/* RC2 Contábil — Calculadora do Simples Nacional */
:root {
  --navy-900: #041F45;
  --navy-800: #062F66;
  --navy-700: #0B3D80;
  --navy-600: #1A5199;
  --navy-100: #E6EDF7;
  --navy-50:  #F2F6FB;
  --accent:   #1E9E6A;
  --accent-700: #167A52;
  --ink:      #14213D;
  --ink-2:    #43506B;
  --ink-3:    #6B778F;
  --line:     #DCE3EE;
  --bg:       #F4F6FA;
  --surface:  #FFFFFF;
  --warn-bg:  #FFF7E6;
  --warn-line:#F2C572;
  --warn-ink: #7A4B00;
  --err-bg:   #FDECEC;
  --err-line: #F0A5A5;
  --err-ink:  #8A1C1C;
  --ok-bg:    #E8F6EF;
  --ok-ink:   #0F5E3E;
  --radius:   14px;
  --radius-sm: 9px;
  --shadow:   0 1px 2px rgba(4, 31, 69, .06), 0 6px 20px rgba(4, 31, 69, .06);
  --font: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
}
img { max-width: 100%; height: auto; }
a { color: var(--navy-700); }
a:hover { color: var(--navy-900); }
h1, h2, h3 { line-height: 1.2; margin: 0; color: var(--navy-900); }
p { margin: 0; }
[hidden] { display: none !important; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
@media (max-width: 480px) { .container { padding: 0 16px; } }

.skip-link {
  position: absolute; left: -9999px; top: 8px; z-index: 100;
  background: var(--navy-800); color: #fff; padding: 8px 14px; border-radius: 8px;
}
.skip-link:focus { left: 8px; }

:focus-visible { outline: 3px solid #5B9BFF; outline-offset: 2px; }

/* ---------- Topbar ---------- */
.topbar { background: var(--surface); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy-800); }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__text strong { font-size: 1.15rem; letter-spacing: .02em; color: var(--navy-800); }
.brand__text small { color: var(--ink-3); font-size: .8rem; }
.topbar__nav { display: flex; align-items: center; gap: 22px; }
.topbar__nav a:not(.btn) { color: var(--ink-2); text-decoration: none; font-weight: 500; font-size: .95rem; }
.topbar__nav a:not(.btn):hover { color: var(--navy-800); }
@media (max-width: 760px) {
  .topbar__nav a:not(.btn) { display: none; }
  .brand__text small { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(900px 300px at 85% -10%, rgba(91, 155, 255, .25), transparent 60%),
    linear-gradient(135deg, var(--navy-900), var(--navy-800) 55%, var(--navy-700));
  color: #fff;
  padding: 48px 0 76px;
}
.hero h1 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -.01em; margin: 6px 0 12px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: .78rem; font-weight: 600; color: #A9C6F0; }
.hero__lead { max-width: 720px; color: #D6E2F5; font-size: 1.06rem; }
.hero__badges { list-style: none; padding: 0; margin: 20px 0 0; display: flex; flex-wrap: wrap; gap: 8px; }
.hero__badges li {
  font-size: .82rem; font-weight: 500; padding: 5px 12px; border-radius: 999px;
  background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .22); color: #EAF1FB;
}

/* ---------- Notices ---------- */
.notice {
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid; border-radius: var(--radius-sm); padding: 14px 16px; font-size: .93rem;
}
.notice--warning { background: var(--warn-bg); border-color: var(--warn-line); color: var(--warn-ink); }
.notice--error { background: var(--err-bg); border-color: var(--err-line); color: var(--err-ink); }
.notice--info { background: var(--navy-50); border-color: var(--navy-100); color: var(--navy-900); }
.notice--ok { background: var(--ok-bg); border-color: #A7DCC3; color: var(--ok-ink); }
.notice__icon { width: 22px; height: 22px; flex: none; margin-top: 1px; }
.notice ul { margin: 6px 0 0; padding-left: 18px; }
.container > .notice--warning { margin-top: -44px; position: relative; z-index: 2; box-shadow: var(--shadow); }

/* ---------- Abas simples / completa ---------- */
.modos { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 20px; }
.modos__tab {
  font: inherit; text-align: left; cursor: pointer;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 12px 16px; display: flex; flex-direction: column; gap: 2px;
  box-shadow: var(--shadow); transition: border-color .15s, background .15s;
}
.modos__tab strong { color: var(--navy-900); font-size: 1rem; }
.modos__tab span { color: var(--ink-3); font-size: .82rem; }
.modos__tab:hover { border-color: #A9B7CC; }
.modos__tab[aria-selected="true"] { border: 2px solid var(--navy-800); background: var(--navy-50); padding: 11px 15px; }
.modos__tab[aria-selected="true"] strong { color: var(--navy-800); }
@media (max-width: 560px) { .modos__tab span { display: none; } }

.atividade-box { margin-bottom: 18px; }
.btn--inline { display: inline; padding: 0; font-size: inherit; font-weight: 600; vertical-align: baseline; }

/* ---------- Layout ---------- */
.layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 24px;
  align-items: start; margin-top: 24px; margin-bottom: 40px;
}
.col-form { display: grid; gap: 24px; min-width: 0; }
.col-result { position: sticky; top: 92px; min-width: 0; }
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .col-result { position: static; }
}

/* ---------- Cards ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
@media (max-width: 480px) { .card { padding: 18px; } }
.card__head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.card__head h2 { font-size: 1.2rem; }
.card__sub { color: var(--ink-3); font-size: .9rem; margin-top: 3px; }
.muted { color: var(--ink-3); font-weight: 400; font-size: .9em; }
.step {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700;
  background: var(--navy-800); color: #fff;
}
.step--light { background: var(--navy-100); color: var(--navy-800); }

.card--result { border-top: 4px solid var(--navy-800); }

/* ---------- Forms ---------- */
.label { display: block; font-weight: 600; font-size: .88rem; color: var(--ink-2); margin-bottom: 6px; }
.input, select.input {
  width: 100%; font: inherit; color: var(--ink);
  background: #fff; border: 1px solid #C8D2E1; border-radius: var(--radius-sm);
  padding: 10px 12px; min-height: 44px;
  transition: border-color .15s, box-shadow .15s;
}
.input:hover { border-color: #A9B7CC; }
.input:focus { outline: none; border-color: var(--navy-600); box-shadow: 0 0 0 3px rgba(26, 81, 153, .18); }
.input[aria-invalid="true"] { border-color: #D14343; box-shadow: 0 0 0 3px rgba(209, 67, 67, .12); }
.input--lg { font-size: 1.1rem; letter-spacing: .03em; font-family: var(--mono); }
.money { text-align: right; font-variant-numeric: tabular-nums; }
select.input { appearance: none; padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-3) 50%), linear-gradient(135deg, var(--ink-3) 50%, transparent 50%);
  background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }
.hint { color: var(--ink-3); font-size: .82rem; margin-top: 6px; }
.field { margin: 0 0 18px; min-width: 0; }
fieldset.field { border: 0; padding: 0; }
.field-status { min-height: 1.3em; font-size: .88rem; margin-top: 8px; font-weight: 500; }
.field-status.is-error { color: var(--err-ink); }
.field-status.is-ok { color: var(--ok-ink); }

.input-row { display: flex; gap: 10px; }
.input-row .input { flex: 1; min-width: 0; }
@media (max-width: 420px) { .input-row { flex-direction: column; } }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 18px; }
.span-all { grid-column: 1 / -1; margin: -8px 0 18px; }
@media (max-width: 680px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.segmented { display: flex; background: var(--navy-50); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 3px; }
.segmented label { flex: 1; position: relative; cursor: pointer; }
.segmented input { position: absolute; opacity: 0; inset: 0; cursor: pointer; }
.segmented span { display: block; text-align: center; padding: 8px 6px; border-radius: 7px; font-size: .88rem; font-weight: 500; color: var(--ink-2); }
.segmented input:checked + span { background: #fff; color: var(--navy-800); box-shadow: 0 1px 3px rgba(4, 31, 69, .15); font-weight: 600; }
.segmented input:focus-visible + span { outline: 3px solid #5B9BFF; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: inherit; font-weight: 600; font-size: .95rem; cursor: pointer; text-decoration: none;
  border: 1px solid transparent; border-radius: var(--radius-sm); padding: 10px 18px; min-height: 44px;
  transition: background .15s, border-color .15s, color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .6; cursor: progress; }
.btn--primary { background: var(--navy-800); color: #fff; }
.btn--primary:hover { background: var(--navy-900); color: #fff; }
.btn--secondary { background: #fff; color: var(--navy-800); border-color: #C8D2E1; }
.btn--secondary:hover { border-color: var(--navy-700); }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-700); color: #fff; }
.btn--ghost-light { border-color: var(--navy-800); color: var(--navy-800); padding: 8px 14px; min-height: 40px; font-size: .88rem; }
.btn--ghost-light:hover { background: var(--navy-800); color: #fff; }
.btn--link { background: none; border: 0; color: var(--navy-700); padding: 6px 0; min-height: 0; }
.btn--link:hover { text-decoration: underline; }
.btn--lg { padding: 13px 24px; font-size: 1rem; }
.btn--icon { width: 40px; min-height: 40px; padding: 0; background: #fff; border-color: var(--line); color: var(--ink-3); }
.btn--icon:hover { color: var(--err-ink); border-color: var(--err-line); }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.spinner { width: 16px; height: 16px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Empresa ---------- */
.empresa { margin-top: 18px; border-top: 1px dashed var(--line); padding-top: 18px; display: grid; gap: 14px; }
.empresa__nome { font-size: 1.1rem; font-weight: 700; color: var(--navy-900); }
.empresa__fantasia { color: var(--ink-3); font-size: .9rem; }
.dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px 18px; margin: 0; }
.dl div { min-width: 0; }
.dl dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-3); font-weight: 600; }
.dl dd { margin: 2px 0 0; font-weight: 500; overflow-wrap: anywhere; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { display: inline-block; font-size: .78rem; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--navy-100); color: var(--navy-800); white-space: nowrap; }
.tag--ok { background: var(--ok-bg); color: var(--ok-ink); }
.tag--warn { background: var(--warn-bg); color: var(--warn-ink); }
.tag--err { background: var(--err-bg); color: var(--err-ink); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--navy-50); color: var(--ink-2); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.cnae-code { font-family: var(--mono); font-size: .82rem; white-space: nowrap; }
.cnae-obs { display: block; color: var(--ink-3); font-size: .78rem; margin-top: 2px; }

/* ---------- Linhas de receita ---------- */
.receitas { margin-top: 6px; border-top: 1px solid var(--line); padding-top: 18px; }
.receitas__head h3 { font-size: 1rem; }
.linhas { display: grid; gap: 12px; margin: 14px 0 6px; }
.linha {
  display: grid; gap: 10px 12px; align-items: end;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 160px 40px;
  background: var(--navy-50); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px;
}
.linha .field { margin: 0; }
.linha .field--cnae { grid-column: 1 / -1; }
.linha .label { font-size: .78rem; }
.linha__obs { grid-column: 1 / -1; font-size: .8rem; color: var(--ink-3); margin-top: -2px; }
.linha__obs:empty { display: none; }
@media (max-width: 700px) {
  .linha { grid-template-columns: 1fr 1fr; }
  .linha .btn--icon { justify-self: end; }
}
@media (max-width: 480px) { .linha { grid-template-columns: 1fr; } }

/* ---------- Resultado ---------- */
.placeholder { text-align: center; color: var(--ink-3); padding: 20px 10px 8px; }
.placeholder svg { width: 56px; height: 56px; color: var(--navy-600); opacity: .55; margin-bottom: 8px; }
.total {
  background: linear-gradient(135deg, var(--navy-800), var(--navy-700)); color: #fff;
  border-radius: var(--radius-sm); padding: 18px 20px; margin-bottom: 16px;
}
.total__label { font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; color: #BFD3F2; }
.total__valor { font-size: clamp(1.9rem, 5vw, 2.3rem); font-weight: 700; letter-spacing: -.01em; font-variant-numeric: tabular-nums; margin: 2px 0; }
.total__meta { font-size: .88rem; color: #D6E2F5; }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.kpi { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.kpi__label { font-size: .74rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-3); font-weight: 600; }
.kpi__valor { font-weight: 700; font-size: 1.05rem; color: var(--navy-900); font-variant-numeric: tabular-nums; }
.res-section { margin-top: 18px; }
.res-section h3 { font-size: .95rem; margin-bottom: 8px; }
.bars { display: grid; gap: 8px; }
.bar { display: grid; grid-template-columns: 64px 1fr auto; align-items: center; gap: 10px; font-size: .86rem; }
.bar__track { height: 8px; background: var(--navy-50); border-radius: 99px; overflow: hidden; }
.bar__fill { display: block; height: 100%; background: var(--navy-600); border-radius: 99px; }
.bar__fill--fora { background: #B8C3D4; }
.bar__nome { font-weight: 600; color: var(--ink-2); }
.bar__valor { font-variant-numeric: tabular-nums; text-align: right; }
.bar__valor small { display: block; color: var(--ink-3); font-size: .74rem; }
.memoria { font-family: var(--mono); font-size: .8rem; background: var(--navy-50); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
.stack { display: grid; gap: 10px; }
.res-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.res-actions .btn { flex: 1; }
.disclaimer-mini { font-size: .78rem; color: var(--ink-3); margin-top: 14px; border-top: 1px solid var(--line); padding-top: 12px; }
.fr-box .fr-meter { height: 10px; background: var(--navy-50); border-radius: 99px; position: relative; margin: 10px 0 4px; overflow: hidden; }
.fr-box .fr-meter span { display: block; height: 100%; background: var(--accent); }
.fr-box .fr-meter--baixo span { background: #D98A1E; }
.fr-scale { display: flex; justify-content: space-between; font-size: .74rem; color: var(--ink-3); }

/* ---------- Info / accordions ---------- */
.info { margin-top: 12px; margin-bottom: 36px; }
.info > h2 { font-size: 1.45rem; margin-bottom: 16px; }
.info__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; margin-bottom: 18px; }
.info__item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.info__item h3 { font-size: 1rem; margin-bottom: 6px; }
.info__item p { color: var(--ink-2); font-size: .92rem; }
.formula { font-family: var(--mono); font-size: .8rem !important; background: var(--navy-50); border-radius: 8px; padding: 8px 10px; margin-bottom: 8px; color: var(--navy-900) !important; }
.acc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 10px; }
.acc summary { cursor: pointer; padding: 14px 18px; font-weight: 600; color: var(--navy-900); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary::after { content: "+"; font-size: 1.3rem; color: var(--ink-3); font-weight: 400; line-height: 1; }
.acc[open] summary::after { content: "−"; }
.acc > :not(summary) { padding: 0 18px 16px; color: var(--ink-2); font-size: .94rem; }
.acc ul { margin: 0; padding-left: 36px; }
.acc li { margin-bottom: 4px; }
.tabelas { display: grid; gap: 18px; }
.tabelas h3 { font-size: .98rem; margin-bottom: 8px; }

/* ---------- CTA / footer ---------- */
.cta { margin-bottom: 40px; }
.cta__box {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  background: linear-gradient(135deg, var(--navy-900), var(--navy-800)); color: #fff;
  border-radius: var(--radius); padding: 28px 32px;
}
.cta__actions { display: flex; gap: 10px; flex-wrap: wrap; }
.btn--ghost-dark { border-color: rgba(255, 255, 255, .45); color: #fff; }
.btn--ghost-dark:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.cta__box h2 { color: #fff; font-size: 1.35rem; margin-bottom: 6px; }
.cta__box p { color: #D6E2F5; max-width: 620px; }
.footer { background: var(--navy-900); color: #BFD0EA; padding: 28px 0; font-size: .88rem; }
.footer__inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer__brand { display: flex; gap: 12px; align-items: center; }
.footer__brand img { background: #fff; border-radius: 10px; padding: 3px; }
.footer__brand strong { color: #fff; }
.footer a { color: #fff; }
.footer__legal { max-width: 560px; color: #9FB3D3; font-size: .82rem; }

/* ---------- Impressão ---------- */
.print-only { display: none; }
@media print {
  @page { margin: 14mm; }
  body { background: #fff; font-size: 11pt; }
  .topbar, .hero, .modos, .col-form, .info, .cta, .footer, .skip-link, .res-actions, .container > .notice--warning { display: none !important; }
  .layout { display: block; margin: 0; }
  .col-result { position: static; }
  .card { box-shadow: none; border: 0; padding: 0; }
  .print-only { display: block; }
  .print-head { display: flex; align-items: center; gap: 12px; border-bottom: 2px solid var(--navy-800); padding-bottom: 10px; margin-bottom: 14px; }
  .print-head img { width: 48px; height: 48px; }
  .total { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .bar__fill, .fr-meter span { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}