/* ── WeChat Formatter Tool ── */

/* ── Header ── */
.wf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 10;
}

.wf-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wf-header .wf-logo {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.3px;
}

.wf-header .wf-subtitle {
  font-size: 12px;
  color: var(--muted);
}

.wf-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wf-back-link {
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.wf-back-link:hover {
  color: var(--accent);
  text-decoration: none;
}

/* ── Config Toggle Bar ── */
.wf-config-toggle {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s;
}

.wf-config-toggle:hover {
  background: var(--surface-hover);
}

.wf-config-toggle-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.wf-config-toggle-left .wf-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.wf-config-summary {
  display: flex;
  align-items: center;
  gap: 6px;
}

.wf-config-chip {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  color: var(--muted);
}

.wf-config-chip.active {
  background: rgba(59,130,246,0.15);
  color: var(--accent);
}

.wf-toggle-arrow {
  font-size: 11px;
  color: var(--muted);
  transition: transform 0.2s;
}

.wf-toggle-arrow.open {
  transform: rotate(180deg);
}

/* ── Config Panel ── */
.wf-config-panel {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  transition: max-height 0.3s ease;
  max-height: 0;
  flex-shrink: 0;
}

.wf-config-panel.open {
  max-height: 400px;
}

.wf-config-inner {
  padding: 14px 24px 18px;
}

.wf-config-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 12px;
}

.wf-config-row:last-child {
  margin-bottom: 0;
}

.wf-ai-tabs {
  display: flex;
  gap: 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
}

.wf-ai-tab {
  padding: 6px 14px;
  font-size: 12px;
  cursor: pointer;
  background: var(--surface);
  border: none;
  transition: all 0.2s;
  white-space: nowrap;
  color: var(--muted);
  font-family: inherit;
}

.wf-ai-tab:not(:last-child) {
  border-right: 1px solid var(--border-strong);
}

.wf-ai-tab.active {
  background: var(--accent);
  color: #fff;
}

.wf-ai-tab:hover:not(.active) {
  background: var(--surface-hover);
  color: var(--text);
}

.wf-config-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  flex: 1;
  transition: all 0.2s;
}

.wf-config-fields.cols-4 {
  grid-template-columns: 1fr 1fr 1fr 1fr;
}

.wf-field.hidden {
  display: none;
}

.wf-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wf-field label {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
}

.wf-field-row {
  display: flex;
  gap: 6px;
  align-items: center;
}

.wf-field input,
.wf-field select {
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  outline: none;
  transition: border 0.2s;
  width: 100%;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
}

.wf-field input:focus,
.wf-field select:focus {
  border-color: var(--accent);
}

.wf-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-color: var(--bg);
  padding-right: 24px;
  cursor: pointer;
}

.wf-api-status {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  flex-shrink: 0;
}

.wf-api-status.ok {
  background: rgba(34,197,94,0.12);
  color: var(--badge-live);
}

.wf-api-status.no {
  background: rgba(239,68,68,0.1);
  color: #ef4444;
}

.wf-config-hint {
  font-size: 10px;
  color: var(--muted2);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
}

/* ── Main Split Layout ── */
.wf-main {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.wf-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

.wf-panel-left {
  border-right: 1px solid var(--border);
}

.wf-panel-header {
  padding: 8px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.wf-panel-title {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text);
}

.wf-panel-title .wf-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.wf-panel-title .wf-dot.green {
  background: var(--badge-live);
}

.wf-panel-title .wf-dot.blue {
  background: var(--accent);
}

.wf-word-count {
  font-size: 11px;
  color: var(--muted);
}

/* ── Scenes ── */
.wf-scenes {
  padding: 6px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  align-items: center;
  flex-shrink: 0;
}

.wf-scenes .wf-tpl-label {
  font-size: 11px;
  color: var(--muted);
  margin-right: 2px;
}

.wf-scene-btn {
  padding: 3px 10px;
  font-size: 11px;
  border-radius: 16px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  color: var(--muted);
  font-family: inherit;
}

.wf-scene-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.wf-scene-btn:hover:not(.active) {
  border-color: var(--accent);
  color: var(--accent);
}

/* ── Toolbar ── */
.wf-toolbar {
  padding: 5px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.wf-tool-btn {
  padding: 3px 7px;
  font-size: 11px;
  border-radius: 5px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  color: var(--muted);
  font-family: inherit;
}

.wf-tool-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Editor ── */
.wf-editor-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
  min-height: 0;
}

.wf-editor-wrap textarea {
  flex: 1;
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.8;
  font-family: inherit;
  background: transparent;
  color: var(--text);
}

.wf-editor-wrap textarea::placeholder {
  color: var(--muted2);
}

/* ── Preview ── */
.wf-preview-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: var(--bg);
  min-height: 0;
}

.wf-preview-content {
  background: #fff;
  max-width: 100%;
  min-height: 200px;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
  font-size: 14px;
  line-height: 1.8;
  color: #333;
  word-break: break-all;
}

.wf-preview-content:empty::before {
  content: '排版结果将显示在这里...';
  color: #999;
  font-style: italic;
}

/* Preview rich text */
.wf-preview-content h1 { font-size: 20px; font-weight: 700; margin: 20px 0 12px; padding-bottom: 8px; border-bottom: 2px solid #07c160; color: #07c160; }
.wf-preview-content h2 { font-size: 17px; font-weight: 600; margin: 18px 0 10px; padding-left: 12px; border-left: 4px solid #07c160; color: #1a1a1a; }
.wf-preview-content h3 { font-size: 15px; font-weight: 600; margin: 14px 0 8px; color: #1a1a1a; }
.wf-preview-content p { margin: 8px 0; color: #333; text-align: justify; }
.wf-preview-content ul, .wf-preview-content ol { margin: 8px 0; padding-left: 24px; }
.wf-preview-content li { margin: 4px 0; }
.wf-preview-content blockquote { margin: 12px 0; padding: 12px 16px; background: #f6ffed; border-left: 4px solid #07c160; border-radius: 0 8px 8px 0; color: #555; font-size: 13px; }
.wf-preview-content strong { color: #07c160; font-weight: 600; }
.wf-preview-content em { font-style: italic; color: #fa8c16; }
.wf-preview-content code { background: #f5f5f5; padding: 2px 6px; border-radius: 4px; font-size: 13px; color: #d63384; font-family: "SF Mono", Menlo, monospace; }
.wf-preview-content pre { background: #282c34; color: #abb2bf; padding: 16px; border-radius: 8px; overflow-x: auto; margin: 12px 0; font-size: 13px; line-height: 1.6; }
.wf-preview-content pre code { background: none; color: inherit; padding: 0; }
.wf-preview-content hr { border: none; height: 1px; background: linear-gradient(90deg, transparent, #07c160, transparent); margin: 16px 0; }
.wf-preview-content table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13px; }
.wf-preview-content th { background: #07c160; color: #fff; padding: 8px 12px; text-align: left; }
.wf-preview-content td { padding: 8px 12px; border-bottom: 1px solid #e8e8e8; }
.wf-preview-content tr:nth-child(even) { background: #f9f9f9; }
.wf-preview-content a { color: #1677ff; text-decoration: none; }
.wf-preview-content del { color: #999; text-decoration: line-through; }

/* ── Actions ── */
.wf-actions {
  padding: 8px 16px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.wf-btn {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  font-family: inherit;
}

.wf-btn-primary {
  background: var(--accent);
  color: #fff;
}

.wf-btn-primary:hover {
  background: #2563eb;
}

.wf-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.wf-btn-outline {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.wf-btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.wf-btn-copy {
  background: #07c160;
  color: #fff;
}

.wf-btn-copy:hover {
  background: #06ad56;
}

.wf-btn-copy.copied {
  background: var(--badge-live);
}

.wf-actions-spacer {
  flex: 1;
}

/* ── Templates ── */
.wf-templates {
  padding: 6px 16px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  gap: 5px;
  flex-wrap: wrap;
  align-items: center;
  flex-shrink: 0;
}

.wf-tpl-label {
  font-size: 10px;
  color: var(--muted);
  margin-right: 2px;
}

.wf-tpl-btn {
  padding: 3px 8px;
  font-size: 11px;
  border-radius: 16px;
  border: 1px dashed var(--border-strong);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  color: var(--muted);
  font-family: inherit;
}

.wf-tpl-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59,130,246,0.06);
}

/* ── Spinner ── */
.wf-spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: wf-spin 0.6s linear infinite;
}

@keyframes wf-spin {
  to { transform: rotate(360deg); }
}

/* ── Toast ── */
.wf-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--surface);
  color: var(--text);
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 13px;
  z-index: 9999;
  transition: transform 0.3s ease;
  pointer-events: none;
  max-width: 90vw;
  text-align: center;
  border: 1px solid var(--border-strong);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.wf-toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ── PNG export overlay ── */
.wf-png-render {
  position: fixed;
  left: -9999px;
  top: 0;
  width: 375px;
  background: #fff;
  padding: 32px 24px;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.8;
  color: #333;
}

.wf-png-render .wf-watermark { text-align: center; font-size: 11px; color: #ccc; margin-top: 24px; padding-top: 12px; border-top: 1px solid #f0f0f0; }
.wf-png-render h1 { font-size: 20px; font-weight: 700; margin: 16px 0 10px; padding-bottom: 8px; border-bottom: 2px solid #07c160; color: #07c160; }
.wf-png-render h2 { font-size: 17px; font-weight: 600; margin: 14px 0 8px; padding-left: 12px; border-left: 4px solid #07c160; }
.wf-png-render h3 { font-size: 15px; font-weight: 600; margin: 12px 0 6px; }
.wf-png-render p { margin: 6px 0; text-align: justify; }
.wf-png-render ul, .wf-png-render ol { padding-left: 24px; margin: 6px 0; }
.wf-png-render li { margin: 3px 0; }
.wf-png-render blockquote { margin: 10px 0; padding: 10px 14px; background: #f6ffed; border-left: 4px solid #07c160; border-radius: 0 8px 8px 0; color: #555; font-size: 13px; }
.wf-png-render strong { color: #07c160; font-weight: 600; }
.wf-png-render em { color: #fa8c16; }
.wf-png-render code { background: #f5f5f5; padding: 2px 6px; border-radius: 4px; font-size: 13px; color: #d63384; }
.wf-png-render pre { background: #282c34; color: #abb2bf; padding: 14px; border-radius: 8px; overflow-x: auto; margin: 10px 0; font-size: 12px; line-height: 1.5; }
.wf-png-render pre code { background: none; color: inherit; padding: 0; }
.wf-png-render hr { border: none; height: 1px; background: linear-gradient(90deg, transparent, #07c160, transparent); margin: 14px 0; }
.wf-png-render table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 13px; }
.wf-png-render th { background: #07c160; color: #fff; padding: 6px 10px; text-align: left; }
.wf-png-render td { padding: 6px 10px; border-bottom: 1px solid #e8e8e8; }
.wf-png-render tr:nth-child(even) { background: #f9f9f9; }
.wf-png-render del { color: #999; text-decoration: line-through; }

/* ── Light Mode ── */
[data-theme="light"] .wf-config-chip {
  background: rgba(0,0,0,0.05);
  color: var(--muted);
}

[data-theme="light"] .wf-config-chip.active {
  background: rgba(37,99,235,0.1);
  color: var(--accent);
}

[data-theme="light"] .wf-preview-content {
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

[data-theme="light"] .wf-toast {
  background: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

/* ── Mobile ── */
@media (max-width: 900px) {
  .wf-main {
    grid-template-columns: 1fr;
    overflow-y: auto;
  }

  .wf-panel-left {
    border-right: none;
    border-bottom: 1px solid var(--border);
    min-height: 50vh;
  }

  .wf-panel:last-child {
    min-height: 50vh;
  }

  .wf-config-fields,
  .wf-config-fields.cols-4 {
    grid-template-columns: 1fr;
  }

  .wf-config-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .wf-header {
    padding: 8px 16px;
  }

  .wf-config-toggle {
    padding: 8px 16px;
  }

  .wf-config-inner {
    padding: 12px 16px 16px;
  }

  .wf-actions {
    padding: 8px 12px;
  }
}