:root {
  --bg-outer: #0B0B0A;
  --bg: #121212;
  --card: #1C1C1B;
  --field: #262624;
  --track: #2A2A28;
  --line: rgba(255,255,255,.07);
  --chip-line: rgba(255,255,255,.1);
  --text: #F2F0EB;
  --text-2: #D8D4CC;
  --text-3: #B5B0A5;
  --muted: #9C988F;
  --muted-2: #77736B;
  --accent: #F2762E;
  --accent-soft: #FF9A5C;
  --accent-ink: #140C06;
  --accent-ink-2: #5C3415;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
  --sans: 'Nunito', system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { background: var(--bg-outer); }
body {
  margin: 0;
  background: var(--bg-outer);
  font-family: var(--sans);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
button { font-family: inherit; }
input { font-family: inherit; }
input:focus { outline: none; }
button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[hidden] { display: none !important; }

.app {
  position: relative;
  max-width: 480px;
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  background: var(--bg);
}
@media (min-width: 520px) {
  .app { box-shadow: 0 0 0 1px var(--line), 0 30px 80px rgba(0,0,0,.6); }
}

.screen { padding-left: 20px; padding-right: 20px; }
.calc { padding-top: calc(env(safe-area-inset-top) + 20px); padding-bottom: calc(env(safe-area-inset-bottom) + 40px); }
.detail { padding-top: calc(env(safe-area-inset-top) + 8px); padding-bottom: calc(env(safe-area-inset-bottom) + 130px); }

/* ---------- Tela 1 ---------- */
.eyebrow { font: 500 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.title { font-size: 30px; font-weight: 700; letter-spacing: -.025em; margin: 4px 0 0; line-height: 1.1; }
.lead { font-size: 14px; color: var(--muted); margin: 6px 0 0; line-height: 1.4; text-wrap: pretty; }

.section-label { font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 24px 0 8px; }
.section-label.inline { margin: 0; }

.card { background: var(--card); border-radius: 18px; border: 1px solid var(--line); overflow: hidden; }
.card.pad { padding: 16px; }

.row { display: flex; align-items: center; gap: 10px; padding: 13px 16px; cursor: text; min-height: 30px; }
.row.line { border-top: 1px solid var(--line); }
.row-text { flex: 1; min-width: 0; }
.row-label { font-size: 15px; }
.row-hint { font-size: 12px; color: var(--muted-2); margin-top: 1px; }
.prefix { font-size: 14px; color: var(--muted-2); }
.suffix { font-size: 14px; color: var(--muted-2); width: 12px; }
.num-input {
  border: none; background: var(--field); border-radius: 8px; text-align: right;
  width: 76px; font-size: 16px; font-weight: 600; color: var(--text);
  padding: 7px 8px; font-variant-numeric: tabular-nums;
}
.num-input:focus { box-shadow: 0 0 0 1px var(--accent); }
.select-input {
  -webkit-appearance: none; appearance: none;
  border: none; background: var(--field) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%239C988F' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 8px center;
  border-radius: 8px; color: var(--text); font: 600 14px var(--sans);
  padding: 8px 24px 8px 10px; max-width: 132px; cursor: pointer;
}
.select-input:focus { box-shadow: 0 0 0 1px var(--accent); }
.select-input option { background: var(--card); color: var(--text); }
.num-input.sm { width: 62px; font-size: 15px; padding: 7px 6px; }

.row.band { cursor: default; gap: 6px; }
.row.band .row-text { margin-right: 4px; }
.row.band .prefix { margin-left: 6px; }
.in-use { display: none; margin-left: 6px; font: 600 9px var(--mono); text-transform: uppercase; letter-spacing: .06em; background: var(--accent); color: var(--accent-ink); padding: 2px 5px; border-radius: 4px; vertical-align: 2px; }
.row.band.active { background: rgba(242,118,46,.08); }
.row.band.active .in-use { display: inline-block; }
.fee-note { font-size: 12px; color: var(--muted-2); margin: 10px 2px 0; line-height: 1.45; text-wrap: pretty; }

.chip {
  border: 1px solid var(--chip-line); background: var(--card); color: var(--text-2);
  cursor: pointer;
}
.chip.on { border-color: var(--accent); background: rgba(242,118,46,.14); color: var(--accent-soft); }

.tax-presets { display: flex; gap: 6px; padding: 0 16px 14px; flex-wrap: wrap; }
.tax-presets .chip { border-radius: 16px; padding: 5px 10px; font: 500 12px var(--sans); }

.margin-head { display: flex; align-items: baseline; justify-content: space-between; }
.margin-num { display: flex; align-items: baseline; gap: 2px; }
.margin-num .big { font-size: 42px; font-weight: 800; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.margin-num .pct { font-size: 20px; font-weight: 600; color: var(--muted); }
.muted-13 { font-size: 13px; color: var(--muted); }

input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; margin: 14px 0 12px; height: 6px; border-radius: 3px;
  background: linear-gradient(var(--accent), var(--accent)) 0 / var(--fill, 33%) 100% no-repeat, var(--track);
  accent-color: var(--accent);
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg); box-shadow: 0 0 0 1px var(--accent); cursor: pointer;
}
input[type=range]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg); box-shadow: 0 0 0 1px var(--accent); cursor: pointer;
}

.margin-presets { display: flex; gap: 6px; }
.margin-presets .chip { flex: 1; border-radius: 10px; padding: 8px 0; font: 600 13px var(--sans); }

.results-head { display: flex; justify-content: space-between; align-items: baseline; margin: 28px 0 10px; }
.h2 { font-size: 20px; font-weight: 700; letter-spacing: -.02em; }
.sort-btn { border: none; background: transparent; padding: 4px 0; font: 500 11px var(--mono); color: var(--muted); cursor: pointer; }
.sort-btn::after { content: ' ⇅'; }

.market-rows { display: flex; flex-direction: column; gap: 8px; }
.market {
  display: flex; flex-direction: column; gap: 10px; width: 100%; text-align: left;
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 18px; padding: 14px 16px; cursor: pointer; font-family: var(--sans);
  transition: transform .1s ease;
}
.market:active { transform: scale(.985); }
.market.best { border-color: var(--accent); }
.market-top { display: flex; align-items: center; gap: 12px; width: 100%; }
.mono-badge {
  width: 36px; height: 36px; border-radius: 10px; background: var(--field); color: var(--text-3);
  display: flex; align-items: center; justify-content: center; font: 600 12px var(--mono); flex: none;
}
.market.best .mono-badge { background: var(--accent); color: var(--accent-ink); }
.market-info { flex: 1; min-width: 0; }
.market-name-line { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.market-name { font-size: 15px; font-weight: 600; }
.best-tag { font: 600 10px var(--mono); text-transform: uppercase; letter-spacing: .06em; background: var(--accent); color: var(--accent-ink); padding: 3px 6px; border-radius: 5px; }
.fee-text { font-size: 12px; opacity: .65; margin-top: 2px; }
.market-nums { text-align: right; }
.market-price { font-size: 19px; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.market-profit { font-size: 12px; margin-top: 2px; color: var(--accent-soft); font-variant-numeric: tabular-nums; }
.market-profit.neg { color: #FF6B6B; }
.bar-track { height: 4px; border-radius: 2px; background: var(--field); width: 100%; overflow: hidden; }
.bar-fill { height: 100%; background: #4A4844; border-radius: 2px; transition: width .35s ease; }
.market.best .bar-fill { background: var(--accent); }

.invalid { margin-top: 10px; padding: 12px 14px; border-radius: 14px; background: #2A1A12; color: #FFB48A; font-size: 13px; line-height: 1.4; }
.footnote { font-size: 12px; color: var(--muted-2); margin: 14px 0 0; line-height: 1.45; text-wrap: pretty; }

.legal-links { margin: 18px 0 0; font-size: 12px; color: var(--muted-2); }
.legal-links a { color: var(--muted); }

/* ---------- Páginas de texto (privacidade, termos) ---------- */
.doc { padding-top: calc(env(safe-area-inset-top) + 12px); padding-bottom: calc(env(safe-area-inset-bottom) + 40px); }
.doc-back { display: inline-flex; align-items: center; gap: 6px; height: 44px; margin-bottom: 8px; font: 500 15px var(--sans); color: var(--text); text-decoration: none; }
.doc-back .chev { font-size: 22px; line-height: 0; margin-top: -2px; }
.doc-date { font: 500 11px var(--mono); color: var(--muted); margin: 8px 0 0; }
.doc h2 { font-size: 17px; font-weight: 700; letter-spacing: -.01em; margin: 26px 0 6px; }
.doc p, .doc li { font-size: 15px; line-height: 1.55; color: var(--text-2); text-wrap: pretty; }
.doc p { margin: 0 0 10px; }
.doc ul { margin: 0 0 10px; padding-left: 20px; }
.doc li { margin-bottom: 6px; }
.doc a { color: var(--accent-soft); }
.doc strong { color: var(--text); }
mark.todo { background: rgba(242,118,46,.2); color: var(--accent-soft); padding: 0 4px; border-radius: 4px; }

/* ---------- Tela 2 ---------- */
.topbar { display: flex; align-items: center; justify-content: space-between; height: 44px; }
.back-btn { border: none; background: transparent; font: 500 15px var(--sans); color: var(--text); cursor: pointer; padding: 8px 8px 8px 0; display: flex; align-items: center; gap: 6px; }
.back-btn .chev { font-size: 22px; line-height: 0; margin-top: -2px; }
.mono-11 { font: 500 11px var(--mono); color: var(--muted); }

.chips { display: flex; gap: 6px; overflow-x: auto; margin: 4px -20px 0; padding: 0 20px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chips .chip { flex: none; border-radius: 20px; padding: 8px 13px; font: 500 13px var(--sans); white-space: nowrap; }

.hero { margin-top: 14px; border-radius: 26px; padding: 20px; background: var(--accent); color: var(--accent-ink); }
.hero-head { display: flex; justify-content: space-between; align-items: center; }
.hero-eyebrow { font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink-2); }
.hero-sub { font-size: 13px; color: var(--accent-ink-2); }
.hero-price { font-size: 52px; font-weight: 800; letter-spacing: -.035em; margin-top: 6px; font-variant-numeric: tabular-nums; line-height: 1.05; }
.round-btn { display: flex; align-items: center; gap: 10px; border: none; background: transparent; color: var(--accent-ink); padding: 10px 0 0; cursor: pointer; font: 500 13px var(--sans); text-align: left; }
.switch { width: 36px; height: 22px; border-radius: 11px; background: rgba(20,12,6,.25); position: relative; flex: none; transition: background .2s; }
.knob { position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: left .2s; }
.round-btn.on .switch { background: var(--accent-ink); }
.round-btn.on .knob { left: 16px; }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin-top: 16px; padding-top: 14px; border-top: 1px solid rgba(20,12,6,.18); }
.stat-label { font-size: 12px; color: var(--accent-ink-2); }
.stat-value { font-size: 16px; font-weight: 600; margin-top: 3px; font-variant-numeric: tabular-nums; color: var(--accent-ink); }

.seg-bar { display: flex; height: 14px; border-radius: 7px; overflow: hidden; gap: 2px; }
.seg-bar > div { transition: width .35s ease; }
.seg-list { display: flex; flex-direction: column; margin-top: 10px; }
.seg-row { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-top: 1px solid var(--line); }
.seg-row:first-child { border-top-color: transparent; }
.seg-dot { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.seg-label { flex: 1; font-size: 14px; }
.seg-row.profit .seg-label { font-weight: 600; }
.seg-pct { font: 400 12px var(--mono); color: var(--muted-2); width: 44px; text-align: right; }
.seg-val { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; width: 84px; text-align: right; }

.fees-head { display: flex; justify-content: space-between; align-items: baseline; margin: 24px 0 8px; }
.link-btn { border: none; background: transparent; font: 500 12px var(--sans); color: var(--muted); cursor: pointer; padding: 0; text-decoration: underline; }

.formula { margin-top: 16px; padding: 14px 16px; border-radius: 14px; background: var(--card); border: 1px solid var(--line); font: 400 12px/1.6 var(--mono); color: var(--text-3); overflow-wrap: anywhere; }
.formula-title { color: var(--text); font-weight: 500; margin-bottom: 4px; }

.cta-wrap {
  position: fixed; left: 0; right: 0; bottom: 0; max-width: 480px; margin: 0 auto;
  padding: 14px 20px calc(env(safe-area-inset-bottom) + 18px);
  background: linear-gradient(rgba(18,18,18,0), var(--bg) 30%);
}
.cta { width: 100%; height: 54px; border: none; border-radius: 16px; background: var(--accent); color: var(--accent-ink); font: 800 16px var(--sans); cursor: pointer; transition: transform .1s ease; }
.cta:active { transform: scale(.98); }

.toast {
  position: fixed; left: 50%; top: calc(env(safe-area-inset-top) + 20px); transform: translateX(-50%);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 20px;
  font-size: 13px; font-weight: 500; white-space: nowrap; box-shadow: 0 8px 24px rgba(0,0,0,.2); z-index: 10;
}