:root {
      --iq-graphite: #0f172a;
      --iq-teal: #14b8a6;
      --iq-silver: #e5e7eb;
      --iq-slate-blue: #334155;
      --iq-steel-blue: #475569;
      --iq-mist: #f1f5f9;
      --iq-deep-teal: #0f766e;
      --iq-sand: #d6c7a1;
      --iq-copper: #b45309;
      --iq-plum-ink: #5b3a67;
      --iq-viz-1: #14b8a6;
      --iq-viz-2: #334155;
      --iq-viz-3: #5b3a67;
      --iq-viz-4: #b45309;
      --iq-viz-5: #475569;
      --iq-viz-6: #0f766e;
      --iq-viz-7: #d6c7a1;
      --iq-viz-8: #3b82f6;
      --iq-success: #14b8a6;
      --iq-warning: #f59e0b;
      --iq-error: #ef4444;
      --iq-info: #3b82f6;
      --iq-disabled: #9ca3af;

      --bg: var(--iq-silver);
      --card: #ffffff;
      --text: var(--iq-graphite);
      --muted: #4b5563;
      --border: #d1d5db;
      --nav: var(--iq-graphite);
      --navText: #f9fafb;
      --focus: rgba(20, 184, 166, 0.28);
      --shadow-soft: 0 1px 2px rgba(15, 23, 42, 0.06);
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
      color: var(--text);
      background: var(--bg);
      font-size: 15px;
      line-height: 1.45;
    }

    body.density-compact {
      font-size: 14px;
      line-height: 1.35;
    }

    .container {
      max-width: 1150px;
      margin: 0 auto;
      padding: 24px;
    }

    body.density-compact .container {
      padding: 16px;
    }

    .brand-header {
      background: #fff;
      border-bottom: 1px solid var(--iq-silver);
    }

    .brand-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      padding-top: 12px;
      padding-bottom: 12px;
    }

    .brand-lockup {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--iq-graphite);
      text-decoration: none;
    }

    .brand-lockup > img {
      height: 34px;
      width: auto;
      display: block;
    }

    .brand-wordmark {
      font-size: 24px;
      line-height: 1;
      letter-spacing: -0.01em;
    }

    .brand-wordmark .in {
      font-weight: 400;
    }

    .brand-wordmark .quant {
      font-weight: 600;
    }

    .brand-meta {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-left: auto;
    }

    .brand-meta .subtle {
      color: #334155;
      font-weight: 500;
    }

    .tenant-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 999px;
      border: 1px solid #cbd5e1;
      background: #f8fafc;
      color: #0f172a;
      font-size: 12px;
      font-weight: 600;
      white-space: nowrap;
    }

    .header-auth-btn {
      padding: 6px 10px;
      border-radius: 6px;
      border: 1px solid #cbd5e1;
      background: #ffffff;
      color: #0f172a;
      font-weight: 600;
      text-decoration: none;
      line-height: 1.2;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .header-auth-btn:hover {
      background: #f8fafc;
      text-decoration: none;
    }

    .header-logout-form {
      margin: 0;
    }

    .navbar {
      background-color: var(--nav);
      padding: 6px 0;
    }

    .navbar.is-hidden {
      display: none;
    }

    .navbar .container {
      display: flex;
      gap: 14px;
      align-items: center;
      justify-content: space-between;
      padding-top: 0;
      padding-bottom: 0;
      flex-wrap: wrap;
    }

    .nav-links {
      display: grid;
      gap: 6px;
      flex: 1;
      min-width: 0;
    }

    .nav-top-row {
      display: flex;
      gap: 6px;
      align-items: center;
      flex-wrap: wrap;
    }

    .nav-top-link,
    .nav-top-button {
      border: 1px solid #334155;
      background: rgba(15, 23, 42, 0.42);
      color: var(--navText);
      font-size: 13px;
      font-weight: 600;
      border-radius: 7px;
      padding: 4px 10px;
      line-height: 1.25;
      text-decoration: none;
      cursor: pointer;
    }

    .nav-top-link:hover,
    .nav-top-button:hover {
      background: rgba(255, 255, 255, 0.14);
    }

    .nav-top-link.is-active-section,
    .nav-top-button.is-active-section {
      border-color: var(--iq-teal);
      background: rgba(20, 184, 166, 0.20);
    }

    .nav-sub-row {
      display: none;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
      padding-top: 2px;
      border-top: 1px solid #334155;
    }

    .nav-sub-row.has-active {
      display: flex;
    }

    .nav-sub-links {
      display: none;
      align-items: center;
      gap: 6px;
      flex-wrap: wrap;
    }

    .nav-sub-links.is-active-subnav {
      display: flex;
    }

    .nav-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-left: auto;
    }

    .nav-toggle {
      display: none;
      border: 1px solid #334155;
      background: #1e293b;
      color: #f9fafb;
      border-radius: 5px;
      padding: 6px 10px;
      font-size: 13px;
      cursor: pointer;
    }

    .navbar a {
      color: var(--navText);
      text-decoration: none;
      font-weight: 500;
      opacity: 0.95;
    }

    .nav-link {
      padding: 3px 8px;
      border-radius: 6px;
      transition: background 0.14s ease, opacity 0.14s ease;
      border: 1px solid #334155;
      background: #1e293b;
      font-size: 12px;
    }

    .navbar a:hover {
      text-decoration: none;
      background: rgba(255, 255, 255, 0.12);
      opacity: 1;
    }

    .navbar a.is-active {
      text-decoration: none;
      opacity: 1;
      background: rgba(20, 184, 166, 0.22);
      outline: 1px solid rgba(20, 184, 166, 0.75);
    }

    .nav-breadcrumb {
      background: #111827;
      border-top: 1px solid #1f2937;
      border-bottom: 1px solid #1f2937;
    }

    .nav-breadcrumb .container {
      padding-top: 8px;
      padding-bottom: 8px;
    }

    .breadcrumb-list {
      margin: 0;
      padding: 0;
      list-style: none;
      display: flex;
      gap: 6px;
      align-items: center;
      flex-wrap: wrap;
      color: #cbd5e1;
      font-size: 13px;
    }

    .breadcrumb-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .breadcrumb-item + .breadcrumb-item::before {
      content: "/";
      color: #64748b;
      margin-right: 2px;
    }

    .breadcrumb-link {
      color: #e2e8f0;
      text-decoration: none;
    }

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

    .breadcrumb-current {
      color: #ffffff;
      font-weight: 600;
    }

    .card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 8px;
      box-shadow: var(--shadow-soft);
      padding: 18px;
    }

    body.density-compact .card {
      padding: 12px;
      border-radius: 7px;
    }

    h1, h2, h3 {
      margin: 0 0 12px;
      letter-spacing: -0.02em;
      color: var(--iq-graphite);
    }

    h1 { font-size: 32px; font-weight: 600; line-height: 1.15; }
    h2 { font-size: 24px; font-weight: 600; line-height: 1.2; }
    h3 { font-size: 18px; font-weight: 600; line-height: 1.3; }

    .subtle, .muted { color: var(--muted); }
    .subtle { font-size: 13px; line-height: 1.35; }

    th.col-resize-ready {
      position: relative;
    }

    .col-resize-handle {
      position: absolute;
      top: 0;
      right: -4px;
      width: 8px;
      height: 100%;
      cursor: col-resize;
      user-select: none;
      touch-action: none;
      z-index: 3;
      background: transparent;
      border: 0;
      padding: 0;
    }

    .col-resize-handle::after {
      content: "";
      position: absolute;
      top: 15%;
      bottom: 15%;
      left: 50%;
      width: 1px;
      transform: translateX(-50%);
      background: rgba(15, 23, 42, 0.16);
    }

    th.col-resize-ready:hover .col-resize-handle::after,
    th.col-resize-ready.is-resizing .col-resize-handle::after {
      background: rgba(15, 23, 42, 0.5);
    }

    input, textarea, select,
    .search-select input[type="text"],
    .ts-control {
      width: 100%;
      padding: 8px 10px;
      border: 1px solid var(--border);
      border-radius: 6px;
      background: #fff;
      outline: none;
      font: inherit;
      min-height: 39px;
      box-sizing: border-box;
    }

    body.density-compact input,
    body.density-compact textarea,
    body.density-compact select,
    body.density-compact .search-select input[type="text"],
    body.density-compact .ts-control {
      padding: 6px 8px;
      border-radius: 5px;
      min-height: 33px;
    }

    input:focus, textarea:focus, select:focus {
      box-shadow: 0 0 0 4px var(--focus);
      border-color: rgba(20, 184, 166, 0.7);
    }

    input[type="checkbox"] {
      appearance: none;
      -webkit-appearance: none;
      width: 18px;
      height: 18px;
      padding: 0;
      margin: 0;
      border: 1.5px solid var(--iq-slate-blue);
      border-radius: 5px;
      background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
      display: inline-grid;
      place-content: center;
      vertical-align: middle;
      cursor: pointer;
      transition: border-color 0.14s ease, box-shadow 0.14s ease, background-color 0.14s ease, transform 0.08s ease;
    }

    input[type="checkbox"]::before {
      content: "";
      width: 11px;
      height: 11px;
      transform: scale(0);
      transition: transform 0.12s ease;
      background: #ffffff;
      clip-path: polygon(14% 52%, 0 66%, 43% 100%, 100% 18%, 84% 3%, 39% 70%);
    }

    input[type="checkbox"]:active:not(:disabled) {
      transform: scale(0.96);
    }

    input[type="checkbox"]:checked {
      border-color: var(--iq-deep-teal);
      background: linear-gradient(180deg, var(--iq-teal) 0%, var(--iq-deep-teal) 100%);
      box-shadow: 0 0 0 1px rgba(20, 184, 166, 0.18);
    }

    input[type="checkbox"]:checked::before {
      transform: scale(1);
    }

    input[type="checkbox"]:focus {
      box-shadow: none;
    }

    input[type="checkbox"]:focus-visible {
      box-shadow: 0 0 0 4px var(--focus);
      border-color: var(--iq-deep-teal);
    }

    input[type="checkbox"]:disabled {
      cursor: not-allowed;
      border-color: #cbd5e1;
      background: #f1f5f9;
      opacity: 0.72;
    }

    input[type="checkbox"]:disabled:checked {
      background: #94a3b8;
      border-color: #94a3b8;
    }

    .field-invalid {
      border-color: rgba(239, 68, 68, 0.9) !important;
      box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
    }

    .field-inline-error {
      margin-top: 6px;
      color: #b91c1c;
      font-size: 12px;
      line-height: 1.3;
      font-weight: 500;
    }

    button {
      padding: 9px 14px;
      border: 1px solid transparent;
      border-radius: 6px;
      background: var(--iq-teal);
      font-family: inherit;
      color: #ffffff;
      font-weight: 600;
      font-size: 11px;
      cursor: pointer;
    }

    input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]):not([type="submit"]):not([type="button"]):not([type="reset"]) + button,
    textarea + button,
    select + button {
      margin-top: 10px;
    }

    body.density-compact button {
      padding: 7px 10px;
      border-radius: 5px;
    }

    button:hover { filter: brightness(0.96); }

    .btn-secondary {
      background: #f8fafc;
      color: #0f172a;
      border-color: #cbd5e1;
    }

    .btn-danger {
      background: var(--iq-error);
      color: #fff;
    }

    .btn-ghost {
      background: transparent;
      color: var(--text);
      border-color: var(--border);
    }

    .navbar .btn-ghost {
      color: #e2e8f0;
      border-color: #475569;
    }

    .navbar .btn-ghost:hover {
      background: #1e293b;
    }

    .density-toggle {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }

    .density-toggle .density-icon {
      width: 14px;
      height: 14px;
      display: inline-block;
      vertical-align: middle;
    }

    .btn-link {
      display: inline-block;
      padding: 8px 12px;
      border-radius: 6px;
      border: 1px solid var(--border);
      background: #fff;
      color: var(--text);
      text-decoration: none;
      font-weight: 500;
    }

    body.density-compact .btn-link {
      padding: 6px 9px;
      border-radius: 5px;
      font-size: 13px;
    }

    .btn-link:hover { background: #f9fafb; }

    .btn-anchor {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 7px 10px;
      border-radius: 5px;
      border: 1px solid transparent;
      background: var(--iq-teal);
      color: #ffffff;
      text-decoration: none;
      font: inherit;
      font-weight: 600;
      font-size: 11px;
      line-height: 1.1;
    }

    .btn-anchor:hover { filter: brightness(0.96); }

    body.density-compact .btn-anchor {
      padding: 6px 9px;
      border-radius: 5px;
    }

    .row {
      display: grid;
      gap: 16px;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }

    body.density-compact .row {
      gap: 10px;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }

    .actions a {
      margin-right: 8px;
      text-decoration: none;
      font-weight: 700;
    }

    .actions a:hover { text-decoration: underline; }

    .pill {
      display: inline-block;
      padding: 2px 10px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: rgba(0,0,0,0.02);
    }

    .stack {
      display: flex;
      gap: 10px;
      align-items: center;
      flex-wrap: wrap;
    }

    body.density-compact .stack {
      gap: 7px;
    }

    .right { margin-left: auto; }

    .search-select {
      position: relative;
      color-scheme: light;
    }

    .search-select input[type="text"] {
      color: #0f172a !important;
      background-color: #ffffff !important;
      -webkit-text-fill-color: #0f172a !important;
      caret-color: #0f172a;
      opacity: 1 !important;
      appearance: none;
      -webkit-appearance: none;
      border-color: var(--border) !important;
    }

    .search-select__input {
      color: #0f172a !important;
      background-color: #ffffff !important;
      -webkit-text-fill-color: #0f172a !important;
      caret-color: #0f172a !important;
      opacity: 1 !important;
      border-color: var(--border) !important;
    }

    body.safari-dark-dropdown .search-select input[type="text"],
    body.safari-dark-dropdown .search-select input[type="text"]:focus,
    body.safari-dark-dropdown .search-select input[type="text"]:hover,
    body.safari-dark-dropdown .search-select__input {
      color: #f8fafc !important;
      background-color: #0f172a !important;
      -webkit-text-fill-color: #f8fafc !important;
      caret-color: #f8fafc !important;
      border-color: var(--border) !important;
      box-shadow: none !important;
    }

    body.safari-dark-dropdown .search-select input[type="text"]::placeholder {
      color: #94a3b8;
    }

    body.safari-dark-dropdown .search-select input[type="text"]:-webkit-autofill,
    body.safari-dark-dropdown .search-select input[type="text"]:-webkit-autofill:focus,
    body.safari-dark-dropdown .search-select input[type="text"]:-webkit-autofill:hover,
    body.safari-dark-dropdown .search-select input[type="text"]:-webkit-autofill:active {
      -webkit-text-fill-color: #f8fafc !important;
      color: #f8fafc !important;
      box-shadow: 0 0 0px 1000px #0f172a inset !important;
      caret-color: #f8fafc !important;
    }

    .search-select input[type="text"]::placeholder {
      color: var(--muted);
      opacity: 1;
    }

    .search-select input[type="text"]:focus,
    .search-select input[type="text"]:focus-visible,
    .search-select input[type="text"]:hover {
      color: #0f172a !important;
      -webkit-text-fill-color: #0f172a !important;
      background-color: #ffffff !important;
    }

    .search-select input[type="text"]:-webkit-autofill,
    .search-select input[type="text"]:-webkit-autofill:focus,
    .search-select input[type="text"]:-webkit-autofill:hover,
    .search-select input[type="text"]:-webkit-autofill:active {
      -webkit-text-fill-color: #0f172a !important;
      color: #0f172a !important;
      box-shadow: 0 0 0px 1000px #fff inset !important;
      caret-color: var(--text);
    }

    .search-select input[list]::-webkit-calendar-picker-indicator {
      display: none !important;
    }

    .pagination {
      display: flex;
      gap: 8px;
      align-items: center;
      flex-wrap: wrap;
      margin-top: 12px;
    }

    body.density-compact .pagination {
      gap: 6px;
      margin-top: 8px;
    }

    .filters-grid {
      display: grid;
      gap: 10px;
      grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
      align-items: end;
    }

    body.density-compact .filters-grid {
      gap: 8px;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

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

    .page-stack {
      display: grid;
      gap: 12px;
    }

    .page-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      flex-wrap: wrap;
    }

    .page-title {
      margin: 0;
    }

    .section-title {
      margin: 0 0 8px;
    }

    .alert {
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 10px 12px;
      font-weight: 500;
    }

    .alert-success {
      border-color: var(--iq-success);
      background: rgba(20, 184, 166, 0.12);
      color: var(--iq-graphite);
    }

    .alert-error {
      border-color: var(--iq-error);
      background: rgba(239, 68, 68, 0.10);
      color: var(--iq-graphite);
    }

    .alert-warning {
      border-color: var(--iq-warning);
      background: rgba(245, 158, 11, 0.12);
      color: var(--iq-graphite);
    }

    .empty-state {
      color: var(--muted);
      text-align: left;
      padding: 12px 6px;
    }

    .row-action-panel {
      display: grid;
      gap: 8px;
      min-width: 220px;
    }

    .row-action-primary {
      display: grid;
      gap: 6px;
    }

    .row-action-group {
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 8px;
      background: #fafafa;
    }

    .row-action-group summary {
      cursor: pointer;
      font-weight: 600;
      color: var(--text);
    }

    .row-action-group form {
      margin-top: 8px;
      display: grid;
      gap: 6px;
    }

    .columns-picker {
      position: relative;
      display: inline-flex;
      align-items: center;
    }

    .columns-picker__overlay {
      position: fixed;
      inset: 0;
      background: rgba(15, 23, 42, 0.45);
      z-index: 140;
    }

    .columns-picker__panel {
      position: fixed;
      top: 0;
      right: 0;
      width: min(420px, 100vw);
      height: 100dvh;
      background: var(--card);
      border-left: 1px solid var(--border);
      box-shadow: -12px 0 28px rgba(15, 23, 42, 0.2);
      padding: 16px;
      z-index: 150;
      overflow: auto;
    }

    .columns-picker__header {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      align-items: start;
    }

    .columns-picker__toolbar {
      display: grid;
      gap: 8px;
      grid-template-columns: 1fr auto auto;
      margin-top: 10px;
    }

    .columns-picker__list {
      margin-top: 10px;
      border: 1px solid var(--border);
      border-radius: 8px;
      padding: 8px;
      display: grid;
      gap: 6px;
      max-height: 50dvh;
      overflow: auto;
      background: #fff;
    }

    .columns-picker__item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 4px;
      border-radius: 6px;
    }

    .columns-picker__item:hover {
      background: #f8fafc;
    }

    .table-columns-toolbar {
      display: flex;
      justify-content: flex-end;
      margin: 0 0 8px;
    }

    .table-columns-control {
      position: relative;
      display: inline-flex;
      align-items: center;
    }

    .table-columns-menu {
      position: absolute;
      top: calc(100% + 6px);
      right: 0;
      min-width: 240px;
      max-width: min(360px, 90vw);
      max-height: 52vh;
      overflow: auto;
      padding: 10px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--card);
      box-shadow: 0 8px 24px rgba(15, 23, 42, 0.16);
      z-index: 130;
    }

    .table-columns-menu__list {
      display: grid;
      gap: 6px;
    }

    .table-columns-menu__item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 4px 2px;
      border-radius: 6px;
    }

    .table-columns-menu__item input[type="checkbox"] {
      width: 18px;
      height: 18px;
      flex: 0 0 auto;
      margin: 0;
    }

    .table-columns-menu__item:hover {
      background: #f8fafc;
    }

    @media (max-width: 900px) {
      .nav-toggle { display: inline-block; }
      .nav-links {
        width: 100%;
        display: none;
        grid-template-columns: 1fr;
        align-items: stretch;
        gap: 8px;
        margin-top: 8px;
      }
      .nav-links.open { display: grid; }
      .nav-top-row {
        width: 100%;
        display: grid;
        gap: 6px;
      }
      .nav-top-link,
      .nav-top-button {
        width: 100%;
        text-align: left;
      }
      .nav-sub-row {
        width: 100%;
        border-top: 0;
        padding-top: 0;
      }
      .nav-sub-links {
        width: 100%;
        display: grid;
        gap: 8px;
      }
      .nav-link {
        padding: 8px 10px;
      }
      .nav-meta {
        width: 100%;
        justify-content: space-between;
        margin-left: 0;
      }
      .brand-meta {
        width: 100%;
        margin-left: 0;
        justify-content: flex-start;
      }
      .nav-breadcrumb .container {
        padding-top: 6px;
        padding-bottom: 6px;
      }
      .breadcrumb-list {
        font-size: 12px;
        gap: 5px;
      }

      table.table-responsive-cards {
        border: none;
      }
      table.table-responsive-cards thead {
        display: none;
      }
      table.table-responsive-cards tbody {
        display: grid;
        gap: 10px;
      }
      table.table-responsive-cards tr {
        display: grid;
        border: 1px solid var(--border);
        border-radius: 8px;
        background: var(--card);
        padding: 8px;
      }
      table.table-responsive-cards td {
        display: grid;
        grid-template-columns: minmax(92px, 40%) 1fr;
        align-items: start;
        gap: 8px;
        border-bottom: 1px dashed #e5e7eb;
        padding: 8px 6px;
      }
      table.table-responsive-cards td:last-child {
        border-bottom: none;
      }
      table.table-responsive-cards td::before {
        content: attr(data-label);
        font-weight: 600;
        color: #475569;
      }

      .table-sticky thead th {
        position: static;
      }

      .col-resize-handle {
        display: none;
      }

      .columns-picker__panel {
        width: 100vw;
        border-left: none;
        border-top: 1px solid var(--border);
      }

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