/* ================================================================
   tool.css — Salud & Ciencia
   Estilos de la página individual de herramienta/calculadora
   Requiere: style.css, hub.css (sidebar-card, tool-item, cta-card)
================================================================ */

.tool-main { padding: 36px 0 64px; }
.tool-layout {
  display: grid; grid-template-columns: 1fr 300px;
  gap: 40px; align-items: start;
}
@media (max-width: 1024px) { .tool-layout { grid-template-columns: 1fr 260px; gap: 28px; } }
@media (max-width: 768px)  { .tool-layout { grid-template-columns: 1fr; } }

.tool-content { display: flex; flex-direction: column; gap: 28px; }

/* ── HEADER DE LA HERRAMIENTA ────────────────────────────────── */
.tool-header { display: flex; align-items: center; gap: 18px; }
.tool-header-icon {
  width: 64px; height: 64px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.tool-header-icon svg { width: 32px; height: 32px; }
.tool-header-text h1 { font-size: 1.6rem; font-weight: 800; color: var(--text); margin-bottom: 4px; }
.tool-header-text p { font-size: .9rem; color: var(--text-muted); line-height: 1.5; }

/* ── CONTENEDOR DE LA CALCULADORA ────────────────────────────── */
.tool-calculator-wrap {
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
@media (max-width: 480px) { .tool-calculator-wrap { padding: 20px 16px; } }

/* ── AVISO MÉDICO ─────────────────────────────────────────────── */
.tool-disclaimer {
  display: flex; gap: 12px; align-items: flex-start;
  background: #fffbeb; border: 1px solid #fde68a;
  border-radius: var(--radius); padding: 14px 16px;
  font-size: .82rem; color: #92400e; line-height: 1.55;
}
.tool-disclaimer svg { width: 20px; height: 20px; flex-shrink: 0; stroke: #d97706; fill: none; margin-top: 1px; }
.tool-disclaimer p { margin: 0; }

/* ── GUÍAS RELACIONADAS ───────────────────────────────────────── */
.tool-related h2 { font-size: 1.1rem; font-weight: 700; color: var(--text); margin-bottom: 14px; }
.tool-related-list { display: flex; flex-direction: column; gap: 10px; }
.tool-related-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 16px; border: 1.5px solid var(--border);
  border-radius: var(--radius); text-decoration: none; color: inherit;
  transition: all .2s;
}
.tool-related-item:hover { border-color: var(--teal); background: var(--teal-bg); }
.tool-related-item svg { width: 18px; height: 18px; stroke: var(--text-light); fill: none; flex-shrink: 0; }
.tool-related-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.tool-related-body strong { font-size: .88rem; font-weight: 600; color: var(--text); }
.tool-related-body span { font-size: .78rem; color: var(--text-muted); line-height: 1.4; }

/* ── SIDEBAR ──────────────────────────────────────────────────── */
.tool-sidebar { display: flex; flex-direction: column; gap: 20px; }
@media (min-width: 769px) { .tool-sidebar { position: sticky; top: 110px; } }
.tool-item.active { background: var(--teal-bg); }


/* ================================================================
   CALCULADORAS — Estilos compartidos por tools/*.php
   Requiere: style.css (variables CSS del sistema)
================================================================ */

/* ── Contenedor y descripción ─── */
.calc-wrap { display: flex; flex-direction: column; gap: 22px; }
.calc-intro { font-size:.85rem; color:var(--text-muted); line-height:1.7;
  padding:12px 14px; background:var(--bg-light);
  border-radius:8px; border-left:3px solid var(--teal); }

/* ── Formulario ──────────────────────────────────────────────── */
.calc-form { display:flex; flex-direction:column; gap:14px; }
.calc-row   { display:grid; gap:14px; }
.calc-row--2 { grid-template-columns:1fr 1fr; }
.calc-row--3 { grid-template-columns:1fr 1fr 1fr; }
.calc-row--4 { grid-template-columns:1fr 1fr 1fr 1fr; }
.calc-field  { display:flex; flex-direction:column; gap:5px; }
.calc-field label { font-size:.8rem; font-weight:600; color:var(--text); }
.calc-field small  { font-size:.72rem; font-weight:400; color:var(--text-muted); }
.calc-field input, .calc-select {
  border:1.5px solid var(--border); border-radius:8px;
  padding:10px 12px; font-family:inherit; font-size:.92rem;
  color:var(--text); background:var(--white);
  outline:none; width:100%; box-sizing:border-box; transition:border-color .2s;
}
.calc-field input:focus, .calc-select:focus { border-color:var(--teal); }
.calc-input-group { display:flex; border:1.5px solid var(--border); border-radius:8px; overflow:hidden; }
.calc-input-group input {
  border:none; padding:10px 12px; flex:1; font-family:inherit;
  font-size:.92rem; outline:none; min-width:0;
}
.calc-input-group input:focus { background:var(--teal-bg); }
.calc-unit-select {
  border:none; border-left:1px solid var(--border);
  background:var(--bg-light); padding:0 10px;
  font-size:.82rem; color:var(--text-muted); cursor:pointer; min-width:52px;
}
.calc-unit-label {
  background:var(--bg-light); border-left:1px solid var(--border);
  padding:0 12px; font-size:.82rem; color:var(--text-muted);
  display:flex; align-items:center;
}

/* ── Resultado contenedor ────────────────────────────────────── */
.calc-resultado {
  border:1.5px solid var(--border);
  border-radius:var(--radius); overflow:hidden;
}

/* ── Header resultado (número + categoría) ───────────────────── */
.calc-resultado-header {
  display:flex; align-items:center; gap:20px;
  padding:20px; background:var(--bg-light);
  border-bottom:1px solid var(--border);
}
.calc-numero-wrap { display:flex; flex-direction:column; align-items:center; }
.calc-numero { font-size:2.6rem; font-weight:800; color:var(--teal); line-height:1; }
.calc-numero-label { font-size:.72rem; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; }
.calc-categoria-wrap { display:flex; flex-direction:column; gap:6px; }
.calc-categoria-badge { display:inline-block; padding:5px 14px; border-radius:99px; font-size:.82rem; font-weight:700; }
.calc-categoria-desc { font-size:.82rem; color:var(--text-muted); line-height:1.5; }

/* ── Barra visual ────────────────────────────────────────────── */
.calc-barra-wrap { padding:16px 20px; }
.calc-barra-track { position:relative; height:12px; border-radius:99px; overflow:visible; display:flex; margin-bottom:6px; }
.calc-barra-segmento { height:12px; }
.calc-barra-segmento:first-child { border-radius:99px 0 0 99px; }
.calc-barra-segmento:last-child  { border-radius:0 99px 99px 0; flex:1; }
.calc-barra-marcador {
  position:absolute; top:-4px; width:6px; height:20px;
  background:#111827; border-radius:3px;
  transform:translateX(-50%); transition:left .4s ease;
}
.calc-barra-labels { display:flex; justify-content:space-between; font-size:.68rem; color:var(--text-light); }

/* ── Métricas extra ─────────────────────────────────────────── */
.calc-metrica-extra {
  padding:14px 20px; border-bottom:1px solid var(--border);
  font-size:.84rem; display:flex; align-items:center; gap:8px; flex-wrap:wrap;
}
.calc-badge-small { padding:2px 10px; border-radius:99px; font-size:.72rem; font-weight:700; }
.calc-meta-note { font-size:.76rem; color:var(--text-muted); width:100%; margin:4px 0 0; }

/* ── Recomendaciones ────────────────────────────────────────── */
.calc-recomendaciones { padding:18px 20px; border-bottom:1px solid var(--border); }
.calc-recomendaciones h3 { font-size:.9rem; font-weight:700; margin-bottom:12px; color:var(--text); }
.calc-recs-list { display:flex; flex-direction:column; gap:8px; }
.calc-recs-list li {
  font-size:.84rem; color:var(--text-muted); line-height:1.55;
  display:flex; gap:8px; align-items:flex-start;
}
.calc-recs-list li::before { content:"→"; color:var(--teal); font-weight:700; flex-shrink:0; }
.calc-recs-list a { color:var(--teal); font-weight:500; }

/* ── Tabla de referencia ─────────────────────────────────────── */
.calc-tabla-wrap { padding:0; border-top:1px solid var(--border); }
.calc-tabla-wrap summary {
  padding:12px 20px; font-size:.82rem; font-weight:600;
  color:var(--teal); cursor:pointer; list-style:none;
}
.calc-tabla-wrap summary::-webkit-details-marker { display:none; }
.calc-tabla-wrap summary::before { content:"▶ "; font-size:.7rem; }
details[open] .calc-tabla-wrap summary::before,
details.calc-tabla-wrap[open] > summary::before { content:"▼ "; }
.calc-tabla { width:calc(100% - 40px); margin:0 20px 8px; border-collapse:collapse; font-size:.8rem; }
.calc-tabla th {
  background:var(--bg-light); padding:8px 12px; text-align:left;
  font-weight:700; font-size:.76rem; color:var(--text-muted);
  text-transform:uppercase; letter-spacing:.3px;
}
.calc-tabla td { padding:8px 12px; border-top:1px solid var(--border); color:var(--text); }
.calc-fuente { font-size:.7rem; color:var(--text-light); padding:0 20px 12px; margin:0; }

/* ── CTAs ────────────────────────────────────────────────────── */
.calc-ctas { display:flex; gap:10px; padding:16px 20px; flex-wrap:wrap; }

/* ── Resultado en grid de cards ─────────────────────────────── */
.calc-resultado-grid {
  display:grid; grid-template-columns:repeat(auto-fit, minmax(140px,1fr));
  gap:14px; padding:20px;
}
.calc-resultado-card {
  border:1.5px solid var(--border); border-radius:10px;
  padding:14px; text-align:center;
}
.calc-resultado-card .card-value { font-size:1.4rem; font-weight:800; color:var(--teal); line-height:1; margin-bottom:4px; }
.calc-resultado-card .card-label { font-size:.72rem; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:.3px; margin-bottom:4px; }
.calc-resultado-card .card-note  { font-size:.72rem; color:var(--text-light); line-height:1.4; }

/* ── Macros ─────────────────────────────────────────────────── */
.calc-macros-grid { display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }
.calc-macro-card {
  text-align:center; padding:14px 10px;
  border-radius:10px; border:1.5px solid var(--border);
}
.calc-macro-card .macro-g     { font-size:1.3rem; font-weight:800; line-height:1; margin-bottom:4px; }
.calc-macro-card .macro-label { font-size:.72rem; font-weight:700; text-transform:uppercase; color:var(--text-muted); }
.calc-macro-card .macro-pct   { font-size:.7rem; color:var(--text-light); }

/* ── Zonas de FC ─────────────────────────────────────────────── */
.calc-zonas { display:flex; flex-direction:column; gap:8px; }
.calc-zona-item { display:flex; align-items:center; gap:12px; padding:10px 14px; border-radius:8px; }
.calc-zona-dot  { width:12px; height:12px; border-radius:50%; flex-shrink:0; }
.calc-zona-body { flex:1; }
.calc-zona-name { font-size:.82rem; font-weight:700; }
.calc-zona-range { font-size:.78rem; color:var(--text-muted); }
.calc-zona-desc { font-size:.74rem; color:var(--text-light); }

/* ── Errores ─────────────────────────────────────────────────── */
.calc-error {
  background:#fef2f2; border:1px solid #fca5a5;
  color:#dc2626; padding:10px 14px; border-radius:8px; font-size:.84rem;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width:600px) {
  .calc-row--3, .calc-row--4 { grid-template-columns:1fr 1fr; }
  .calc-row--2 { grid-template-columns:1fr; }
  .calc-macros-grid { grid-template-columns:1fr; }
  .calc-resultado-header { flex-direction:column; align-items:flex-start; }
  .calc-ctas { flex-direction:column; }
  .calc-ctas a { text-align:center; }
}