/* ──────────────────────────────────────────
       CSS VARIABLES — paleta do Registro Civil
       Ciano + verde-limão sobre branco, os mesmos
       tokens de app/web/src/estilos.css e da edge.
    ────────────────────────────────────────── */
    :root {
      --ciano:        #45bcce;
      --ciano-escuro: #2c9cae;
      --ciano-claro:  #e8f7fa;
      --verde:        #8cc63f;  /* action + highlight */
      --verde-escuro: #6ea430;  /* button hover */
      --verde-claro:  #f1f9e8;  /* soft fills, pills */
      --borda-verde:  #cfe6a8;
      --erro:         #d9534f;
      --erro-claro:   #fdeeed;
      --alerta:       #e8a33d;
      --alerta-claro: #fdf5e7;
      /* gold retired — kept as green aliases so any stray ref stays on-palette */
      --gold:        #8cc63f;
      --gold-light:  #f1f9e8;
      --texto:        #4a5a64;
      --texto-forte:  #33454f;  /* primary text */
      --cinza:        #8fa3ad;  /* muted text */
      --borda:        #dfeaef;  /* subtle borders */
      --borda-forte:  #c8dde4;
      --fundo:        #ffffff;
      --fundo-suave:  #f6fbfc;  /* cool page background */
      --fundo-2:      #eef3f5;  /* ledger key / zebra rows */

      --font-display: 'Nunito Sans', 'Segoe UI', system-ui, sans-serif;
      --font-body:    'Nunito Sans', 'Segoe UI', system-ui, sans-serif;
      --font-mono:    'SFMono-Regular', Consolas, 'Liberation Mono', monospace;

      --radius-sm: 4px;
      --radius-md: 6px;
      --radius-lg: 6px;

      /* Borders carry the structure; shadows are barely-there */
      --shadow-card: 0 1px 2px rgba(51,69,79,.05);
      --shadow-lift: 0 2px 10px rgba(51,69,79,.09);

      /* Override Pico defaults */
      --pico-font-family: var(--font-body);
      --pico-background-color: var(--fundo-suave);
      --pico-color: var(--texto-forte);
      --pico-primary: var(--verde);
    }

    /* ──────────────────────────────────────────
       RESET / BASE
    ────────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; }

    html, body {
      margin: 0; padding: 0;
      background: var(--fundo-suave);
      font-family: var(--font-body);
      font-size: 15px;
      color: var(--texto-forte);
      line-height: 1.65;
      min-height: 100vh;
    }

    body > header { margin: 0; padding: 0; }

    /* ──────────────────────────────────────────
       PAGE-LOAD STAGGER REVEAL
    ────────────────────────────────────────── */
    @keyframes fadeUp {
      from { opacity: 0; transform: translateY(16px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .reveal { animation: fadeUp .55s cubic-bezier(.22,.68,0,1.2) both; }
    .reveal-1 { animation-delay: .05s; }
    .reveal-2 { animation-delay: .15s; }
    .reveal-3 { animation-delay: .25s; }
    .reveal-4 { animation-delay: .35s; }

    /* ──────────────────────────────────────────
       SITE HEADER  (sticky row 1)
    ────────────────────────────────────────── */
    #site-header {
      background: linear-gradient(180deg, #fbfdfe 0%, #f4fafc 100%);
      border-bottom: 1px solid var(--borda);
      padding: 0;
      position: sticky;
      top: 0;
      z-index: 100;
    }
    .header-inner {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 12px 32px;
      max-width: 1200px;
      margin: 0 auto;
    }

    /* Monogram fallback for missing logo */
    .header-seal {
      width: 44px; height: 44px;
      background: var(--ciano-claro);
      border: 1px solid var(--borda);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-display);
      font-weight: 600;
      font-size: 1.05rem;
      color: var(--ciano-escuro);
      flex-shrink: 0;
    }
    #header-logo {
      height: 46px;
      width: auto;
      object-fit: contain;
      flex-shrink: 0;
    }

    .header-titles { flex: 1; line-height: 1.15; }
    .header-titles h1 {
      font-family: var(--font-display);
      font-size: 1.32rem;
      font-weight: 600;
      color: var(--texto-forte);
      margin: 0;
      letter-spacing: .005em;
    }
    .header-titles p {
      font-size: .72rem;
      color: var(--cinza);
      margin: 0;
      letter-spacing: .12em;
      text-transform: uppercase;
      font-weight: 400;
    }

    .header-divider {
      width: 1px;
      height: 36px;
      background: rgba(255,255,255,.18);
      flex-shrink: 0;
    }

    /* Header serventia selector + edge shortcut */
    .tenant-selector {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }
    .tenant-select {
      background: var(--fundo);
      border: 1px solid var(--borda);
      color: var(--texto);
      border-radius: 100px;
      padding: 7px 14px;
      font-size: .78rem;
      font-weight: 600;
      font-family: var(--font-body);
      letter-spacing: .01em;
      cursor: pointer;
      outline: none;
      max-width: 260px;
      transition: background .2s, border-color .2s;
    }
    .tenant-select:hover { background: var(--ciano-claro); }
    .tenant-select:focus { border-color: var(--ciano); }
    .tenant-select option { color: var(--texto-forte); background: var(--fundo); }

    .btn-abrir-edge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 14px;
      border-radius: 100px;
      background: var(--verde);
      color: #fff;
      font-size: .78rem;
      font-weight: 600;
      font-family: var(--font-body);
      text-decoration: none;
      white-space: nowrap;
      flex-shrink: 0;
      transition: background .2s, opacity .2s;
    }
    .btn-abrir-edge:hover { background: var(--verde-escuro); }
    .btn-abrir-edge[aria-disabled="true"] {
      pointer-events: none;
      opacity: .4;
      background: var(--fundo-2);
      color: var(--cinza);
    }

    /* ──────────────────────────────────────────
       TAB BAR  (sticky row 2)
    ────────────────────────────────────────── */
    #tab-bar {
      background: var(--fundo);
      border-bottom: 1px solid var(--borda);
      position: sticky;
      top: 76px;  /* header height */
      z-index: 99;
    }
    .tab-bar-inner {
      display: flex;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .tab-bar-inner::-webkit-scrollbar { display: none; }

    .tab-btn {
      display: flex;
      align-items: center;
      gap: 7px;
      padding: 14px 20px;
      border: none;
      background: transparent;
      color: var(--ciano-escuro);
      font-family: var(--font-body);
      font-size: .82rem;
      font-weight: 600;
      letter-spacing: .02em;
      text-decoration: underline;
      text-underline-offset: 4px;
      text-decoration-thickness: 1px;
      cursor: pointer;
      white-space: nowrap;
      border-bottom: 2px solid transparent;
      transition: color .2s, border-color .2s;
      position: relative;
      top: 1px;
      text-transform: uppercase;
    }
    .tab-btn:hover { color: var(--verde-escuro); }
    .tab-btn.active {
      color: var(--verde-escuro);
      border-bottom-color: var(--verde);
      font-weight: 800;
      text-decoration: none;
    }

    /* ──────────────────────────────────────────
       MAIN CONTENT AREA
    ────────────────────────────────────────── */
    #main-content {
      max-width: 1200px;
      margin: 0 auto;
      padding: 40px 32px 80px;
      position: relative;
      z-index: 1;
    }

    .tab-panel { display: none; }
    .tab-panel.active { display: block; }

    /* ──────────────────────────────────────────
       SECTION HEADINGS — oversized decorative number
    ────────────────────────────────────────── */
    .section-heading {
      display: flex;
      align-items: baseline;
      gap: 20px;
      margin-bottom: 32px;
      padding-bottom: 14px;
      border-bottom: 1.5px solid var(--borda);
    }
    .section-title-block h2 {
      font-family: var(--font-display);
      font-size: 1.4rem;
      font-weight: 600;
      color: var(--ciano-escuro);
      margin: 0 0 2px;
      line-height: 1.25;
      letter-spacing: -.01em;
    }
    .section-title-block p {
      font-size: .82rem;
      color: var(--cinza);
      margin: 0;
      letter-spacing: .02em;
    }

    /* ──────────────────────────────────────────
       ESTATÍSTICAS DE SINCRONIZAÇÃO (TAB 1)
    ────────────────────────────────────────── */
    .stats-panel {
      display: flex;
      gap: 16px;
    }
    .stat-card {
      flex: 1;
      background: var(--fundo);
      border: 1px solid var(--borda);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      padding: 22px 24px;
      text-align: center;
    }
    .stat-value {
      display: block;
      font-family: var(--font-display);
      font-size: 2.1rem;
      font-weight: 700;
      color: var(--ciano-escuro);
      line-height: 1;
      margin-bottom: 6px;
    }
    .stat-label {
      font-size: .74rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--cinza);
    }
    .stat-card-synced .stat-value { color: var(--verde-escuro); }
    .stat-card-error .stat-value  { color: var(--erro); }
    .stat-card-clickable {
      cursor: pointer;
      transition: border-color .2s, background .2s;
    }
    .stat-card-clickable:hover { border-color: var(--erro); background: #fffafa; }
    @media (max-width: 640px) { .stats-panel { flex-direction: column; } }

    /* ──────────────────────────────────────────
       MODAL · ATOS COM ERRO DE SINCRONIZAÇÃO
    ────────────────────────────────────────── */
    dialog.erros-modal {
      border: none;
      border-radius: var(--radius-lg);
      padding: 0;
      width: min(640px, 92vw);
      max-height: 80vh;
      box-shadow: var(--shadow-lift);
      overflow: hidden;
    }
    dialog.erros-modal::backdrop { background: rgba(51,69,79,.55); }
    .erros-modal-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 16px 20px;
      background: var(--ciano-escuro);
      color: var(--fundo);
    }
    .erros-modal-head h3 {
      margin: 0;
      font-family: var(--font-display);
      font-size: 1.02rem;
      font-weight: 600;
    }
    .erros-modal-close {
      background: none;
      border: none;
      color: rgba(255,255,255,.7);
      font-size: 1.5rem;
      line-height: 1;
      cursor: pointer;
      padding: 0 4px;
    }
    .erros-modal-close:hover { color: #fff; }
    .erros-modal-body {
      padding: 18px 20px;
      overflow-y: auto;
      max-height: calc(80vh - 58px);
    }
    .erro-item {
      border: 1px solid var(--borda);
      border-left: 3px solid var(--erro);
      border-radius: var(--radius-sm);
      background: var(--erro-claro);
      padding: 10px 14px;
      margin-bottom: 10px;
    }
    .erro-item:last-child { margin-bottom: 0; }
    .erro-item-head {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 4px;
      flex-wrap: wrap;
    }
    .erro-item-tipo { font-weight: 700; color: var(--ciano-escuro); font-size: .8rem; }
    .erro-item-serventia { font-size: .72rem; color: var(--cinza); }
    .erro-item-data { font-size: .72rem; color: var(--cinza); margin-left: auto; }
    .erro-item-msg {
      font-size: .8rem;
      color: #7b1e29;
      font-family: var(--font-mono);
      word-break: break-word;
    }

    .select-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 16px;
      border-radius: var(--radius-md);
      border: 1px solid var(--borda-forte);
      background: var(--fundo);
      font-size: .78rem;
      font-weight: 600;
      color: var(--texto);
      cursor: pointer;
      transition: border-color .2s, color .2s, background .2s;
      white-space: nowrap;
      font-family: var(--font-body);
    }
    .select-btn:hover { border-color: var(--verde); color: var(--ciano-escuro); }

    /* ──────────────────────────────────────────
       WARNING BOXES
    ────────────────────────────────────────── */
    .warnbox {
      background: var(--alerta-claro);
      border-left: 3px solid var(--alerta);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: .85rem;
      color: #7a5e08;
      margin-bottom: 18px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .warnbox-icon { flex-shrink: 0; color: var(--alerta); margin-top: 1px; display: block; }

    /* ──────────────────────────────────────────
       FORMS
    ────────────────────────────────────────── */
    .form-card {
      background: var(--fundo);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      padding: 36px 40px;
      border: 1.5px solid var(--borda);
    }

    label {
      font-size: .8rem;
      font-weight: 700;
      color: var(--ciano-escuro);
      letter-spacing: .05em;
      text-transform: uppercase;
      display: block;
      margin-bottom: 6px;
    }

    input[type=text],
    input[type=date],
    input[type=email] {
      width: 100%;
      padding: 10px 14px;
      border: 1.5px solid var(--borda);
      border-radius: var(--radius-md);
      font-family: var(--font-body);
      font-size: .92rem;
      color: var(--texto-forte);
      background: var(--fundo);
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }
    input[type=text]:focus, input[type=date]:focus {
      border-color: var(--verde);
      box-shadow: 0 0 0 3px rgba(140,198,63,.15);
    }

    select {
      width: 100%; box-sizing: border-box;
      padding: 10px 14px; font-size: .9rem;
      border: 1.5px solid var(--borda-forte); border-radius: var(--radius-md);
      background: var(--fundo-suave); color: var(--texto-forte); font-family: var(--font-body);
      margin: 0;
    }
    select:focus { outline: none; border-color: var(--verde); box-shadow: 0 0 0 3px rgba(140,198,63,.14); }
    input[type=checkbox] { width: 15px; height: 15px; accent-color: var(--verde); cursor: pointer; flex-shrink: 0; }

    .field-group { margin-bottom: 20px; }
    .field-row {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }
    .field-row .field-group { flex: 1; min-width: 140px; }

    .field-hint {
      font-size: .74rem;
      color: var(--cinza);
      margin-top: 4px;
      font-weight: 400;
      text-transform: none;
      letter-spacing: 0;
    }

    /* Buttons — teal is the action colour (navy text for contrast) */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 11px 26px;
      background: var(--verde);
      color: var(--ciano-escuro);
      border: 1px solid transparent;
      border-radius: var(--radius-md);
      font-family: var(--font-body);
      font-size: .88rem;
      font-weight: 600;
      letter-spacing: .01em;
      cursor: pointer;
      transition: background .2s, border-color .2s;
    }
    .btn-primary:hover:not(:disabled) { background: var(--verde-escuro); }
    .btn-primary:active:not(:disabled) { background: var(--verde-escuro); }
    .btn-primary:disabled { opacity: .5; cursor: not-allowed; }
    /* btn-teal kept as an alias of the action style (used in markup) */
    .btn-teal { background: var(--verde); color: var(--ciano-escuro); }
    .btn-teal:hover:not(:disabled) { background: var(--verde-escuro); }
    /* Neutral / secondary action on dark surfaces */
    .btn-navy { background: var(--ciano-escuro); color: var(--fundo); }
    .btn-navy:hover:not(:disabled) { background: var(--ciano); }

    /* ──────────────────────────────────────────
       RESULT BOXES
    ────────────────────────────────────────── */
    .result-box {
      margin-top: 20px;
      border-radius: var(--radius-md);
      padding: 18px 22px;
      font-size: .86rem;
      display: none;
    }
    .result-box.visible { display: block; }
    .result-success {
      background: var(--verde-claro);
      border-left: 4px solid var(--verde);
      color: var(--verde-escuro);
    }
    .result-success strong { color: var(--verde-escuro); }
    .result-error {
      background: var(--erro-claro);
      border-left: 4px solid var(--erro);
      color: #7b1e29;
    }

    /* ──────────────────────────────────────────
       LEDGER BLOCK — two-column key/value
    ────────────────────────────────────────── */
    .ledger-block {
      background: var(--fundo);
      border: 1px solid var(--borda);
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 20px;
    }
    .ledger-row {
      display: flex;
      align-items: stretch;
      border-bottom: 1px solid var(--borda);
    }
    .ledger-row:last-child { border-bottom: none; }
    .ledger-key {
      background: var(--fundo-2);
      padding: 8px 14px;
      font-size: .72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--cinza);
      min-width: 140px;
      display: flex;
      align-items: center;
      border-right: 1px solid var(--borda);
      flex-shrink: 0;
    }
    .ledger-val {
      padding: 8px 14px;
      font-size: .88rem;
      color: var(--texto-forte);
      word-break: break-all;
      display: flex;
      align-items: center;
    }
    .ledger-val code {
      font-family: var(--font-mono);
      font-size: .78rem;
      background: rgba(51,69,79,.05);
      padding: 1px 5px;
      border-radius: 3px;
    }

    /* ──────────────────────────────────────────
       JSON DARK VIEWER
    ────────────────────────────────────────── */
    .json-viewer {
      background: var(--texto-forte);
      color: #c9d1e3;
      border-radius: var(--radius-md);
      padding: 20px 24px;
      font-family: var(--font-mono);
      font-size: .78rem;
      line-height: 1.7;
      overflow-x: auto;
      white-space: pre;
      max-height: 480px;
      overflow-y: auto;
      margin-top: 12px;
    }
    .json-viewer .jk { color: #7dd3c8; }   /* key */
    .json-viewer .js { color: #f4a261; }   /* string value */
    .json-viewer .jn { color: #a8d8ea; }   /* number */
    .json-viewer .jb { color: #b5c3e8; }   /* boolean/null */

    /* ──────────────────────────────────────────
       EXPERIMENT PANELS (TAB 5)
    ────────────────────────────────────────── */
    .segregation-intro {
      background: linear-gradient(110deg, var(--texto-forte) 0%, var(--ciano-escuro) 50%, var(--ciano-escuro) 100%);
      border-radius: var(--radius-lg);
      padding: 24px 28px;
      color: var(--fundo);
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .segregation-intro h3 {
      font-family: var(--font-display);
      font-size: 1.05rem;
      font-weight: 600;
      margin: 0 0 6px;
      color: var(--verde-claro);
    }
    .segregation-intro p {
      margin: 0;
      font-size: .88rem;
      color: rgba(255,255,255,.72);
      line-height: 1.6;
    }

    .seg-tenant-pickers {
      display: flex;
      gap: 20px;
      flex-wrap: wrap;
      margin-bottom: 20px;
    }
    .seg-tenant-pickers label {
      display: flex;
      flex-direction: column;
      gap: 4px;
      font-size: .78rem;
      font-weight: 600;
      color: var(--texto);
    }
    .seg-tenant-pickers select { min-width: 220px; }

    .experiment-section { margin-bottom: 36px; }
    .experiment-title {
      font-family: var(--font-display);
      font-size: 1rem;
      font-weight: 700;
      color: var(--ciano-escuro);
      margin: 0 0 14px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .experiment-title .exp-badge {
      font-family: var(--font-body);
      font-size: .7rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 100px;
      background: var(--fundo-2);
      color: var(--cinza);
      letter-spacing: .04em;
      text-transform: uppercase;
    }

    .panels-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
    }
    @media (max-width: 700px) { .panels-row { grid-template-columns: 1fr; } }

    .exp-panel {
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--borda);
    }
    .exp-panel-header {
      padding: 10px 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: .78rem;
      font-weight: 700;
      letter-spacing: .04em;
      text-transform: uppercase;
    }
    .exp-panel-header.teal-head  { background: var(--ciano-escuro); color: var(--verde-claro); }
    .exp-panel-header.red-head   { background: var(--erro); color: #fff; }
    .exp-panel-header.amber-head { background: var(--alerta); color: var(--ciano-escuro); }
    .exp-panel-header.slate-head { background: var(--fundo-2); color: var(--texto); border-bottom: 1px solid var(--borda); }

    .exp-status-pill {
      padding: 2px 9px;
      border-radius: 100px;
      font-size: .7rem;
      font-weight: 700;
    }
    .pill-200 { background: rgba(140,198,63,.25); color: var(--verde-claro); }
    .pill-404 { background: rgba(255,255,255,.22); color: #fff; }
    .pill-amber200 { background: rgba(51,69,79,.15); color: var(--texto-forte); }
    .pill-slate { background: rgba(51,69,79,.10); color: var(--ciano-escuro); }
    .pill-error { background: rgba(220,53,69,.2); color: #ff8a94; }

    .exp-panel-body {
      background: var(--fundo);
      padding: 14px 16px;
      min-height: 80px;
    }
    .exp-endpoint {
      font-family: var(--font-mono);
      font-size: .72rem;
      color: var(--cinza);
      margin-bottom: 8px;
      word-break: break-all;
    }
    .exp-result { font-size: .82rem; color: var(--texto-forte); }
    .exp-result pre {
      margin: 0;
      font-size: .72rem;
      color: var(--cinza);
      white-space: pre-wrap;
      word-break: break-all;
      max-height: 160px;
      overflow-y: auto;
    }

    .exp-caption {
      margin-top: 10px;
      font-size: .78rem;
      font-style: italic;
      color: var(--cinza);
      padding: 8px 14px;
      border-left: 3px solid var(--borda);
      background: var(--fundo-2);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }

    /* ──────────────────────────────────────────
       CONFIRMATION TABLE (TAB 6)
    ────────────────────────────────────────── */
    .atos-section { margin-bottom: 36px; }
    .atos-section-title {
      font-family: var(--font-display);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--ciano-escuro);
      margin: 0 0 12px;
      padding-bottom: 8px;
      border-bottom: 2px solid var(--verde);
      display: inline-block;
    }

    .atos-table-wrap {
      border: 1px solid var(--borda);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }
    .atos-table {
      width: 100%;
      border-collapse: collapse;
      font-size: .83rem;
      background: var(--fundo);
    }
    .atos-table thead { background: var(--ciano-escuro); color: var(--verde-claro); }
    .atos-table thead th {
      padding: 10px 14px;
      font-size: .72rem;
      font-weight: 700;
      letter-spacing: .06em;
      text-transform: uppercase;
      text-align: left;
      border: none;
    }
    .atos-table tbody tr:nth-child(even) { background: var(--fundo-suave); }
    .atos-table tbody td {
      padding: 10px 14px;
      border-bottom: 1px solid var(--borda);
      color: var(--texto-forte);
      vertical-align: middle;
    }
    .atos-table tbody tr:last-child td { border-bottom: none; }
    .atos-table tbody tr.clickable-row { cursor: pointer; }
    .atos-table tbody tr.clickable-row:hover { background: var(--verde-claro); }
    .use-ato-btn {
      font-size: .72rem;
      color: var(--verde);
      background: none;
      border: none;
      cursor: pointer;
      padding: 0;
      font-family: var(--font-body);
      font-weight: 600;
      white-space: nowrap;
    }
    .use-ato-btn:hover { text-decoration: underline; }
    /* Toast notification */
    #demo-toast {
      position: fixed;
      bottom: 28px;
      left: 50%;
      transform: translateX(-50%) translateY(12px);
      background: var(--ciano-escuro);
      color: var(--verde-claro);
      padding: 9px 20px;
      border-radius: 100px;
      font-size: .82rem;
      font-weight: 600;
      pointer-events: none;
      opacity: 0;
      transition: opacity .25s, transform .25s;
      z-index: 999;
      white-space: nowrap;
    }
    #demo-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
    .atos-table .tipo-pill {
      background: var(--verde-claro);
      color: var(--verde-escuro);
      padding: 2px 8px;
      border-radius: 100px;
      font-size: .72rem;
      font-weight: 700;
      letter-spacing: .03em;
    }
    .truncated {
      font-family: var(--font-mono);
      font-size: .72rem;
      color: var(--cinza);
    }

    /* ──────────────────────────────────────────
       LOADING SPINNER
    ────────────────────────────────────────── */
    @keyframes spin { to { transform: rotate(360deg); } }
    .spinner {
      display: inline-block;
      width: 14px; height: 14px;
      border: 2px solid rgba(255,255,255,.3);
      border-top-color: #fff;
      border-radius: 50%;
      animation: spin .7s linear infinite;
    }
    .spinner-dark {
      border-color: rgba(51,69,79,.15);
      border-top-color: var(--ciano-escuro);
    }

    /* Experiment waiting state */
    .exp-loading {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--cinza);
      font-size: .82rem;
      padding: 10px 0;
    }

    /* ──────────────────────────────────────────
       UTILITY
    ────────────────────────────────────────── */
    .mt-0 { margin-top: 0; }
    .mb-0 { margin-bottom: 0; }
    .mb-16 { margin-bottom: 16px; }
    .mb-24 { margin-bottom: 24px; }
    .text-sm { font-size: .8rem; }
    .text-muted { color: var(--cinza); }
    .text-teal { color: var(--verde); }
    .text-navy { color: var(--ciano-escuro); }
    .fw-bold { font-weight: 700; }

    .detail-grid {
      display: grid;
      grid-template-columns: max-content 1fr;
      gap: 4px 16px;
      font-size: .85rem;
    }
    .detail-grid dt { font-weight: 600; color: var(--ciano-escuro); white-space: nowrap; }
    .detail-grid dd { color: var(--texto-forte); margin: 0; word-break: break-all; }

    /* Tab 4 form-card full-width */
    #tab4 .form-card { max-width: 100%; }

    /* Precondition dim overlay for tabs 3/5 */
    .tab-dimmed {
      opacity: .45;
      pointer-events: none;
      user-select: none;
    }

    /* ──────────────────────────────────────────
       PAINEL — log da serventia ativa
    ────────────────────────────────────────── */
    .painel-log { margin-top: 28px; }
    .painel-log-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 12px;
    }
    .painel-log-title {
      font-family: var(--font-display);
      font-size: 1.02rem;
      font-weight: 600;
      color: var(--ciano-escuro);
      margin: 0;
    }
    .painel-log-sub { font-size: .78rem; color: var(--cinza); margin: 2px 0 0; }
    .painel-log-empty {
      font-size: .85rem;
      color: var(--cinza);
      background: var(--fundo-2);
      border: 1px dashed var(--borda-forte);
      border-radius: var(--radius-md);
      padding: 18px 20px;
      margin: 0;
    }
    .otc-chip {
      display: inline-block;
      background: var(--verde-claro);
      color: var(--verde-escuro);
      padding: 2px 8px;
      border-radius: 100px;
      font-size: .72rem;
      font-weight: 700;
      letter-spacing: .02em;
    }
    .lr-key {
      background: var(--fundo-2);
      padding: 8px 14px;
      font-size: .72rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: var(--cinza);
      min-width: 150px;
      white-space: nowrap;
      display: flex;
      align-items: center;
      border-right: 1px solid var(--borda);
      flex-shrink: 0;
    }
    .lr-val {
      padding: 8px 14px;
      font-size: .86rem;
      color: var(--texto-forte);
      word-break: break-all;
      display: flex;
      align-items: center;
    }
    .lr-mono { font-family: var(--font-mono); }

    /* ──────────────────────────────────────────
       SEGREGAÇÃO — contexto do dono + trilha
    ────────────────────────────────────────── */
    .seg-owner {
      background: var(--fundo-2);
      border: 1px solid var(--borda);
      border-left: 3px solid var(--ciano-escuro);
      border-radius: var(--radius-sm);
      padding: 10px 16px;
      font-size: .84rem;
      color: var(--texto);
      margin-bottom: 24px;
    }
    .seg-owner strong { color: var(--ciano-escuro); }
    .seg-owner-tipo {
      display: inline-block;
      background: var(--verde-claro);
      color: var(--verde-escuro);
      padding: 1px 8px;
      border-radius: 100px;
      font-size: .72rem;
      font-weight: 700;
    }
    .owner-chip {
      display: inline-block;
      background: rgba(255,255,255,.16);
      color: inherit;
      padding: 1px 7px;
      border-radius: 100px;
      font-size: .62rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: .04em;
      vertical-align: middle;
    }
    .trail-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      padding: 8px 12px;
      border-radius: var(--radius-sm);
      margin-bottom: 6px;
      border: 1px solid var(--borda);
    }
    .trail-item.disponivel { background: var(--verde-claro); border-color: var(--verde); }
    .trail-item.restrito   { background: var(--fundo-2); }
    .trail-tipo { font-weight: 600; color: var(--ciano-escuro); font-size: .82rem; }
    .trail-flag { font-size: .76rem; font-weight: 700; letter-spacing: .02em; }
    .trail-item.disponivel .trail-flag { color: var(--verde-escuro); }
    .trail-item.restrito   .trail-flag { color: var(--cinza); }
    .trail-raw { margin-top: 8px; }
    .trail-raw summary {
      cursor: pointer;
      font-size: .74rem;
      color: var(--cinza);
      user-select: none;
    }
    .trail-raw pre {
      margin: 8px 0 0;
      font-family: var(--font-mono);
      font-size: .72rem;
      color: var(--cinza);
      white-space: pre-wrap;
      word-break: break-all;
      max-height: 160px;
      overflow-y: auto;
    }
    /* ──────────────────────────────────────────
       RESPONSIVE
    ────────────────────────────────────────── */
    @media (max-width: 768px) {
      #main-content { padding: 24px 16px 60px; }
      .header-inner { padding: 10px 16px; }
      .form-card { padding: 24px 20px; }
        .segregation-intro { flex-direction: column; align-items: flex-start; }
    }