:root {
  --bg:      #0b0e14;
  --card:    #13171f;
  --card2:   #191e28;
  --border:  #242b3a;
  --accent:  #f0a500;
  --accent2: #d45f00;
  --green:   #22c55e;
  --red:     #ef4444;
  --text:    #dde1eb;
  --muted:   #6b7a94;
  --r:       14px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  padding: 0 0 40px;
}

/* HEADER */
.site-header {
  display: flex;
  justify-content: center;
  padding: 24px 32px;
  background: var(--bg);
}
.site-header img { height: 60px; margin-bottom: 10px; }
.site-header h1 { font-size: 1.15rem; font-weight: 800; color: var(--text); letter-spacing: 0.02em; }
.site-header p  { font-size: 0.75rem; color: var(--muted); margin-top: 2px; }

.header-inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px 32px;
  text-align: center;
}

/* CTA WhatsApp */
.cta-whatsapp {
  text-align: center;
  margin: 12px 0 20px;
}
.cta-whatsapp a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #1a1a2e;
  border: 1px solid #25D366;
  color: #25D366;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 8px;
  text-decoration: none;
}

/* WRAPPER */
.wrapper {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 32px 0;
}

/* MAIN GRID */
.main-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 24px;
  align-items: start;
}

/* CONTROLS */
.controls-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 24px 22px;
  position: sticky;
  top: 24px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.ctrl-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}

.big-num {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  text-align: center;
}
.big-sub {
  font-size: 0.73rem;
  color: var(--muted);
  text-align: center;
  margin-top: 4px;
  margin-bottom: 14px;
}

/* Slider */
input[type=range] {
  -webkit-appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  cursor: pointer;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(240,165,0,.5);
  cursor: pointer;
}
input[type=range]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}
.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 6px;
}

/* Mensalidade / Aluguel */
.msg-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 6px 0 8px;
}
.msg-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: transparent;
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
  flex-shrink: 0;
  line-height: 1;
}
.msg-btn:hover  { background: var(--accent); color: #000; }
.msg-btn:disabled { border-color: var(--border); color: var(--border); cursor: default; }
.msg-btn:disabled:hover { background: transparent; }
.msg-val {
  font-size: 1.85rem;
  font-weight: 900;
  min-width: 115px;
  text-align: center;
  letter-spacing: -0.01em;
}
.prog-bar {
  width: 100%; height: 4px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.prog-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 4px;
  transition: width .3s;
}

/* Result summary */
.result-box {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
}
.rl { font-size: 0.72rem; color: var(--muted); margin-bottom: 3px; }
.rv-fat { font-size: 1.35rem; font-weight: 800; color: var(--accent); }
.rv-liq { font-size: 1.85rem; font-weight: 900; }
.gauge-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--muted);
  margin: 12px 0 5px;
}
.gauge-bar {
  width: 100%; height: 8px;
  background: var(--border);
  border-radius: 5px;
  overflow: hidden;
}
.gauge-fill {
  height: 100%;
  border-radius: 5px;
  transition: width .5s, background .5s;
}
.gauge-sub { font-size: 0.62rem; color: var(--muted); margin-top: 4px; }

/* DRE CARD */
.dre-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

/* Receita top */
.recv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-bottom: 1px solid var(--border);
}
.recv-item {
  padding: 16px 14px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.recv-item:last-child { border-right: none; }
.recv-lbl { font-size: 0.63rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.recv-val { font-size: 1.05rem; font-weight: 800; color: var(--accent); margin-top: 5px; }

/* Section head */
.sec-head {
  background: var(--card2);
  padding: 9px 20px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
}

/* Rows */
.drow {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  padding: 10px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.035);
  font-size: 0.875rem;
  transition: background .12s;
  gap: 12px;
}
.drow:hover { background: rgba(255,255,255,0.022); }
.drow .lbl  { color: rgba(255,255,255,.78); }
.drow .val  { font-weight: 600; color: var(--text); white-space: nowrap; text-align: right; }
.drow .param { font-size: 0.65rem; color: var(--muted); white-space: nowrap; text-align: right; background: rgba(255,255,255,0.05); border-radius: 4px; padding: 2px 7px; border: 1px solid var(--border); min-width: 90px; }
.drow.sal-row { background: rgba(240,165,0,0.04); }
.drow.d-total .lbl { font-weight: 700; }
.drow.d-total .val { color: var(--accent); font-weight: 700; font-size: 0.95rem; }
.drow.d-total .param { visibility: hidden; }
.drow.d-resultado .val { color: var(--green); font-weight: 800; font-size: 1.05rem; }
.drow.d-resultado.negative .val { color: var(--red); }
.drow.d-resultado .param { visibility: hidden; }

/* Cotas */
.cotas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.cota-item {
  padding: 16px 10px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.cota-item:last-child { border-right: none; }
.cota-lbl { font-size: 0.63rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; }
.cota-val { font-size: 1.1rem; font-weight: 800; color: var(--green); margin-top: 5px; }

/* Cota input section */
.cota-input-section {
  padding: 18px 20px;
  border-top: 1px solid var(--border);
  background: var(--card2);
}
.cota-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 0 14px;
}
.cota-input-label { font-size: 0.68rem; color: var(--muted); }
.cota-number-input {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-weight: 700;
  padding: 8px 12px;
  width: 160px;
  outline: none;
  transition: border-color .2s;
}
.cota-number-input:focus { border-color: var(--accent); }
.cota-results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.cota-result-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  text-align: center;
}
.cota-result-lbl { font-size: 0.63rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 6px; }
.cota-result-val { font-size: 1.3rem; font-weight: 900; color: var(--accent); }

/* Footer */
footer {
  text-align: center;
  padding: 24px 0 10px;
  font-size: 0.72rem;
  color: var(--muted);
}

/* RESPONSIVE */
@media (max-width: 960px) {
  .wrapper { padding: 20px 18px 0; }
  .main-grid { grid-template-columns: 1fr; }
  .controls-card { position: static; }
  .site-header { padding: 16px 20px; }
}
@media (max-width: 520px) {
  .recv-grid { grid-template-columns: 1fr; }
  .recv-item { border-right: none; border-bottom: 1px solid var(--border); }
  .recv-item:last-child { border-bottom: none; }
  .cotas-grid { grid-template-columns: 1fr; }
  .cota-item { border-right: none; border-bottom: 1px solid var(--border); }
  .cota-item:last-child { border-bottom: none; }
  .cota-results-grid { grid-template-columns: 1fr; }
  .big-num { font-size: 2.4rem; }
  .msg-val { font-size: 1.5rem; }
}