/* ============================================
   Wapps · tributarias/conversor-uvt/styles.css
   ============================================ */

/* ---------- Toggle de dirección ---------- */
.mode-switch {
  display: flex;
  gap: 0;
  background: var(--color-bg-muted);
  padding: 4px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-5);
}

.mode-btn {
  flex: 1;
  padding: 10px 14px;
  font-size: 0.95rem;
  font-weight: 500;
  background: transparent;
  border: 0;
  border-radius: calc(var(--radius-md) - 4px);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--t-base);
}
.mode-btn:hover { color: var(--color-text); }
.mode-btn.active {
  background: var(--color-bg-elevated);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ---------- Selector de año ---------- */
.year-selector {
  max-width: 280px;
}
.year-select {
  width: 100%;
  appearance: none;
  background: var(--color-bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%235C6975' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E") no-repeat right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

/* ---------- Input con unidad ---------- */
.input-wrapper {
  position: relative;
}
.input-unit {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}
.uvt-calc .r3-input {
  padding-right: 60px;
  font-size: 1.25rem;
}

/* ---------- Bloque de resultado ---------- */
.result-box {
  margin-top: var(--space-5);
  padding: var(--space-5);
  background: var(--color-bg-muted);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  text-align: center;
}

.result-label {
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
  font-weight: 500;
}

.result-value {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 500;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.result-formula {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- Tabla de referencia ---------- */
.ref-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin: var(--space-4) 0;
}

.ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.ref-table th {
  background: var(--color-bg-muted);
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.ref-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-variant-numeric: tabular-nums;
}
.ref-table tr:last-child td { border-bottom: 0; }

.ref-table td:first-child {
  font-weight: 500;
  color: var(--color-primary);
  white-space: nowrap;
}

.ref-table td:nth-child(2) {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  white-space: nowrap;
}

.ref-table td:last-child {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.ref-table tr.is-current td {
  background: rgba(244, 162, 97, 0.08);
}
.ref-table tr.is-current td:first-child::after {
  content: "actual";
  font-size: 0.7rem;
  background: var(--color-accent);
  color: var(--color-accent-text);
  padding: 1px 8px;
  border-radius: 999px;
  margin-left: var(--space-2);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

@media (max-width: 540px) {
  .ref-table { font-size: 0.85rem; }
  .ref-table th, .ref-table td { padding: var(--space-2) var(--space-3); }
}

/* ---------- Lista de usos ---------- */
.usage-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0;
}
.usage-list li {
  position: relative;
  padding: var(--space-3) 0 var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  font-size: 1rem;
  line-height: 1.6;
}
.usage-list li:last-child { border-bottom: 0; }
.usage-list li::before {
  content: "›";
  position: absolute;
  left: 6px;
  top: var(--space-3);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1;
}