/* ========================================================
   Motive Operating Model Dashboard — Theme & Layout
   ======================================================== */

/* --- CSS Custom Properties: Light (default) --- */
:root {
  --text-on-primary: #FFFFFF;
  --text-primary: #383634;
  --text-secondary: #6a6867;
  --text-tertiary: #7D7C78;
  --primary: #4750F5;
  --primary-30: rgba(71, 80, 245, 0.19);
  --primary-gradient: linear-gradient(205deg, #6A71F5 7.55%, #4750F5 90.59%);
  --background: #FFFFFF;
  --surface: #FFFFFF;
  --elevated-one: #FFFFFF;
  --elevated-two: #f3f3f0;
  --danger-red: #FF500B;
  --success-green: #66BC6E;
  --success-green-30: rgba(102, 188, 110, 0.25);
  --warning-orange: #FF9D00;
  --disabled: #C9C9C9;
  --border-strong-color: #EBEBEB;
  --border-extra-strong: #D6D4CB;
  --shadow-soft: 0px 0px 5px 0px rgba(0,0,0,0.02), 0px 2px 10px 0px rgba(0,0,0,0.06), 0px 0px 1px 0px rgba(0,0,0,0.3);
  --shadow-md: rgba(15,15,15,0.05) 0px 0px 0px 1px, rgba(15,15,15,0.1) 0px 3px 6px, rgba(15,15,15,0.2) 0px 9px 24px;
  --tooltip-bg: #383634;
  --tooltip-text: #FFFFFF;
  --tooltip-border: rgba(0,0,0,0.08);

  /* chart palette */
  --chart-0: #F29A30;
  --chart-1: #F15F25;
  --chart-2: #1F84CD;
  --chart-3: #FF4705;
  --chart-4: #452347;
  --chart-5: #4750F5;
  --chart-6: #80e1d9;
  --chart-7: #f8bceb;
  --chart-8: #5bb7af;
  --chart-9: #b2596e;

  --font-text: 'GT Walsheim', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Berkeley Mono', 'SF Mono', 'Fira Code', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

/* --- Dark mode overrides --- */
[data-theme="dark"] {
  --text-on-primary: #FFFFFF;
  --text-primary: #d5d4d0;
  --text-secondary: #9c9b97;
  --text-tertiary: #7D7C78;
  --primary: #6A71F5;
  --primary-30: rgba(93, 101, 255, 0.19);
  --primary-gradient: linear-gradient(200deg, #6A71F5 9%, #4750F5 85%);
  --background: #1a1918;
  --surface: #141312;
  --elevated-one: #1c1b1a;
  --elevated-two: #383634;
  --danger-red: #FF3800;
  --success-green: #66BC6E;
  --success-green-30: rgba(102, 188, 110, 0.25);
  --warning-orange: #FF9D00;
  --disabled: #727068;
  --border-strong-color: #3c3b39;
  --border-extra-strong: #514F48;
  --shadow-soft: 0px 0px 5px 0px rgba(0,0,0,0.1), 0px 0px 6px 0px rgba(0,0,0,0.2), 0px 0px 1px 0px rgba(255,255,255,0.12);
  --shadow-md: rgba(15,15,15,0.1) 0px 0px 0px 1px, rgba(15,15,15,0.2) 0px 3px 6px, rgba(15,15,15,0.4) 0px 9px 24px;
  --tooltip-bg: #2a2928;
  --tooltip-text: #d5d4d0;
  --tooltip-border: rgba(255,255,255,0.1);

  --chart-0: #F29A30;
  --chart-1: #F15F25;
  --chart-2: #1F84CD;
  --chart-3: #FF4705;
  --chart-4: #fcefe2;
  --chart-5: #4750F5;
  --chart-6: #80e1d9;
  --chart-7: #f8bceb;
  --chart-8: #5bb7af;
  --chart-9: #b2596e;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-kerning: normal;
  font-variant-alternates: normal;
  font-feature-settings: "ss01" !important;
  letter-spacing: -0.01em;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-text);
  color: var(--text-primary);
  background: var(--background);
  line-height: 1.5;
  min-height: 100vh;
}

/* --- Numeric class — apply to any element showing a number --- */
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-extra-strong); border-radius: 3px; }

/* ========================================================
   Header
   ======================================================== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-strong-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-logo {
  height: 28px;
  width: auto;
}

.header-title {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding-left: 16px;
  border-left: 1px solid var(--border-strong-color);
}

.theme-toggle {
  background: var(--elevated-two);
  border: 1px solid var(--border-strong-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: background 0.15s, border-color 0.15s;
}

.theme-toggle:hover {
  border-color: var(--border-extra-strong);
}

/* ========================================================
   Filter Bar
   ======================================================== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border-strong-color);
  position: sticky;
  top: 69px;
  z-index: 90;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.filter-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.filter-input,
.filter-select {
  font-family: var(--font-text);
  font-size: 0.85rem;
  color: var(--text-primary);
  background: var(--elevated-two);
  border: 1px solid var(--border-strong-color);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  outline: none;
  transition: border-color 0.15s;
  min-width: 130px;
}

.filter-input:focus,
.filter-select:focus {
  border-color: var(--primary);
}

.filter-input::placeholder {
  color: var(--text-tertiary);
}

/* Status chips */
.status-chips {
  display: flex;
  gap: 6px;
}

.status-chip {
  font-family: var(--font-text);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-strong-color);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.status-chip.active {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: var(--primary);
}

.status-chip:hover:not(.active) {
  border-color: var(--border-extra-strong);
  color: var(--text-primary);
}

.filter-reset {
  font-family: var(--font-text);
  font-size: 0.8rem;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 8px;
  align-self: flex-end;
  font-weight: 500;
}

.filter-reset:hover {
  text-decoration: underline;
}

/* ========================================================
   Section Navigation
   ======================================================== */
.section-nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--border-strong-color);
  position: sticky;
  top: var(--nav-top, 69px);
  z-index: 80;
  scrollbar-width: none;
}

.section-nav::-webkit-scrollbar { display: none; }

.section-nav-row {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 8px 32px;
  overflow-x: auto;
  scrollbar-width: none;
}

.section-nav-row::-webkit-scrollbar { display: none; }

.section-nav-row.subtab-row {
  padding: 4px 32px 6px;
  border-top: 1px solid var(--border-strong-color);
  background: var(--elevated-two);
  display: none;
}

.section-nav-row.subtab-row.visible {
  display: flex;
}

.section-nav-btn {
  font-family: var(--font-text);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 16px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.section-nav-btn:hover {
  color: var(--text-primary);
  background: var(--elevated-two);
}

.section-nav-btn.active {
  background: var(--primary);
  color: var(--text-on-primary);
}

.subtab-btn {
  font-family: var(--font-text);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.subtab-btn:hover {
  color: var(--text-primary);
  background: var(--surface);
}

.subtab-btn.active {
  background: var(--surface);
  color: var(--primary);
  border-color: var(--border-strong-color);
}

/* ========================================================
   Main Content
   ======================================================== */
.main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 32px 64px;
}

/* ========================================================
   Summary Metrics
   ======================================================== */
.metric-summary-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.metric-summary-card {
  background: var(--elevated-one);
  border: 1px solid var(--border-strong-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-soft);
}

.metric-summary-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-strong-color);
}

.metric-summary-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-summary-caption {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-align: right;
}

.metric-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.metric-summary-kpi {
  min-width: 0;
}

/* ========================================================
   KPI Cards
   ======================================================== */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.kpi-card {
  background: var(--elevated-one);
  border: 1px solid var(--border-strong-color);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  box-shadow: var(--shadow-soft);
}

.kpi-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 6px;
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.kpi-sub {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ========================================================
   Chart Grid
   ======================================================== */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.chart-card {
  background: var(--elevated-one);
  border: 1px solid var(--border-strong-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-soft);
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.chart-title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* For charts without a header wrapper, keep old margin */
.chart-card > .chart-title {
  margin-bottom: 14px;
}

.chart-desc {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.45;
  margin: 4px 0 10px;
  max-width: 680px;
}

.chart-card > .chart-title + .chart-desc {
  margin-top: -8px;
  margin-bottom: 14px;
}

.chart-insights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.insight-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-text);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--elevated-two);
  color: var(--text-secondary);
}

.insight-chip .insight-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
}

.insight-chip.positive { background: var(--success-green-30); }
.insight-chip.negative { background: rgba(255, 71, 5, 0.12); }

.chart-narrative {
  margin-top: 12px;
  padding: 12px 16px;
  background: var(--elevated-two);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.chart-narrative strong {
  color: var(--text-primary);
  font-weight: 600;
}

.chart-narrative .narrative-row {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  margin-bottom: 4px;
}

.chart-narrative .narrative-row:last-child {
  margin-bottom: 0;
}

.chart-controls {
  display: flex;
  gap: 4px;
}

.chart-toggle-btn {
  font-family: var(--font-text);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 14px;
  border: 1px solid var(--border-strong-color);
  background: transparent;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s;
}

.chart-toggle-btn.active {
  background: var(--primary);
  color: var(--text-on-primary);
  border-color: var(--primary);
}

.chart-toggle-btn:hover:not(.active) {
  border-color: var(--border-extra-strong);
  color: var(--text-primary);
}

.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

.chart-card.full-width .chart-container {
  height: 300px;
}

.chart-card.tall .chart-container,
.chart-container.tall {
  height: 340px;
}

/* ========================================================
   Section Dividers
   ======================================================== */
.section-heading {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-strong-color);
}

/* ========================================================
   Tables Section
   ======================================================== */
.tables-section {
  margin-top: 8px;
}

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-strong-color);
  margin-bottom: 0;
}

.tab-btn {
  font-family: var(--font-text);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-tertiary);
  background: none;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}

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

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.table-wrap {
  overflow-x: auto;
  overflow-y: auto;
  max-height: 600px;
  border: 1px solid var(--border-strong-color);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  background: var(--elevated-one);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--elevated-two);
  color: var(--text-secondary);
  font-weight: 500;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-strong-color);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

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

.data-table th .sort-arrow {
  margin-left: 4px;
  opacity: 0.4;
  font-size: 0.7rem;
}

.data-table th.sorted .sort-arrow {
  opacity: 1;
  color: var(--primary);
}

.data-table td {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-strong-color);
  white-space: nowrap;
  max-width: 240px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:nth-child(even) {
  background: var(--elevated-two);
}

.data-table tbody tr:hover {
  background: var(--primary-30);
}

.data-table .col-num {
  font-family: var(--font-mono);
  text-align: right;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

.data-table .col-pct {
  font-family: var(--font-mono);
  text-align: right;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
}

/* ========================================================
   Loading & Empty States
   ======================================================== */
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
  color: var(--text-tertiary);
  font-size: 0.95rem;
}

.loading-overlay.hidden {
  display: none;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-strong-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 10px;
}

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

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-tertiary);
  font-size: 0.9rem;
}

.table-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  font-size: 0.78rem;
  color: var(--text-tertiary);
  border-top: 1px solid var(--border-strong-color);
  background: var(--elevated-one);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* ========================================================
   Heatmap Tables
   ======================================================== */
.heatmap-container {
  overflow-x: auto;
  padding: 4px 0;
}

.heatmap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.heatmap-table th {
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-strong-color);
  white-space: nowrap;
  font-size: 0.72rem;
}

.heatmap-table th:first-child,
.heatmap-table th:nth-child(2) {
  text-align: left;
}

.heatmap-table td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-strong-color);
  white-space: nowrap;
}

.heatmap-cohort {
  font-weight: 500;
  color: var(--text-primary);
}

.heatmap-count {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.heatmap-cell {
  text-align: center;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  font-size: 0.75rem;
  border-radius: 3px;
  min-width: 48px;
  color: var(--text-primary);
}

.heatmap-cell.empty {
  color: var(--text-tertiary);
  background: transparent !important;
}

.heatmap-table tbody tr:hover {
  background: var(--primary-30);
}

/* ========================================================
   Drag-Select Overlay
   ======================================================== */
.drag-select-overlay {
  position: absolute;
  transform: translate(-50%, -100%);
  background: var(--tooltip-bg);
  color: var(--tooltip-text);
  border: 1px solid var(--tooltip-border);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  text-align: center;
  box-shadow: var(--shadow-md);
  z-index: 20;
  pointer-events: auto;
  min-width: 120px;
  animation: fadeIn 0.15s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translate(-50%, -90%); }
  to { opacity: 1; transform: translate(-50%, -100%); }
}

.drag-select-range {
  font-family: var(--font-text);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  margin-bottom: 4px;
  white-space: nowrap;
}

.drag-select-value {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.drag-select-value.positive { color: var(--success-green); }
.drag-select-value.negative { color: var(--danger-red); }

.drag-select-pct {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: -0.03em;
}

.drag-select-pct.positive { color: var(--success-green); }
.drag-select-pct.negative { color: var(--danger-red); }

.drag-select-close {
  position: absolute;
  top: 2px;
  right: 6px;
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 2px;
}

.drag-select-close:hover {
  color: var(--tooltip-text);
}

/* ========================================================
   Responsive
   ======================================================== */
@media (max-width: 1100px) {
  .metric-summary-grid {
    grid-template-columns: 1fr;
  }

  .kpi-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 800px) {
  .header { padding: 12px 16px; }
  .filter-bar { padding: 10px 16px; }
  .main { padding: 16px; }

  .metric-summary-row {
    grid-template-columns: 1fr;
  }

  .metric-summary-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .metric-summary-caption {
    text-align: left;
  }

  .kpi-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .chart-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 500px) {
  .kpi-row {
    grid-template-columns: 1fr;
  }
}