/* High-End B2B Data & Media Buying Analytics Styling */
:root {
  --bg-app: #0b0d11;
  --bg-card: #12151c;
  --bg-card-hover: #161a24;
  --bg-input: #171b24;
  --bg-subtle: #1c212d;
  --border-color: #212634;
  --border-subtle: #191e29;
  --border-focus: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #f8fafc;
  --accent-btn: #1e2432;
  --accent-btn-hover: #293144;
  --status-success-bg: #0e2a1d;
  --status-success-border: #164e32;
  --status-success-text: #4ade80;
  --status-warning-bg: #2d2011;
  --status-warning-border: #523a1e;
  --status-warning-text: #fbbf24;
  --status-error-bg: #2a1215;
  --status-error-border: #4c1d22;
  --status-error-text: #f87171;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 20px;
  background-color: #0f1218;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-tabs {
  display: flex;
  gap: 6px;
  background-color: #151821;
  padding: 3px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
}

.tab-btn {
  background: transparent;
  border: none;
  border-radius: 4px;
  color: var(--text-secondary);
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-sans);
}

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

.tab-btn.active {
  color: var(--text-primary);
  background-color: #242b3a;
  box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-email {
  font-size: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.user-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
  background-color: var(--status-success-bg);
  color: var(--status-success-text);
  border: 1px solid var(--status-success-border);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 20px;
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
}

.tab-pane {
  display: none;
}

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

/* Panel Containers */
.panel-container {
  max-width: 960px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: 18px;
}

.page-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* Card */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 18px;
}

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

.card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.card-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 14px; }
.mt-4 { margin-top: 20px; }

/* Forms & Inputs */
.form-row {
  margin-bottom: 14px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-with-action {
  display: flex;
  gap: 8px;
  max-width: 320px;
}

.form-select, .form-input {
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-size: 12px;
  padding: 6px 10px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.15s ease;
  width: 100%;
}

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

.date-input {
  font-family: var(--font-mono);
  font-size: 11px;
  width: 130px;
}

.search-input {
  width: 240px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 13px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.btn-primary {
  background-color: #f1f5f9;
  color: #0b0d11;
  border: 1px solid #f1f5f9;
}

.btn-primary:hover {
  background-color: #e2e8f0;
}

.btn-secondary {
  background-color: var(--accent-btn);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--accent-btn-hover);
  border-color: #353f54;
}

.btn-danger {
  background-color: var(--status-error-bg);
  color: var(--status-error-text);
  border: 1px solid var(--status-error-border);
}

.btn-danger:hover {
  background-color: #3d1b1f;
}

.btn-sm {
  padding: 3px 8px;
  font-size: 11px;
}

/* Drop Zone */
.drop-zone {
  border: 1px dashed var(--border-color);
  border-radius: 6px;
  padding: 36px 20px;
  text-align: center;
  cursor: pointer;
  background-color: #0f1217;
  transition: all 0.15s ease;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: #475569;
  background-color: #141820;
}

.drop-icon {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 8px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  display: inline-block;
  margin-bottom: 10px;
  color: var(--text-secondary);
}

.drop-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.drop-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}

.status-banner {
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 4px;
  font-size: 12px;
}

.status-banner.success {
  background-color: var(--status-success-bg);
  border: 1px solid var(--status-success-border);
  color: var(--status-success-text);
}

.status-banner.error {
  background-color: var(--status-error-bg);
  border: 1px solid var(--status-error-border);
  color: var(--status-error-text);
}

.hidden {
  display: none !important;
}

/* Analytics Filter Bar */
.filter-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px;
  padding: 14px 18px;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.filter-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.filter-dates {
  display: flex;
  align-items: center;
  gap: 6px;
}

.date-sep {
  color: var(--text-muted);
}

.segmented-control {
  display: flex;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 2px;
}

.seg-btn {
  background: transparent;
  border: none;
  border-radius: 3px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  cursor: pointer;
}

.seg-btn.active {
  background-color: #242b3a;
  color: var(--text-primary);
}

.filter-actions {
  margin-left: auto;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px 16px;
}

.kpi-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.kpi-value {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  color: var(--text-primary);
  margin-top: 4px;
  letter-spacing: -0.02em;
}

.kpi-sub {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 3px;
  font-family: var(--font-mono);
}

/* Tables */
.table-card {
  padding: 0;
  overflow: hidden;
}

.table-header-flex {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0;
}

.table-info {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.table-responsive {
  overflow-x: auto;
  max-width: 100%;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  text-align: left;
  font-variant-numeric: tabular-nums;
}

.data-table th {
  background-color: #10131a;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  position: sticky;
  top: 0;
  z-index: 5;
}

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

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

.data-table td {
  padding: 7px 12px;
  border-bottom: 1px solid #171b24;
  color: var(--text-primary);
  white-space: nowrap;
  height: 38px;
}

.data-table tbody tr {
  transition: background-color 0.1s ease;
}

.data-table tbody tr:hover {
  background-color: var(--bg-card-hover);
}

/* Ghost / Flat Select in Table Cells */
.data-table .form-select {
  background-color: transparent;
  border: 1px solid transparent;
  color: var(--text-primary);
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.15s ease;
  cursor: pointer;
}

.data-table .form-select:hover {
  background-color: var(--bg-input);
  border-color: var(--border-color);
}

.data-table .form-select:focus {
  background-color: var(--bg-input);
  border-color: var(--border-focus);
}

.text-right {
  text-align: right;
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--text-muted);
}

.font-mono {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum' 1;
}

.title-cell {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  max-width: 480px;
  white-space: normal;
  word-break: break-word;
}

.title-text-wrap {
  display: flex;
  flex-direction: column;
}

.title-main {
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.35;
}

.sub-tag {
  display: inline-block;
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 1px;
}

/* Expandable drilldown rows */
.expand-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  background-color: var(--bg-input);
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-top: 1px;
  transition: all 0.15s ease;
}

.expand-toggle:hover {
  background-color: var(--accent-btn-hover);
  color: var(--text-primary);
  border-color: #475569;
}

.drilldown-row {
  background-color: #0e1117 !important;
}

.drilldown-container {
  padding: 12px 18px 14px 32px;
  border-bottom: 1px solid var(--border-color);
}

.drilldown-header {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.sub-table {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 11px;
  background-color: #12151c;
}

.sub-table th {
  background-color: #161922;
  padding: 6px 10px;
  font-size: 9px;
}

.sub-table td {
  padding: 6px 10px;
  border-bottom: 1px solid #191d27;
  height: 32px;
}

.sub-table tr:hover {
  background-color: #191d28 !important;
}

/* Keitaro Tab Styling */
.keitaro-status-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 12px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #64748b;
}

.status-dot.online {
  background-color: #22c55e;
  box-shadow: 0 0 6px rgba(34, 197, 94, 0.4);
}

.status-dot.offline {
  background-color: #ef4444;
}

.auto-sync-toggle {
  display: flex;
  align-items: center;
}

.toggle-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 12px;
}

.sync-preview-box {
  background-color: #0f1217;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 14px 18px;
}

.sync-summary-grid {
  display: flex;
  gap: 36px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10px;
  font-family: var(--font-mono);
  font-weight: 500;
  border: 1px solid transparent;
}

.badge-success {
  background-color: var(--status-success-bg);
  border-color: var(--status-success-border);
  color: var(--status-success-text);
}

.badge-warning {
  background-color: var(--status-warning-bg);
  border-color: var(--status-warning-border);
  color: var(--status-warning-text);
}

.badge-info {
  background-color: #13243a;
  border-color: #1e3a5f;
  color: #60a5fa;
}

.mapping-row-unmapped {
  background-color: rgba(251, 191, 36, 0.03) !important;
}

.mapping-row-unmapped td:first-child {
  border-left: 3px solid #fbbf24;
}

.mapping-row-mapped td:first-child {
  border-left: 3px solid #22c55e;
}

/* Login Screen Styles */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background-color: var(--bg-app);
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 32px 28px;
  max-width: 380px;
  width: 100%;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.login-header {
  text-align: center;
  margin-bottom: 24px;
}

.login-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.login-btn {
  width: 100%;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
}

/* Modal Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(2px);
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0,0,0,0.6);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  color: var(--text-primary);
}

.checkbox-item input[type="checkbox"] {
  margin-top: 3px;
  cursor: pointer;
}

.custom-buyers-box {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  padding: 10px 12px;
}

.buyers-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  max-height: 120px;
  overflow-y: auto;
}