/**
 * hub-ai-subtabs.css — Styles for Hub-AI v8 SC-powered subtabs
 * ==============================================================
 * Nav bar: left (view tabs) + right (primary actions)
 * Toolbar: fixed quick tools row
 * Design system for Hub AI sub-tabs
 */

/* ============================================================
   HUB-AI SC NAVIGATION (v8)
   ============================================================ */

.hub-ai-sc-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 10px 8px 0;
  border-bottom: 2px solid var(--border, #E2E8F0);
  margin-bottom: 0;
  background: linear-gradient(to bottom, #FAFBFC, transparent);
  gap: 8px;
}

/* Left group — view tab buttons */
.hub-ai-nav-left {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

/* Right group — primary action buttons */
.hub-ai-nav-right {
  display: flex;
  gap: 6px;
  padding-bottom: 6px;
  flex-shrink: 0;
}

.hub-ai-sc-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  background: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--text2, #64748B);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  border-radius: 8px 8px 0 0;
  transition: all .15s;
  white-space: nowrap;
}

.hub-ai-sc-btn:hover {
  background: rgba(59, 130, 246, 0.06);
  color: var(--primary, #3B82F6);
}

.hub-ai-sc-btn.active {
  color: var(--primary, #3B82F6);
  border-bottom-color: var(--primary, #3B82F6);
  background: rgba(59, 130, 246, 0.08);
  font-weight: 700;
}

/* Primary action buttons — prominent, colored */
.hub-ai-primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 16px;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  background: #3B82F6;
  color: #fff;
  box-shadow: 0 1px 3px rgba(59, 130, 246, 0.3);
}

.hub-ai-primary-btn:hover {
  background: #2563EB;
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.hub-ai-primary-btn:active {
  transform: scale(0.97);
}

.hub-ai-sc-area {
  padding: 16px 4px;
  min-height: 300px;
}

/* ============================================================
   ACTION TOOLBAR (v6)
   ============================================================ */

.hub-ai-toolbar {
  display: flex;
  gap: 8px;
  padding: 10px 8px;
  background: #F8FAFC;
  border-bottom: 1px solid #E2E8F0;
  flex-wrap: wrap;
  align-items: center;
}

.hub-ai-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px solid #D1D5DB;
  border-radius: 8px;
  background: #fff;
  font-size: 12.5px;
  font-weight: 600;
  color: #475569;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}

.hub-ai-action-btn:hover {
  background: #EFF6FF;
  border-color: #3B82F6;
  color: #3B82F6;
  box-shadow: 0 1px 4px rgba(59, 130, 246, 0.15);
}

.hub-ai-action-btn:active {
  transform: scale(0.97);
}

.hub-ai-action-icon {
  font-size: 15px;
  line-height: 1;
}

.hub-ai-action-back {
  background: #EFF6FF;
  border-color: #93C5FD;
  color: #2563EB;
  font-weight: 700;
  margin-right: 8px;
}

.hub-ai-action-back:hover {
  background: #DBEAFE;
  border-color: #3B82F6;
}

/* ============================================================
   LEGACY PANEL (opens old tabs in-hub)
   ============================================================ */

.hub-ai-legacy-panel {
  padding: 0 4px;
}

.hub-ai-legacy-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px 12px;
  border-bottom: 1px solid #E2E8F0;
  margin-bottom: 8px;
}

.hub-ai-legacy-title {
  font-size: 15px;
  font-weight: 700;
  color: #1E293B;
}

/* Toolbar title (in back-button mode) */
.hub-ai-toolbar-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: #334155;
  padding-left: 8px;
}

@media (max-width: 768px) {
  .hub-ai-sc-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 6px 4px 0;
  }
  .hub-ai-nav-left {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-x;
    gap: 2px;
  }
  .hub-ai-nav-right {
    padding: 4px 0 6px;
    justify-content: flex-start;
  }
  .hub-ai-sc-btn {
    font-size: 13px;
    padding: 8px 14px;
  }
  .hub-ai-primary-btn {
    font-size: 12px;
    padding: 6px 12px;
  }
  .hub-ai-sc-area {
    padding: 10px 2px;
  }
  .hub-ai-toolbar {
    gap: 4px;
    padding: 6px 4px;
  }
  .hub-ai-action-btn {
    font-size: 11px;
    padding: 5px 10px;
  }
}


/* ============================================================
   3. PERFORMANCE (.perf-*)
   ============================================================ */

/* Header */
.perf-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.perf-header h2 {
  font-size: 20px;
  font-weight: 800;
  color: #1E293B;
  margin: 0 0 4px;
}
.perf-subtitle {
  font-size: 13px;
  color: #64748B;
  margin: 0;
}
.perf-header .btn-outline {
  padding: 7px 14px;
  border: 1px solid #D1D5DB;
  border-radius: 8px;
  background: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: #475569;
  transition: all .15s;
}
.perf-header .btn-outline:hover {
  background: #F1F5F9;
  border-color: #3B82F6;
  color: #3B82F6;
}

/* KPI row */
.perf-kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.perf-kpi {
  text-align: center;
  padding: 18px 12px;
  border-radius: 12px;
  border: 1px solid #E2E8F0;
  background: #fff;
  transition: box-shadow .2s, transform .2s;
}
.perf-kpi:hover {
  box-shadow: 0 4px 14px rgba(0,0,0,.06);
  transform: translateY(-2px);
}
.perf-kpi-icon {
  display: block;
  font-size: 22px;
  margin-bottom: 6px;
}
.perf-kpi-val {
  display: block;
  font-size: 26px;
  font-weight: 700;
  color: #1E293B;
}
.perf-kpi-label {
  display: block;
  font-size: 12px;
  color: #64748B;
  margin-top: 4px;
}
.perf-loading {
  text-align: center;
  color: #94A3B8;
  padding: 30px 20px;
  font-size: 13px;
}
.perf-empty {
  text-align: center;
  color: #94A3B8;
  padding: 24px 20px;
  font-size: 13px;
  background: #F8FAFC;
  border-radius: 8px;
}

/* Panels row */
.perf-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 900px) {
  .perf-panels { grid-template-columns: 1fr; }
}
.perf-panel {
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 18px;
}
.perf-panel h3 {
  font-size: 15px;
  font-weight: 700;
  color: #1E293B;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #F1F5F9;
}

/* Leaderboard */
.perf-filter-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}
.perf-filter-row select {
  padding: 6px 10px;
  border: 1px solid #D1D5DB;
  border-radius: 6px;
  font-size: 12px;
  background: #fff;
  cursor: pointer;
}
.perf-filter-row select:focus {
  outline: none;
  border-color: #3B82F6;
}
.perf-lb-row {
  display: grid;
  grid-template-columns: 36px 24px 1fr 90px 60px;
  gap: 8px;
  padding: 10px 12px;
  align-items: center;
  border-bottom: 1px solid #F1F5F9;
  font-size: 13px;
  transition: background .1s;
}
.perf-lb-row:hover {
  background: #F8FAFC;
}
.perf-lb-row:last-child {
  border-bottom: none;
}
.perf-lb-rank {
  font-size: 16px;
  text-align: center;
}
.perf-lb-type {
  font-size: 14px;
  text-align: center;
}
.perf-lb-name {
  font-weight: 600;
  color: #1E293B;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.perf-lb-tasks {
  font-size: 12px;
  color: #3B82F6;
  font-weight: 600;
}
.perf-lb-score {
  font-size: 12px;
  color: #10B981;
  font-weight: 600;
  text-align: right;
}

/* Chart area */
.perf-summary-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.perf-pct-card {
  flex: 1;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid #E2E8F0;
  font-size: 13px;
  color: #475569;
  text-align: center;
}
.perf-pct-card strong {
  color: #1E293B;
}
.perf-dept-chart {
  margin-top: 10px;
}
.perf-legend {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 12px;
  color: #64748B;
}
.perf-legend-human::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  background: #8B5CF6;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: middle;
}
.perf-legend-ai::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  background: #3B82F6;
  border-radius: 3px;
  margin-right: 4px;
  vertical-align: middle;
}
.perf-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.perf-bar-label {
  min-width: 100px;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.perf-bar-track {
  flex: 1;
  display: flex;
  height: 22px;
  background: #F1F5F9;
  border-radius: 6px;
  overflow: hidden;
}
.perf-bar-human {
  background: linear-gradient(135deg, #8B5CF6, #A78BFA);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  transition: width .4s ease;
}
.perf-bar-ai {
  background: linear-gradient(135deg, #3B82F6, #60A5FA);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  transition: width .4s ease;
}

/* Detail Cards */
.perf-detail-section {
  background: #fff;
  border: 1px solid #E2E8F0;
  border-radius: 12px;
  padding: 18px;
}
.perf-detail-section h3 {
  font-size: 15px;
  font-weight: 700;
  color: #1E293B;
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid #F1F5F9;
}
#perf-detail-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.perf-card {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: 10px;
  overflow: hidden;
  transition: box-shadow .2s, border-color .15s;
}
.perf-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,.06);
  border-color: #CBD5E1;
}
.perf-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: linear-gradient(135deg, #FAFBFC, #F0F4F8);
  border-bottom: 1px solid #E2E8F0;
  font-size: 14px;
  font-weight: 600;
  color: #1E293B;
}
.perf-card-head small {
  font-size: 11px;
  color: #94A3B8;
  font-family: monospace;
  font-weight: 400;
}
.perf-card-body {
  padding: 12px 14px;
  font-size: 13px;
  color: #475569;
  display: grid;
  gap: 4px;
}
.perf-dl {
  font-weight: 600;
  color: #64748B;
  margin-right: 4px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .ur-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .ur-search input {
    width: 100%;
    min-width: auto;
  }
  .ur-actions {
    flex-direction: column;
  }
  .ur-form-grid {
    grid-template-columns: 1fr;
  }
  .dc-log-entry {
    grid-template-columns: 60px 1fr;
    gap: 4px;
  }
  .dc-log-arrow { display: none; }
  .perf-kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .perf-lb-row {
    grid-template-columns: 30px 20px 1fr 70px;
  }
  .perf-lb-score { display: none; }
}