:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e2e5ea;
  --text: #1d2330;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-text: #ffffff;
  --danger: #dc2626;
  --ok: #16a34a;
  --warn: #d97706;
  --sidebar: #111827;
  --sidebar-text: #e5e7eb;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #171b23;
    --border: #2a303c;
    --text: #e6e8ec;
    --muted: #9aa3b2;
    --primary: #3b82f6;
    --sidebar: #0a0d12;
  }
}

* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; margin: 4px 0; }
h1, h2, h3 { margin: 0 0 12px; }

/* Botões e campos */
.btn { border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 8px; padding: 7px 14px; cursor: pointer; font: inherit; }
.btn:hover { filter: brightness(0.97); }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.danger { color: var(--danger); }
.btn.small { padding: 3px 9px; font-size: 12px; }
.btn.link { border: 0; background: none; color: inherit; text-decoration: underline; padding: 0; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 500; }
label small { font-weight: 400; color: var(--muted); }
input, select, textarea { font: inherit; padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); width: 100%; }
textarea { min-height: 90px; resize: vertical; }
input:disabled, select:disabled, textarea:disabled, .btn:disabled { opacity: .6; cursor: not-allowed; }
input[type="color"] { padding: 2px; height: 36px; }
.check-row { display: flex; flex-wrap: wrap; gap: 6px 14px; font-weight: 400; }
.check-row label { flex-direction: row; align-items: center; gap: 5px; font-weight: 400; }
.check-row input { width: auto; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.login-card { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 12px; }

/* Layout */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.app.collapsed { grid-template-columns: 64px 1fr; }
.brand { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; }
.sidebar-toggle { background: none; border: 1px solid rgba(255,255,255,.18); color: var(--sidebar-text); border-radius: 6px; cursor: pointer; padding: 0 7px; font-size: 14px; line-height: 22px; }
.sidebar-toggle:hover { background: rgba(255,255,255,.08); }
#menu a { display: flex; align-items: center; gap: 10px; }
#menu .ico { width: 18px; text-align: center; flex: none; opacity: .85; }
.app.collapsed .sidebar { padding: 18px 8px; }
.app.collapsed .lbl { display: none; }
.app.collapsed .brand { justify-content: center; margin: 0 0 20px; }
.app.collapsed #menu a { justify-content: center; padding: 8px 0; }
.app.collapsed .me { align-items: center; padding: 10px 0 0; }
.app.collapsed .me .btn.link { align-self: center; font-size: 12px; }
.sidebar { background: var(--sidebar); color: var(--sidebar-text); display: flex; flex-direction: column; padding: 18px 12px; }
.brand { font-weight: 700; font-size: 18px; margin: 0 8px 20px; }
.brand small { font-weight: 400; opacity: .7; }
#menu { display: flex; flex-direction: column; gap: 2px; flex: 1; }
#menu a { color: inherit; text-decoration: none; padding: 8px 10px; border-radius: 8px; }
#menu a:hover { background: rgba(255,255,255,.07); }
#menu a.active { background: rgba(255,255,255,.14); }
.me { display: flex; flex-direction: column; gap: 2px; padding: 10px 8px 0; border-top: 1px solid rgba(255,255,255,.12); }
.me .btn.link { align-self: flex-start; margin-top: 6px; color: var(--sidebar-text); }
.main { padding: 24px; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head h1 { margin: 0; }
.page-head .inline { flex-wrap: wrap; align-items: center; }

/* tabela com filtro, ordenação e paginação */
.sort-btn { background: none; border: 0; padding: 0; font: inherit; color: inherit; text-transform: inherit; letter-spacing: inherit; cursor: pointer; white-space: nowrap; }
.sort-btn:hover { color: var(--text); }
.filter-row th { padding-top: 0; text-transform: none; letter-spacing: 0; font-weight: 400; }
.filter-row input, .filter-row select { width: 100%; min-width: 90px; padding: 4px 8px; font-size: 13px; }
.pager { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px; padding: 10px 12px; border-top: 1px solid var(--border); font-size: 13px; }
.pager > .muted { margin-right: auto; }
.pager-size { display: inline-flex; align-items: center; gap: 6px; }
.pager-size select { width: auto; padding: 3px 6px; }

.breadcrumb { font-size: 13px; margin-bottom: 6px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }

/* Tabela */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--bg); }
td.actions { white-space: nowrap; text-align: right; }
.empty { padding: 28px; text-align: center; color: var(--muted); }
.badge { display: inline-block; font-size: 12px; border-radius: 10px; padding: 1px 8px; border: 1px solid var(--border); }
.badge.ok { color: var(--ok); border-color: currentColor; }
.badge.erro { color: var(--danger); border-color: currentColor; }
.badge.aviso { color: var(--warn); border-color: currentColor; }

/* Formulários */
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; }
.panel h2 { font-size: 16px; }
.actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
.inline { display: flex; gap: 8px; align-items: flex-end; }
.small { font-size: 12px; }
.ok { color: var(--ok); margin: 4px 0; }
.warn { color: var(--warn); margin: 4px 0; }

/* Ficha do cliente */
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 10px; }
.panel-head h2 { margin: 0; }
.panel-head .inline { flex-wrap: wrap; align-items: center; }
.info { display: grid; grid-template-columns: minmax(140px, 200px) 1fr; gap: 6px 14px; margin: 0; }
.info dt { color: var(--muted); }
.info dd { margin: 0; word-break: break-word; }
.test-result { margin-top: 12px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); }
.test-result.is-ok { border-color: var(--ok); }
.test-result.is-error { border-color: var(--danger); }
.form-grid .when-hidden { display: none; }
@media (max-width: 560px) { .info { grid-template-columns: 1fr; gap: 0; } .info dd { margin-bottom: 8px; } }

/* Token recém-gerado */
.copy-row { display: flex; gap: 8px; align-items: stretch; margin: 4px 0 12px; }
.copy-row code { flex: 1; min-width: 0; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); font: 13px/1.4 ui-monospace, Consolas, monospace; word-break: break-all; }
.alert { padding: 10px 12px; border-radius: 8px; border: 1px solid var(--warn); border-left-width: 4px; margin-bottom: 12px; }
.steps { margin: 6px 0 0; padding-left: 20px; }
.steps li { margin-bottom: 4px; }

/* Modal e toast */
dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); width: min(720px, calc(100vw - 32px)); padding: 20px; }
dialog.wide { width: min(1100px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0,0,0,.45); }
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; z-index: 10; max-width: calc(100vw - 40px); }
.toast.error { background: var(--danger); color: #fff; }
/* Aviso como popover (camada superior, por cima das janelas): desfaz o estilo padrão do navegador. */
.toast[popover] { inset: auto 20px 20px auto; margin: 0; border: 0; padding: 10px 16px; overflow: visible; }

@media (max-width: 760px) {
  .app, .app.collapsed { grid-template-columns: 1fr; }
  .sidebar-toggle { display: none; }
  .app.collapsed .lbl { display: inline; }
  .sidebar { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 8px; padding: 10px 16px; }
  .brand { margin: 0 8px 0 0; font-size: 15px; }
  .brand br { display: none; }
  #menu { flex-direction: row; flex-wrap: wrap; }
  .me { flex-direction: row; align-items: center; gap: 8px; border: 0; padding: 0; }
  .me .btn.link { margin: 0; }
  .main { padding: 16px; }
}

/* Ajuda contextual (js/helpCore.js) */
.help-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; padding: 4px 10px; color: var(--primary); border-color: currentColor; background: var(--surface); }
.help-btn span { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--primary); color: var(--primary-text); font-weight: 700; font-size: 12px; }
.page-head h1 + .help-btn, .page-head h2 + .help-btn { margin-right: auto; }
h2.with-help { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
h2.with-help .help-btn { font-weight: 500; }
dialog.help-modal { width: min(760px, calc(100vw - 32px)); max-height: calc(100vh - 48px); padding: 0; display: flex; flex-direction: column; overflow: hidden; }
dialog.help-modal:not([open]) { display: none; }
.help-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 16px 20px 10px; border-bottom: 1px solid var(--border); }
.help-head h2 { margin: 0; font-size: 18px; }
.help-body { padding: 6px 20px 14px; overflow-y: auto; line-height: 1.55; }
.help-body h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 16px 0 6px; }
.help-body p { margin: 0; }
.help-body ol, .help-body ul { margin: 0; padding-left: 20px; }
.help-body li { margin-bottom: 4px; }
.help-fields { margin: 0; display: grid; grid-template-columns: minmax(140px, 220px) 1fr; gap: 6px 14px; }
.help-fields dt { font-weight: 600; }
.help-fields dd { margin: 0; }
.help-foot { padding: 10px 20px 16px; border-top: 1px solid var(--border); }
.help-foot:empty { display: none; }
.help-index { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 4px 8px; font-weight: 400; color: var(--muted); }
.help-index select { flex: 1; min-width: 0; width: auto; max-width: 420px; }
@media (max-width: 560px) {
  .help-fields { grid-template-columns: 1fr; gap: 2px; }
  .help-fields dd { margin-bottom: 8px; }
}