:root {
   --vinny-teal: #457780;
   --vinny-teal-light: #5a9fb0;
   --vinny-teal-dark: #3d646b;
   --vinny-teal-darker: #2d5a5f;
   --vinny-teal-darkest: #1d4349;
   --vinny-pink: #e07a8d;
   --vinny-pink-light: #fce8ec;

   --gray-50: #f9fafb;
   --gray-100: #f3f4f6;
   --gray-200: #e5e7eb;
   --gray-300: #d1d5db;
   --gray-400: #9ca3af;
   --gray-500: #6b7280;
   --gray-600: #4b5563;
   --gray-700: #374151;
   --gray-800: #1f2937;
   --gray-900: #111827;

   --success: #10b981;
   --warning: #f59e0b;
   --error: #ef4444;

   --spacing-xs: 4px;
   --spacing-sm: 8px;
   --spacing-md: 16px;
   --spacing-lg: 24px;
   --spacing-xl: 32px;
   --spacing-2xl: 48px;

   --radius-sm: 4px;
   --radius-md: 8px;
   --radius-lg: 12px;
   --radius-xl: 16px;

   --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
   --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
   --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

*,
*::before,
*::after {
   box-sizing: border-box;
}

body {
   margin: 0;
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
   font-size: 14px;
   line-height: 1.5;
   color: var(--gray-800);
   background: var(--gray-50);
   -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6 {
   margin: 0 0 var(--spacing-md);
   font-weight: 600;
   line-height: 1.3;
}

h1 {
   font-size: 28px;
}
h2 {
   font-size: 22px;
}
h3 {
   font-size: 18px;
}
h4 {
   font-size: 16px;
}

p {
   margin: 0 0 var(--spacing-md);
}

a {
   color: var(--vinny-teal);
   text-decoration: none;
}

a:hover {
   text-decoration: underline;
}

.container {
   max-width: 1200px;
   margin: 0 auto;
   padding: 0 var(--spacing-lg);
}

.auth-page {
   min-height: 100vh;
   display: flex;
   align-items: center;
   justify-content: center;
   background: linear-gradient(135deg, var(--vinny-teal-darker) 0%, var(--vinny-teal-darkest) 100%);
   padding: var(--spacing-lg);
}

.auth-card {
   background: white;
   border-radius: var(--radius-xl);
   box-shadow: var(--shadow-lg);
   padding: var(--spacing-2xl);
   width: 100%;
   max-width: 420px;
}

.auth-header {
   text-align: center;
   margin-bottom: var(--spacing-xl);
}

.auth-logo {
   width: 64px;
   height: 64px;
   background: var(--vinny-pink);
   border-radius: var(--radius-lg);
   display: flex;
   align-items: center;
   justify-content: center;
   margin: 0 auto var(--spacing-md);
   color: white;
   font-size: 28px;
   font-weight: bold;
}

.auth-title {
   color: var(--gray-900);
   margin-bottom: var(--spacing-xs);
}

.auth-subtitle {
   color: var(--gray-500);
   font-size: 14px;
}

.form-group {
   margin-bottom: var(--spacing-lg);
}

.form-label {
   display: block;
   font-weight: 500;
   margin-bottom: var(--spacing-xs);
   color: var(--gray-700);
}

.form-input {
   width: 100%;
   padding: 12px 16px;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-md);
   font-size: 14px;
   transition:
      border-color 0.2s,
      box-shadow 0.2s;
}

.form-input:focus {
   outline: none;
   border-color: var(--vinny-teal);
   box-shadow: 0 0 0 3px rgba(69, 119, 128, 0.1);
}

.form-input::placeholder {
   color: var(--gray-400);
}

.form-select {
   width: 100%;
   padding: 12px 16px;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-md);
   font-size: 14px;
   background: white;
   cursor: pointer;
   appearance: none;
   background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
   background-position: right 12px center;
   background-repeat: no-repeat;
   background-size: 16px;
}

.form-select:focus {
   outline: none;
   border-color: var(--vinny-teal);
   box-shadow: 0 0 0 3px rgba(69, 119, 128, 0.1);
}

.btn {
   display: inline-flex;
   align-items: center;
   justify-content: center;
   gap: var(--spacing-sm);
   padding: 12px 24px;
   border: none;
   border-radius: var(--radius-md);
   font-size: 14px;
   font-weight: 600;
   cursor: pointer;
   transition: all 0.2s;
   text-decoration: none;
}

.btn:disabled {
   opacity: 0.6;
   cursor: not-allowed;
}

.btn-primary {
   background: var(--vinny-teal);
   color: white;
}

.btn-primary:hover:not(:disabled) {
   background: var(--vinny-teal-dark);
}

.btn-secondary {
   background: var(--gray-100);
   color: var(--gray-700);
}

.btn-secondary:hover:not(:disabled) {
   background: var(--gray-200);
}

.btn-pink {
   background: var(--vinny-pink);
   color: white;
}

.btn-pink:hover:not(:disabled) {
   background: #c96879;
}

.btn-outline {
   background: transparent;
   border: 1px solid var(--gray-300);
   color: var(--gray-700);
}

.btn-outline:hover:not(:disabled) {
   background: var(--gray-50);
   border-color: var(--gray-400);
}

.btn-block {
   width: 100%;
}

.btn-sm {
   padding: 8px 16px;
   font-size: 13px;
}

.btn-lg {
   padding: 16px 32px;
   font-size: 16px;
}

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

.navbar {
   background: var(--vinny-teal-darker);
   color: white;
   padding: var(--spacing-md) var(--spacing-lg);
   display: flex;
   align-items: center;
   justify-content: space-between;
}

.navbar-brand {
   display: flex;
   align-items: center;
   gap: var(--spacing-md);
   color: white;
   text-decoration: none;
}

.navbar-logo {
   width: 36px;
   height: 36px;
   background: var(--vinny-pink);
   border-radius: var(--radius-md);
   display: flex;
   align-items: center;
   justify-content: center;
   font-weight: bold;
   font-size: 18px;
}

.navbar-title {
   font-size: 18px;
   font-weight: 600;
}

.navbar-user {
   display: flex;
   align-items: center;
   gap: var(--spacing-md);
}

.navbar-email {
   font-size: 13px;
   opacity: 0.9;
}

.navbar-logout {
   background: rgba(255, 255, 255, 0.1);
   color: white;
   border: none;
   padding: 8px 16px;
   border-radius: var(--radius-md);
   font-size: 13px;
   cursor: pointer;
   transition: background 0.2s;
}

.navbar-logout:hover {
   background: rgba(255, 255, 255, 0.2);
}

.main-content {
   flex: 1;
   padding: var(--spacing-xl);
}

.card {
   background: white;
   border-radius: var(--radius-lg);
   box-shadow: var(--shadow-sm);
   padding: var(--spacing-lg);
   margin-bottom: var(--spacing-lg);
}

.card-header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   margin-bottom: var(--spacing-lg);
   padding-bottom: var(--spacing-md);
   border-bottom: 1px solid var(--gray-200);
}

.card-title {
   font-size: 18px;
   font-weight: 600;
   margin: 0;
}

.report-form {
   display: grid;
   gap: var(--spacing-lg);
}

.form-row {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
   gap: var(--spacing-lg);
}

.date-inputs {
   display: grid;
   grid-template-columns: 1fr 1fr;
   gap: var(--spacing-md);
}

.date-presets {
   display: flex;
   flex-wrap: wrap;
   gap: var(--spacing-sm);
   margin-top: var(--spacing-sm);
}

.date-preset {
   padding: 6px 12px;
   background: var(--gray-100);
   border: none;
   border-radius: var(--radius-sm);
   font-size: 12px;
   color: var(--gray-600);
   cursor: pointer;
   transition: all 0.2s;
}

.date-preset:hover {
   background: var(--vinny-teal);
   color: white;
}

.date-preset.active {
   background: var(--vinny-teal);
   color: white;
}

.format-options {
   display: flex;
   gap: var(--spacing-md);
}

.format-option {
   flex: 1;
   padding: var(--spacing-md);
   border: 2px solid var(--gray-200);
   border-radius: var(--radius-md);
   cursor: pointer;
   transition: all 0.2s;
   text-align: center;
}

.format-option:hover {
   border-color: var(--vinny-teal-light);
}

.format-option.selected {
   border-color: var(--vinny-teal);
   background: rgba(69, 119, 128, 0.05);
}

.format-option input {
   display: none;
}

.format-icon {
   font-size: 32px;
   margin-bottom: var(--spacing-sm);
}

.format-label {
   font-weight: 600;
   color: var(--gray-700);
}

.format-desc {
   font-size: 12px;
   color: var(--gray-500);
   margin-top: 4px;
}

.form-actions {
   display: flex;
   gap: var(--spacing-md);
   padding-top: var(--spacing-md);
   border-top: 1px solid var(--gray-200);
   margin-top: var(--spacing-md);
}

/* Tab Bar */
.tab-bar {
   display: flex;
   gap: 0;
   border-bottom: 2px solid var(--gray-200);
   margin-top: var(--spacing-lg);
   margin-bottom: var(--spacing-lg);
}

.tab-btn {
   padding: 12px 24px;
   background: none;
   border: none;
   border-bottom: 2px solid transparent;
   margin-bottom: -2px;
   font-size: 14px;
   font-weight: 500;
   color: var(--gray-500);
   cursor: pointer;
   transition:
      color 0.2s,
      border-color 0.2s;
}

.tab-btn:hover {
   color: var(--vinny-teal);
}

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

.tab-content {
   display: none;
}

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

/* ── Dashboard View Toggles ────────────────────────────────────── */

.dash-view-toggles {
   display: flex;
   gap: var(--spacing-sm);
   margin-bottom: var(--spacing-lg);
   flex-wrap: wrap;
}

.dash-toggle {
   padding: 8px 16px;
   border-radius: var(--radius-md);
   border: 2px solid var(--gray-300);
   background: white;
   color: var(--gray-500);
   font-size: 13px;
   font-weight: 600;
   cursor: pointer;
   transition: all 0.15s ease;
}

.dash-toggle:hover {
   border-color: var(--gray-400);
   color: var(--gray-700);
}

.dash-toggle.active {
   border-color: var(--vinny-teal);
   background: var(--vinny-teal);
   color: white;
}

/* ── Vehicle Filters Row ──────────────────────────────────────── */

.vehicle-filters-row {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   gap: var(--spacing-md);
   margin-bottom: var(--spacing-lg);
}

@media (max-width: 768px) {
   .vehicle-filters-row {
      grid-template-columns: 1fr;
   }
}

/* ── Multi-Select Widget ──────────────────────────────────────── */

.multi-select-wrapper {
   position: relative;
}

.multi-select-toggle {
   display: flex;
   align-items: center;
   justify-content: space-between;
   width: 100%;
   padding: 0.5rem 0.75rem;
   font-size: 0.875rem;
   line-height: 1.4;
   color: var(--gray-800);
   background: white;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-sm);
   cursor: pointer;
   transition:
      border-color 0.15s ease,
      box-shadow 0.15s ease;
   text-align: left;
}

.multi-select-toggle:hover {
   border-color: var(--vinny-teal);
}

.multi-select-toggle:focus {
   outline: none;
   border-color: var(--vinny-teal);
   box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.multi-select-wrapper.disabled .multi-select-toggle {
   opacity: 0.5;
   cursor: not-allowed;
   background: var(--gray-100);
}

.multi-select-label {
   flex: 1;
   white-space: nowrap;
   overflow: hidden;
   text-overflow: ellipsis;
   color: var(--gray-500);
}

.multi-select-label.has-values {
   color: var(--gray-800);
   font-weight: 500;
}

.multi-select-arrow {
   margin-left: 0.5rem;
   font-size: 0.7rem;
   color: var(--gray-500);
   transition: transform 0.15s ease;
}

.multi-select-wrapper.open .multi-select-arrow {
   transform: rotate(180deg);
}

.multi-select-dropdown {
   position: absolute;
   top: calc(100% + 4px);
   left: 0;
   right: 0;
   max-height: 220px;
   overflow-y: auto;
   background: white;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-sm);
   box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
   z-index: 50;
   padding: 0.25rem 0;
}

.multi-select-option {
   display: flex;
   align-items: center;
   gap: 0.5rem;
   padding: 0.4rem 0.75rem;
   font-size: 0.85rem;
   cursor: pointer;
   transition: background 0.1s ease;
}

.multi-select-option:hover {
   background: var(--gray-100);
}

.multi-select-option input[type="checkbox"] {
   accent-color: var(--vinny-teal);
   width: 15px;
   height: 15px;
   flex-shrink: 0;
}

/* ── Dashboard Stat Cards ─────────────────────────────────────── */

.dashboard-stats-grid {
   display: grid;
   grid-template-columns: repeat(4, 1fr);
   gap: var(--spacing-md);
   margin-bottom: var(--spacing-lg);
}

.dash-stat-card {
   padding: var(--spacing-lg);
   border-radius: var(--radius-md);
   text-align: center;
   transition: transform 0.15s ease;
}

.dash-stat-card:hover {
   transform: translateY(-2px);
}

.dash-stat-card.teal {
   background: var(--vinny-teal);
   color: white;
}

.dash-stat-card.pink {
   background: var(--vinny-pink);
   color: white;
}

.dash-stat-card.gray {
   background: var(--gray-200);
   color: var(--gray-700);
}

.dash-stat-card.green {
   background: #10b981;
   color: white;
}

.dash-stat-value {
   font-size: 36px;
   font-weight: bold;
   line-height: 1.2;
}

.dash-stat-label {
   font-size: 13px;
   opacity: 0.9;
   margin-top: 6px;
   font-weight: 500;
}

.dashboard-empty-msg {
   color: var(--gray-500);
   text-align: center;
   padding: 32px 0;
}

@media (max-width: 768px) {
   .dashboard-stats-grid {
      grid-template-columns: repeat(2, 1fr);
   }
}

/* ── Chart Section ─────────────────────────────────────────────── */

.chart-section {
   margin-top: var(--spacing-lg);
   display: flex;
   flex-direction: column;
   gap: var(--spacing-lg);
}

.chart-container {
   background: var(--gray-50);
   border-radius: var(--radius-md);
   padding: var(--spacing-lg);
   height: 400px;
   position: relative;
}

.chart-title {
   font-size: 15px;
   font-weight: 600;
   color: var(--gray-700);
   margin-bottom: var(--spacing-md);
}

.chart-empty-msg {
   color: var(--gray-400);
   text-align: center;
   padding: 48px 0;
   font-size: 14px;
}

.preview-section {
   margin-top: var(--spacing-xl);
}

.preview-header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   margin-bottom: var(--spacing-lg);
}

.preview-title {
   font-size: 16px;
   font-weight: 600;
   color: var(--gray-700);
}

.preview-grid {
   display: grid;
   grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
   gap: var(--spacing-lg);
}

.preview-card {
   background: var(--gray-50);
   border-radius: var(--radius-md);
   padding: var(--spacing-md);
}

.preview-card-title {
   font-size: 13px;
   font-weight: 600;
   color: var(--gray-500);
   text-transform: uppercase;
   letter-spacing: 0.5px;
   margin-bottom: var(--spacing-md);
}

.summary-stats {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   gap: var(--spacing-md);
   margin-bottom: var(--spacing-lg);
}

.stat-box {
   padding: var(--spacing-lg);
   border-radius: var(--radius-md);
   text-align: center;
}

.stat-box.teal {
   background: var(--vinny-teal);
   color: white;
}

.stat-box.pink {
   background: var(--vinny-pink);
   color: white;
}

.stat-box.gray {
   background: var(--gray-200);
   color: var(--gray-700);
}

.stat-value {
   font-size: 32px;
   font-weight: bold;
   line-height: 1.2;
}

.stat-label {
   font-size: 12px;
   opacity: 0.9;
   margin-top: 4px;
}

.mini-table {
   width: 100%;
   font-size: 13px;
}

.mini-table th {
   text-align: left;
   font-weight: 600;
   color: var(--gray-500);
   padding: var(--spacing-sm) 0;
   border-bottom: 1px solid var(--gray-200);
}

.mini-table td {
   padding: var(--spacing-sm) 0;
   border-bottom: 1px solid var(--gray-100);
}

.mini-table td:last-child {
   text-align: right;
}

.loading {
   display: flex;
   align-items: center;
   justify-content: center;
   padding: var(--spacing-xl);
   color: var(--gray-500);
}

.spinner {
   width: 24px;
   height: 24px;
   border: 2px solid var(--gray-200);
   border-top-color: var(--vinny-teal);
   border-radius: 50%;
   animation: spin 0.8s linear infinite;
   margin-right: var(--spacing-sm);
}

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

.alert {
   padding: var(--spacing-md);
   border-radius: var(--radius-md);
   margin-bottom: var(--spacing-md);
}

.alert-success {
   background: #d1fae5;
   color: #065f46;
   border: 1px solid #a7f3d0;
}

.alert-error {
   background: #fee2e2;
   color: #991b1b;
   border: 1px solid #fecaca;
}

.alert-info {
   background: #dbeafe;
   color: #1e40af;
   border: 1px solid #bfdbfe;
}

.hidden {
   display: none !important;
}

@media (max-width: 768px) {
   .navbar {
      flex-direction: column;
      gap: var(--spacing-md);
   }

   .navbar-user {
      width: 100%;
      justify-content: space-between;
   }

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

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

   .format-options {
      flex-direction: column;
   }
}

/* ── Tables ───────────────────────────────────────── */

table {
   width: 100%;
   border-collapse: collapse;
   margin-top: var(--spacing-lg);
}

th,
td {
   padding: 12px;
   text-align: left;
   border-bottom: 1px solid var(--gray-200);
}

th {
   background: var(--gray-50);
   font-weight: 600;
}

tr:hover {
   background: var(--gray-50);
}

textarea {
   width: 100%;
   padding: 10px;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-md);
   font-family: monospace;
   font-size: 12px;
}

/* ── Shared Components ────────────────────────────── */

.btn-danger {
   background: var(--error);
   color: white;
}

.btn-danger:hover:not(:disabled) {
   background: #dc2626;
}

.back-link {
   margin-bottom: var(--spacing-lg);
   display: block;
}

.back-link a {
   color: var(--vinny-teal);
   text-decoration: none;
}

.back-link a:hover {
   text-decoration: underline;
}

.bulk-section {
   margin-top: var(--spacing-xl);
}

.help-text {
   font-size: 12px;
   color: var(--gray-500);
   margin-top: var(--spacing-xs);
}

/* Bare form elements within .form-group (used by users page) */

.form-group label {
   display: block;
   margin-bottom: var(--spacing-xs);
   font-weight: 500;
}

.form-group input {
   width: 100%;
   padding: 10px;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-md);
   font-size: 14px;
}

/* ── Category Matrix ────────────────────────────────── */

.matrix-controls {
   display: flex;
   align-items: center;
   gap: var(--spacing-md);
   flex-wrap: wrap;
   margin-bottom: var(--spacing-md);
}

.matrix-group-pills {
   display: flex;
   gap: var(--spacing-xs);
   flex-wrap: wrap;
}

.matrix-pill {
   padding: 5px 14px;
   border: 1px solid var(--gray-300);
   border-radius: 999px;
   background: var(--gray-50);
   color: var(--gray-600);
   font-size: 13px;
   font-weight: 500;
   cursor: pointer;
   transition: all 0.15s ease;
}

.matrix-pill:hover {
   background: var(--gray-200);
}

.matrix-pill.active {
   background: var(--vinny-teal);
   color: #fff;
   border-color: var(--vinny-teal);
}

.matrix-metric-toggle {
   display: flex;
   gap: var(--spacing-xs);
   margin-left: auto;
}

.matrix-metric {
   padding: 5px 12px;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-sm);
   background: var(--gray-50);
   color: var(--gray-600);
   font-size: 12px;
   font-weight: 500;
   cursor: pointer;
   transition: all 0.15s ease;
}

.matrix-metric:hover {
   background: var(--gray-200);
}

.matrix-metric.active {
   background: var(--vinny-teal-dark);
   color: #fff;
   border-color: var(--vinny-teal-dark);
}

.matrix-table-wrapper {
   overflow-x: auto;
   max-width: 100%;
   border: 1px solid var(--gray-200);
   border-radius: var(--radius-md);
}

.matrix-table {
   border-collapse: collapse;
   width: 100%;
   min-width: 700px;
   font-size: 12px;
}

.matrix-table th,
.matrix-table td {
   padding: 6px 10px;
   text-align: center;
   white-space: nowrap;
   border: 1px solid var(--gray-200);
}

.matrix-table th {
   background: var(--gray-100);
   font-weight: 600;
   color: var(--gray-700);
   position: sticky;
   top: 0;
   z-index: 2;
}

/* Two-row header: super-group row */
.matrix-table th.matrix-col-super {
   background: var(--vinny-teal-dark);
   color: #fff;
   font-size: 13px;
   letter-spacing: 0.3px;
}

/* Parent category header */
.matrix-table th.matrix-col-parent {
   background: var(--vinny-teal-light);
   color: #fff;
   font-size: 11px;
   cursor: pointer;
   user-select: none;
   transition: background 0.15s;
}

.matrix-table th.matrix-col-parent:hover {
   background: var(--vinny-teal);
}

/* Child (sub-category) header */
.matrix-table th.matrix-col-child {
   background: var(--gray-50);
   font-size: 10px;
   color: var(--gray-500);
   font-weight: 500;
}

/* Row: OEM parent (make) */
.matrix-row-parent {
   cursor: pointer;
   user-select: none;
   transition: background 0.1s;
}

.matrix-row-parent td:first-child {
   text-align: left;
   font-weight: 600;
   color: var(--gray-800);
   padding-left: 12px;
}

.matrix-row-parent:hover {
   background: var(--gray-50);
}

/* Row: model child */
.matrix-row-child {
   background: var(--gray-50);
}

.matrix-row-child td:first-child {
   text-align: left;
   padding-left: 28px;
   font-weight: 400;
   color: var(--gray-600);
}

.matrix-row-child.hidden {
   display: none;
}

/* Expand/collapse caret */
.matrix-caret {
   display: inline-block;
   width: 14px;
   font-size: 10px;
   color: var(--gray-400);
   margin-right: 4px;
   transition: transform 0.15s;
}

.matrix-caret.open {
   transform: rotate(90deg);
}

/* Heatmap cell colouring */
.matrix-cell {
   font-variant-numeric: tabular-nums;
   min-width: 44px;
}

.matrix-cell-clickable {
   cursor: pointer;
}

.matrix-cell-clickable:hover {
   outline: 2px solid var(--vinny-teal);
   outline-offset: -2px;
}

.matrix-cell-selected {
   outline: 2px solid var(--vinny-teal-dark);
   outline-offset: -2px;
}

.matrix-cell.heat-0 {
   background: #fff;
   color: var(--gray-400);
}
.matrix-cell.heat-1 {
   background: #dcfce7;
   color: var(--gray-700);
}
.matrix-cell.heat-2 {
   background: #bbf7d0;
   color: var(--gray-700);
}
.matrix-cell.heat-3 {
   background: #fef9c3;
   color: var(--gray-700);
}
.matrix-cell.heat-4 {
   background: #fde68a;
   color: var(--gray-800);
}
.matrix-cell.heat-5 {
   background: #fdba74;
   color: var(--gray-800);
}
.matrix-cell.heat-6 {
   background: #fca5a5;
   color: var(--gray-800);
}
.matrix-cell.heat-7 {
   background: #f87171;
   color: #fff;
}

/* "Other" non-display roll-up column */
.matrix-col-other {
   font-style: italic;
   color: var(--gray-500);
}

.matrix-col-other-help {
   text-decoration: underline dotted;
   text-underline-offset: 2px;
}

.matrix-col-other-help:hover {
   background: var(--gray-100);
}

/* Units column */
.matrix-col-units {
   background: var(--gray-100) !important;
   font-weight: 600;
}

/* Totals row */
.matrix-row-total td {
   font-weight: 700;
   background: var(--gray-100);
   border-top: 2px solid var(--gray-300);
}

.matrix-breakdown {
   margin-top: var(--spacing-md);
   border: 1px solid var(--gray-200);
   border-radius: var(--radius-md);
   padding: var(--spacing-md);
   background: var(--gray-50);
}

.matrix-breakdown-header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: var(--spacing-sm);
   margin-bottom: var(--spacing-xs);
}

.matrix-breakdown-title {
   font-size: 14px;
   color: var(--gray-800);
   margin: 0;
}

.matrix-breakdown-subtitle {
   margin: 0 0 var(--spacing-sm);
   color: var(--gray-600);
   font-size: 12px;
}

.matrix-breakdown-clear {
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-sm);
   background: #fff;
   color: var(--gray-700);
   font-size: 12px;
   padding: 4px 8px;
   cursor: pointer;
}

.breakdown-item-clickable {
   cursor: pointer;
   transition: background 0.15s;
}

.breakdown-item-clickable:hover {
   background: var(--gray-100);
}

.breakdown-item-clickable td:first-child::after {
   content: " →";
   color: var(--gray-400);
   font-size: 11px;
}

/* ── Fail Instance Detail Panel ──────────────────────────────────── */

.fail-detail-panel {
   margin-top: var(--spacing-md);
   border: 1px solid var(--vinny-teal);
   border-left: 4px solid var(--vinny-teal);
   border-radius: var(--radius-md);
   padding: var(--spacing-md);
   background: #f0fdfa;
}

.fail-detail-header {
   display: flex;
   align-items: flex-start;
   justify-content: space-between;
   gap: var(--spacing-sm);
   margin-bottom: var(--spacing-sm);
}

.fail-detail-title {
   font-size: 14px;
   font-weight: 600;
   color: var(--gray-800);
   margin: 0;
}

.fail-detail-subtitle {
   margin: 2px 0 0;
   color: var(--gray-600);
   font-size: 12px;
}

.fail-detail-body {
   display: flex;
   flex-direction: column;
   gap: var(--spacing-sm);
}

.fail-instance-card {
   border: 1px solid var(--gray-200);
   border-radius: var(--radius-sm);
   background: #fff;
   overflow: hidden;
}

.fail-instance-header {
   display: flex;
   align-items: center;
   justify-content: space-between;
   gap: var(--spacing-sm);
   padding: 8px 12px;
   background: var(--gray-50);
   border-bottom: 1px solid var(--gray-200);
   cursor: pointer;
   user-select: none;
}

.fail-instance-header:hover {
   background: var(--gray-100);
}

.fail-instance-vin {
   font-family: monospace;
   font-size: 13px;
   font-weight: 600;
   color: var(--gray-800);
}

.fail-instance-stock {
   font-size: 12px;
   color: var(--gray-500);
}

.fail-instance-badge {
   font-size: 11px;
   padding: 2px 6px;
   border-radius: 4px;
   font-weight: 500;
}

.fail-instance-badge.issue {
   background: #fef2f2;
   color: #b91c1c;
}
.fail-instance-badge.boolean {
   background: #fff7ed;
   color: #c2410c;
}
.fail-instance-badge.rvia_item {
   background: #f5f3ff;
   color: #6d28d9;
}

.fail-instance-detail {
   padding: 10px 12px;
   font-size: 13px;
   display: none;
}

.fail-instance-detail.open {
   display: block;
}

.fail-instance-row {
   margin-bottom: 6px;
}

.fail-instance-label {
   font-weight: 600;
   color: var(--gray-600);
   font-size: 11px;
   text-transform: uppercase;
   letter-spacing: 0.02em;
   display: block;
   margin-bottom: 1px;
}

.fail-instance-value {
   color: var(--gray-800);
   line-height: 1.4;
}

.fail-instance-empty {
   color: var(--gray-400);
   font-style: italic;
}

.fail-instance-photos {
   display: flex;
   flex-wrap: wrap;
   gap: 6px;
   margin-top: 6px;
}

.fail-instance-photo {
   width: 64px;
   height: 64px;
   object-fit: cover;
   border-radius: var(--radius-sm);
   border: 1px solid var(--gray-200);
   cursor: pointer;
}

.fail-instance-photo:hover {
   outline: 2px solid var(--vinny-teal);
   outline-offset: -2px;
}

/* Uncategorized items warning panel */
.uncategorized-panel {
   margin-top: var(--spacing-md);
   border: 1px solid #f0c36d;
   border-left: 4px solid #e6a817;
   border-radius: var(--radius-md);
   padding: var(--spacing-md);
   background: #fffbf0;
}

.uncategorized-header {
   display: flex;
   align-items: center;
   gap: var(--spacing-sm);
   margin-bottom: var(--spacing-xs);
}

.uncategorized-title {
   font-size: 14px;
   color: #92650a;
   margin: 0;
}

.uncategorized-count {
   font-size: 12px;
   color: #b07d10;
   font-weight: 500;
}

.uncategorized-subtitle {
   margin: 0 0 var(--spacing-sm);
   color: #92650a;
   font-size: 12px;
}

/* Responsive: stack controls on narrow screens */
@media (max-width: 640px) {
   .matrix-controls {
      flex-direction: column;
      align-items: flex-start;
   }

   .matrix-metric-toggle {
      margin-left: 0;
   }
}

/* ── Trendline Controls ─────────────────────────────────────────── */
.trendline-controls {
   display: flex;
   align-items: center;
   gap: var(--spacing-md);
   flex-wrap: wrap;
   margin-bottom: var(--spacing-sm);
}

.trendline-source-toggle,
.trendline-mode-toggle {
   display: flex;
   gap: var(--spacing-xs);
}

.trendline-mode-toggle {
   margin-left: auto;
}

@media (max-width: 640px) {
   .trendline-controls {
      flex-direction: column;
      align-items: flex-start;
   }

   .trendline-mode-toggle {
      margin-left: 0;
   }
}

/* ── Persistent Issues Panel ────────────────────────────────────── */
.persistent-issues-panel {
   background: var(--gray-50);
   border-radius: var(--radius-md);
   padding: var(--spacing-lg);
   margin-top: var(--spacing-lg);
}

.persistent-issues-header {
   display: flex;
   align-items: flex-start;
   justify-content: space-between;
   gap: var(--spacing-md);
   margin-bottom: var(--spacing-md);
}

.persistent-issues-hint {
   margin: 0;
   color: var(--gray-500);
   font-size: 12px;
}

.persistent-issues-window {
   display: flex;
   align-items: center;
   gap: var(--spacing-xs);
   white-space: nowrap;
}

.persistent-issues-window label {
   font-size: 12px;
   color: var(--gray-500);
   font-weight: 500;
}

.persistent-issues-window select {
   font-size: 12px;
   padding: 3px 8px;
   border: 1px solid var(--gray-300);
   border-radius: var(--radius-sm);
   background: white;
   color: var(--gray-700);
   cursor: pointer;
}

.weeks-badge {
   display: inline-block;
   padding: 2px 8px;
   border-radius: 4px;
   background: var(--gray-100);
   font-weight: 500;
   font-size: 0.85em;
}

.weeks-full {
   background: #fef3c7;
   color: #92400e;
   font-weight: 600;
}

.trend-up {
   color: #ef4444;
   font-weight: 600;
}

.trend-down {
   color: #10b981;
   font-weight: 600;
}

.trend-stable {
   color: #6b7280;
}

.persistent-issues-note {
   margin: var(--spacing-md) 0 0;
   font-size: 11px;
   font-style: italic;
   color: var(--gray-400);
}