/* =========================================================================
   Calculadora de proteína diaria — Herramientas. Vive dentro del layout
   normal del sitio (no es pantalla completa como el mapa), reutiliza
   .content-page / .content-eyebrow / .content-title de contenido.css.
   ========================================================================= */

.calc-page { max-width: 720px; margin: 0 auto; padding: 72px 24px 90px; }
.calc-lead { font: 17px/1.75 var(--font-body); color: var(--color-text-muted); margin: 0 0 40px; }

.calc-form {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card-lg);
  padding: clamp(24px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.calc-field { display: flex; flex-direction: column; gap: 10px; }
.calc-field label { font: 700 14px var(--font-body); color: var(--color-text); }
.calc-field-hint { font: 13px/1.5 var(--font-body); color: var(--color-text-muted); margin: 0; }

.calc-weight-input {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-bg);
  padding: 4px 4px 4px 18px;
}
.calc-weight-input input {
  flex: 1;
  border: none;
  background: none;
  font: 800 30px var(--font-display);
  letter-spacing: -.01em;
  color: var(--color-text);
  padding: 10px 0;
  min-width: 0;
  -moz-appearance: textfield;
}
.calc-weight-input input::placeholder { color: var(--color-text-muted); opacity: .45; }
.calc-weight-input input::-webkit-outer-spin-button,
.calc-weight-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-weight-input input:focus { outline: none; }
.calc-weight-input:focus-within { border-color: oklch(70% 0.15 142 / .5); box-shadow: 0 0 0 3px oklch(70% 0.15 142 / .15); }
.calc-weight-unit { font: 700 13px var(--font-body); color: var(--color-text-muted); padding-right: 14px; }

.calc-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.calc-option {
  position: relative;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-bg);
  padding: 14px 40px 14px 16px;
  cursor: pointer;
  transition: border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}
.calc-option:hover { transform: translateY(-2px); box-shadow: var(--shadow-card-hover); }
.calc-option input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.calc-option-title { display: block; font: 700 14px var(--font-body); color: var(--color-text); margin-bottom: 3px; }
.calc-option-sub { display: block; font: 12px/1.4 var(--font-body); color: var(--color-text-muted); }

/* Insignia de selección: círculo que aparece con un pequeño resorte en vez
   de depender solo del tinte de fondo — mismo acento verde que el resto
   del sistema (sku-card usa un punto de color; acá el punto se convierte
   en check al seleccionar). */
.calc-option::after {
  content: '';
  position: absolute;
  top: 14px; right: 14px;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-elevated);
  transition: border-color .2s ease, background .2s ease, transform .25s cubic-bezier(.16, 1, .3, 1);
}
.calc-option:has(input:checked) {
  border-color: var(--color-green-mid);
  background: var(--color-badge-bg-green);
  box-shadow: var(--glow-green);
  transform: translateY(-2px);
}
.calc-option:has(input:checked)::after {
  border-color: var(--color-green-mid);
  background: var(--color-green-mid);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 11px;
  transform: scale(1.08);
}
.calc-option:has(input:focus-visible) { outline: 3px solid oklch(70% 0.15 142 / .4); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  .calc-option, .calc-option::after { transition: none; }
}

.calc-submit {
  background: var(--color-green-mid); color: #fff; border: none;
  font: 700 14px var(--font-body); letter-spacing: .04em; text-transform: uppercase;
  padding: 15px 28px; border-radius: var(--radius-pill); cursor: pointer;
  transition: transform .2s, background .2s, box-shadow .2s;
  align-self: flex-start;
}
.calc-submit:hover { transform: translateY(-2px); background: var(--color-green-hover); box-shadow: var(--glow-green); }

/* ===== Resultado — el momento de llegada: el único gesto de movimiento
   propio de esta página (craft-floor: "un momento autoral, no efectos
   sueltos"). Aparece con una entrada breve en vez de saltar de golpe. */
.calc-result {
  margin-top: 32px;
  border: 1px solid oklch(70% 0.15 142 / .35);
  border-radius: var(--radius-card-lg);
  background: var(--color-badge-bg-green);
  padding: clamp(24px, 4vw, 36px);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s cubic-bezier(.16, 1, .3, 1), transform .5s cubic-bezier(.16, 1, .3, 1);
}
.calc-result.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .calc-result { transition: none; }
}

.calc-result-label { font: 700 12px var(--font-body); letter-spacing: .08em; text-transform: uppercase; color: var(--color-green-dark); margin: 0 0 8px; }
.calc-result-value {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 6px;
}
.calc-result-value-num { font: 800 clamp(40px, 8vw, 64px) var(--font-display); color: var(--color-text); letter-spacing: -.02em; line-height: 1; font-variant-numeric: tabular-nums; }
.calc-result-value-unit { font: 700 16px var(--font-body); color: var(--color-green-dark); }
.calc-result-range { font: 15px var(--font-body); color: var(--color-text-muted); margin: 0 0 20px; }

/* Barra de proporción — resume 70-80/20-30 de un vistazo, antes del
   detalle en las dos tarjetas. */
.calc-ratio-bar { display: flex; height: 8px; border-radius: var(--radius-pill); overflow: hidden; background: var(--color-border); margin: 0 0 18px; }
.calc-ratio-food { background: var(--color-green-mid); }
.calc-ratio-supp { background: oklch(70% 0.15 142 / .35); }

.calc-result-note { font: 13px/1.6 var(--font-body); color: var(--color-text-muted); margin: 0; }
.calc-result-note strong { color: var(--color-text); }

/* ===== Reparto alimentos reales / complemento ===== */
.calc-split { margin-top: 22px; padding-top: 22px; border-top: 1px solid oklch(70% 0.15 142 / .3); }
.calc-split-title { font: 700 13px var(--font-body); letter-spacing: .04em; color: var(--color-text); margin: 0 0 14px; }
.calc-split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.calc-split-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  padding: 16px 18px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.calc-split-card:hover { transform: translateY(-3px); border-color: oklch(70% 0.15 142 / .4); box-shadow: var(--glow-green); }
@media (prefers-reduced-motion: reduce) { .calc-split-card { transition: none; } }
.calc-split-pct { display: block; font: 800 22px var(--font-display); color: var(--color-green-dark); letter-spacing: -.01em; margin-bottom: 2px; }
.calc-split-grams { display: block; font: 13px var(--font-body); color: var(--color-text-muted); margin-bottom: 8px; }
.calc-split-label { display: block; font: 700 13px var(--font-body); color: var(--color-text); margin-bottom: 4px; }
.calc-split-desc { display: block; font: 12.5px/1.55 var(--font-body); color: var(--color-text-muted); }
.calc-split-foods { margin-top: 16px; font: 13px/1.6 var(--font-body); color: var(--color-text-muted); }
.calc-split-foods strong { color: var(--color-text); }

.calc-products { margin-top: 22px; padding-top: 22px; border-top: 1px solid oklch(70% 0.15 142 / .3); }
.calc-products-title { font: 700 13px var(--font-body); letter-spacing: .04em; color: var(--color-text); margin: 0 0 14px; }
.calc-product-list { display: flex; flex-direction: column; gap: 12px; margin: 0; padding: 0; list-style: none; }
.calc-product-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  padding: 14px 16px;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.calc-product-card:hover { transform: translateY(-3px); border-color: oklch(70% 0.15 142 / .4); box-shadow: var(--glow-green); }
.calc-product-card:hover .calc-product-name { color: var(--color-green); }
.calc-product-media { flex: none; display: block; width: 88px; aspect-ratio: 4 / 3; border-radius: var(--radius-menu); overflow: hidden; background: var(--color-border); }
.calc-product-media img { display: block; width: 100%; height: 100%; object-fit: cover; border-radius: inherit; transition: transform .3s ease; }
.calc-product-card:hover .calc-product-media img { transform: scale(1.06); }
.calc-product-card:has(.calc-product-media) { align-items: center; }
.calc-product-dot { flex: none; width: 10px; height: 10px; border-radius: 50%; margin-top: 6px; background: var(--color-green-mid); }
.calc-product-name { display: block; font: 700 14px var(--font-body); color: var(--color-text); margin-bottom: 3px; transition: color .2s ease; }
.calc-product-why { display: block; font: 13px/1.55 var(--font-body); color: var(--color-text-muted); }
@media (prefers-reduced-motion: reduce) { .calc-product-card, .calc-product-media img { transition: none; } }

.calc-disclaimer {
  margin-top: 28px;
  font: 13px/1.7 var(--font-body);
  color: var(--color-text-muted);
  padding: 16px 18px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
}
.calc-disclaimer strong { color: var(--color-text); }
.calc-disclaimer + .calc-disclaimer { margin-top: 12px; }

.calc-source { font: 12px/1.6 var(--font-body); color: var(--color-text-muted); margin: 24px 0 0; }
.calc-source a { color: var(--color-green); }

[hidden] { display: none !important; }

@media (max-width: 759px) {
  .calc-page { padding: 48px 20px 70px; }
  .calc-form { padding: 20px; }
  .calc-options { grid-template-columns: 1fr; }
  .calc-split-grid { grid-template-columns: 1fr; }
}