/* ============================================================
   Event Intelligence — event_intelligence.css
   Prefix: ei-
   ============================================================ */

/* Header */
.ei-header {
  margin-bottom: 24px;
}

.ei-title {
  font-size: var(--font-3xl);
  font-weight: 700;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.ei-title svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
}

.ei-subtitle {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

/* Tabs */
.ei-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  overflow-x: auto;
}

.ei-tab {
  padding: 10px 18px;
  font-size: var(--font-sm);
  font-weight: 500;
  color: var(--text-muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ei-tab:hover {
  color: var(--text-primary);
}

.ei-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Loading */
.ei-loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.ei-loading .spinner {
  margin: 0 auto 16px;
}

/* Brand Tailwind Cards */
.ei-brand-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.ei-brand-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: var(--transition);
}

.ei-brand-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}

.ei-brand-name {
  font-size: var(--font-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ei-brand-score {
  font-size: var(--font-2xl);
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent);
  margin-bottom: 8px;
}

.ei-brand-bar-track {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
}

.ei-brand-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.6s ease;
  min-width: 2px;
}

/* Table Container */
.ei-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

/* Toolbar */
.ei-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.ei-search-wrap {
  position: relative;
  flex: 1;
  min-width: 180px;
}

.ei-search-wrap svg {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.ei-search {
  width: 100%;
  padding: 8px 12px 8px 32px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-sm);
  font-family: inherit;
}

.ei-search:focus {
  outline: none;
  border-color: var(--accent);
}

.ei-select {
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--font-sm);
  font-family: inherit;
  min-width: 140px;
}

.ei-select:focus {
  outline: none;
  border-color: var(--accent);
}

.ei-toolbar-info {
  font-size: var(--font-xs);
  color: var(--text-muted);
  white-space: nowrap;
}

/* Table */
.ei-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-sm);
}

.ei-table th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  font-size: var(--font-2xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.ei-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.ei-table th.sortable:hover {
  color: var(--text-primary);
}

.ei-table th .sort-icon {
  display: inline-block;
  width: 12px;
  margin-left: 4px;
  opacity: 0.4;
  font-size: 10px;
}

.ei-table th.sorted .sort-icon {
  opacity: 1;
  color: var(--accent);
}

.ei-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.ei-table tbody tr {
  transition: background 0.15s;
}

.ei-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.04);
}

.ei-table th.right,
.ei-table td.right {
  text-align: right;
}

/* Momentum Badges */
.ei-momentum {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: var(--font-2xs);
  font-weight: 600;
  white-space: nowrap;
}

.ei-momentum-accelerating {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.ei-momentum-growing {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
}

.ei-momentum-stable {
  background: rgba(107, 114, 128, 0.15);
  color: var(--text-muted);
}

.ei-momentum-declining {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

/* Growth percentage */
.ei-growth-up {
  color: var(--success);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.ei-growth-down {
  color: var(--error);
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
}

.ei-growth-flat {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
}

/* Alignment Score */
.ei-score-bar-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ei-score-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--font-sm);
  font-weight: 600;
  min-width: 40px;
  text-align: right;
}

.ei-score-bar-track {
  flex: 1;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  overflow: hidden;
  min-width: 60px;
  max-width: 120px;
}

.ei-score-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width 0.4s ease;
  min-width: 2px;
}

/* Badge Lists */
.ei-badge-list, .ei-opp-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  max-width: 320px;
}

.ei-badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  white-space: nowrap;
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ei-opp-badge {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 6px;
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
  font-family: 'JetBrains Mono', monospace;
}
.ei-opp-state {
  background: rgba(16, 185, 129, 0.12);
  color: var(--success);
}
.ei-opp-cat {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent);
}
.ei-opp-event {
  background: rgba(168, 85, 247, 0.12);
  color: #c084fc;
}

.ei-badge-more {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent);
  white-space: nowrap;
  cursor: default;
}

/* Explainer */
.ei-explainer {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 14px 18px;
  margin-bottom: 16px;
  font-size: var(--font-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}
.ei-explainer strong { color: var(--text-primary); }

/* Account link in tables */
.ei-account-link {
  text-decoration: none;
  color: inherit;
}
.ei-account-link:hover .ei-account-name {
  color: var(--accent);
  text-decoration: underline;
}

/* Brief button (replaces Tearsheet) */
.ei-btn-brief {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: var(--font-xs);
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}
.ei-btn-brief:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59, 130, 246, 0.05);
}
.ei-btn-brief svg { width: 13px; height: 13px; }

/* Expansion Level Badges */
.ei-level {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: var(--font-2xs);
  font-weight: 600;
}

.ei-level-high {
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.ei-level-medium {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
}

.ei-level-low {
  background: rgba(107, 114, 128, 0.15);
  color: var(--text-muted);
}

/* Account Name + ID */
.ei-account-name {
  font-weight: 500;
  font-size: var(--font-sm);
}

.ei-account-id {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--font-2xs);
  color: var(--text-muted);
}

/* Team Badge */
.ei-team-badge {
  font-size: var(--font-2xs);
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-tertiary);
  white-space: nowrap;
}

/* Tearsheet Button */
.ei-btn-tearsheet {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: var(--font-2xs);
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
}

.ei-btn-tearsheet:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(59, 130, 246, 0.05);
}

.ei-btn-tearsheet svg {
  width: 12px;
  height: 12px;
}

/* Pagination */
.ei-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.ei-page-info {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

/* Probability Value */
.ei-prob {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--font-sm);
}

/* Numeric cells */
.ei-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--font-xs);
}

/* Empty / placeholder */
.ei-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.ei-empty svg {
  width: 48px;
  height: 48px;
  opacity: 0.3;
  margin-bottom: 16px;
}

/* Legacy notice card */
.ei-legacy-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  max-width: 500px;
  margin: 40px auto;
}

.ei-legacy-card p {
  color: var(--text-secondary);
  font-size: var(--font-base);
  margin-bottom: 20px;
  line-height: 1.6;
}

.ei-legacy-card a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.ei-legacy-card a:hover {
  text-decoration: underline;
}

/* Export Button */
.ei-btn-export {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: var(--font-xs);
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.ei-btn-export:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ei-btn-export svg {
  width: 14px;
  height: 14px;
}

/* ── View Toggle ─────────────────────────────────────────── */
.ei-view-toggle {
  display: inline-flex;
  gap: 2px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 2px;
}
.ei-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border: none;
  border-radius: calc(var(--radius-sm) - 2px);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--font-xs);
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all .15s;
}
.ei-view-btn:hover { color: var(--text-primary); }
.ei-view-btn.active {
  background: var(--accent);
  color: #fff;
}

/* ── Matrix Layout ──────────────────────────────────────── */
.ei-matrix-wrap {
  margin-top: 8px;
}
.ei-matrix-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  min-height: 400px;
}
.ei-matrix-states {
  border-right: 1px solid var(--border);
  padding-right: 12px;
  max-height: 600px;
  overflow-y: auto;
}
.ei-matrix-states-header {
  font-size: var(--font-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .5px;
  font-weight: 600;
  padding: 8px 10px;
  margin-bottom: 4px;
}
.ei-matrix-state-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 8px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font-size: var(--font-sm);
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
  text-align: left;
}
.ei-matrix-state-btn:hover {
  background: rgba(99, 102, 241, .06);
}
.ei-matrix-state-btn.active {
  background: rgba(99, 102, 241, .12);
  color: var(--accent);
  font-weight: 600;
}
.ei-matrix-st-code {
  font-weight: 600;
  font-size: var(--font-base);
}
.ei-matrix-st-counts {
  display: inline-flex;
  gap: 4px;
}
.ei-matrix-dot {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1;
}
.ei-dot-accel { background: rgba(16,185,129,.2); color: #10b981; }
.ei-dot-grow { background: rgba(59,130,246,.2); color: #60a5fa; }
.ei-dot-decline { background: rgba(239,68,68,.15); color: #ef4444; }

/* ── Matrix Detail Panel ────────────────────────────────── */
.ei-matrix-detail {
  min-height: 300px;
}
.ei-matrix-detail-header {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.ei-matrix-detail-title {
  font-size: var(--font-xl);
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.ei-matrix-detail-sub {
  font-size: var(--font-sm);
  color: var(--text-muted);
  font-weight: 400;
}
.ei-matrix-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 12px;
}
.ei-matrix-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: all .15s;
}
.ei-matrix-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
}
.ei-matrix-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.ei-matrix-card-cat {
  font-weight: 600;
  font-size: var(--font-sm);
  color: var(--text-primary);
  flex: 1;
  margin-right: 8px;
}
.ei-matrix-card-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  text-align: center;
}
.ei-matrix-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.ei-matrix-metric-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: var(--font-sm);
  font-weight: 600;
}
.ei-matrix-metric-lbl {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .3px;
}
.ei-matrix-card-bar {
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 10px;
}
.ei-matrix-card-bar-fill {
  height: 100%;
  border-radius: 2px;
  transition: width .4s ease;
}

/* Responsive */
@media (max-width: 900px) {
  .ei-matrix-layout {
    grid-template-columns: 1fr;
  }
  .ei-matrix-states {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-right: 0;
    padding-bottom: 12px;
    max-height: 200px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }
  .ei-matrix-states-header { display: none; }
  .ei-matrix-state-btn { width: auto; padding: 4px 10px; font-size: var(--font-xs); }
}

@media (max-width: 900px) {
  .ei-brand-row {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }

  .ei-toolbar {
    gap: 6px;
  }

  .ei-badge-list {
    max-width: 180px;
  }
}

@media (max-width: 768px) {
  .ei-tabs {
    gap: 0;
  }

  .ei-tab {
    padding: 8px 12px;
    font-size: var(--font-xs);
  }

  .ei-brand-row {
    grid-template-columns: 1fr 1fr;
  }

  .ei-select {
    min-width: 100px;
  }
}

/* ── Retention Grid ──────────────────────────────────────── */
.ei-retention-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  padding: 24px;
}
.ei-stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.ei-stat-val {
  font-size: 32px;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.2;
}
.ei-stat-val.accent { color: var(--accent); }
.ei-stat-val.success { color: var(--success); }
.ei-stat-val.warning { color: var(--warning); }
.ei-stat-label {
  font-size: var(--font-xs);
  color: var(--text-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ── Retention Rate Bars ─────────────────────────────────── */
.ei-ret-wrap { display: flex; align-items: center; gap: 8px; }
.ei-ret-bar-track { flex: 1; height: 8px; background: var(--bg-tertiary); border-radius: 4px; overflow: hidden; min-width: 60px; }
.ei-ret-bar-fill { height: 100%; border-radius: 4px; transition: width .4s ease; }
.ei-ret-bar-fill.ei-ret-high { background: var(--success); }
.ei-ret-bar-fill.ei-ret-med { background: var(--warning); }
.ei-ret-bar-fill.ei-ret-low { background: var(--error); }
.ei-ret-pct { font-size: var(--font-xs); font-weight: 600; font-family: 'JetBrains Mono', monospace; white-space: nowrap; min-width: 32px; }
.ei-ret-pct.ei-ret-high { color: var(--success); }
.ei-ret-pct.ei-ret-med { color: var(--warning); }
.ei-ret-pct.ei-ret-low { color: var(--error); }

/* ── Row Expansion ───────────────────────────────────────── */
.ei-data-row { cursor: pointer; }
.ei-data-row:hover { background: rgba(255,255,255,.02); }
.ei-row-chevron {
  color: var(--text-muted); transition: transform .15s ease;
  vertical-align: middle; margin-right: 6px; flex-shrink: 0;
}
.ei-chevron-open { transform: rotate(90deg); }
.ei-expand-row td { background: rgba(99,102,241,.03); }
.ei-expand-panel {
  padding: 16px 20px;
  border-left: 3px solid var(--accent, #6366f1);
  background: rgba(99,102,241,.04);
}
.ei-expand-section { margin-bottom: 14px; }
.ei-expand-section:last-child { margin-bottom: 0; }
.ei-expand-section-title {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text-muted); margin-bottom: 8px;
}
.ei-state-detail-grid {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.ei-state-detail-card {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--bg-tertiary, #0f172a);
  border-radius: 6px; font-size: 13px;
}
.ei-state-detail-key {
  font-weight: 700; color: var(--text-primary);
}
.ei-state-detail-val {
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--text-secondary);
}
.ei-val-pos { color: var(--success, #10b981); }
.ei-val-neg { color: var(--error, #ef4444); }
.ei-cat-card { background: rgba(59,130,246,.08); }

/* Forensic expansion (shared with Revenue Intelligence) */
.ri-forensic {
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 20px;
}
.ri-forensic-why { grid-column: 1; }
.ri-forensic-steps { grid-column: 2; }
.ri-forensic-chips {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding-top: 10px; border-top: 1px solid var(--border, #334155);
}
.ri-forensic-label {
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text-muted); margin-bottom: 6px;
}
.ri-forensic-text {
  font-size: 14px; line-height: 1.55; color: var(--text-primary);
}
.ri-forensic-step-list { display: flex; flex-direction: column; gap: 6px; }
.ri-forensic-step {
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 13px; color: var(--text-secondary); line-height: 1.4;
}
.ri-forensic-num {
  flex-shrink: 0; width: 20px; height: 20px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; font-size: 10px; font-weight: 700;
  background: rgba(99,102,241,.15); color: var(--accent, #6366f1);
}
@media (max-width: 768px) {
  .ri-forensic { grid-template-columns: 1fr; }
  .ri-forensic-steps { grid-column: 1; }
}