.trex-calc {
  /* ===========================================================
     COLORS DE MARCA — Novus Real Estate (mismos tokens que las
     calculadoras hermanas, para mantener coherencia visual)
     =========================================================== */
  --ink: #262f2e;
  --paper: #f7f8f8;
  --paper-2: #edf1f1;
  --line: #dde3e2;
  --brass: #03989E;
  --brass-dark: #027077;
  --gain: #0a7a53;
  --gain-bg: #e4f3ec;
  --loss: #b5352e;
  --loss-bg: #f7e6e4;
  --loss-deep: #7d332c;
  --loss-deep-bg: #f0d6d2;
  --warn: #8a6d1f;
  --warn-bg: #f1ead2;
  --gray: #545454;

  all: initial;
  display: block;
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  max-width: 820px;
  margin: 0 auto;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
.trex-calc *, .trex-calc *::before, .trex-calc *::after { box-sizing: border-box; font-family: inherit; }

/* ---- Cabecera ---- */
.trex-head { padding: 28px 32px 22px; border-bottom: 1px solid var(--line); }
.trex-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--brass); margin: 0 0 8px;
}
.trex-title {
  font-family: 'Fraunces', serif; font-optical-sizing: auto; font-weight: 600;
  font-size: 27px; margin: 0; letter-spacing: -0.01em;
}
.trex-sub { font-size: 14px; color: #5b6664; margin: 6px 0 0; max-width: 52ch; }

.trex-body { padding: 26px 32px 32px; }

/* ---- Secciones ---- */
.trex-section-label {
  font-size: 12.5px !important; font-weight: 700 !important; color: var(--brass-dark) !important;
  text-transform: uppercase !important; letter-spacing: .05em !important;
  margin: 0 0 18px !important;
  padding-top: 56px !important;
  display: flex !important; align-items: center !important; gap: 8px !important;
}
.trex-section-label:first-child { padding-top: 0 !important; }
.trex-section-label::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.trex-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 20px; }
.trex-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
@media (max-width: 620px) { .trex-grid, .trex-grid--3 { grid-template-columns: 1fr; } }

.trex-field { display: flex; flex-direction: column; gap: 6px; }
.trex-field label {
  font-size: 12.5px; font-weight: 600; color: #445451;
  display: flex; justify-content: space-between; align-items: baseline;
}
.trex-field label .trex-req { color: var(--loss); font-weight: 700; }
.trex-field label span.trex-hint { font-weight: 400; color: #8b9491; font-size: 11px; }

.trex-input-wrap { position: relative; }
.trex-input-wrap .trex-unit {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-size: 13px; color: #8b9491; font-family: 'IBM Plex Mono', monospace;
  pointer-events: none;
}
.trex-calc input[type=number],
.trex-calc input[type=text],
.trex-calc input[type=tel],
.trex-calc input[type=email],
.trex-calc select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line);
  background: #fff; border-radius: 3px; font-size: 14.5px;
  font-family: 'IBM Plex Mono', monospace; color: var(--ink);
  transition: border-color .15s, box-shadow .15s;
  appearance: none; -webkit-appearance: none;
}
.trex-input-wrap input { padding-right: 40px; }
.trex-calc select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6'><path d='M0 0l5 6 5-6z' fill='%238b9491'/></svg>");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 30px; cursor: pointer;
}
.trex-calc input:focus, .trex-calc select:focus {
  outline: none; border-color: var(--brass);
  box-shadow: 0 0 0 3px rgba(3,152,158,0.15);
}
.trex-calc input::-webkit-outer-spin-button,
.trex-calc input::-webkit-inner-spin-button { opacity: 0.4; }

/* ---- Toggle Sí/No ---- */
.trex-toggle-group { display: flex; gap: 8px; }
.trex-toggle-btn {
  flex: 1; padding: 10px 12px; border: 1px solid var(--line); background: #fff;
  border-radius: 3px; font-size: 13px; font-weight: 600; color: #5b6664;
  cursor: pointer; text-align: center; transition: border-color .15s, background .15s, color .15s;
}
.trex-toggle-btn:hover { border-color: #b9d8d9; }
.trex-toggle-btn.active { border-color: var(--brass); background: var(--paper-2); color: var(--brass-dark); }

/* ---- Aviso de zona ---- */
.trex-zone-msg {
  margin-top: 10px; padding: 12px 14px; border-radius: 4px;
  font-size: 13px; line-height: 1.5; display: none;
}
.trex-zone-msg.show { display: block; }
.trex-zone-msg.blocked { background: var(--loss-bg); color: var(--loss); }
.trex-zone-msg.ok { background: var(--gain-bg); color: var(--gain); }

/* ---- Nota informativa (WhatsApp / email) ---- */
.trex-info-note {
  margin-top: 26px; padding: 14px 16px; border-radius: 4px;
  background: var(--paper-2); border: 1px solid var(--line);
  font-size: 12.5px; color: #445451; line-height: 1.55;
}
.trex-info-note b { color: var(--ink); }

/* ---- Legal / disclaimer ---- */
.trex-disclaimer {
  font-size: 11.5px; color: #8b9491; line-height: 1.55;
  margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line);
}

/* ---- Botones ---- */
.trex-cta-row { margin-top: 30px; display: flex; justify-content: flex-end; gap: 10px; }
.trex-btn-primary {
  font-family: 'IBM Plex Mono', monospace; font-size: 12px; letter-spacing: .04em;
  text-transform: uppercase; background: var(--brass); color: #fff; border: none;
  padding: 14px 26px; border-radius: 3px; cursor: pointer; transition: background .15s;
}
.trex-btn-primary:hover { background: var(--brass-dark); }
.trex-btn-primary:disabled { background: #b7d8d9; cursor: not-allowed; }

.trex-error-msg {
  font-size: 12.5px; color: var(--loss); background: var(--loss-bg);
  padding: 9px 12px; border-radius: 3px; margin-top: 14px; display: none;
}
.trex-error-msg.show { display: block; }

/* honeypot anti-spam, invisible para personas */
.trex-hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* =========================================================
   RESULTADO
   ========================================================= */
#trex-resultBanner { display: none; margin-top: 34px; padding-top: 30px; border-top: 1px solid var(--line); }
.trex-confirm-line { font-size: 14px; color: #445451; text-align: center; margin: 0 0 28px; }

.trex-result-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 14px; margin-bottom: 20px; }
@media (max-width: 680px) { .trex-result-grid { grid-template-columns: 1fr; } }

.trex-result-card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px;
  padding: 20px 18px; text-align: center;
}
.trex-result-card .trex-rc-icon { font-size: 20px; margin-bottom: 8px; }
.trex-result-card .trex-rc-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  color: #8b9491; margin-bottom: 8px;
}
.trex-result-card .trex-rc-value {
  font-family: 'Fraunces', serif; font-weight: 600; font-size: 24px; color: var(--brass);
  line-height: 1.2;
}
.trex-result-card.trex-rc-primary .trex-rc-value { font-size: 27px; }
.trex-result-card .trex-rc-sub { font-size: 12px; color: #5b6664; margin-top: 6px; }

/* ---- Comparación (semáforo) ---- */
.trex-compare {
  border-radius: 8px; padding: 18px 20px; margin-bottom: 20px;
  display: flex; gap: 14px; align-items: flex-start;
  border: 1px solid transparent;
}
.trex-compare .trex-cmp-dot {
  width: 12px; height: 12px; border-radius: 50%; margin-top: 4px; flex-shrink: 0;
}
.trex-compare p { margin: 0; font-size: 13.5px; line-height: 1.55; }
.trex-compare.ok { background: var(--gain-bg); border-color: #c6d8cf; }
.trex-compare.ok .trex-cmp-dot { background: var(--gain); }
.trex-compare.ok p { color: #2f5d4f; }
.trex-compare.warn { background: var(--warn-bg); border-color: #e1d3a3; }
.trex-compare.warn .trex-cmp-dot { background: var(--warn); }
.trex-compare.warn p { color: #6e5716; }
.trex-compare.loss { background: var(--loss-bg); border-color: #e3c3ba; }
.trex-compare.loss .trex-cmp-dot { background: var(--loss); }
.trex-compare.loss p { color: #7d332c; }
.trex-compare.loss-deep { background: var(--loss-deep-bg); border-color: #d9a99f; }
.trex-compare.loss-deep .trex-cmp-dot { background: var(--loss-deep); }
.trex-compare.loss-deep p { color: var(--loss-deep); }

/* ---- Nivel de atractivo ---- */
.trex-attractive {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--paper-2); border: 1px solid var(--line); border-radius: 8px;
  padding: 16px 20px; margin-bottom: 26px;
}
.trex-attractive .trex-att-label { font-size: 12.5px; font-weight: 600; color: #445451; }
.trex-attractive .trex-att-badge {
  font-family: 'IBM Plex Mono', monospace; font-size: 11.5px; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 20px;
}
.trex-att-badge.alta { background: var(--gain-bg); color: var(--gain); }
.trex-att-badge.media { background: var(--warn-bg); color: var(--warn); }
.trex-att-badge.baja { background: var(--loss-bg); color: var(--loss); }

/* ---- CTA WhatsApp + disclaimer resultado ---- */
.trex-cta-final { text-align: center; margin-top: 8px; }
.trex-btn-whatsapp {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; letter-spacing: .04em;
  text-transform: uppercase; background: var(--brass); color: #fff; text-decoration: none;
  padding: 14px 26px; border-radius: 8px; transition: background .15s;
}
.trex-btn-whatsapp:hover { background: var(--brass-dark); }