/* Conversor TNA / TEA / TEM — requiere design-system.css */
/* ===== Conversor ===== */
.conv-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-md); overflow: hidden; }
.conv-body { padding: 1.75rem; }
.conv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.conv-cell {
  border: 2px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.1rem; transition: var(--transition); background: var(--card);
}
.conv-cell.active { border-color: var(--blue-mid); box-shadow: 0 0 0 3px rgba(13,102,208,0.1); }
.conv-cell-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.5rem; }
.conv-abbr { font-size: 0.95rem; font-weight: 800; color: var(--blue-dark); letter-spacing: -0.01em; }
.conv-full { font-size: 0.66rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.conv-input-wrap { position: relative; }
.conv-input {
  width: 100%; padding: 0.5rem 1.9rem 0.5rem 0.1rem;
  border: none; border-bottom: 2px solid var(--border);
  font-size: 1.9rem; font-weight: 800; letter-spacing: -0.02em;
  color: var(--text-primary); outline: none; background: transparent;
  transition: var(--transition);
}
.conv-input:focus { border-bottom-color: var(--blue-mid); }
.conv-input-wrap .pct { position: absolute; right: 0.2rem; bottom: 0.7rem; font-size: 1.2rem; font-weight: 700; color: var(--text-muted); }
.conv-hint { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.5rem; line-height: 1.45; }

.conv-opts { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.conv-opts-label { font-size: 0.74rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }

/* Ejemplo con plata */
.conv-example {
  background: linear-gradient(135deg, #071d4a 0%, var(--blue-dark) 60%, var(--blue-light) 100%);
  color: #fff; padding: 1.5rem 1.75rem; position: relative; overflow: hidden;
}
.conv-example::before { content: ''; position: absolute; width: 320px; height: 320px; border-radius: 50%; background: rgba(255,255,255,0.06); bottom: -170px; right: -60px; }
.conv-ex-inner { position: relative; z-index: 1; }
.conv-ex-label { font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.8; margin-bottom: 0.5rem; }
.conv-ex-row { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.conv-ex-input {
  width: 160px; padding: 0.45rem 0.7rem;
  background: rgba(255,255,255,0.14); border: 1.5px solid rgba(255,255,255,0.28);
  border-radius: var(--radius-sm); color: #fff; font-size: 1rem; font-weight: 700; outline: none;
}
.conv-ex-input:focus { background: rgba(255,255,255,0.2); border-color: rgba(255,255,255,0.6); }
.conv-ex-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; }
.conv-ex-cell { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.18); border-radius: var(--radius-sm); padding: 0.7rem 0.9rem; }
.conv-ex-val { font-size: 1.15rem; font-weight: 800; color: #6ee7a8; line-height: 1.15; }
.conv-ex-cap { font-size: 0.68rem; opacity: 0.82; text-transform: uppercase; letter-spacing: 0.04em; margin-top: 0.15rem; }

/* Tabla de equivalencias */
.eq-block { margin-top: 2rem; }
.data-table tbody tr.hl { background: var(--blue-pale); }

/* Contenido */
.content-block { margin-top: 2.5rem; }
.content-block h2 { font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; margin: 1.75rem 0 0.7rem; }
.content-block h2:first-child { margin-top: 0; }
.content-block h2 span { color: var(--blue-mid); }
.content-block h3 { font-size: 1rem; font-weight: 700; margin: 1.25rem 0 0.5rem; }
.content-block p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 0.9rem; max-width: 70ch; }
.content-block ul { margin: 0 0 0.9rem 1.25rem; font-size: 0.92rem; color: var(--text-secondary); }
.content-block li { margin-bottom: 0.35rem; }
.content-block a.inline { color: var(--blue-mid); font-weight: 600; }
.content-block a.inline:hover { text-decoration: underline; }
.formula {
  background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--blue-mid);
  border-radius: var(--radius-sm); padding: 1rem 1.25rem; margin: 1rem 0; font-size: 0.95rem;
}
.formula code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; color: var(--blue-dark); display: block; margin-bottom: 0.3rem; }
.formula .ej { display: block; font-size: 0.82rem; color: var(--text-muted); margin-top: 0.4rem; }

.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 0.7rem; }
.faq-q { padding: 0.9rem 1.15rem; display: flex; justify-content: space-between; align-items: center; cursor: pointer; gap: 1rem; font-size: 0.9rem; font-weight: 600; width: 100%; background: none; border: none; text-align: left; color: inherit; }
.faq-q .chev { width: 22px; height: 22px; border-radius: 50%; background: var(--blue-pale); color: var(--blue-dark); display: flex; align-items: center; justify-content: center; font-size: 0.7rem; flex-shrink: 0; transition: var(--transition); }
.faq-item.open .chev { transform: rotate(45deg); }
.faq-a { display: none; padding: 0.85rem 1.15rem 1rem; font-size: 0.875rem; color: var(--text-secondary); border-top: 1px solid var(--border); }
.faq-item.open .faq-a { display: block; }

@media (max-width: 768px) {
  .conv-body { padding: 1.25rem; }
  .conv-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .conv-input { font-size: 1.6rem; }
  .conv-example { padding: 1.25rem; }
  .conv-ex-grid { grid-template-columns: 1fr; gap: 0.5rem; }
}