:root {
      --bg: #f4f7fb;
      --card: #ffffff;
      --text: #1f2937;
      --muted: #6b7280;
      --border: #d1d5db;
      --accent: #1e90ff;
      --accent-dark: #1a73cc;
      --danger: #c62828;
      --ok: #0f9d58;
    }

    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
    }

    html {
      scroll-behavior: smooth;
    }

    .app-shell {
      display: grid;
      grid-template-columns: 220px minmax(0, 1fr);
      gap: 24px;
      max-width: 1280px;
      margin: 0 auto;
      padding: 32px 16px;
    }

    .side-nav {
      position: sticky;
      top: 24px;
      align-self: start;
      display: grid;
      gap: 8px;
      border: 1px solid var(--border);
      border-radius: 18px;
      background: var(--card);
      box-shadow: 0 8px 24px rgba(0,0,0,0.05);
      padding: 14px;
    }

    .side-nav-title {
      color: var(--muted);
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0;
      padding: 4px 8px 8px;
      text-transform: uppercase;
    }

    .side-nav a {
      border-radius: 10px;
      color: var(--text);
      font-weight: 700;
      padding: 10px 12px;
      text-decoration: none;
    }

    .side-nav a:hover,
    .side-nav a:focus {
      background: #eef6ff;
      color: var(--accent-dark);
      outline: none;
    }

    .container {
      max-width: 1000px;
      width: 100%;
      margin: 0 auto;
      padding: 0 0 32px;
    }

    .card {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 20px;
      box-shadow: 0 8px 24px rgba(0,0,0,0.05);
      margin-bottom: 18px;
      scroll-margin-top: 24px;
    }

    h1, h2, h3 { margin: 0 0 14px; }
    p { margin: 0 0 12px; color: var(--muted); }

    .grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 14px;
    }

    .grid-1 { display: grid; gap: 14px; }

    @media (max-width: 800px) {
      .grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 900px) {
      .app-shell {
        grid-template-columns: 1fr;
        gap: 16px;
        padding-top: 16px;
      }

      .side-nav {
        position: static;
        grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
      }

      .side-nav-title {
        grid-column: 1 / -1;
      }
    }

    label {
      display: block;
      font-weight: 600;
      margin-bottom: 6px;
    }

    .checkbox-label {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-height: 48px;
      margin-bottom: 0;
    }

    input, select, textarea, button {
      font: inherit;
    }

    input, select, textarea {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: 12px;
      background: white;
      color: var(--text);
    }

    input[type="checkbox"] {
      width: auto;
      margin: 0;
    }

    textarea:disabled {
      background: #f3f4f6;
      color: var(--muted);
      cursor: not-allowed;
    }

    textarea {
      min-height: 120px;
      resize: vertical;
      line-height: 1.45;
    }

    .hint {
      font-size: 0.9rem;
      color: var(--muted);
      margin-top: 6px;
    }

    .actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-top: 16px;
    }

    button {
      border: 0;
      border-radius: 12px;
      padding: 12px 16px;
      cursor: pointer;
      font-weight: 600;
    }

    .primary {
      background: var(--accent);
      color: white;
    }

    .primary:hover { background: var(--accent-dark); }

    .secondary {
      background: #e8eef7;
      color: var(--text);
    }

    .danger {
      background: #fdecec;
      color: var(--danger);
    }

    button:disabled,
    input:disabled,
    select:disabled,
    textarea:disabled {
      opacity: 0.62;
      cursor: not-allowed;
    }

    .status {
      margin-top: 14px;
      padding: 12px 14px;
      border-radius: 12px;
      display: none;
      white-space: pre-wrap;
    }

    .status.show { display: block; }
    .status.ok { background: #ecf8f1; color: var(--ok); }
    .status.error { background: #fdecec; color: var(--danger); }

    .row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }

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

    .collapsible-content {
      margin-top: 4px;
    }

    .card.is-collapsed .collapsible-content {
      display: none;
    }

    .collapse-toggle {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }

    .collapse-toggle-icon {
      width: 0;
      height: 0;
      border-left: 5px solid transparent;
      border-right: 5px solid transparent;
      border-top: 7px solid currentColor;
      transition: transform 0.15s ease;
    }

    .card.is-collapsed .collapse-toggle-icon {
      transform: rotate(-90deg);
    }

    .pill {
      display: inline-block;
      padding: 6px 10px;
      border-radius: 999px;
      background: #eef6ff;
      color: var(--accent-dark);
      font-size: 0.85rem;
      font-weight: 600;
    }

    .hidden { display: none; }

    .case-list {
      display: grid;
      gap: 10px;
    }

    .case-item {
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 14px;
      background: #fbfdff;
    }

    .case-title {
      font-weight: 700;
      margin-bottom: 6px;
    }

    .case-details {
      border: 1px solid var(--border);
      border-radius: 14px;
      background: #fbfdff;
      margin-top: 16px;
      overflow: hidden;
    }

    .case-detail-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      padding: 14px;
      border-bottom: 1px solid var(--border);
      background: #f8fbff;
    }

    .case-detail-actions {
      margin-top: 0;
    }

    .case-detail-grid {
      display: grid;
    }

    .case-detail-row {
      display: grid;
      grid-template-columns: minmax(140px, 220px) minmax(0, 1fr);
      gap: 14px;
      padding: 12px 14px;
      border-top: 1px solid var(--border);
    }

    .case-detail-row:first-child {
      border-top: 0;
    }

    .case-detail-label {
      color: var(--muted);
      font-size: 0.8rem;
      font-weight: 800;
      letter-spacing: 0;
    }

    .case-detail-value {
      margin: 0;
      color: var(--text);
      font: inherit;
      line-height: 1.45;
      overflow-x: auto;
      white-space: pre-wrap;
      word-break: break-word;
    }

    .small {
      font-size: 0.9rem;
      color: var(--muted);
    }

    @media (max-width: 800px) {
      .case-detail-header {
        display: grid;
      }

      .case-detail-row {
        grid-template-columns: 1fr;
        gap: 6px;
      }
    }

    .session-summary {
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 14px;
      background: #f8fbff;
      margin-top: 16px;
    }

    .session-status-complete,
    .session-status-incomplete,
    .session-status-unknown,
    .metric-covered,
    .metric-major,
    .metric-minor {
      font-weight: 800;
    }

    .session-status-complete,
    .metric-covered {
      color: var(--accent-dark);
    }

    .session-status-incomplete,
    .metric-major {
      color: var(--danger);
    }

    .session-status-unknown {
      color: var(--muted);
    }

    .metric-minor {
      color: #b45309;
    }

    .turn-list {
      display: grid;
      gap: 12px;
      margin-top: 16px;
    }

    .turn-item {
      border: 1px solid var(--border);
      border-radius: 14px;
      background: #ffffff;
      overflow: hidden;
    }

    .turn-header {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      padding: 12px 14px;
      background: #eef6ff;
      color: var(--accent-dark);
      font-size: 0.9rem;
      font-weight: 700;
    }

    .turn-field {
      padding: 12px 14px;
      border-top: 1px solid var(--border);
    }

    .turn-label {
      color: var(--muted);
      font-size: 0.78rem;
      font-weight: 800;
      letter-spacing: 0;
      margin-bottom: 6px;
      text-transform: uppercase;
    }

    .turn-text {
      color: var(--text);
      line-height: 1.5;
      white-space: pre-wrap;
    }

    .empty-state {
      border: 1px dashed var(--border);
      border-radius: 14px;
      color: var(--muted);
      padding: 18px;
      text-align: center;
    }

    .user-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 14px;
      background: #fbfdff;
    }

    .institution-item {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 14px;
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 14px;
      background: #fbfdff;
      margin-bottom: 10px;
    }

    .institution-info {
      display: grid;
      gap: 4px;
      min-width: 0;
    }

    .institution-name {
      font-weight: 700;
    }

    .institution-actions {
      margin-top: 0;
      flex-shrink: 0;
    }

    @media (max-width: 800px) {
      .institution-item {
        display: grid;
      }
    }

    .user-info {
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .user-name {
      font-weight: 700;
    }

    .user-role {
      color: var(--muted);
      font-size: 0.85rem;
    }