:root {
    --bg: #0a0c10;
    --surface: #111318;
    --surface2: #181c24;
    --border: #1e2430;
    --border2: #2a3040;
    --accent: #00d4aa;
    --accent2: #0088ff;
    --accent3: #ff6b35;
    --text: #e2e8f0;
    --text2: #8892a4;
    --text3: #4a5568;
    --success: #00c896;
    --danger: #ff4757;
    --warning: #ffb347;
    --mono: 'IBM Plex Mono', monospace;
    --sans: 'IBM Plex Sans', sans-serif;
    --radius: 6px;
  }

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

  body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  /* ── Layout ── */
  .app { display: flex; min-height: 100vh; }

  .sidebar {
    width: 220px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
  }

  .logo {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
  }

  .logo-mark {
    font-family: var(--mono);
    font-size: 11px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }

  .logo-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-top: 4px;
  }

  .nav { padding: 12px 0; flex: 1; }

  .nav-section {
    padding: 12px 16px 4px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text3);
    font-family: var(--mono);
  }

  .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    cursor: pointer;
    font-size: 13.5px;
    color: var(--text2);
    transition: all 0.15s;
    border-left: 2px solid transparent;
  }

  .nav-item:hover { color: var(--text); background: var(--surface2); }
  .nav-item.active { color: var(--accent); border-left-color: var(--accent); background: rgba(0,212,170,0.06); }
  .nav-item .icon { font-size: 16px; width: 18px; text-align: center; }

  .nav-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    font-size: 12px;
    color: var(--text3);
  }

  .user-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--surface2);
    border-radius: var(--radius);
    margin-bottom: 10px;
  }

  .user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #000;
    flex-shrink: 0;
  }

  .user-info { min-width: 0; }
  .user-name { font-size: 12px; font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .user-role { font-size: 10px; font-family: var(--mono); color: var(--accent); }

  .main { margin-left: 220px; flex: 1; display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
  .page { display: flex; flex-direction: column; flex: 1; min-height: 0; overflow: hidden; }

  .topbar {
    padding: 14px 28px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--surface);
  }

  .page-title { font-size: 18px; font-weight: 600; }
  .page-sub { font-size: 12px; color: var(--text2); margin-top: 2px; }

  .topbar-actions { display: flex; gap: 8px; align-items: center; }

  .content { padding: 24px 28px; flex: 1; overflow-y: auto; min-height: 0; }

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

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

  .card-title { font-size: 13px; font-weight: 600; color: var(--text); }
  .card-body { padding: 18px; }

  /* ── Buttons ── */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s;
    font-family: var(--sans);
  }

  .btn-primary { background: var(--accent); color: #000; border-color: var(--accent); }
  .btn-primary:hover { background: #00e8bb; }
  .btn-ghost { background: transparent; color: var(--text2); border-color: var(--border2); }
  .btn-ghost:hover { background: var(--surface2); color: var(--text); }
  .btn-danger { background: transparent; color: var(--danger); border-color: var(--danger); }
  .btn-danger:hover { background: rgba(255,71,87,0.1); }
  .btn-sm { padding: 4px 10px; font-size: 12px; }
  .btn:disabled { opacity: 0.4; cursor: not-allowed; }

  /* ── Forms ── */
  .form-group { margin-bottom: 16px; }
  .form-label { display: block; font-size: 12px; font-weight: 500; color: var(--text2); margin-bottom: 6px; font-family: var(--mono); letter-spacing: 0.04em; }
  
  .form-input, .form-select {
    width: 100%;
    padding: 8px 12px;
    background: var(--surface2);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 13px;
    font-family: var(--sans);
    outline: none;
    transition: border-color 0.15s;
  }

  .form-input:focus, .form-select:focus { border-color: var(--accent); }
  .form-select { appearance: none; cursor: pointer; }

  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

  /* ── Tables ── */
  .table-wrap { overflow-x: auto; }

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

  th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text3);
    font-family: var(--mono);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
  }

  td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text2);
    vertical-align: middle;
  }

  tr:last-child td { border-bottom: none; }
  tr:hover td { background: var(--surface2); }

  .td-main { color: var(--text); font-weight: 500; }
  .td-mono { font-family: var(--mono); font-size: 12px; }

  /* ── Badges ── */
  .badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 99px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-family: var(--mono);
  }

  .badge-admin { background: rgba(0,212,170,0.12); color: var(--accent); border: 1px solid rgba(0,212,170,0.3); }
  .badge-analyst { background: rgba(0,136,255,0.12); color: var(--accent2); border: 1px solid rgba(0,136,255,0.3); }
  .badge-power_user { background: rgba(255,107,53,0.12); color: var(--accent3); border: 1px solid rgba(255,107,53,0.3); }
  .badge-viewer { background: rgba(138,150,170,0.12); color: var(--text2); border: 1px solid var(--border2); }
  .badge-active { background: rgba(0,200,150,0.12); color: var(--success); border: 1px solid rgba(0,200,150,0.3); }
  .badge-inactive { background: rgba(255,71,87,0.1); color: var(--danger); border: 1px solid rgba(255,71,87,0.3); }
  .badge-valid { background: rgba(0,200,150,0.1); color: var(--success); }
  .badge-expired { background: rgba(255,179,71,0.1); color: var(--warning); }

  /* ── Stat cards ── */
  .stats-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-bottom: 24px; }

  .stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 14px;
  }

  .stat-label { font-size: 10px; font-weight: 600; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; font-family: var(--mono); }
  .stat-value { font-size: 24px; font-weight: 600; font-family: var(--mono); margin: 4px 0 2px; color: var(--text); }
  .stat-sub { font-size: 11px; color: var(--text3); }

  /* ── Modal ── */
  .modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
  }

  .modal {
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: 8px;
    width: 560px;
    max-width: 95vw;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideIn 0.2s ease;
  }

  @keyframes slideIn {
    from { transform: translateY(-12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
  }

  .modal-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .modal-title { font-size: 15px; font-weight: 600; }
  .modal-close { background: none; border: none; color: var(--text2); cursor: pointer; font-size: 18px; line-height: 1; padding: 2px 6px; border-radius: 4px; }
  .modal-close:hover { background: var(--surface2); color: var(--text); }
  .modal-body { padding: 20px; }
  .modal-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

  /* ── Tabs ── */
  .tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 20px; }

  .tab {
    padding: 9px 16px;
    font-size: 13px;
    color: var(--text2);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s;
  }

  .tab:hover { color: var(--text); }
  .tab.active { color: var(--accent); border-bottom-color: var(--accent); }

  /* ── Permissions editor ── */
  .perm-section { margin-bottom: 20px; }
  .perm-section-title { font-size: 12px; font-weight: 600; color: var(--text2); font-family: var(--mono); margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.08em; }

  .tag-list { display: flex; flex-wrap: wrap; gap: 6px; min-height: 32px; padding: 6px; background: var(--surface2); border: 1px solid var(--border2); border-radius: var(--radius); }

  .tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 8px;
    background: rgba(0,212,170,0.1);
    border: 1px solid rgba(0,212,170,0.25);
    border-radius: 4px;
    font-size: 11px;
    font-family: var(--mono);
    color: var(--accent);
  }

  .tag-remove { cursor: pointer; opacity: 0.6; font-size: 14px; line-height: 1; }
  .tag-remove:hover { opacity: 1; }

  .tag-input-row { display: flex; gap: 6px; margin-top: 6px; }
  .tag-input-row .form-input { flex: 1; }

  /* ── Alert ── */
  .alert {
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 13px;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .alert-error { background: rgba(255,71,87,0.1); border: 1px solid rgba(255,71,87,0.3); color: var(--danger); }
  .alert-success { background: rgba(0,200,150,0.1); border: 1px solid rgba(0,200,150,0.3); color: var(--success); }

  /* ── Login ── */
  .login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
  }

  .login-box {
    width: 360px;
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: 10px;
    padding: 36px;
  }

  .login-logo { text-align: center; margin-bottom: 28px; }
  .login-logo-mark { font-family: var(--mono); font-size: 11px; color: var(--accent); letter-spacing: 0.2em; text-transform: uppercase; }
  .login-logo-name { font-size: 22px; font-weight: 600; margin-top: 6px; }

  /* ── Audit ── */
  .audit-row td:first-child { font-family: var(--mono); font-size: 11px; }
  .audit-sql { font-family: var(--mono); font-size: 11px; color: var(--text3); max-width: 240px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  /* ── Toast ── */
  .toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 999; display: flex; flex-direction: column; gap: 8px; }

  .toast {
    padding: 11px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    max-width: 300px;
    animation: toastIn 0.25s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  }

  .toast-success { background: #0d2e1f; border: 1px solid rgba(0,200,150,0.4); color: var(--success); }
  .toast-error { background: #2e0d14; border: 1px solid rgba(255,71,87,0.4); color: var(--danger); }

  @keyframes toastIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

  /* ── Loader ── */
  .spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--border2); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; }
  @keyframes spin { to { transform: rotate(360deg); } }

  .empty-state { text-align: center; padding: 48px; color: var(--text3); }
  .empty-icon { font-size: 32px; margin-bottom: 12px; }
  .empty-msg { font-size: 13px; }

  /* Scrollbar */
  ::-webkit-scrollbar { width: 6px; height: 6px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }

  .hidden { display: none !important; }
  .page-canvas:not(.hidden) { display: flex !important; flex-direction: column; height: 100%; overflow: hidden; }
  .flex { display: flex; }
  .gap-8 { gap: 8px; }
  .items-center { align-items: center; }
/* === Canvas de relações === */
        .page-canvas:not(.hidden) { display: flex !important; flex-direction: column; height: 100%; overflow: hidden; }
        #canvas-root { display: flex; flex-direction: column; width: 100%; height: 100%; overflow: hidden; }
        #canvas-root #toolbar {
          background: var(--surface); border-bottom: 1px solid var(--border);
          padding: 8px 14px; display: flex; align-items: center; gap: 10px;
          flex-shrink: 0; flex-wrap: wrap;
        }
        #canvas-root select, #canvas-root button {
          font-family: var(--sans); font-size: 12px; border: 1px solid var(--border);
          border-radius: 6px; padding: 5px 10px; cursor: pointer;
          background: var(--surface); color: var(--text1);
        }
        #canvas-root button:hover { background: var(--bg2); }
        #canvas-root button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
        #canvas-root #cv-stats { font-size: 11px; color: var(--text3); margin-left: auto; }
        #canvas-root kbd { background: var(--bg2); border: 1px solid var(--border); padding: 1px 5px; border-radius: 3px; font-size: 10px; }
        #canvas-root #canvas-wrap {
          flex: 1; min-height: 0; position: relative; overflow: hidden;
          cursor: grab;
          background-color: var(--bg2);
          background-image: radial-gradient(circle, #1a2535 1px, transparent 1px);
          background-size: 20px 20px;
        }
        #canvas-root #canvas-wrap.grabbing { cursor: grabbing; }
        #canvas-root #cv-inner { position: absolute; top: 0; left: 0; transform-origin: 0 0; }
        #canvas-root #cv-svg { position: absolute; top: 0; left: 0; width: 9999px; height: 9999px; pointer-events: none; overflow: visible; background: transparent; }
        #canvas-root .tcard { position: absolute; background: var(--surface); border: 1.5px solid var(--border); border-radius: 10px; box-shadow: 0 2px 8px rgba(0,0,0,.08); width: 210px; user-select: none; }
        #canvas-root .tcard-hdr { background: var(--accent); color: #fff; padding: 7px 12px; border-radius: 8px 8px 0 0; font-size: 12px; font-weight: 600; cursor: move; }
        #canvas-root .tcard-hdr span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; }
        #canvas-root .col-row { display: flex; align-items: center; padding: 3px 8px 3px 10px; font-size: 11px; border-bottom: 1px solid var(--border); gap: 6px; cursor: crosshair; position: relative; min-height: 24px; background: var(--surface); }
        #canvas-root .col-row:last-child { border-bottom: none; border-radius: 0 0 8px 8px; }
        #canvas-root .col-row:hover { background: var(--bg2) !important; }
        #canvas-root .col-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
        #canvas-root .col-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 11px; }
        #canvas-root .col-type { color: var(--text3); font-size: 10px; flex-shrink: 0; font-family: var(--mono); }
        #canvas-root .conn-dot { position: absolute; right: -6px; top: 50%; transform: translateY(-50%); width: 12px; height: 12px; border-radius: 50%; background: var(--accent); border: 2px solid var(--surface); cursor: crosshair; opacity: 0; transition: opacity .15s; z-index: 10; }
        #canvas-root .col-row:hover .conn-dot { opacity: 1; }
        #canvas-root #cv-pending { display: none; background: var(--surface); border-top: 1px solid var(--border); padding: 10px 14px; max-height: 180px; overflow-y: auto; flex-shrink: 0; }
        #cv-side-panel { position: absolute; top: 0; right: 0; width: 320px; height: 100%; background: var(--surface); border-left: 1px solid var(--border); box-shadow: -4px 0 16px rgba(0,0,0,.08); display: flex; flex-direction: column; transform: translateX(100%); transition: transform .25s ease; z-index: 100; }
        #cv-side-panel.open { transform: translateX(0); }
        #cv-side-panel-header { padding: 12px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; flex-shrink: 0; }
        #cv-side-panel-header h3 { font-size: 13px; font-weight: 600; color: var(--text1); }
        #cv-side-panel-body { flex: 1; overflow-y: auto; padding: 10px; }
        .cv-edge-row { display: flex; align-items: center; gap: 6px; padding: 7px 8px; border-radius: 6px; margin-bottom: 4px; background: var(--bg2); font-size: 11px; }
        .cv-edge-row:hover { background: var(--bg); }
        .cv-edge-label { flex: 1; font-family: var(--mono); overflow: hidden; }
        .cv-edge-src { color: var(--accent); font-weight: 600; }
        .cv-edge-tgt { color: #D97706; font-weight: 600; }
        .cv-edge-del { cursor: pointer; color: var(--text3); font-size: 14px; flex-shrink: 0; padding: 0 4px; border-radius: 4px; }
        .cv-edge-del:hover { background: #FEE2E2; color: #DC2626; }
        #cv-add-form { border-top: 1px solid var(--border); padding: 10px; flex-shrink: 0; }
        #cv-add-form h4 { font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
        #cv-add-form select { width: 100%; font-size: 11px; margin-bottom: 6px; padding: 4px 8px; }
        #cv-toggle-btn { position: absolute; top: 50%; right: 0; transform: translateY(-50%); background: var(--accent); color: #fff; border: none; border-radius: 6px 0 0 6px; padding: 8px 4px; cursor: pointer; writing-mode: vertical-rl; font-size: 11px; font-weight: 600; letter-spacing: .05em; z-index: 101; transition: right .25s ease; }
        #canvas-root #cv-pending h4 { font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
        #canvas-root .cv-pr { display: flex; align-items: center; gap: 8px; padding: 5px 0; border-bottom: 1px solid var(--border); font-size: 11px; }
        #canvas-root .cv-pr:last-child { border-bottom: none; }
        #canvas-root #cv-placeholder { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); text-align: center; color: var(--text3); pointer-events: none; }
        #canvas-root #cv-placeholder .icon { font-size: 52px; margin-bottom: 10px; }
        #canvas-root #cv-placeholder p { font-size: 13px; font-weight: 500; }
        #canvas-root #cv-placeholder small { font-size: 11px; margin-top: 4px; display: block; }

  /* ── Tooltips de configuração ── */
  .cfg-tip-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 14px; height: 14px; border-radius: 50%;
    background: var(--border2); color: var(--text3);
    font-size: 10px; font-weight: 600; cursor: help;
    margin-left: 4px; vertical-align: middle;
    transition: background .15s;
  }
  .cfg-label { position: relative; display: inline-flex; align-items: center; }
  .cfg-label:hover .cfg-tip-icon { background: var(--accent); color: #fff; }
  .cfg-label[data-tip]:hover::after {
    content: attr(data-tip);
    position: absolute; bottom: calc(100% + 8px); left: 0;
    background: var(--surface2); color: var(--text);
    border: 1px solid var(--border2); border-radius: 6px;
    padding: 8px 12px; font-size: 12px; font-weight: 400;
    line-height: 1.5; max-width: 320px; white-space: normal;
    z-index: 200; box-shadow: 0 4px 16px rgba(0,0,0,.3);
    pointer-events: none;
  }
  /* Quando não há espaço acima, mostrar abaixo */
  .cfg-label.tip-below[data-tip]:hover::after {
    bottom: auto;
    top: calc(100% + 8px);
  }