/* ============================================
   SEO TOOL PRO - MODULE-SPECIFIC STYLES
   ============================================ */

/* ── Stat mini cards (server status panel) ── */
.stat-mini {
  flex: 1; min-width: 90px;
  padding: 10px 14px;
  background: var(--bg-card); border: 1px solid var(--border-card);
  border-radius: var(--border-radius-md); text-align: center;
}
.stat-mini-val { font-size: 1.4rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.stat-mini-lbl { font-size: 0.68rem; color: var(--text-muted); margin-top: 4px; }

/* ===================== DIFFICULTY PANEL (6 CHỈ SỐ) ===================== */

.diff-modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.65);
  z-index: 500; display: flex; align-items: center; justify-content: center;
  padding: 20px; backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease;
}

.diff-modal-box {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-xl);
  width: 100%; max-width: 680px;
  box-shadow: var(--shadow-lg), 0 0 30px var(--brand-glow);
  overflow: hidden;
  animation: slideInUp 0.3s ease;
  max-height: 90vh; overflow-y: auto;
}

@keyframes slideInUp {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.diff-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--border-primary);
  background: var(--surface-subtle);
}

.diff-modal-title { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: 8px; }
.diff-modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 1.3rem; line-height: 1; padding: 4px 8px; border-radius: 6px; transition: all 0.15s; }
.diff-modal-close:hover { background: var(--danger-bg); color: var(--danger); }

/* Panel body */
.diff-panel { padding: 20px; display: flex; flex-direction: column; gap: 20px; }

.diff-header {
  display: flex; align-items: center; gap: 20px;
  padding: 16px; background: var(--bg-card);
  border-radius: var(--border-radius-lg); border: 1px solid var(--border-card);
}

.diff-ring-wrap {
  position: relative; width: 90px; height: 90px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.diff-ring-inner {
  position: absolute; display: flex; flex-direction: column; align-items: center; gap: 0;
}

.diff-ring-score { font-size: 1.6rem; font-weight: 900; line-height: 1; letter-spacing: -1px; }
.diff-ring-max   { font-size: 0.68rem; color: var(--text-muted); line-height: 1; }

.diff-summary { flex: 1; }
.diff-kw-name { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.diff-label   { font-size: 1.1rem; font-weight: 800; margin-bottom: 6px; }
.diff-kei-badge {
  display: inline-block; font-size: 0.78rem; color: var(--brand-accent);
  background: rgba(0, 140, 255, 0.1); border: 1px solid rgba(0, 140, 255, 0.2);
  padding: 3px 10px; border-radius: var(--border-radius-full); font-weight: 600;
  margin-bottom: 6px;
}
.diff-estimate-note {
  font-size: 0.72rem; color: var(--warning); padding: 4px 8px;
  background: var(--warning-bg); border-radius: 6px; border: 1px solid rgba(245,158,11,0.2);
}
.diff-estimate-note.ok {
  color: var(--success); background: var(--success-bg);
  border-color: rgba(16,185,129,0.2);
}

/* 6 metrics grid */
.diff-metrics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.diff-metric {
  padding: 12px 14px; background: var(--bg-card);
  border: 1px solid var(--border-card); border-radius: var(--border-radius-md);
  transition: all 0.2s;
}

.diff-metric.is-key {
  border-color: rgba(0, 140, 255, 0.3);
  background: rgba(0, 140, 255, 0.03);
  grid-column: span 2;
}

.diff-metric:hover { border-color: var(--brand-primary); }

.diff-metric-header {
  display: flex; align-items: center; gap: 6px; margin-bottom: 6px;
}

.diff-metric-label { flex: 1; font-size: 0.8rem; font-weight: 700; color: var(--text-secondary); }
.diff-metric-weight { font-size: 0.7rem; color: var(--text-muted); font-weight: 600; padding: 1px 6px; background: var(--bg-input); border-radius: 4px; }
.diff-metric-score  { font-size: 1rem; font-weight: 800; }

.diff-metric-bar {
  height: 5px; background: rgba(255,255,255,0.06);
  border-radius: 3px; overflow: hidden; margin-bottom: 6px;
}

.diff-metric-fill { height: 100%; border-radius: 3px; transition: width 0.8s ease; }

.diff-metric-value   { font-size: 0.82rem; font-weight: 600; color: var(--text-primary); margin-bottom: 3px; }
.diff-metric-explain { font-size: 0.72rem; color: var(--text-muted); line-height: 1.4; }

/* KD score chip in table */
.kd-chip {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 9px; border-radius: var(--border-radius-full);
  font-size: 0.75rem; font-weight: 700; cursor: pointer;
  transition: all 0.15s; border: 1px solid transparent;
}
.kd-chip:hover { transform: scale(1.05); box-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.kd-chip.low    { background: rgba(34,197,94,0.15); color: #22c55e; border-color: rgba(34,197,94,0.3); }
.kd-chip.medium { background: rgba(234,179,8,0.15); color: #eab308; border-color: rgba(234,179,8,0.3); }
.kd-chip.high   { background: rgba(239,68,68,0.15); color: #ef4444; border-color: rgba(239,68,68,0.3); }

.kd-pending { color: var(--text-muted); font-size: 0.75rem; cursor: pointer; display: inline-flex; align-items: center; gap: 4px; }
.kd-pending:hover { color: var(--brand-accent); }

/* Batch analyze bar */
.batch-analyze-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: rgba(0, 140, 255, 0.08); border: 1px solid rgba(0, 140, 255, 0.2);
  border-radius: var(--border-radius-md); margin-bottom: 12px;
  font-size: 0.85rem; color: var(--brand-accent);
}

/* ===================== DASHBOARD ===================== */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-primary);
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.activity-content { flex: 1; }
.activity-title { font-size: 0.875rem; color: var(--text-primary); font-weight: 500; }
.activity-meta { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.activity-time { font-size: 0.72rem; color: var(--text-muted); white-space: nowrap; }

.quick-action-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.quick-action-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: left;
}

.quick-action-btn:hover {
  border-color: var(--brand-primary);
  background: rgba(0, 140, 255, 0.05);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quick-action-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quick-action-title { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.quick-action-desc { font-size: 0.75rem; color: var(--text-muted); }

/* ===================== KEYWORD RESEARCH ===================== */

.research-form-card {
  margin-bottom: 24px;
}

.keyword-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.results-count {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.results-count strong { color: var(--brand-accent); font-weight: 700; }

.kw-volume {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
}

.kw-cpc {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--success);
}

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-md);
  margin-bottom: 16px;
}

.filter-bar label { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.filter-bar .form-input, .filter-bar .form-select { padding: 6px 10px; font-size: 0.8rem; }

.checkbox-col input[type="checkbox"] { accent-color: var(--brand-primary); width: 16px; height: 16px; cursor: pointer; }

.table-select-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(0, 140, 255, 0.08);
  border: 1px solid rgba(0, 140, 255, 0.2);
  border-radius: var(--border-radius-md);
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--brand-accent);
  display: none;
}

.table-select-bar.visible { display: flex; }

/* ===================== KEYWORD CLUSTERING ===================== */

.cluster-import-area {
  border: 2px dashed var(--border-primary);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  margin-bottom: 20px;
}

.cluster-import-area:hover, .cluster-import-area.drag-over {
  border-color: var(--brand-primary);
  background: rgba(0, 140, 255, 0.04);
}

.cluster-import-icon { font-size: 2rem; margin-bottom: 10px; }
.cluster-import-title { font-size: 0.95rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.cluster-import-hint { font-size: 0.8rem; color: var(--text-muted); }

.cluster-groups { display: flex; flex-direction: column; gap: 16px; }

.cluster-group {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.cluster-group:hover { border-color: rgba(0, 140, 255, 0.2); }

.cluster-group-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: rgba(255,255,255,0.02);
  border-bottom: 1px solid var(--border-primary);
  cursor: pointer;
  user-select: none;
}

.cluster-group-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.cluster-count {
  background: var(--bg-input);
  border-radius: var(--border-radius-full);
  padding: 2px 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.cluster-chevron {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.cluster-group.open .cluster-chevron { transform: rotate(180deg); }

.cluster-keywords {
  padding: 12px 20px;
  display: none;
}

.cluster-group.open .cluster-keywords { display: block; }

.cluster-kw-list { display: flex; flex-wrap: wrap; gap: 6px; }

.cluster-kw-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  background: var(--bg-input);
  border-radius: var(--border-radius-full);
  font-size: 0.78rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-primary);
}

/* Volume mini badge */
.vol-mini {
  background: rgba(0, 140, 255, 0.12);
  color: var(--brand-accent);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

/* ===================== OUTLINE GENERATOR ===================== */

.outline-ai-selector {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.ai-provider-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 10px;
  background: var(--bg-card);
  border: 2px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.ai-provider-card:hover { border-color: rgba(0, 140, 255, 0.3); }
.ai-provider-card.selected.openai { border-color: var(--openai-color); background: rgba(16, 163, 127, 0.08); }
.ai-provider-card.selected.gemini { border-color: var(--gemini-color); background: rgba(66, 133, 244, 0.08); }
.ai-provider-card.selected.claude { border-color: var(--claude-color); background: rgba(217, 119, 6, 0.08); }

.ai-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
}

.ai-logo.openai { background: rgba(16, 163, 127, 0.15); color: var(--openai-color); }
.ai-logo.gemini { background: rgba(66, 133, 244, 0.15); color: var(--gemini-color); }
.ai-logo.claude { background: rgba(217, 119, 6, 0.15); color: var(--claude-color); }

.ai-provider-name { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); }
.ai-provider-model { font-size: 0.7rem; color: var(--text-muted); }

.outline-result {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  padding: 24px;
}

.outline-h1 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
  padding-left: 12px;
  border-left: 3px solid var(--brand-primary);
}

.outline-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  padding: 8px 12px;
  background: var(--bg-input);
  border-radius: var(--border-radius-sm);
  margin-bottom: 16px;
  font-style: italic;
}

.outline-section {
  margin-bottom: 12px;
}

.outline-h2 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--brand-accent);
  padding: 8px 12px;
  background: rgba(0, 140, 255, 0.06);
  border-radius: var(--border-radius-sm);
  border-left: 2px solid var(--brand-primary);
  margin-bottom: 6px;
  cursor: pointer;
}

.outline-h2:hover { background: rgba(0, 140, 255, 0.1); }

.outline-h3-list {
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.outline-h3 {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding: 5px 10px;
  border-radius: var(--border-radius-sm);
  border-left: 1px solid var(--border-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.outline-h3:hover { background: var(--bg-input); color: var(--text-primary); border-color: var(--brand-primary); }

[contenteditable="true"]:focus { outline: 1px solid var(--brand-primary); border-radius: 4px; }

/* ===================== ARTICLE WRITER ===================== */

.writer-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  align-items: start;
}

.editor-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.editor-toolbar {
  display: flex;
  gap: 4px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-primary);
  background: rgba(255,255,255,0.02);
  flex-wrap: wrap;
}

.editor-toolbar-btn {
  background: none;
  border: none;
  padding: 6px 8px;
  border-radius: var(--border-radius-sm);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.85rem;
  font-family: 'Inter', sans-serif;
  transition: all var(--transition-fast);
  min-width: 30px;
}

.editor-toolbar-btn:hover { background: var(--bg-input); color: var(--text-primary); }
.editor-toolbar-btn.active { background: var(--bg-input); color: var(--brand-accent); }

.toolbar-divider { width: 1px; background: var(--border-primary); margin: 4px 4px; }

.editor-content {
  min-height: 500px;
  padding: 24px 28px;
  outline: none;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-primary);
  caret-color: var(--brand-primary);
}


.editor-content h1 { font-size: 1.6rem; font-weight: 800; margin: 0 0 16px; color: var(--text-primary); }
.editor-content h2 { font-size: 1.25rem; font-weight: 700; margin: 24px 0 12px; color: var(--brand-accent); }
.editor-content h3 { font-size: 1.05rem; font-weight: 600; margin: 20px 0 8px; color: var(--text-secondary); }
.editor-content p { margin: 0 0 14px; }
.editor-content strong { color: var(--text-primary); font-weight: 700; }
.editor-content ul, .editor-content ol { padding-left: 20px; margin: 0 0 14px; }
.editor-content li { margin-bottom: 6px; color: var(--text-secondary); }

.editor-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* SEO Panel */
.seo-panel .card-body { padding: 16px; display: flex; flex-direction: column; gap: 14px; }

.seo-score-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-primary);
}

.score-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: conic-gradient(var(--brand-primary) var(--score-deg, 0deg), var(--bg-input) 0deg);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.score-ring::after {
  content: '';
  position: absolute;
  width: 60px;
  height: 60px;
  background: var(--bg-card);
  border-radius: 50%;
}

.score-value {
  position: absolute;
  z-index: 1;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text-primary);
}

.score-label { font-size: 0.75rem; color: var(--text-muted); }

.seo-check-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
}

.seo-check-icon { margin-top: 1px; flex-shrink: 0; }
.seo-check-ok { color: var(--success); }
.seo-check-warn { color: var(--warning); }
.seo-check-fail { color: var(--danger); }

.seo-check-text { color: var(--text-secondary); line-height: 1.5; }
.seo-check-text strong { color: var(--text-primary); }

/* ===================== WORDPRESS ===================== */

.wp-connect-card { margin-bottom: 20px; }

.wp-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--border-radius-md);
  font-size: 0.85rem;
  font-weight: 500;
}

.wp-status-indicator.connected { background: var(--success-bg); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.wp-status-indicator.disconnected { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }
.wp-status-indicator.testing { background: var(--info-bg); color: var(--info); border: 1px solid rgba(59, 130, 246, 0.2); }

.wp-post-list { display: flex; flex-direction: column; gap: 12px; }

.wp-post-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.wp-post-item:hover { border-color: rgba(0, 140, 255, 0.2); }

.wp-post-thumb {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-input);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.wp-post-info { flex: 1; }
.wp-post-title { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); margin-bottom: 3px; }
.wp-post-meta { font-size: 0.75rem; color: var(--text-muted); }
.wp-post-actions { display: flex; gap: 6px; }

/* ===================== SETTINGS ===================== */

.settings-section { margin-bottom: 28px; }
.settings-section-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.api-key-field {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.api-key-field .form-group { flex: 1; }

.save-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--success);
  padding: 5px 10px;
  background: var(--success-bg);
  border-radius: var(--border-radius-full);
  animation: fadeIn 0.3s ease;
}

/* Responsive */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .writer-layout { grid-template-columns: 1fr; }
  .outline-ai-selector { grid-template-columns: repeat(3, 1fr); }
  .form-row.cols-2, .form-row.cols-3 { grid-template-columns: 1fr; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: flex; }
}

/* ===================== SEO CRITERIA CHECKLIST GRID ===================== */

/* Default: 3 columns on large screens (> 1366px) */
.seo-criteria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

/* 2 columns on HD and below (769px – 1366px) */
@media (max-width: 1366px) {
  .seo-criteria-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 1 column on mobile (≤ 768px) */
@media (max-width: 768px) {
  .seo-criteria-grid {
    grid-template-columns: 1fr;
  }
}