:root{
  --brand-50:#fff4ed;--brand-100:#ffe6d5;--brand-500:#f26522;--brand-600:#dc5716;--brand-700:#c94c12;
  --gray-25:#fcfcfd;--gray-50:#f9fafb;--gray-100:#f2f4f7;--gray-200:#e4e7ec;--gray-300:#d0d5dd;
  --gray-400:#98a2b3;--gray-500:#667085;--gray-600:#475467;--gray-700:#344054;--gray-800:#1d2939;--gray-900:#101828;
  --success-50:#ecfdf3;--success-600:#039855;--success-700:#027a48;
  --warning-50:#fffaeb;--warning-600:#dc6803;--warning-700:#b54708;
  --error-50:#fef3f2;--error-600:#d92d20;--error-700:#b42318;
  --info-50:#eff8ff;--info-600:#2e90fa;--info-700:#175cd3;
  --surface:#fff;
  --radius-md:10px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:20px;
  --shadow-xs:0 1px 2px rgba(16,24,40,.05);
  --shadow-sm:0 1px 3px rgba(16,24,40,.1),0 1px 2px rgba(16,24,40,.06);
  --shadow-lg:0 12px 16px -4px rgba(16,24,40,.08),0 4px 6px -2px rgba(16,24,40,.03);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  /* aliases mantidos para compatibilidade com marcações antigas */
  --brand:var(--brand-500);--brand-dark:var(--brand-700);--ink:var(--gray-800);--muted:var(--gray-500);
  --line:var(--gray-200);--bg:var(--gray-50);--card:var(--surface);--ok:var(--success-700);--warn:var(--warning-700);
  --danger:var(--error-700);--nav:var(--gray-900);--radius:var(--radius-2xl);
}
:root[data-theme="dark"]{
  --brand-50:rgba(242,101,34,.16);--brand-700:#ff8f57;
  --gray-25:#0d1526;--gray-50:#0b1220;--gray-100:#1b2740;--gray-200:#2b3852;--gray-300:#3d4c6b;
  --gray-400:#7285a3;--gray-500:#96a6c2;--gray-600:#b7c3da;--gray-700:#d3dcec;--gray-800:#e7ecf5;--gray-900:#f8fafc;
  --success-50:rgba(3,152,85,.16);--success-600:#3dd68c;--success-700:#3dd68c;
  --warning-50:rgba(220,104,3,.16);--warning-600:#f0a94e;--warning-700:#f0a94e;
  --error-50:rgba(217,45,32,.18);--error-600:#f97066;--error-700:#f97066;
  --info-50:rgba(46,144,250,.16);--info-600:#6cb1fb;--info-700:#6cb1fb;
  --surface:#141d30;
}
*{box-sizing:border-box}
body{margin:0;background:var(--gray-50);color:var(--gray-800);font:14px/1.5 var(--font);transition:background .2s,color .2s}
button,input,select{font:inherit}
a{color:var(--brand-700)}
svg{display:block}
.theme-toggle{width:38px;height:38px;border-radius:50%;border:1px solid var(--gray-300);background:var(--surface);color:var(--gray-600);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;padding:0}
.theme-toggle:hover{background:var(--gray-50)}
.theme-toggle svg{width:18px;height:18px}
.theme-toggle .icon-sun{display:none}
:root[data-theme="dark"] .theme-toggle .icon-sun{display:block}
:root[data-theme="dark"] .theme-toggle .icon-moon{display:none}
.theme-fab{position:fixed;top:20px;right:20px;z-index:20}

/* ---------- autenticação ---------- */
.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.auth-panel{min-height:100vh}
.logo-standalone{display:flex;justify-content:center;margin-bottom:26px}
.logo-standalone img{height:67px;width:auto}
.auth-brand{
  position:relative;overflow:hidden;color:#fff;padding:6vw;display:flex;flex-direction:column;
  justify-content:center;gap:22px;
  background:
    radial-gradient(1100px 560px at 85% -10%,rgba(255,127,65,.28),transparent 60%),
    linear-gradient(160deg,#0b1130 0%,#1c1440 45%,#33195a 100%);
}
.auth-brand .logo-plate{background:transparent;display:inline-flex;align-items:center;width:fit-content}
.auth-brand .logo-plate img{height:71px;width:auto;display:block;filter:drop-shadow(0 2px 8px rgba(0,0,0,.45))}
.auth-brand h1{font-size:clamp(30px,4vw,50px);line-height:1.12;margin:0;font-weight:800}
.auth-brand h1 .hl{color:#ffb435}
.auth-brand p{color:rgba(255,255,255,.75);max-width:480px;font-size:16px;margin:0}
.auth-panel{display:flex;align-items:center;justify-content:center;padding:40px}
.auth-card{width:min(400px,100%)}
.brand-logo-mobile{display:none;margin-bottom:26px}
.brand-logo-mobile img{height:67px;width:auto}
h2{font-size:24px;font-weight:700;color:var(--gray-900);margin:0 0 6px}
.sub{color:var(--gray-500);margin:0 0 26px;font-size:14px}
.field{display:grid;gap:7px;margin:16px 0}
.field label{font-weight:600;font-size:13px;color:var(--gray-700)}
.field input,.field select,.filters input,.filters select{
  width:100%;border:1px solid var(--gray-300);border-radius:var(--radius-md);padding:11px 14px;
  background:var(--surface);color:var(--gray-900);outline:none;transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.filters input:focus,.filters select:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px var(--brand-50)}
.btn{border:0;border-radius:var(--radius-md);padding:11px 18px;font-weight:650;cursor:pointer;font-size:14px;transition:filter .15s,background .15s}
.btn-primary{background:linear-gradient(90deg,var(--brand-600),var(--brand-500));color:#fff;width:100%;box-shadow:var(--shadow-xs)}
.btn-primary:hover{filter:brightness(.94)}
.btn-ghost{background:var(--surface);border:1px solid var(--gray-300);color:var(--gray-700)}
.btn-ghost:hover{background:var(--gray-50)}
.form-foot{display:flex;justify-content:space-between;margin-top:16px;font-size:13px}
.form-foot a{font-weight:600;text-decoration:none}
.form-foot a:hover{text-decoration:underline}
.message{display:none;border-radius:var(--radius-md);padding:11px 14px;margin:14px 0;font-size:13px;font-weight:550}
.message.show{display:block}
.message.error{background:var(--error-50);color:var(--error-700)}
.message.ok{background:var(--success-50);color:var(--success-700)}

/* ---------- shell do app ---------- */
.app{min-height:100vh;display:grid;grid-template-columns:268px 1fr}
.sidebar{background:var(--surface);border-right:1px solid var(--gray-200);position:sticky;top:0;height:100vh;display:flex;flex-direction:column;padding:20px 12px}
.sidebar .logo{display:flex;align-items:center;padding:6px 10px 22px}
.sidebar .logo img{height:75px;width:auto}
.nav-label{font-size:11px;color:var(--gray-400);text-transform:uppercase;letter-spacing:.07em;font-weight:700;padding:16px 12px 8px}
.nav-item{display:flex;align-items:center;gap:10px;color:var(--gray-600);text-decoration:none;font-size:14px;font-weight:500;padding:10px 12px;border-radius:var(--radius-md);margin:2px 0;transition:background .15s,color .15s}
.nav-item svg{width:18px;height:18px;flex-shrink:0;color:var(--gray-400);transition:color .15s}
.nav-item:hover{background:var(--gray-50);color:var(--gray-900)}
.nav-item:hover svg{color:var(--gray-600)}
.nav-item.active{background:var(--brand-50);color:var(--brand-700);font-weight:650}
.nav-item.active svg{color:var(--brand-600)}
.content{min-width:0}
.topbar{height:72px;background:var(--surface);border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:3}
.topbar strong{display:block;font-size:16px;color:var(--gray-900)}
.topbar small{color:var(--gray-500);font-size:13px}
.topbar>div:last-child{display:flex;align-items:center;gap:14px;color:var(--gray-600);font-size:14px}
#user-name{font-weight:650;color:var(--gray-800)}
main{padding:28px 28px 56px;max-width:1600px;margin:auto}
.page-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:24px;gap:16px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:26px;color:var(--gray-900)}
.page-head p{margin:5px 0 0;color:var(--gray-500);font-size:14px}

/* ---------- métricas ---------- */
.cards{display:grid;grid-template-columns:repeat(6,minmax(150px,1fr));gap:18px;margin-bottom:24px}
.card{background:var(--surface);border:1px solid var(--gray-200);border-radius:var(--radius-2xl);padding:20px;box-shadow:var(--shadow-sm)}
.metric{display:flex;flex-direction:column;gap:14px}
.metric-icon{width:42px;height:42px;border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;background:var(--gray-100);color:var(--gray-600)}
.metric-icon svg{width:22px;height:22px}
.metric.ok .metric-icon{background:var(--success-50);color:var(--success-600)}
.metric.warn .metric-icon{background:var(--warning-50);color:var(--warning-600)}
.metric.danger .metric-icon{background:var(--error-50);color:var(--error-600)}
.metric .label{color:var(--gray-500);font-size:13px;font-weight:650}
.metric .value{font-size:28px;font-weight:700;color:var(--gray-900);line-height:1.1}

/* ---------- painel / tabela ---------- */
.panel{background:var(--surface);border:1px solid var(--gray-200);border-radius:var(--radius-2xl);box-shadow:var(--shadow-sm);overflow:hidden}
.panel-head{padding:20px 24px;border-bottom:1px solid var(--gray-100);display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.panel-head h3{margin:0;font-size:16px;color:var(--gray-900);font-weight:650}
.filters{display:grid;grid-template-columns:minmax(220px,2fr) minmax(150px,1fr) minmax(120px,.7fr);gap:10px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:14px 20px;border-bottom:1px solid var(--gray-100);white-space:nowrap}
th{font-size:11px;color:var(--gray-500);text-transform:uppercase;letter-spacing:.05em;font-weight:700;background:var(--gray-50)}
td{font-size:14px;color:var(--gray-700)}
tbody tr{cursor:pointer}
tbody tr:hover{background:var(--brand-50)}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:650;background:var(--gray-100);color:var(--gray-600)}
.badge.CONCLUIDO,.badge.ASSINADO,.badge.ARQUIVANDO{background:var(--success-50);color:var(--success-700)}
.badge.CADASTRO_PENDENTE,.badge.NAO_ENVIADO{background:var(--warning-50);color:var(--warning-700)}
.badge.ERRO_TECNICO{background:var(--error-50);color:var(--error-700)}
.badge.AGUARDANDO_ASSINATURAS{background:var(--info-50);color:var(--info-700)}
.badge.ENVIADO,.badge.PRONTO_ENVIO{background:var(--brand-50);color:var(--brand-700)}
.error-text{color:var(--error-700);max-width:300px;overflow:hidden;text-overflow:ellipsis}
.empty{padding:48px;text-align:center;color:var(--gray-500)}
.pagination{display:flex;align-items:center;justify-content:center;gap:16px;padding:16px 20px;border-top:1px solid var(--gray-100)}
.pagination button:disabled{opacity:.4;cursor:not-allowed}
.pagination span{color:var(--gray-500);font-size:13px}

/* ---------- diagrama de fluxos n8n ---------- */
.flow-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 24px;border-bottom:1px solid var(--gray-100);flex-wrap:wrap;background:var(--gray-25)}
.flow-toolbar select{min-width:280px}
.flow-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--gray-500)}
.flow-legend span{display:inline-flex;align-items:center;gap:6px}
.flow-legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.flow-diagram-wrap{overflow:auto;background:var(--gray-25);min-height:440px}
.flow-diagram-wrap svg{display:block}
.drive-toolbar{padding:15px 18px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;gap:14px}
.drive-breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px}
.drive-breadcrumb a{color:var(--gray-500);text-decoration:none}
.drive-breadcrumb a:hover{color:var(--brand-600)}
.drive-breadcrumb .crumb-sep{width:14px;height:14px;color:var(--gray-400)}
.drive-breadcrumb .crumb-current{color:var(--gray-900);font-weight:650}
.drive-search-wrap{position:relative;min-width:260px}
.drive-search-wrap svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--gray-400);pointer-events:none}
#drive-search{width:100%;border:1px solid var(--gray-300);border-radius:var(--radius-md);padding:9px 12px 9px 34px;background:var(--surface);color:var(--gray-900);outline:none;font-size:13px}
#drive-search:focus{border-color:var(--brand-500);box-shadow:0 0 0 4px var(--brand-50)}
.drive-wrap{overflow:auto;min-height:300px}
.drive-wrap tbody tr{cursor:pointer}
.drive-wrap tbody tr:hover{background:var(--brand-50)}
.drive-wrap tbody tr.is-active{background:var(--brand-50)}
.drive-visualizar-flag{display:inline-flex;align-items:center;gap:6px;color:var(--gray-500);font-weight:600}
.drive-visualizar-flag .flag-icon{width:14px;height:14px;flex-shrink:0}
.drive-wrap tbody tr.is-active .drive-visualizar-flag{color:var(--brand-600)}
.drive-wrap tbody tr.is-active .flag-icon path{fill:var(--brand-100)}
#drive-preview:empty{display:none}
.drive-preview-head{padding:14px 18px;border-top:1px solid var(--gray-200);font-weight:650;font-size:13px;color:var(--gray-700)}
#drive-preview iframe{width:100%;height:70vh;border:0;display:block}
.flow-node rect{stroke-width:1.5;rx:8}
.flow-node text{font-size:11px;fill:#fff;font-weight:650}
.flow-node .flow-node-type{font-size:9px;fill:#ffffffcc;font-weight:500}
.flow-empty{padding:64px;text-align:center;color:var(--gray-500)}

/* ---------- modal de detalhes ---------- */
dialog{border:0;border-radius:var(--radius-2xl);padding:0;width:min(680px,calc(100% - 30px));box-shadow:var(--shadow-lg);background:var(--surface);color:var(--gray-800)}
dialog::backdrop{background:rgba(16,24,40,.55)}
.drawer-head{padding:22px 24px;border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between}
.drawer-head strong{color:var(--gray-900);font-size:16px}
.drawer-body{padding:22px 24px;max-height:70vh;overflow:auto}
.drawer-body h3{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--gray-500);margin:20px 0 6px}
.timeline{border-left:2px solid var(--gray-200);margin:15px 8px;padding-left:22px}
.event{position:relative;margin:0 0 20px}
.event:before{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--brand-500);left:-28px;top:5px}
.event small{color:var(--gray-500)}

@media(max-width:1100px){.cards{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){
  .auth-shell{grid-template-columns:1fr}
  .auth-brand{display:none}
  .brand-logo-mobile{display:block}
  .app{grid-template-columns:1fr}
  .sidebar{display:none}
  .cards{grid-template-columns:repeat(2,1fr)}
  main{padding:18px 14px}
  .topbar{padding:0 15px}
  .filters{grid-template-columns:1fr}
  .panel-head{align-items:stretch;flex-direction:column}
}