg.is-error,
.gen-msg.is-warn {
  display: block;
}

.gen-msg.is-error {
  color: var(--danger-fg);
}

.gen-msg.is-warn {
  color: var(--attention-fg);
}

.gen-item.has-error > .gen-item-head .gen-label code,
.gen-item.has-error .gen-input {
  border-color: var(--danger-fg);
}

.gen-item.has-warn .gen-input {
  border-color: var(--attention-fg);
}

/* 关闭状态的条目变淡 */
.gen-item.is-off > .gen-input,
.gen-item.is-off > .gen-help,
.gen-item.is-off .gen-pair-fields {
  opacity: 0.45;
}

.gen-pair-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.gen-subfield label {
  display: block;
  margin-bottom: 4px;
  font-size: 12.5px;
  color: var(--fg-muted);
}

.gen-domain {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1fr;
  gap: 12px;
}

.gen-domain.is-off {
  opacity: 0.5;
}

.gen-domain .hidden {
  display: none;
}

/* --------------------------------------------------------------------------
   开关
   -------------------------------------------------------------------------- */

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  flex: none;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.switch-track {
  position: relative;
  width: 34px;
  height: 20px;
  background: var(--bg-muted);
  border: 1px solid var(--border-default);
  border-radius: 999px;
  transition: background-color 0.15s ease, border-color 0.15s ease;
  flex: none;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--fg-muted);
  border-radius: 50%;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.switch input:checked + .switch-track {
  background: var(--success-emphasis);
  border-color: var(--success-emphasis);
}

.switch input:checked + .switch-track::after {
  transform: translateX(14px);
  background: #ffffff;
}

.switch input:focus-visible + .switch-track {
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.switch-text {
  font-size: 12.5px;
  color: var(--fg-muted);
}

/* --------------------------------------------------------------------------
   预览面板
   -------------------------------------------------------------------------- */

.gen-preview {
  position: sticky;
  top: calc(var(--header-height) + 24px);
  background: var(--code-block-bg);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.gen-preview .preview-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border-default);
}

html[data-theme="dark"] .gen-preview .preview-head {
  background: rgba(110, 118, 129, 0.1);
}

.gen-preview .preview-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.gen-preview .preview-title svg {
  width: 14px;
  height: 14px;
  color: var(--fg-muted);
}

.gen-preview .preview-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.gen-preview pre {
  max-height: calc(100vh - var(--header-height) - 190px);
  min-height: 320px;
  overflow: auto;
}

.gen-preview pre code {
  font-size: 12.5px;
  line-height: 1.6;
  padding: 14px 16px;
}

.gen-extra-msgs {
  margin-top: 16px;
}

/* --------------------------------------------------------------------------
   响应式
   -------------------------------------------------------------------------- */

@media (max-width: 1080px) {
  .generator-grid {
    grid-template-columns: 1fr;
  }

  .gen-preview {
    position: static;
  }

  .gen-preview pre {
    max-height: 480px;
  }
}

@media (max-width: 768px) {
  .gen-pair-fields,
  .gen-domain {
    grid-template-columns: 1fr;
  }

  .gen-item-head {
    flex-wrap: wrap;
  }
}