/* =========================================================
   Identidade visual RB — Rafael Beatto
   Tokens no :root (tema escuro, padrão) e em [data-theme="light"].
   Componentes usam apenas os tokens; não use cores soltas.
   ========================================================= */
:root {
  color-scheme: dark;
  /* Base */
  --rb-bg: #0A0A0A;
  --rb-surface: #111111;
  --rb-surface-2: #181818;
  --rb-border: #252525;
  --rb-border-strong: #3A3A3A;
  --rb-text: #F5F5F5;
  --rb-text-2: #A0A0A0;
  --rb-muted: #888888;
  --rb-disabled: #555555;
  /* Destaque (uso restrito: ação, estado ativo, indicador) */
  --rb-blue: #3B82F6;
  --rb-blue-soft: rgba(59, 130, 246, .14);
  /* Estados */
  --rb-error: #F87171;
  --rb-error-soft: rgba(248, 113, 113, .10);
  --rb-warning: #D0D0D0;
  /* Botão principal (invertido) */
  --rb-primary-bg: #FFFFFF;
  --rb-primary-text: #000000;
  --rb-primary-hover: #EAEAEA;
  /* Séries do gráfico (lidas também pelo canvas) */
  --rb-series-1: #3B82F6;
  --rb-series-2: #F5F5F5;
  --rb-series-3: #888888;
  --rb-series-4: #5A5A5A;
  --rb-grid: #1F1F1F;
  /* Forma e movimento */
  --rb-radius-sm: 6px;
  --rb-radius-md: 10px;
  --rb-transition: 160ms ease;
  --rb-font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --rb-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, monospace;
}
:root[data-theme="light"] {
  color-scheme: light;
  --rb-bg: #FFFFFF;
  --rb-surface: #F7F7F7;
  --rb-surface-2: #EFEFEF;
  --rb-border: #E5E5E5;
  --rb-border-strong: #D0D0D0;
  --rb-text: #111111;
  --rb-text-2: #555555;
  --rb-muted: #666666;
  --rb-disabled: #AAAAAA;
  --rb-blue: #2563EB;
  --rb-blue-soft: rgba(37, 99, 235, .10);
  --rb-error: #DC2626;
  --rb-error-soft: rgba(220, 38, 38, .07);
  --rb-warning: #444444;
  --rb-primary-bg: #111111;
  --rb-primary-text: #FFFFFF;
  --rb-primary-hover: #000000;
  --rb-series-1: #2563EB;
  --rb-series-2: #111111;
  --rb-series-3: #888888;
  --rb-series-4: #BBBBBB;
  --rb-grid: #EDEDED;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: var(--rb-bg);
  color: var(--rb-text);
  font: 15px/1.5 var(--rb-font);
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--rb-blue); outline-offset: 2px; }
.icon { width: 16px; height: 16px; flex: 0 0 auto; stroke: currentColor; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Header ---------- */
.topbar {
  padding: 14px max(24px, calc((100vw - 1240px) / 2));
  border-bottom: 1px solid var(--rb-border);
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: var(--rb-bg);
}
.brand { display: flex; gap: 12px; align-items: center; }
/* Logo oficial (PNG branco com fundo transparente); no tema claro vira preto via filtro. */
.brand-mark { display: block; width: auto; height: 27px; }
:root[data-theme="light"] .brand-mark { filter: invert(1); }
.brand-divider { width: 1px; height: 28px; background: var(--rb-border-strong); }
.brand-name { display: grid; font-weight: 600; font-size: 15px; line-height: 1.15; letter-spacing: -.1px; }
.brand-name small { color: var(--rb-muted); font: 500 9px var(--rb-mono); text-transform: uppercase; letter-spacing: 2.6px; }
.top-actions { display: flex; align-items: center; gap: 14px; }
.top-note { color: var(--rb-muted); font: 11px var(--rb-mono); }
.theme-toggle {
  width: 34px; height: 34px; display: grid; place-items: center; padding: 0;
  border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm);
  background: transparent; color: var(--rb-text-2); transition: border-color var(--rb-transition), color var(--rb-transition);
}
.theme-toggle:hover { border-color: var(--rb-border-strong); color: var(--rb-text); }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ---------- Página ---------- */
main { max-width: 1240px; margin: 0 auto; padding: 36px 24px 64px; }
.intro { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: end; margin-bottom: 28px; }
.eyebrow {
  display: flex; align-items: center; gap: 8px;
  color: var(--rb-muted); font: 500 11px var(--rb-mono); text-transform: uppercase; letter-spacing: 1px;
}
/* Microdetalhe de circuito: nó + trilha */
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--rb-blue); }
.eyebrow::after { content: ""; width: 28px; height: 1px; background: var(--rb-border-strong); }
h1 { margin: 10px 0 8px; font: 600 34px/1.1 var(--rb-font); letter-spacing: -.8px; }
.intro p { max-width: 660px; margin: 0; color: var(--rb-text-2); }
.date-stamp {
  padding: 7px 10px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm);
  color: var(--rb-muted); font: 11px var(--rb-mono); white-space: nowrap;
}
.intro-side { display: grid; gap: 10px; justify-items: end; }
.layout { display: grid; grid-template-columns: 360px minmax(0, 1fr); align-items: start; gap: 20px; }
.panel { background: var(--rb-surface); border: 1px solid var(--rb-border); border-radius: var(--rb-radius-md); }
.controls { padding: 22px; }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 0 0 16px; }
h2 { margin: 0; font: 600 18px var(--rb-font); letter-spacing: -.2px; }
h3 { margin: 0; font-size: 14px; font-weight: 600; }
.step { color: var(--rb-muted); font: 11px var(--rb-mono); }

/* ---------- Seletor de modo (tabs) ---------- */
.mode-switch { display: inline-flex; padding: 3px; gap: 2px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); background: var(--rb-surface); }
.mode-switch button {
  min-height: 34px; padding: 6px 16px; border: 0; border-radius: 4px;
  background: transparent; color: var(--rb-text-2); font-weight: 600; font-size: 13px;
  transition: background var(--rb-transition), color var(--rb-transition);
}
.mode-switch button:hover { color: var(--rb-text); }
.mode-switch button[aria-pressed="true"] { background: var(--rb-primary-bg); color: var(--rb-primary-text); }

/* ---------- Formulários ---------- */
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { min-width: 0; display: grid; gap: 6px; }
.field.full { grid-column: 1 / -1; }
label, .label { color: var(--rb-text-2); font-size: 12px; font-weight: 500; }
input, select, textarea {
  width: 100%; min-height: 40px; padding: 9px 11px;
  border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); background: var(--rb-bg);
  color: var(--rb-text); outline: none; transition: border-color var(--rb-transition), box-shadow var(--rb-transition);
}
input[type="number"], textarea, input[type="date"] { font-family: var(--rb-mono); font-size: 14px; }
.field-grid select { font-size: 13px; padding-right: 6px; }
input:hover, select:hover, textarea:hover { border-color: var(--rb-border-strong); }
input:focus, select:focus, textarea:focus { border-color: var(--rb-blue); box-shadow: 0 0 0 3px var(--rb-blue-soft); }
input[type="checkbox"] { width: 16px; min-height: 16px; accent-color: var(--rb-blue); }
.subsection { border-top: 1px solid var(--rb-border); margin-top: 20px; padding-top: 18px; }
.subsection-title { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.hint { margin: 0; color: var(--rb-muted); font-size: 12px; line-height: 1.5; }
.source-actions { display: flex; gap: 6px; align-items: center; }
.button-small, .file-button {
  display: inline-flex; min-height: 32px; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); padding: 5px 10px;
  background: transparent; color: var(--rb-text); font-size: 12px; font-weight: 500; cursor: pointer;
  transition: border-color var(--rb-transition);
}
.button-small .icon, .file-button .icon { width: 14px; height: 14px; }
.button-small:hover, .file-button:hover { border-color: var(--rb-text-2); }
.upload-input { display: none; }
.rate-status { color: var(--rb-muted); font: 11px var(--rb-mono); min-height: 14px; margin-top: 6px; }
.warning-box { border-left: 2px solid var(--rb-warning); padding: 9px 10px; background: var(--rb-surface-2); color: var(--rb-text-2); font-size: 12px; }
.products-config { display: grid; gap: 8px; }
.product-config {
  display: grid; grid-template-columns: 1fr 104px; gap: 9px; align-items: center;
  padding: 8px 10px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); background: var(--rb-bg);
}
.product-config .product-title { display: flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 500; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rb-series-1); flex: 0 0 auto; }
.product-config:nth-child(2) .dot { background: var(--rb-series-2); }
.product-config:nth-child(3) .dot { background: var(--rb-series-3); }
.product-config:nth-child(4) .dot { background: var(--rb-series-4); }
.product-config input { min-height: 34px; padding: 6px 8px; }
details { border-top: 1px solid var(--rb-border); margin-top: 20px; padding-top: 14px; }
summary { cursor: pointer; font-size: 13px; font-weight: 600; color: var(--rb-text); }
summary::marker { color: var(--rb-blue); }
details .field-grid { margin-top: 14px; }
.check-row { display: flex; align-items: center; gap: 7px; min-height: 34px; font-size: 12px; color: var(--rb-text-2); }
.primary {
  width: 100%; min-height: 44px; margin-top: 20px; display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--rb-primary-bg); border-radius: var(--rb-radius-sm);
  background: var(--rb-primary-bg); color: var(--rb-primary-text); font-weight: 600;
  transition: background var(--rb-transition), border-color var(--rb-transition);
}
.primary:hover { background: var(--rb-primary-hover); border-color: var(--rb-primary-hover); }

/* ---------- Resultados ---------- */
.results { min-width: 0; }
.results-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; margin: 3px 0 14px; }
.results-head p { margin: 4px 0 0; color: var(--rb-text-2); font-size: 13px; }
.results-label { color: var(--rb-muted); font: 11px var(--rb-mono); white-space: nowrap; }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.summary-card { min-width: 0; padding: 15px 14px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-md); background: var(--rb-surface); }
.summary-card .summary-name { color: var(--rb-muted); font: 500 10px var(--rb-mono); text-transform: uppercase; letter-spacing: .6px; }
.summary-value { margin-top: 8px; font: 600 19px var(--rb-mono); letter-spacing: -.5px; overflow-wrap: anywhere; }
.summary-meta { margin-top: 4px; color: var(--rb-muted); font-size: 11px; }
.result-panel { margin-top: 12px; padding: 20px; }
.chart-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.chart-title-row span { color: var(--rb-muted); font: 11px var(--rb-mono); }
.chart-wrap { height: 220px; position: relative; }
canvas { width: 100%; height: 100%; display: block; }
.legend { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 10px; color: var(--rb-text-2); font-size: 12px; }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.legend-mark { width: 16px; height: 2px; border-radius: 1px; }
.legend-mark.dashed { background: repeating-linear-gradient(90deg, currentColor 0 4px, transparent 4px 7px) !important; color: var(--rb-muted); }
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 600px; }
th { padding: 9px 8px; text-align: left; color: var(--rb-muted); font: 500 10px var(--rb-mono); text-transform: uppercase; letter-spacing: .5px; border-bottom: 1px solid var(--rb-border); }
td { padding: 12px 8px; border-bottom: 1px solid var(--rb-border); font: 13px var(--rb-mono); white-space: nowrap; }
td:first-child { font-family: var(--rb-font); }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--rb-surface-2); }
.table-product { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; }
.positive { color: var(--rb-text); font-weight: 700; }
.event-list { display: grid; max-height: 240px; overflow: auto; }
.event-row { display: grid; grid-template-columns: 124px 1fr auto; gap: 12px; align-items: start; padding: 9px 0; border-bottom: 1px solid var(--rb-border); font-size: 12px; }
.event-date { color: var(--rb-muted); font: 11px var(--rb-mono); }
.event-amount { font: 600 12px var(--rb-mono); text-align: right; }
.empty-state { padding: 36px 18px; text-align: center; color: var(--rb-text-2); }
.empty-icon {
  width: 40px; height: 40px; margin: 0 auto 12px; display: grid; place-items: center;
  border: 1px solid var(--rb-border-strong); border-radius: var(--rb-radius-sm); color: var(--rb-blue);
}
.empty-icon .icon { width: 18px; height: 18px; }
.empty-state strong { display: block; color: var(--rb-text); font-size: 16px; font-weight: 600; }
.empty-state p { max-width: 340px; margin: 6px auto 0; font-size: 13px; }
.disclaimer { margin-top: 14px; padding: 12px 14px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-sm); color: var(--rb-muted); font-size: 12px; }
.disclaimer strong { color: var(--rb-text-2); }
.error-message {
  display: none; margin-top: 12px; padding: 10px 12px; border: 1px solid var(--rb-error); border-left-width: 3px;
  border-radius: var(--rb-radius-sm); background: var(--rb-error-soft); color: var(--rb-error); font-size: 13px;
}
.footer { margin-top: 22px; color: var(--rb-muted); text-align: center; font: 11px var(--rb-mono); }

/* ---------- Modo Simples ---------- */
.simple-fields { display: grid; gap: 18px; }
.simple-fields label { font-size: 14px; color: var(--rb-text); }
.simple-fields input, .simple-fields select { min-height: 46px; font-size: 16px; }
.label-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ajuda-btn {
  width: 24px; height: 24px; flex: 0 0 auto; display: grid; place-items: center; padding: 0;
  border: 1px solid var(--rb-border-strong); border-radius: 50%; background: transparent; color: var(--rb-text-2);
  font: 600 12px/1 var(--rb-mono); transition: border-color var(--rb-transition), color var(--rb-transition);
}
.ajuda-btn:hover, .ajuda-btn:focus-visible { border-color: var(--rb-blue); color: var(--rb-blue); }
.money-input, .term-input { display: flex; align-items: center; gap: 8px; }
.money-input span { color: var(--rb-muted); font: 500 13px var(--rb-mono); }
.money-input .suffix { white-space: nowrap; }
.term-input input, .term-input select { flex: 1 1 50%; }
.big-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.big-card { min-width: 0; padding: 18px 16px; border: 1px solid var(--rb-border); border-radius: var(--rb-radius-md); background: var(--rb-surface); }
.big-card.final { border-color: var(--rb-blue); box-shadow: inset 0 2px 0 var(--rb-blue); }
.big-name { display: flex; align-items: center; gap: 7px; color: var(--rb-text-2); font-size: 13px; font-weight: 500; }
.big-card.final .big-name::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--rb-blue); }
.big-value { margin-top: 8px; font: 600 25px/1.15 var(--rb-mono); letter-spacing: -1px; overflow-wrap: anywhere; }
.big-card.gain .big-value { color: var(--rb-blue); }
.big-meta { margin-top: 5px; color: var(--rb-muted); font-size: 12px; }
.plain-explain { margin: 16px 2px 0; font-size: 15px; color: var(--rb-text); }
.breakdown { list-style: none; margin: 0; padding: 0; }
.breakdown li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--rb-border); font-size: 14px; color: var(--rb-text-2); }
.breakdown li strong { color: var(--rb-text); font: 600 14px var(--rb-mono); }
.breakdown li:last-child { border-bottom: 0; }
.breakdown li.total { color: var(--rb-text); font-weight: 600; }
.breakdown li.total strong { color: var(--rb-blue); }
.breakdown small { display: block; color: var(--rb-muted); font: 400 11px var(--rb-font); text-align: right; }
.simple-details { margin-top: 12px; }
.simple-details summary { font-size: 14px; }
.detail-list { display: grid; grid-template-columns: max-content 1fr; gap: 9px 18px; margin: 16px 0 8px; font-size: 13px; }
.detail-list dt { color: var(--rb-muted); font-weight: 500; }
.detail-list dd { margin: 0; }
.detail-list small { color: var(--rb-muted); }

/* ---------- Modal ---------- */
.help-modal {
  width: min(420px, calc(100vw - 32px)); padding: 22px; border: 1px solid var(--rb-border-strong); border-radius: var(--rb-radius-md);
  background: var(--rb-surface); color: var(--rb-text);
}
.help-modal[open] { animation: rb-in 160ms ease; }
.help-modal::backdrop { background: rgba(0, 0, 0, .6); }
.help-modal h3 { margin-bottom: 12px; font-size: 17px; font-weight: 600; }
.help-modal p { margin: 0 0 10px; font-size: 14px; color: var(--rb-text-2); }
.help-modal p strong { color: var(--rb-text); font-weight: 600; }
.help-modal .primary { margin-top: 10px; }
@keyframes rb-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* ---------- Responsivo ---------- */
@media (max-width: 980px) {
  .layout { grid-template-columns: 320px minmax(0, 1fr); gap: 15px; }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .summary-value { font-size: 17px; }
}
@media (max-width: 760px) {
  main { padding: 26px 16px 44px; }
  .topbar { padding: 12px 16px; }
  .top-note { display: none; }
  .intro { grid-template-columns: 1fr; gap: 14px; }
  .intro-side { justify-items: start; }
  h1 { font-size: 28px; }
  .layout { grid-template-columns: 1fr; }
  .controls { padding: 18px; }
  .results-head { align-items: start; flex-direction: column; }
  .results-label { white-space: normal; }
  .result-panel { padding: 16px; }
  .chart-wrap { height: 190px; }
  .big-grid { grid-template-columns: 1fr; }
  .big-card { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 2px 12px; padding: 14px 16px; }
  .big-value { margin-top: 0; font-size: 22px; }
  .big-meta { flex-basis: 100%; margin-top: 0; }
  .detail-list { grid-template-columns: 1fr; gap: 2px; }
  .detail-list dd { margin-bottom: 10px; }
}
@media (max-width: 380px) {
  .field-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .summary-card { padding: 12px 10px; }
  .summary-value { font-size: 15px; }
}