:root {
      color-scheme: dark;
      --bg: #05070b;
      --shell: #090d14;
      --surface: #0f1622;
      --surface-2: #151e2d;
      --surface-3: #1b2637;
      --line: #263448;
      --line-soft: #1b2635;
      --text: #edf3ff;
      --muted: #8ea0ba;
      --soft: #bdc9da;
      --primary: #4f8cff;
      --primary-2: #2f6eea;
      --success: #39c779;
      --warning: #ffc857;
      --danger: #ff5f6d;
      --radius: 8px;
      --shadow: 0 18px 60px rgba(0, 0, 0, .34);
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      background:
        radial-gradient(circle at top left, rgba(79, 140, 255, .15), transparent 34rem),
        linear-gradient(180deg, #05070b 0%, #080b11 100%);
      color: var(--text);
      font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      letter-spacing: 0;
    }

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

    button {
      border: 0;
      cursor: pointer;
    }

    button:disabled {
      cursor: not-allowed;
      opacity: .6;
    }

    .hidden {
      display: none !important;
    }

    .login-shell {
      min-height: 100vh;
      display: grid;
      place-items: center;
      padding: 20px;
    }

    .login-card {
      width: min(420px, 100%);
      background: rgba(15, 22, 34, .94);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 26px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: var(--radius);
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, var(--primary), #7ba8ff);
      color: #06101f;
      font-weight: 900;
      flex: 0 0 auto;
    }

    .brand h1 {
      margin: 0;
      font-size: 19px;
      line-height: 1.15;
    }

    .brand p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .login-card .brand {
      margin-bottom: 24px;
    }

    .app-shell {
      min-height: 100vh;
      display: grid;
      grid-template-columns: 272px minmax(0, 1fr);
    }

    .sidebar {
      background: rgba(9, 13, 20, .96);
      border-right: 1px solid var(--line-soft);
      padding: 20px;
      display: grid;
      grid-template-rows: auto 1fr auto;
      gap: 22px;
      position: sticky;
      top: 0;
      height: 100vh;
    }

    .nav {
      display: grid;
      align-content: start;
      gap: 8px;
    }

    .nav button {
      width: 100%;
      min-height: 42px;
      padding: 0 12px;
      border-radius: var(--radius);
      background: transparent;
      color: var(--muted);
      text-align: left;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav button:hover {
      background: rgba(255, 255, 255, .04);
      color: var(--text);
    }

    .nav button.active {
      background: var(--surface-2);
      color: var(--text);
      box-shadow: inset 3px 0 0 var(--primary);
    }

    .sidebar-actions {
      display: grid;
      gap: 10px;
    }

    .main {
      min-width: 0;
      padding: 20px;
      display: grid;
      gap: 16px;
      align-content: start;
    }

    .topbar {
      min-height: 66px;
      background: rgba(15, 22, 34, .88);
      border: 1px solid var(--line-soft);
      border-radius: var(--radius);
      padding: 12px;
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 14px;
      align-items: center;
    }

    .topbar h2 {
      margin: 0;
      font-size: 20px;
    }

    .topbar p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .toolbar {
      display: grid;
      grid-template-columns: minmax(220px, 300px) 160px auto;
      gap: 10px;
      align-items: center;
    }

    .panel {
      background: rgba(15, 22, 34, .94);
      border: 1px solid var(--line-soft);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 16px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 12px;
      align-items: center;
      margin-bottom: 14px;
    }

    .section-actions, .row-actions {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 8px;
      flex-wrap: wrap;
    }

    .section-head h3 {
      margin: 0;
      font-size: 16px;
    }

    .section-head p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
    }

    .metric {
      min-height: 112px;
      background: var(--surface);
      border: 1px solid var(--line-soft);
      border-radius: var(--radius);
      padding: 16px;
      display: grid;
      align-content: space-between;
    }

    .metric span {
      color: var(--muted);
      font-size: 12px;
      text-transform: uppercase;
      font-weight: 800;
    }

    .metric strong {
      font-size: 28px;
      line-height: 1;
      overflow-wrap: anywhere;
    }

    .form-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 12px;
    }

    .field {
      display: grid;
      gap: 7px;
      min-width: 0;
    }

    .field.wide {
      grid-column: 1 / -1;
    }

    label {
      color: var(--soft);
      font-size: 12px;
      font-weight: 800;
    }

    input, select, textarea {
      width: 100%;
      min-height: 40px;
      border: 1px solid var(--line);
      border-radius: var(--radius);
      background: #0a1019;
      color: var(--text);
      padding: 9px 11px;
      outline: none;
    }

    select {
      color-scheme: dark;
    }

    textarea {
      min-height: 116px;
      resize: vertical;
    }

    .form-spacer {
      height: 14px;
    }

    input:focus, select:focus, textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(79, 140, 255, .14);
    }

    .btn {
      min-height: 40px;
      border-radius: var(--radius);
      padding: 0 14px;
      background: var(--surface-2);
      color: var(--text);
      border: 1px solid var(--line);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      white-space: nowrap;
    }

    .btn:hover {
      background: var(--surface-3);
    }

    .btn.primary {
      background: var(--primary);
      border-color: var(--primary);
      color: #06101f;
      font-weight: 900;
    }

    .btn.primary:hover {
      background: #72a4ff;
    }

    .btn.danger {
      background: rgba(255, 95, 109, .12);
      border-color: rgba(255, 95, 109, .35);
      color: #ff9aa3;
    }

    .council-list {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .council-card, .role-card {
      background: #0b111b;
      border: 1px solid var(--line-soft);
      border-radius: var(--radius);
      padding: 14px;
      min-width: 0;
    }

    .council-title, .role-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin-bottom: 12px;
      font-weight: 900;
    }

    .badge {
      min-height: 24px;
      border-radius: 999px;
      background: rgba(57, 199, 121, .12);
      border: 1px solid rgba(57, 199, 121, .3);
      color: #70e5a5;
      padding: 3px 9px;
      font-size: 12px;
      font-weight: 900;
      white-space: nowrap;
    }

    .rank-badge {
      background: rgba(79, 140, 255, .13);
      border-color: rgba(79, 140, 255, .35);
      color: #9ec0ff;
    }

    .table-wrap {
      overflow: auto;
      border: 1px solid var(--line-soft);
      border-radius: var(--radius);
    }

    table {
      width: 100%;
      min-width: 1120px;
      border-collapse: collapse;
    }

    th, td {
      padding: 11px 12px;
      border-bottom: 1px solid var(--line-soft);
      text-align: left;
      vertical-align: top;
      font-size: 13px;
    }

    th {
      background: #0a1019;
      color: var(--muted);
      text-transform: uppercase;
      font-size: 11px;
      letter-spacing: .04em;
    }

    tr:last-child td {
      border-bottom: 0;
    }

    .hc-summary {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin-bottom: 12px;
    }

    .role-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
    }

    .role-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      color: var(--muted);
      font-size: 12px;
      margin-bottom: 12px;
    }

    .user-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 8px;
      max-height: 340px;
      overflow: auto;
      padding-right: 4px;
    }

    .user-chip {
      min-height: 42px;
      background: #070c13;
      border: 1px solid var(--line-soft);
      border-radius: var(--radius);
      padding: 8px 10px;
      display: grid;
      gap: 2px;
      min-width: 0;
    }

    .user-chip strong, .user-chip span {
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .user-chip strong {
      font-size: 13px;
    }

    .user-chip span {
      color: var(--muted);
      font-size: 12px;
    }

    .empty-state {
      min-height: 180px;
      display: grid;
      place-items: center;
      text-align: center;
      color: var(--muted);
      border: 1px dashed var(--line);
      border-radius: var(--radius);
      background: rgba(255, 255, 255, .02);
      padding: 18px;
    }

    .toast-zone {
      position: fixed;
      right: 18px;
      bottom: 18px;
      display: grid;
      gap: 10px;
      z-index: 20;
    }

    .toast {
      max-width: 360px;
      background: #101927;
      border: 1px solid var(--line);
      color: var(--text);
      border-radius: var(--radius);
      padding: 12px 14px;
      box-shadow: var(--shadow);
      font-size: 13px;
    }

    .toast.error {
      border-color: rgba(255, 95, 109, .45);
      color: #ffb4bb;
    }

    @media (max-width: 1180px) {
      .app-shell {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
        height: auto;
        grid-template-columns: 1fr;
      }

      .nav {
        grid-template-columns: repeat(4, minmax(0, 1fr));
      }

      .metric-grid, .hc-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .role-grid, .council-list {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 760px) {
      .main {
        padding: 12px;
      }

      .topbar, .section-head {
        grid-template-columns: 1fr;
      }

      .section-actions, .row-actions {
        justify-content: stretch;
      }

      .section-actions .btn, .row-actions .btn {
        flex: 1 1 auto;
      }

      .toolbar, .form-grid, .metric-grid, .hc-summary, .nav {
        grid-template-columns: 1fr;
      }
    }

    /* İntibah Durum Mesajı Renkleri */
    .empty-state.info {
      background: rgba(79, 140, 255, 0.08);
      border: 1px dashed var(--primary);
      color: #7ba8ff;
    }

    .empty-state.success {
      background: rgba(57, 199, 121, 0.08);
      border: 1px dashed var(--success);
      color: #58e398;
    }

    .empty-state.danger {
      background: rgba(255, 95, 109, 0.08);
      border: 1px dashed var(--danger);
      color: #ff8591;
    }