/* ═══════════════════════════════════════════════════════════════════════════
   PRODUCT OVERVIEW — Interactive analytics dashboard
   ═══════════════════════════════════════════════════════════════════════════ */

#product-overview {
  position: fixed;
  inset: 0;
  background: var(--surface);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ─── Header ─────────────────────────────────────────────────────────────── */

.po-header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 24px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.po-brand-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 6px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s;
}

.po-brand-btn:hover {
  background: var(--surface3);
  border-color: var(--accent);
}

.po-brand-btn svg {
  flex-shrink: 0;
}

.po-brand-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.3px;
}

.po-brand-accent {
  color: #ff005c;
}

.po-header h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
  flex: 1;
}

.po-summary {
  display: flex;
  gap: 24px;
}

.po-summary-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.po-summary-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
}

.po-summary-label {
  font-size: 11px;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ─── Body ───────────────────────────────────────────────────────────────── */

.po-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ─── Filters Panel ──────────────────────────────────────────────────────── */

.po-filters {
  width: 280px;
  flex-shrink: 0;
  padding: 20px;
  background: var(--surface2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.po-filters-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.po-filters-header h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.po-clear-filters {
  padding: 4px 10px;
  background: transparent;
  border: none;
  border-radius: 4px;
  font-size: 12px;
  color: var(--accent);
  cursor: pointer;
  transition: background 0.2s;
}

.po-clear-filters:hover {
  background: rgba(255, 0, 92, 0.1);
}

.po-filter-section {
  margin-bottom: 16px;
}

.po-filter-section label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--text2);
  margin-bottom: 6px;
}

/* Multi-select dropdown */
.po-multiselect {
  position: relative;
}

.po-multiselect-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.po-multiselect-trigger:hover {
  border-color: var(--text3);
}

.po-multiselect.open .po-multiselect-trigger {
  border-color: var(--accent);
}

.po-multiselect-text {
  font-size: 13px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.po-multiselect-trigger svg {
  flex-shrink: 0;
  color: var(--text3);
  transition: transform 0.2s;
}

.po-multiselect.open .po-multiselect-trigger svg {
  transform: rotate(180deg);
}

.po-multiselect-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  margin-top: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  z-index: 100;
  display: none;
  max-height: 280px;
  overflow: hidden;
  flex-direction: column;
}

.po-multiselect.open .po-multiselect-dropdown {
  display: flex;
}

.po-multiselect-search {
  width: 100%;
  padding: 10px 12px;
  background: var(--surface2);
  border: none;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  color: var(--text);
  outline: none;
}

.po-multiselect-search::placeholder {
  color: var(--text3);
}

.po-multiselect-options {
  overflow-y: auto;
  flex: 1;
}

.po-multiselect-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.15s;
}

.po-multiselect-option:hover {
  background: var(--surface2);
}

.po-multiselect-option input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.po-multiselect-option span {
  font-size: 13px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Range inputs */
.po-range-inputs {
  display: flex;
  align-items: center;
  gap: 8px;
}

.po-range-inputs input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
}

.po-range-inputs input:focus {
  border-color: var(--accent);
}

.po-range-inputs span {
  font-size: 12px;
  color: var(--text3);
}

/* Data freshness indicator */
.po-data-freshness {
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text3);
}

.po-data-freshness svg {
  flex-shrink: 0;
  opacity: 0.6;
}

.po-data-freshness strong {
  color: var(--text2);
  font-weight: 500;
}

/* ─── Content Area ───────────────────────────────────────────────────────── */

.po-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Chart section */
.po-chart-section {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  min-width: 0; /* Prevent overflow in grid */
}

.po-chart-section h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 16px;
}

/* Chart header with toggle and filter */
.po-chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.po-chart-toggle {
  display: flex;
  gap: 2px;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
}

.po-chart-toggle-btn {
  padding: 8px 16px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text3);
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
}

.po-chart-toggle-btn:hover:not(.active) {
  color: var(--text);
  background: var(--surface2);
}

.po-chart-toggle-btn.active {
  background: #ff005c;
  color: white;
  box-shadow: 0 2px 8px rgba(255, 0, 92, 0.3);
}

.po-chart-filter {
  display: flex;
  align-items: center;
  gap: 8px;
}

.po-chart-filter label {
  font-size: 13px;
  color: var(--text2);
}

.po-chart-filter select {
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  outline: none;
}

.po-chart-filter select:focus {
  border-color: #ff005c;
}

.po-chart {
  position: relative;
  width: 100%;
  height: 400px;
}

.po-chart-scroll {
  width: 100%;
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
}

.po-chart-scroll::-webkit-scrollbar {
  height: 8px;
}

.po-chart-scroll::-webkit-scrollbar-track {
  background: var(--surface3);
  border-radius: 4px;
}

.po-chart-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.po-chart-scroll::-webkit-scrollbar-thumb:hover {
  background: var(--text3);
}

.po-chart svg {
  display: block;
}

.po-chart:not(:has(.po-chart-scroll)) svg {
  width: 100%;
  height: 100%;
}

.po-chart .bar {
  cursor: pointer;
  transition: fill 0.15s;
}

.po-chart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text3);
  font-size: 14px;
}

.po-chart-tooltip {
  position: absolute;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text);
  pointer-events: none;
  z-index: 10;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* Table section */
.po-table-section {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 300px;
}

.po-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.po-table-section h2 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.po-table-section h2 span {
  font-weight: 400;
  color: var(--text3);
}

.po-view-toggle {
  display: flex;
  gap: 2px;
  background: var(--surface3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 4px;
}

.po-view-btn {
  padding: 8px 16px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text3);
  cursor: pointer;
  transition: all 0.2s ease;
  outline: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.po-view-btn:hover:not(.active) {
  color: var(--text);
  background: var(--surface2);
}

.po-view-btn:focus {
  outline: none;
  box-shadow: none;
}

.po-view-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.po-view-btn.active {
  background: #ff005c;
  color: white;
  box-shadow: 0 2px 8px rgba(255, 0, 92, 0.3);
}

.po-table-wrapper {
  flex: 1;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.po-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.po-table th {
  position: sticky;
  top: 0;
  padding: 12px 16px;
  background: var(--surface3);
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-weight: 600;
  color: var(--text2);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.po-table th:hover {
  color: var(--text);
  background: var(--surface2);
}

.po-table th.sort-asc,
.po-table th.sort-desc {
  color: #ff005c;
  background: var(--surface2);
}

.po-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.po-table tbody tr:hover {
  background: var(--surface3);
}

.po-table .po-revenue {
  font-family: monospace;
  font-weight: 500;
  color: var(--accent);
}

.po-table .po-percent {
  font-family: monospace;
  font-weight: 500;
  color: var(--purple);
  text-align: right;
}

.po-table .po-count {
  font-family: monospace;
  font-weight: 500;
  color: var(--text);
  text-align: center;
}

.po-table-empty,
.po-table-more {
  text-align: center;
  color: var(--text3);
  padding: 24px 16px !important;
}

/* Clickable rows */
.po-row-clickable {
  cursor: pointer;
}

.po-row-clickable:hover {
  background: var(--surface3) !important;
}

/* ─── Context Menu ───────────────────────────────────────────────────────── */

.po-context-menu {
  position: fixed;
  z-index: 10000;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  display: none;
  min-width: 180px;
}

.po-context-menu.visible {
  display: block;
}

.po-context-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.po-context-item:hover {
  background: var(--surface3);
}

.po-context-item svg {
  flex-shrink: 0;
  color: var(--text2);
}

/* ─── Account Detail Modal ───────────────────────────────────────────────── */

.po-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.po-modal-overlay.visible {
  display: flex;
}

.po-modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%;
  max-width: 910px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.po-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.po-modal-header h2 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.po-modal-close {
  padding: 8px;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
}

.po-modal-close:hover {
  background: var(--surface2);
  color: var(--text);
}

.po-modal-body {
  padding: 24px;
  overflow-y: auto;
}

.po-account-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.po-account-stat {
  background: var(--surface2);
  border-radius: 8px;
  padding: 16px;
}

.po-account-stat-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text3);
  margin-bottom: 4px;
}

.po-account-stat-value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.po-account-stat:first-child .po-account-stat-value {
  color: #ff005c;
  font-size: 20px;
}

.po-account-section {
  margin-bottom: 24px;
}

.po-account-section:last-child {
  margin-bottom: 0;
}

.po-account-section h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 12px;
}

.po-account-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.po-account-table th {
  padding: 10px 12px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-weight: 600;
  color: var(--text2);
}

.po-account-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.po-account-table .po-revenue {
  font-family: monospace;
  color: var(--accent);
}

.po-account-table .po-percent {
  font-family: monospace;
  color: var(--purple);
}

.po-account-projects {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.po-project-tag {
  display: inline-block;
  padding: 6px 12px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--text2);
}

/* ─── Modal Tabs ─────────────────────────────────────────────────────────── */

.po-modal-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  background: var(--surface2);
  padding: 4px;
  border-radius: 8px;
}

.po-modal-tab {
  flex: 1;
  padding: 10px 16px;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text3);
  cursor: pointer;
  transition: all 0.2s;
  outline: none;
}

.po-modal-tab:hover:not(.active) {
  color: var(--text);
  background: var(--surface3);
}

.po-modal-tab.active {
  background: #ff005c;
  color: white;
}

.po-modal-tab-content {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ─── Comparison Matrix View ─────────────────────────────────────────────── */

.po-comparison-matrix-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.po-comparison-matrix {
  min-width: 100%;
  border: none;
}

.po-comparison-matrix th,
.po-comparison-matrix td {
  white-space: nowrap;
  min-width: 100px;
}

.po-comparison-matrix .po-sticky-col {
  position: sticky;
  left: 0;
  background: var(--surface2);
  z-index: 1;
  min-width: 180px;
  max-width: 250px;
  white-space: normal;
  word-break: break-word;
}

.po-comparison-matrix tbody .po-sticky-col {
  background: var(--surface);
}

.po-comparison-matrix tbody tr:hover .po-sticky-col {
  background: var(--surface3);
}

.po-comparison-matrix .po-project-name {
  font-weight: 500;
  color: var(--text);
}

.po-comparison-matrix .po-total-col {
  background: var(--surface2);
  border-left: 2px solid var(--border);
}

.po-comparison-matrix .po-empty {
  color: var(--text3);
  text-align: center;
}

.po-comparison-matrix .po-totals-row {
  background: var(--surface2);
  border-top: 2px solid var(--border);
}

.po-comparison-matrix .po-totals-row td {
  font-weight: 600;
}

.po-comparison-matrix tfoot .po-sticky-col {
  background: var(--surface2);
}

/* ─── Individual Product View ────────────────────────────────────────────── */

.po-individual-selector {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--surface2);
  border-radius: 8px;
}

.po-individual-selector label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text2);
}

.po-individual-selector select {
  flex: 1;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  outline: none;
}

.po-individual-selector select:focus {
  border-color: #ff005c;
}

.po-individual-product {
  animation: fadeIn 0.2s ease;
}

.po-stat-wide {
  grid-column: 1 / -1;
}

/* ─── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .po-body {
    flex-direction: column;
  }

  .po-filters {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 200px;
  }

  .po-header {
    flex-wrap: wrap;
  }

  .po-summary {
    width: 100%;
    justify-content: space-around;
    margin-top: 12px;
  }

  .po-summary-stat {
    align-items: center;
  }
}

@media (max-width: 600px) {
  .po-header h1 {
    font-size: 16px;
  }

  .po-content {
    padding: 16px;
  }

  .po-chart {
    height: 300px;
  }

  .po-table th,
  .po-table td {
    padding: 8px 12px;
    font-size: 12px;
  }
}