:root {
      --bg: #0f1117;
      --surface: #1a1d27;
      --surface2: #242736;
      --border: #2e3147;
      --accent-blue: #4f8ef7;
      --accent-green: #34d399;
      --accent-amber: #fbbf24;
      --accent-red: #f87171;
      --accent-purple: #a78bfa;
      --text: #e2e8f0;
      --text-muted: #64748b;
      --text-dim: #94a3b8;
      --radius: 10px;
      --font: 'Inter', system-ui, sans-serif;
    }

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

    body {
      background: var(--bg);
      color: var(--text);
      font-family: var(--font);
      font-size: 14px;
      min-height: 100vh;
    }

    /* ── Layout ── */
    .app {
      display: grid;
      grid-template-rows: 56px 1fr;
      min-height: 100vh;
    }

    header {
      background: var(--surface);
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 24px;
      gap: 16px;
    }

    header .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-weight: 600;
      font-size: 15px;
    }

    header .logo svg {
      color: var(--accent-blue);
    }

    .header-controls {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    main {
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 20px;
      max-width: 1400px;
      margin: 0 auto;
      width: 100%;
    }

    /* ── Controls bar ── */
    .controls {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 14px 18px;
    }

    label {
      font-size: 12px;
      color: var(--text-muted);
      margin-right: 4px;
    }

    input,
    select {
      background: var(--surface2);
      border: 1px solid var(--border);
      color: var(--text);
      border-radius: 6px;
      padding: 6px 10px;
      font-size: 13px;
      outline: none;
    }

    input:focus,
    select:focus {
      border-color: var(--accent-blue);
    }

    input[type="text"] {
      width: 280px;
    }

    button {
      background: var(--accent-blue);
      color: #fff;
      border: none;
      border-radius: 6px;
      padding: 7px 16px;
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: opacity .15s;
    }

    button:hover {
      opacity: .85;
    }

    button.secondary {
      background: var(--surface2);
      color: var(--text);
      border: 1px solid var(--border);
    }

    button.secondary:hover {
      border-color: var(--accent-blue);
      color: var(--accent-blue);
    }

    /* ── KPI cards ── */
    .kpis {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 14px;
    }

    .kpi {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 18px 20px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .kpi-label {
      font-size: 11px;
      text-transform: uppercase;
      letter-spacing: .06em;
      color: var(--text-muted);
    }

    .kpi-value {
      font-size: 26px;
      font-weight: 700;
      line-height: 1;
    }

    .kpi-sub {
      font-size: 12px;
      color: var(--text-dim);
    }

    .kpi.blue .kpi-value {
      color: var(--accent-blue);
    }

    .kpi.green .kpi-value {
      color: var(--accent-green);
    }

    .kpi.amber .kpi-value {
      color: var(--accent-amber);
    }

    .kpi.purple .kpi-value {
      color: var(--accent-purple);
    }

    .kpi.teal .kpi-value {
      color: #2dd4bf;
    }

    .other-overview {
      display: grid;
      grid-template-columns: repeat(3, minmax(180px, 1fr));
      gap: 14px;
      padding: 14px 18px 0;
    }

    @media (max-width: 900px) {
      .other-overview {
        grid-template-columns: 1fr;
      }
    }

    /* ── Charts row ── */
    .charts {
      display: grid;
      grid-template-columns: 1fr 1fr 340px;
      gap: 14px;
    }

    @media (max-width: 1100px) {
      .charts {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 700px) {
      .charts {
        grid-template-columns: 1fr;
      }
    }

    .card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 18px 20px;
    }

    .card-title {
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: .06em;
      color: var(--text-muted);
      margin-bottom: 14px;
    }

    .chart-wrap {
      position: relative;
      height: 220px;
    }

    /* ── Table ── */
    .table-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
    }

    .table-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
    }

    .table-header h3 {
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: .06em;
      color: var(--text-muted);
    }

    .table-wrap {
      overflow-x: auto;
    }

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

    th {
      padding: 10px 14px;
      text-align: left;
      font-size: 11px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: .05em;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border);
      white-space: nowrap;
    }

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

    th.sortable:hover {
      color: var(--text-dim);
    }

    th.sort-active {
      color: var(--accent-blue);
    }

    td {
      padding: 10px 14px;
      border-bottom: 1px solid var(--border);
      color: var(--text-dim);
    }

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

    tr:hover td {
      background: var(--surface2);
    }

    .badge {
      display: inline-block;
      padding: 2px 8px;
      border-radius: 99px;
      font-size: 11px;
      font-weight: 600;
    }

    .badge.regular {
      background: rgba(79, 142, 247, .15);
      color: var(--accent-blue);
    }

    .badge.spot {
      background: rgba(251, 191, 36, .15);
      color: var(--accent-amber);
    }

    .cost {
      font-weight: 600;
      color: var(--text);
    }

    .repo-link {
      color: var(--accent-blue);
      text-decoration: none;
      font-weight: 500;
    }

    .repo-link:hover {
      text-decoration: underline;
    }

    /* ── Custom property tags ── */
    .prop-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 4px;
      margin-top: 5px;
    }

    .prop-tag {
      display: inline-block;
      padding: 1px 6px;
      border-radius: 4px;
      font-size: 10px;
      background: rgba(148, 163, 184, .1);
      color: var(--text-muted);
      border: 1px solid var(--border);
      white-space: nowrap;
    }

    .prop-tag .prop-key {
      color: var(--text-dim);
      font-weight: 600;
    }

    /* ── State ── */
    .loading {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 60px;
      color: var(--text-muted);
      gap: 10px;
    }

    .spinner {
      width: 18px;
      height: 18px;
      border: 2px solid var(--border);
      border-top-color: var(--accent-blue);
      border-radius: 50%;
      animation: spin .7s linear infinite;
    }

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

    .error-banner {
      background: rgba(248, 113, 113, .1);
      border: 1px solid rgba(248, 113, 113, .3);
      color: var(--accent-red);
      border-radius: 8px;
      padding: 12px 16px;
      font-size: 13px;
    }

    .empty {
      color: var(--text-muted);
      text-align: center;
      padding: 40px;
    }

    /* ── Config modal ── */
    .overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, .6);
      z-index: 100;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .modal {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 28px;
      width: 440px;
      max-width: 95vw;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .modal h2 {
      font-size: 16px;
      font-weight: 600;
    }

    .field {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .field label {
      font-size: 12px;
      color: var(--text-muted);
    }

    .field input {
      width: 100%;
    }

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

    .hidden {
      display: none !important;
    }

    /* ── Date filter banner ── */
    .date-filter-bar {
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(79, 142, 247, .1);
      border: 1px solid rgba(79, 142, 247, .3);
      border-radius: var(--radius);
      padding: 10px 18px;
      font-size: 13px;
    }

    .date-filter-bar .dfb-label {
      color: var(--accent-blue);
      font-weight: 500;
      flex: 1;
    }

    .date-filter-bar .dfb-hint {
      color: var(--text-muted);
      font-size: 11px;
    }

    /* ── Chart drag-selection overlay ── */
    .chart-selection-overlay {
      position: absolute;
      top: 0;
      bottom: 0;
      pointer-events: none;
      background: rgba(79, 142, 247, .15);
      border-left: 1px solid rgba(79, 142, 247, .8);
      border-right: 1px solid rgba(79, 142, 247, .8);
      display: none;
      z-index: 1;
    }

    canvas.selectable {
      cursor: crosshair;
    }

    /* ── OIDC config section ── */
    .oidc-section {
      display: flex;
      flex-direction: column;
      gap: 12px;
      border-top: 1px solid var(--border);
      padding-top: 14px;
    }

    .oidc-toggle {
      display: flex;
      align-items: center;
      gap: 8px;
      cursor: pointer;
      font-size: 12px;
      color: var(--text-muted);
      user-select: none;
    }

    .oidc-toggle input[type=checkbox] {
      accent-color: var(--accent-blue);
      width: 14px;
      height: 14px;
      cursor: pointer;
    }

    #oidcUser {
      font-size: 12px;
      color: var(--text-muted);
      padding: 0 4px;
      align-self: center;
    }

    /* ── Month picker ── */
    .month-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .month-nav button {
      padding: 5px 10px;
      font-size: 12px;
    }

    #monthLabel {
      font-size: 14px;
      font-weight: 600;
      min-width: 90px;
      text-align: center;
    }

    /* ── Filter bar ── */
    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      align-items: center;
      padding: 10px 18px;
      border-bottom: 1px solid var(--border);
      background: var(--surface2);
    }

    .filter-bar input[type="text"] {
      width: 200px;
      font-size: 12px;
      padding: 5px 9px;
    }

    .filter-bar select {
      font-size: 12px;
      padding: 5px 9px;
    }

    .filter-chips {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
      flex: 1;
    }

    .filter-chip {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 2px 8px;
      border-radius: 99px;
      font-size: 11px;
      font-weight: 600;
      background: rgba(79, 142, 247, .15);
      color: var(--accent-blue);
      border: 1px solid rgba(79, 142, 247, .3);
      cursor: default;
    }

    .filter-chip .chip-remove {
      cursor: pointer;
      opacity: .7;
      font-size: 12px;
      line-height: 1;
    }

    .filter-chip .chip-remove:hover {
      opacity: 1;
    }

    .filter-count {
      font-size: 11px;
      color: var(--text-muted);
      margin-left: auto;
      white-space: nowrap;
    }

    .kpi-filtered-label {
      font-size: 10px;
      color: var(--accent-amber);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: .05em;
      margin-top: 2px;
    }

    /* ── Tab bar ── */
    .tab-bar-inner {
      display: flex;
      gap: 2px;
      padding: 14px 18px 0;
      border-bottom: 1px solid var(--border);
    }

    .tab-btn {
      padding: 7px 18px;
      border-radius: 6px 6px 0 0;
      background: transparent;
      color: var(--text-muted);
      border: 1px solid transparent;
      border-bottom: none;
      font-size: 13px;
      font-weight: 600;
      cursor: pointer;
      transition: color .15s, background .15s;
      margin-bottom: -1px;
    }

    .tab-btn.active {
      background: var(--surface);
      color: var(--text);
      border-color: var(--border);
      border-bottom-color: var(--surface);
    }

    .tab-btn:hover:not(.active) {
      color: var(--text);
    }

    .tab-badge {
      display: inline-block;
      background: rgba(251, 191, 36, .2);
      color: var(--accent-amber);
      border-radius: 99px;
      padding: 0 6px;
      font-size: 11px;
      font-weight: 700;
      margin-left: 6px;
    }