/* Estilos generales mejorados */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
  background: #f5f4f0;
  background-image: radial-gradient(ellipse at 30% 20%, rgba(255,255,255,0.7) 0%, transparent 60%), radial-gradient(ellipse at 80% 80%, rgba(235,230,220,0.4) 0%, transparent 50%);
  color: #2c2c2c;
  transition: background 0.6s ease, color 0.4s ease;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  font-weight: 400;
  transform-origin: top left;
}

/* Botón toggle modo oscuro mejorado */
.dark-mode-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.85);
  color: #3a3a3a;
  border: 1px solid rgba(0, 0, 0, 0.08);
  padding: 0;
  border-radius: 24px;
  cursor: pointer;
  font-size: 16px;
  z-index: 1001;
  transition: all 0.5s ease;
  backdrop-filter: blur(16px);
  box-shadow: 0 2px 12px -2px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
}

.dark-mode-toggle:hover {
  background: rgba(255, 255, 255, 1);
  transform: scale(1.06);
  box-shadow: 0 4px 20px -4px rgba(0,0,0,0.12);
}

/* Toggle SVG icon visibility */
.toggle-icon { display: none; }
.icon-sun { display: block; }
body.dark-mode .icon-sun { display: none; }
body.dark-mode .icon-moon { display: block; }

/* ── Resultado integrado dentro de Tasa Equivalente ── */
.te-resultado-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  padding: 8px 0 0 0;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  flex-wrap: wrap;
}

body.dark-mode .te-resultado-row {
  border-top-color: rgba(255, 255, 255, 0.04);
}

/* ── Botón de descarga en el cuadro TE ── */
.boton-descarga-tasas {
  background: none;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 8px;
  padding: 4px 6px;
  cursor: pointer;
  color: #9a9890;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.4;
  flex-shrink: 0;
}

.boton-descarga-tasas:hover {
  opacity: 0.9;
  color: #2c2c2c;
  border-color: rgba(0, 0, 0, 0.12);
}

body.dark-mode .boton-descarga-tasas {
  color: #7a7770;
  border-color: rgba(255, 255, 255, 0.04);
}

body.dark-mode .boton-descarga-tasas:hover {
  color: #e8e6e3;
  border-color: rgba(255, 255, 255, 0.1);
}
/* Modo oscuro perfeccionado */
body.dark-mode {
  background: #111318;
  background-image: radial-gradient(ellipse at 20% 50%, rgba(30,33,42,0.9) 0%, transparent 60%), radial-gradient(ellipse at 75% 20%, rgba(25,28,36,0.8) 0%, transparent 50%);
  color: #e8e6e3;
}

body.dark-mode .dark-mode-toggle {
  background: rgba(30, 32, 40, 0.85);
  color: #d0cec8;
  border-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 2px 12px -2px rgba(0,0,0,0.3);
}

body.dark-mode .dark-mode-toggle:hover {
  background: rgba(40, 42, 52, 0.95);
  transform: scale(1.06);
  box-shadow: 0 4px 20px -4px rgba(0,0,0,0.4);
}

/* Inputs y selects mejorados para ambos modos */
body.dark-mode input,
body.dark-mode select {
  background: rgba(28, 30, 38, 0.9);
  color: #dad8d3;
  border: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 0 1px 3px 0 rgba(0,0,0,0.2);
}

body.dark-mode input:focus,
body.dark-mode select:focus {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(32, 34, 44, 0.95);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.04);
  transform: none;
}

body.dark-mode input::placeholder {
  color: #5a5852;
}

body.dark-mode input[readonly] {
  background: rgba(22, 24, 30, 0.7);
  color: #9a9890;
  border-color: rgba(255, 255, 255, 0.04);
}

/* Títulos y secciones mejorados */
body.dark-mode .titulo-seccion {
  color: #e8e6e3;
  background: rgba(24, 26, 32, 0.9);
  border-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.15);
}

body.dark-mode .campo-inline label {
  color: #b0ada6;
  font-weight: 500;
}

body.dark-mode .porcentaje {
  color: #7a7770;
  font-weight: 500;
}

/* Botones mejorados */
body.dark-mode .boton-calcular {
  background: linear-gradient(135deg, #2a2d36 0%, #1e2028 100%);
  color: #e8e6e3;
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

body.dark-mode .boton-calcular:hover {
  background: linear-gradient(135deg, #353840 0%, #282b34 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px -4px rgba(0,0,0,0.4);
}

body.dark-mode .boton-primario {
  background: rgba(28, 30, 38, 0.9);
  color: #d0cec8;
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.15);
}

body.dark-mode .boton-primario:hover {
  background: rgba(36, 38, 48, 0.95);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.25);
  border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .seccion-compacta {
  background: rgba(22, 24, 30, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.2);
}

body.dark-mode #ayuda,
body.dark-mode #combinaciones {
  background: rgba(20, 22, 28, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.15);
}

body.dark-mode .titulo-graficos {
  background: linear-gradient(135deg, rgba(28, 30, 38, 0.95) 0%, rgba(22, 24, 30, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.3);
}

body.dark-mode .titulo-graficos h2 {
  color: #e8e6e3;
}

body.dark-mode .titulo-grafico h3 {
  color: #e8e6e3;
  background: rgba(24, 26, 32, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.15);
}

body.dark-mode .grafico-wrapper canvas {
  background: rgba(18, 20, 26, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.15);
}

body.dark-mode #nota-grafico {
  background: rgba(22, 24, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: #dad8d3;
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.15);
}

/* Container principal optimizado para mejor uso del espacio */
.container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 10px 20px;
  background-color: transparent;
  min-height: 100vh;
}

/* Ocultar elementos */
.oculto {
  display: none !important;
}



/* Fecha de análisis en la navegación superior */
.fecha-navegacion {
  display: flex;
  align-items: center;
  gap: 12px;
}

.fecha-navegacion label {
  font-weight: 600;
  color: #374151;
  font-size: 14px;
  letter-spacing: 0.025em;
  white-space: nowrap;
}

body.dark-mode .fecha-navegacion label {
  color: #f1f5f9;
}

.fecha-navegacion input[type="date"] {
  padding: 10px 14px;
  border: 2px solid rgba(148, 163, 184, 0.25);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.9) 100%);
  font-family: inherit;
  backdrop-filter: blur(10px);
  box-shadow:
    0 2px 4px -1px rgba(0, 0, 0, 0.1),
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  color: #1e293b;
  min-width: 160px;
}

.fecha-navegacion input[type="date"]:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow:
    0 0 0 4px rgba(59, 130, 246, 0.15),
    0 4px 8px -2px rgba(59, 130, 246, 0.2),
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(248, 250, 252, 1) 100%);
  transform: translateY(-1px);
}

.fecha-navegacion input[type="date"]:hover {
  border-color: rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

body.dark-mode .fecha-navegacion input[type="date"] {
  background: rgba(51, 65, 85, 0.8);
  color: #f1f5f9;
  border: 2px solid rgba(100, 116, 139, 0.3);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.1);
}

body.dark-mode .fecha-navegacion input[type="date"]:focus {
  border-color: #60a5fa;
  background: rgba(51, 65, 85, 0.95);
  box-shadow:
    0 0 0 4px rgba(96, 165, 250, 0.2),
    0 8px 16px -4px rgba(0, 0, 0, 0.2),
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.1);
  transform: translateY(-1px);
}

body.dark-mode .fecha-navegacion input[type="date"]:hover {
  border-color: rgba(96, 165, 250, 0.4);
}



/* Botones principales mejorados */
.boton-primario {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
  color: #334155;
  border: 2px solid rgba(148, 163, 184, 0.3);
  padding: 12px 20px;
  border-radius: 14px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.5);
  letter-spacing: 0.025em;
}

.boton-primario:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(248, 250, 252, 1) 100%);
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 8px 16px -4px rgba(0, 0, 0, 0.15),
    0 0 0 1px rgba(255, 255, 255, 0.8);
  border-color: rgba(59, 130, 246, 0.4);
}

/* Secciones compactas optimizadas */
.seccion-compacta {
  background: rgba(250, 249, 246, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 6px -1px rgba(0,0,0,0.06);
  transition: all 0.5s ease;
}

.seccion-compacta:hover {
  box-shadow: 0 2px 10px -2px rgba(0,0,0,0.08);
}

/* ── Título de tasa con controles integrados ── */
.titulo-tasa-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}

.titulo-tasa-bar .titulo-tasa {
  margin-bottom: 0;
}

.titulo-tasa-controles {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.titulo-tasa-controles .fecha-navegacion {
  gap: 6px;
}

.titulo-tasa-controles .fecha-navegacion label {
  font-size: 12px;
}

.titulo-tasa-controles .fecha-navegacion input[type="date"] {
  padding: 6px 10px;
  font-size: 12px;
  min-width: 130px;
}

.boton-mini {
  background: rgba(255, 255, 255, 0.8);
  color: #475569;
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 5px 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: all 0.3s ease;
  font-family: inherit;
}

.boton-mini:hover {
  background: rgba(255, 255, 255, 1);
  border-color: rgba(59, 130, 246, 0.4);
  color: #1e293b;
}

body.dark-mode .boton-mini {
  background: rgba(28, 30, 38, 0.8);
  color: #9a9890;
  border-color: rgba(255, 255, 255, 0.06);
}

body.dark-mode .boton-mini:hover {
  background: rgba(36, 38, 48, 0.95);
  color: #e8e6e3;
  border-color: rgba(255, 255, 255, 0.1);
}

/* % inline con el label */
.porcentaje-inline {
  font-size: 11px;
  font-weight: 600;
  color: #64748b;
  margin-left: 4px;
}

body.dark-mode .porcentaje-inline {
  color: #94a3b8;
}

.resultados-linea {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 16px;
  margin-bottom: 8px;
  background: rgba(250, 249, 246, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  flex-wrap: wrap;
}

body.dark-mode .resultados-linea {
  background: rgba(22, 24, 30, 0.8);
  border-color: rgba(255, 255, 255, 0.04);
}

.boton-calcular-mini {
  background: rgba(248, 250, 252, 0.8);
  color: #475569;
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 8px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.4s ease;
  flex-shrink: 0;
}

.boton-calcular-mini:hover {
  background: rgba(241, 245, 249, 0.9);
  border-color: rgba(148, 163, 184, 0.45);
  color: #334155;
}

body.dark-mode .boton-calcular-mini {
  background: linear-gradient(135deg, #2a2d36 0%, #1e2028 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #e8e6e3;
}

.resultado-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.resultado-label {
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  white-space: nowrap;
}

body.dark-mode .resultado-label {
  color: #94a3b8;
}

.resultados-linea input#te {
  border: none;
  background: transparent;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
  box-shadow: none;
  width: 100px;
}

.resultados-linea input#te:hover {
  transform: none;
}

body.dark-mode .resultados-linea input#te {
  color: #f1f5f9;
  background: transparent;
  border: none;
}

.resultado-pct {
  font-size: 18px;
  font-weight: 800;
  color: #1e293b;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

body.dark-mode .resultado-pct {
  color: #f1f5f9;
}

.formula-inline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  font-size: 12px;
}

.formula-inline #numero-formula {
  font-weight: 700;
  color: #dc2626;
  white-space: nowrap;
  font-size: 12px;
  margin-bottom: 0;
}

body.dark-mode .formula-inline #numero-formula {
  color: #f87171;
}

.formula-inline #formula-generica {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 11px;
  font-weight: 600;
  color: #475569;
  background: rgba(248, 250, 252, 0.5);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid rgba(148, 163, 184, 0.15);
  white-space: nowrap;
}

body.dark-mode .formula-inline #formula-generica {
  color: #cbd5e1;
  background: rgba(30, 41, 59, 0.4);
  border-color: rgba(71, 85, 105, 0.3);
}

/* ── Botón unificado de descarga ── */
.descarga-unificada {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.boton-descarga-unificado {
  background: none;
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 8px;
  padding: 6px 8px;
  cursor: pointer;
  color: #94a3b8;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
}

.boton-descarga-unificado:hover {
  opacity: 1;
  color: #3b82f6;
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.05);
}

body.dark-mode .boton-descarga-unificado {
  color: #64748b;
  border-color: rgba(71, 85, 105, 0.3);
}

body.dark-mode .boton-descarga-unificado:hover {
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.3);
  background: rgba(96, 165, 250, 0.05);
}

/* ── Modal de descarga ── */
.modal-descarga {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.modal-descarga-contenido {
  background: #fff;
  border-radius: 14px;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 16px 48px -12px rgba(0, 0, 0, 0.25);
  position: relative;
}

body.dark-mode .modal-descarga-contenido {
  background: #1e293b;
  box-shadow: 0 16px 48px -12px rgba(0, 0, 0, 0.5);
}

.modal-descarga-titulo {
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  white-space: nowrap;
}

body.dark-mode .modal-descarga-titulo {
  color: #94a3b8;
}

.modal-descarga-btn {
  background: rgba(248, 250, 252, 0.8);
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  color: #334155;
  transition: all 0.2s ease;
}

.modal-descarga-btn:hover {
  background: #3b82f6;
  color: #fff;
  border-color: #3b82f6;
}

body.dark-mode .modal-descarga-btn {
  background: rgba(51, 65, 85, 0.8);
  border-color: rgba(71, 85, 105, 0.4);
  color: #e2e8f0;
}

body.dark-mode .modal-descarga-btn:hover {
  background: #3b82f6;
  color: #fff;
  border-color: #3b82f6;
}

.modal-descarga-cerrar {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: #94a3b8;
  padding: 4px 8px;
  margin-left: 4px;
  transition: color 0.2s ease;
}

.modal-descarga-cerrar:hover {
  color: #ef4444;
}

/* ── Controles de decimales ▲▼ (sutil, compartido) ── */
.decimal-control {
  display: inline-flex;
  flex-direction: column;
  gap: 0;
  margin-left: 4px;
  flex-shrink: 0;
  opacity: 0.35;
  transition: opacity 0.25s ease;
}

.decimal-control:hover {
  opacity: 0.8;
}

.decimal-control button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin: 0;
  font-size: 8px;
  line-height: 1;
  color: #64748b;
  display: block;
  transition: color 0.2s ease;
}

.decimal-control button:hover {
  color: #1e293b;
}

body.dark-mode .decimal-control button {
  color: #94a3b8;
}

body.dark-mode .decimal-control button:hover {
  color: #f1f5f9;
}

/* ── Barra de controles de decimales del gráfico ── */
.grafico-decimales-bar {
  display: flex;
  gap: 20px;
  justify-content: flex-end;
  align-items: center;
  padding: 6px 16px;
  margin-bottom: 4px;
}

.grafico-decimal-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.grafico-decimal-item span {
  font-size: 11px;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

body.dark-mode .grafico-decimal-item span {
  color: #64748b;
}



.titulo-seccion {
  font-size: 18px;
  font-weight: 700;
  color: #2c2c2c;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: rgba(250, 249, 246, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 14px;
  text-align: left;
  box-shadow: 0 1px 4px -1px rgba(0,0,0,0.06);
  letter-spacing: 0.025em;
}

/* Filas compactas mejoradas */
.fila-compacta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  align-items: end;
}

.fila-resultados {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 16px;
}

/* Campos inline mejorados */
.campo-inline {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 150px;
}

.campo-resultado {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 220px;
}

.campo-inline label,
.campo-resultado label {
  font-weight: 600;
  color: #374151;
  font-size: 12px;
  letter-spacing: 0.025em;
}

/* Inputs y selects mejorados */
input,
select {
  padding: 12px 14px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 14px;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.4s ease;
  background: rgba(255, 255, 255, 0.85);
  font-family: inherit;
  box-shadow: 0 1px 3px -1px rgba(0,0,0,0.05);
  color: #2c2c2c;
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.04);
  background: rgba(255, 255, 255, 1);
  transform: none;
}

input:hover,
select:hover {
  border-color: rgba(0, 0, 0, 0.12);
}

input[readonly] {
  background: rgba(245, 244, 240, 0.7);
  cursor: not-allowed;
  border-color: rgba(0, 0, 0, 0.04);
}

input::placeholder {
  color: #9a9890;
  font-weight: 400;
}

/* Porcentajes mejorados */
.porcentaje {
  font-size: 11px;
  color: #64748b;
  font-weight: 600;
  margin-top: 6px;
  letter-spacing: 0.025em;
}

/* Porcentajes principales más grandes */
#pct-tb,
#pct-te {
  font-size: 15px !important;
  font-weight: 700 !important;
}

/* Botón calcular mejorado */
.boton-calcular {
  background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
  color: #f0efe8;
  border: 1px solid rgba(0, 0, 0, 0.1);
  padding: 16px 32px;
  border-radius: 14px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  transition: all 0.4s ease;
  min-width: 160px;
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.15);
  letter-spacing: 0.025em;
}

.boton-calcular:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px -4px rgba(0,0,0,0.25);
  background: linear-gradient(135deg, #3a3a3a 0%, #262626 100%);
}

.boton-calcular:active {
  transform: translateY(0);
}

/* Ayuda y combinaciones mejoradas */
#ayuda,
#combinaciones {
  background: linear-gradient(135deg, rgba(248, 250, 252, 0.8) 0%, rgba(241, 245, 249, 0.8) 100%);
  border: 2px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  padding: 24px;
  margin: 16px 0;
  max-height: 320px;
  overflow-y: auto;
  font-size: 14px;
  line-height: 1.7;
  backdrop-filter: blur(20px);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.5);
}

#ayuda::-webkit-scrollbar,
#combinaciones::-webkit-scrollbar {
  width: 8px;
}

#ayuda::-webkit-scrollbar-track,
#combinaciones::-webkit-scrollbar-track {
  background: rgba(241, 245, 249, 0.5);
  border-radius: 10px;
}

#ayuda::-webkit-scrollbar-thumb,
#combinaciones::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.5);
  border-radius: 10px;
}

#ayuda::-webkit-scrollbar-thumb:hover,
#combinaciones::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.7);
}

#ayuda h3,
#ayuda h4,
#combinaciones h3,
#combinaciones h4 {
  color: #1e293b;
  margin-top: 20px;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.025em;
}

#ayuda h3:first-child,
#combinaciones h3:first-child {
  margin-top: 0;
}

#ayuda p,
#combinaciones p {
  margin-bottom: 12px;
  line-height: 1.7;
  color: #374151;
  font-weight: 500;
}

#ayuda ul,
#combinaciones ul {
  margin-left: 20px;
  margin-bottom: 16px;
}

#ayuda li,
#combinaciones li {
  margin-bottom: 6px;
  line-height: 1.6;
  color: #374151;
  font-weight: 500;
}

body.dark-mode #ayuda h3,
body.dark-mode #ayuda h4,
body.dark-mode #combinaciones h3,
body.dark-mode #combinaciones h4 {
  color: #e8e6e3;
}

body.dark-mode #ayuda p,
body.dark-mode #combinaciones p {
  color: #cbd5e1;
}

body.dark-mode #ayuda li,
body.dark-mode #combinaciones li {
  color: #cbd5e1;
}

/* Información de fórmula mejorada */
.formula-info {
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  padding: 20px;
  border-radius: 12px;
  margin-top: 20px;
  border: 2px solid rgba(59, 130, 246, 0.2);
  font-size: 14px;
  box-shadow:
    0 4px 6px -1px rgba(59, 130, 246, 0.1),
    0 0 0 1px rgba(59, 130, 246, 0.1);
}

body.dark-mode .formula-info {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.9) 100%);
  border-color: rgba(96, 165, 250, 0.3);
  box-shadow:
    0 4px 6px -1px rgba(96, 165, 250, 0.2),
    0 0 0 1px rgba(96, 165, 250, 0.2);
}

.formula-info h4 {
  color: #1e293b;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: 700;
}

body.dark-mode .formula-info h4 {
  color: #f8fafc;
}



/* Zona de gráficos optimizada */
#zona-grafico {
  margin-top: 24px;
  width: 100%;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.titulo-graficos {
  text-align: center;
  margin-bottom: 16px;
  padding: 18px;
  background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
  border-radius: 16px;
  color: white;
  box-shadow:
    0 12px 24px -6px rgba(55, 65, 81, 0.4),
    0 0 0 1px rgba(55, 65, 81, 0.1);
}

.titulo-graficos h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.025em;
}

.grafico-contenedor-principal {
  background: rgba(250, 249, 246, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 1px 6px -1px rgba(0,0,0,0.06);
  transition: all 0.5s ease;
  margin-bottom: 4px;
  overflow: visible;
}

.grafico-contenedor-principal:hover {
  box-shadow: 0 2px 10px -2px rgba(0,0,0,0.08);
}

body.dark-mode .grafico-contenedor-principal {
  background: rgba(22, 24, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.25);
}

body.dark-mode .grafico-contenedor-principal:hover {
  box-shadow: 0 4px 16px -4px rgba(0,0,0,0.3);
}

.titulo-grafico {
  margin-bottom: 20px;
  text-align: center;
}

.titulo-grafico h3 {
  margin: 0;
  color: #1e293b;
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(147, 197, 253, 0.15) 100%);
  padding: 12px 20px;
  border-radius: 10px;
  border: 2px solid rgba(59, 130, 246, 0.2);
  box-shadow:
    0 2px 4px -1px rgba(59, 130, 246, 0.1),
    0 0 0 1px rgba(59, 130, 246, 0.05);
  letter-spacing: 0.025em;
}

body.dark-mode .titulo-grafico h3 {
  color: #f8fafc;
  background: linear-gradient(135deg, rgba(96, 165, 250, 0.15) 0%, rgba(147, 197, 253, 0.1) 100%);
  border: 2px solid rgba(96, 165, 250, 0.3);
  box-shadow:
    0 2px 4px -1px rgba(96, 165, 250, 0.2),
    0 0 0 1px rgba(96, 165, 250, 0.1);
}

.grafico-canvas-area {
  position: relative;
  width: 100%;
  height: 700px;
  padding: 0;
}

.grafico-canvas-area canvas {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 2px solid rgba(148, 163, 184, 0.2);
  border-radius: 12px;
  box-shadow:
    0 4px 8px -2px rgba(0, 0, 0, 0.1),
    inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
}

body.dark-mode .grafico-canvas-area canvas {
  background: rgba(18, 20, 26, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.15);
}

/* Botón de descarga del gráfico dentro de leyendas */
.boton-descarga-grafico-leyenda {
  background: none;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 8px;
  padding: 6px 8px;
  cursor: pointer;
  color: #94a3b8;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
  margin-left: auto;
  flex-shrink: 0;
}

.boton-descarga-grafico-leyenda:hover {
  opacity: 1;
  color: #3b82f6;
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.05);
}

body.dark-mode .boton-descarga-grafico-leyenda {
  color: #64748b;
  border-color: rgba(71, 85, 105, 0.3);
}

body.dark-mode .boton-descarga-grafico-leyenda:hover {
  color: #60a5fa;
  border-color: rgba(96, 165, 250, 0.3);
  background: rgba(96, 165, 250, 0.05);
}

.timeline-contenedor-separado {
  background: rgba(250, 249, 246, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 1px 6px -1px rgba(0,0,0,0.06);
  margin-bottom: 4px;
  min-height: 100px;
}

body.dark-mode .timeline-contenedor-separado {
  background: rgba(22, 24, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.25);
}

.controles-fecha-separado {
  background: rgba(250, 249, 246, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 1px 6px -1px rgba(0,0,0,0.06);
  margin-bottom: 4px;
}

body.dark-mode .controles-fecha-separado {
  background: rgba(22, 24, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.25);
}

#nota-grafico {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  padding: 32px;
  border-radius: 16px;
  margin-top: 40px;
  font-size: 16px;
  line-height: 1.8;
  border: 2px solid rgba(148, 163, 184, 0.2);
  box-shadow:
    0 8px 16px -4px rgba(0, 0, 0, 0.1),
    0 0 0 1px rgba(255, 255, 255, 0.5);
  color: #374151;
  font-weight: 500;
  display: none;
}

/* Timeline en contenedor separado */
.timeline-container {
  position: relative;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  backdrop-filter: none;
  box-shadow: none;
}

body.dark-mode .timeline-container {
  background: transparent;
  border: none;
  box-shadow: none;
}

.timeline-info {
  text-align: center;
  margin-bottom: 16px;
  font-size: 14px;
  color: #1e293b;
  font-weight: 600;
  letter-spacing: 0.025em;
}

body.dark-mode .timeline-info {
  color: #f8fafc;
}

/* Controles de fecha en contenedor separado */
.timeline-date-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  transition: none;
  box-shadow: none;
}

body.dark-mode .timeline-date-controls {
  background: transparent;
  border: none;
  box-shadow: none;
}

.timeline-label {
  font-weight: 600;
  font-size: 13px;
  color: #000000;
  letter-spacing: 0.025em;
  white-space: nowrap;
}

body.dark-mode .timeline-label {
  color: #ffffff;
}

.timeline-input {
  padding: 8px 12px;
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.9);
  color: #000000;
  min-width: 140px;
  transition: all 0.3s ease;
  font-family: inherit;
}

body.dark-mode .timeline-input {
  background: rgba(15, 23, 42, 0.9);
  color: #ffffff;
  border: 1px solid rgba(96, 165, 250, 0.3);
}

.timeline-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
  background: rgba(255, 255, 255, 1);
}

body.dark-mode .timeline-input:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
  background: rgba(15, 23, 42, 1);
}

.timeline-input:hover {
  border-color: rgba(59, 130, 246, 0.5);
}

body.dark-mode .timeline-input:hover {
  border-color: rgba(96, 165, 250, 0.5);
}

/* Cursor personalizado para timeline */
canvas {
  cursor: default;
  user-select: none;
  transition: none;
}

canvas:hover {
  cursor: default;
}

/* Responsive design mejorado */
@media (max-width: 1200px) {
  .container {
    max-width: 1100px;
    padding: 20px;
  }

  .titulo-graficos h2 {
    font-size: 24px;
  }

  .titulo-grafico h3 {
    font-size: 18px;
  }
}

@media (max-width: 1024px) {
  .fila-compacta {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
  }

  .campo-inline {
    min-width: 140px;
  }

  .fila-resultados {
    flex-direction: column;
    gap: 20px;
  }

  .fecha-analisis-container {
    max-width: 100%;
    width: 100%;
  }

  .grafico-wrapper {
    height: 600px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 16px;
  }

  .seccion-compacta {
    padding: 20px;
  }

  .titulo-graficos h2 {
    font-size: 22px;
  }

  .titulo-grafico h3 {
    font-size: 16px;
    padding: 14px 20px;
  }

  .contenedor-grafico {
    margin-bottom: 50px;
  }

  .grafico-wrapper {
    height: 500px;
  }

  .botones-navegacion {
    justify-content: center;
  }

  .dark-mode-toggle {
    top: 16px;
    right: 16px;
    padding: 10px 16px;
    font-size: 13px;
  }

  input,
  select {
    padding: 12px 14px;
    font-size: 14px;
  }

  .boton-calcular {
    padding: 14px 28px;
    font-size: 15px;
  }
}

@media (max-width: 480px) {
  .titulo-graficos {
    padding: 20px;
    margin-bottom: 32px;
  }

  .titulo-graficos h2 {
    font-size: 20px;
  }

  .titulo-grafico h3 {
    font-size: 15px;
    padding: 12px 16px;
  }

  .contenedor-grafico {
    margin-bottom: 40px;
  }

  .grafico-wrapper {
    height: 400px;
  }

  #nota-grafico {
    padding: 24px;
    font-size: 15px;
  }

  .fila-compacta {
    grid-template-columns: 1fr;
  }

  .campo-inline {
    min-width: 100%;
  }

  .timeline-date-controls input[type="date"] {
    min-width: 100%;
  }
}

/* Estilos específicos para gráficos - Modo claro y oscuro MEJORADOS */
.chart-container {
  transition: all 0.3s ease;
}

/* Configuración global para Chart.js en modo claro */
body:not(.dark-mode) {
  --chart-text-color: #1e293b;
  --chart-title-color: #1e293b;
  --chart-legend-color: #1e293b;
  --chart-axis-color: #4a5568;
  --chart-grid-color: rgba(0, 0, 0, 0.1);
}

/* Configuración global para Chart.js en modo oscuro */
body.dark-mode {
  --chart-text-color: #ffffff;
  --chart-title-color: #ffffff;
  --chart-legend-color: #ffffff;
  --chart-axis-color: #ffffff;
  --chart-grid-color: rgba(255, 255, 255, 0.2);
}

/* Forzar colores de texto en gráficos */
body:not(.dark-mode) .chart-container canvas,
body:not(.dark-mode) .grafico-wrapper canvas {
  color: #1e293b !important;
}

body.dark-mode .chart-container canvas,
body.dark-mode .grafico-wrapper canvas {
  color: #ffffff !important;
}

/* Animaciones y transiciones suaves */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.seccion-compacta {
  animation: fadeInUp 0.6s ease-out;
}

.contenedor-grafico {
  animation: fadeInUp 0.8s ease-out;
}

*:focus-visible {
  outline: 2px solid rgba(0, 0, 0, 0.15);
  outline-offset: 2px;
  border-radius: 4px;
}

body.dark-mode *:focus-visible {
  outline-color: rgba(255, 255, 255, 0.15);
}

/* Efectos de hover mejorados */
.campo-inline:hover label {
  color: #1e293b;
  transition: color 0.3s ease;
}

body.dark-mode .campo-inline:hover label {
  color: #f8fafc;
}

/* Scrollbars personalizadas para modo oscuro */
body.dark-mode #ayuda::-webkit-scrollbar-track,
body.dark-mode #combinaciones::-webkit-scrollbar-track {
  background: rgba(30, 41, 59, 0.5);
}

body.dark-mode #ayuda::-webkit-scrollbar-thumb,
body.dark-mode #combinaciones::-webkit-scrollbar-thumb {
  background: rgba(100, 116, 139, 0.5);
}

body.dark-mode #ayuda::-webkit-scrollbar-thumb:hover,
body.dark-mode #combinaciones::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 116, 139, 0.7);
}

/* Leyendas personalizadas */
.leyendas-personalizadas {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
  padding: 16px 20px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
  border: 2px solid rgba(148, 163, 184, 0.25);
  border-radius: 12px;
  margin-bottom: 8px;
  box-shadow: 0 4px 8px -2px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.dark-mode .leyendas-personalizadas {
  background: rgba(22, 24, 30, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 1px 4px 0 rgba(0,0,0,0.2);
}

.elemento-leyenda {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
  transition: all 0.3s ease;
  user-select: none;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.dark-mode .elemento-leyenda {
  background: rgba(28, 30, 38, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.elemento-leyenda:hover {
  transform: translateY(-1px);
  background: rgba(248, 250, 252, 0.9);
  box-shadow: 0 4px 8px -2px rgba(0, 0, 0, 0.15);
}

.dark-mode .elemento-leyenda:hover {
  background: rgba(51, 65, 85, 0.7);
  box-shadow: 0 4px 8px -2px rgba(0, 0, 0, 0.3);
}

.elemento-leyenda span {
  font-size: 13px;
  font-weight: 600;
  color: #1e293b;
  transition: all 0.3s ease;
}

.dark-mode .elemento-leyenda span {
  color: #f8fafc;
}

/* Contenedores independientes para cada gráfico */
.contenedor-grafico {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.95) 100%);
  border: 2px solid rgba(148, 163, 184, 0.2);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 8px;
  backdrop-filter: blur(20px);
  box-shadow:
    0 8px 16px -4px rgba(0, 0, 0, 0.1),
    0 4px 6px -1px rgba(0, 0, 0, 0.05),
    0 0 0 1px rgba(255, 255, 255, 0.5);
}

.dark-mode .contenedor-grafico {
  background: rgba(22, 24, 30, 0.9);
  border-color: rgba(255, 255, 255, 0.04);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.25);
}

.titulo-grafico {
  margin-bottom: 20px;
}

.titulo-grafico h3 {
  color: #1e293b;
  font-size: 18px;
  font-weight: 700;
  margin: 0;
  text-align: center;
  letter-spacing: 0.025em;
}

.dark-mode .titulo-grafico h3 {
  color: #f8fafc;
}

.grafico-wrapper {
  position: relative;
  width: 100%;
  height: 700px;
  margin-bottom: 20px;
}

.grafico-wrapper canvas {
  width: 100% !important;
  height: 100% !important;
}

/* Timeline container dentro del contenedor único */
.timeline-container {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 16px 0;
  margin: 10px 0;
  backdrop-filter: none;
  box-shadow: none;
}

.dark-mode .timeline-container {
  background: transparent;
  border: none;
  box-shadow: none;
}

.timeline-info {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  margin-bottom: 12px;
  letter-spacing: 0.025em;
}

.dark-mode .timeline-info {
  color: #94a3b8;
}

.timeline-date-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 8px;
  padding: 12px 0;
}

.timeline-label {
  font-size: 12px;
  font-weight: 700;
  color: #1e293b;
  margin-right: 8px;
  letter-spacing: 0.05em;
}

body.dark-mode .timeline-label {
  color: #f8fafc;
}

.timeline-input {
  padding: 8px 12px;
  border: 2px solid rgba(148, 163, 184, 0.3);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: #1e293b;
  font-size: 12px;
  font-weight: 600;
  min-width: 140px;
  transition: all 0.3s ease;
}

.dark-mode .timeline-input {
  background: rgba(30, 41, 59, 0.9);
  border-color: rgba(71, 85, 105, 0.4);
  color: #f1f5f9;
}

.timeline-input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  background: rgba(255, 255, 255, 1);
}

.dark-mode .timeline-input:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.2);
  background: rgba(30, 41, 59, 1);
}



.dark-mode .timeline-input {
  background: #1a1a1a;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

.dark-mode .timeline-input:focus {
  border-color: #64b5f6;
}

/* Ajustes responsive para los controles del timeline */
@media (max-width: 768px) {
  .timeline-date-controls {
    flex-direction: column;
    gap: 15px;
  }

  .timeline-input {
    min-width: 150px;
  }
}

/* Variables CSS para colores */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --text-color: #1e293b;
  --text-secondary: #64748b;
  --border-color: #e2e8f0;
  --accent-color: #3b82f6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
}

.dark-mode {
  --bg-primary: #1a202c;
  --bg-secondary: #2d3748;
  --text-color: #f7fafc;
  --text-secondary: #a0aec0;
  --border-color: #4a5568;
  --accent-color: #63b3ed;
  --success-color: #68d391;
  --warning-color: #fbd38d;
  --error-color: #fc8181;
}

/* Estilos para el contenedor de tasas en layout horizontal */
.tasas-container {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.seccion-tasa {
  flex: 1;
  background: rgba(250, 249, 246, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 1px 6px -1px rgba(0,0,0,0.06);
  transition: all 0.5s ease;
}

.seccion-tasa:hover {
  box-shadow: 0 2px 10px -2px rgba(0,0,0,0.08);
}

.titulo-tasa {
  font-size: 16px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 20px;
  text-align: left;
  letter-spacing: 0.025em;
}

body.dark-mode .seccion-tasa {
  background: rgba(22, 24, 30, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.04);
  box-shadow: 0 2px 8px -2px rgba(0,0,0,0.2);
}

body.dark-mode .titulo-tasa {
  color: #e8e6e3;
}

/* Timeline canvas adjustments */
#timeline-canvas-container {
  position: relative;
  width: 100%;
  height: 80px;
  overflow: visible;
}

#timeline-canvas-container canvas {
  display: block;
  width: 100% !important;
  height: 80px !important;
}

/* ==================================================
   Rediseño visual profesional — capa final segura
   ================================================== */
:root {
  --app-bg: #eef2f6;
  --surface: #ffffff;
  --surface-subtle: #f7f9fc;
  --surface-strong: #edf3f8;
  --text-primary: #172333;
  --text-secondary: #5c6b7a;
  --text-tertiary: #637283;
  --line: #d7dfe8;
  --line-strong: #8292a5;
  --accent: #245f99;
  --accent-hover: #194c7c;
  --accent-soft: #e8f1fa;
  --button-on-accent: #ffffff;
  --success: #087453;
  --success-soft: #e7f5ef;
  --warning: #9b6205;
  --warning-soft: #fff6df;
  --warning-line: #d8b76f;
  --accent-line: #aac5df;
  --success-line: #9bcfba;
  --danger: #a33a46;
  --focus-ring: rgba(36, 95, 153, 0.22);
  --shadow-card: 0 1px 2px rgba(20, 35, 52, 0.05), 0 8px 22px rgba(20, 35, 52, 0.05);
  --shadow-raised: 0 10px 30px rgba(20, 35, 52, 0.14);
}

body.dark-mode {
  --app-bg: #10161d;
  --surface: #171f29;
  --surface-subtle: #1c2631;
  --surface-strong: #222e3a;
  --text-primary: #e5ecf4;
  --text-secondary: #a4b0be;
  --text-tertiary: #8391a1;
  --line: #2d3a48;
  --line-strong: #647589;
  --accent: #71a9e4;
  --accent-hover: #94c0ed;
  --accent-soft: rgba(76, 139, 202, 0.16);
  --button-on-accent: #10161d;
  --success: #55d0a0;
  --success-soft: rgba(45, 176, 126, 0.12);
  --warning: #efbf67;
  --warning-soft: rgba(209, 144, 42, 0.13);
  --warning-line: #67512e;
  --accent-line: #385b7d;
  --success-line: #2c5b49;
  --danger: #ee8b96;
  --focus-ring: rgba(113, 169, 228, 0.25);
  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.24), 0 10px 28px rgba(0, 0, 0, 0.18);
  --shadow-raised: 0 16px 42px rgba(0, 0, 0, 0.42);
}

body {
  background: var(--app-bg);
  background-image: none;
  color: var(--text-primary);
  font-family: "Segoe UI Variable", "Aptos", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-variant-numeric: tabular-nums lining-nums;
  letter-spacing: 0;
  transition: background-color 0.25s ease, color 0.2s ease;
  color-scheme: light;
}

body.dark-mode {
  background: var(--app-bg);
  background-image: none;
  color: var(--text-primary);
  color-scheme: dark;
}

button,
input,
select {
  font: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Toggle compacto, también protegido frente a media queries anteriores */
.dark-mode-toggle,
body.dark-mode .dark-mode-toggle {
  top: 14px;
  right: 14px;
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(20, 35, 52, 0.1);
  backdrop-filter: none;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.dark-mode-toggle:hover,
body.dark-mode .dark-mode-toggle:hover {
  background: var(--surface-strong);
  border-color: var(--line-strong);
  color: var(--accent);
  box-shadow: 0 3px 10px rgba(20, 35, 52, 0.12);
  transform: translateY(-1px);
}

.dark-mode-toggle:active,
body.dark-mode .dark-mode-toggle:active {
  transform: translateY(0);
}

.dark-mode-toggle .toggle-icon {
  width: 16px;
  height: 16px;
}

/* Tarjetas principales */
.seccion-tasa,
.grafico-contenedor-principal,
.timeline-contenedor-separado,
.controles-fecha-separado {
  background: var(--surface);
  border-color: var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
}

.seccion-tasa:hover,
.grafico-contenedor-principal:hover {
  box-shadow: var(--shadow-card);
}

body.dark-mode .seccion-tasa,
body.dark-mode .grafico-contenedor-principal,
body.dark-mode .timeline-contenedor-separado,
body.dark-mode .controles-fecha-separado {
  background: var(--surface);
  border-color: var(--line);
  box-shadow: var(--shadow-card);
}

body.dark-mode .grafico-contenedor-principal:hover {
  box-shadow: var(--shadow-card);
}

.titulo-tasa-bar {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.titulo-tasa,
body.dark-mode .titulo-tasa {
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 680;
  letter-spacing: -0.01em;
}

#seccion-te .titulo-tasa {
  order: 1;
}

#seccion-te .boton-descarga-tasas {
  order: 2;
}

.campo-inline label,
.campo-resultado label,
body.dark-mode .campo-inline label,
.fecha-navegacion label,
body.dark-mode .fecha-navegacion label {
  color: var(--text-secondary);
  font-weight: 620;
  letter-spacing: 0.01em;
}

.campo-inline:hover label,
body.dark-mode .campo-inline:hover label {
  color: var(--text-primary);
}

input,
select,
body.dark-mode input,
body.dark-mode select {
  background: var(--surface-subtle);
  color: var(--text-primary);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  box-shadow: inset 0 1px 1px rgba(20, 35, 52, 0.03);
  font-weight: 520;
  transition: border-color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease;
}

input:hover,
select:hover,
body.dark-mode input:hover,
body.dark-mode select:hover {
  border-color: var(--text-tertiary);
}

input:focus,
select:focus,
body.dark-mode input:focus,
body.dark-mode select:focus {
  background: var(--surface);
  color: var(--text-primary);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
  transform: none;
}

input::placeholder,
body.dark-mode input::placeholder {
  color: var(--text-tertiary);
  opacity: 1;
}

input[readonly],
body.dark-mode input[readonly] {
  background: var(--surface-strong);
  color: var(--text-secondary);
  border-color: var(--line);
}

#tb,
#pb,
#cb,
#pe,
#ce {
  text-align: right;
}

.fecha-navegacion input[type="date"],
body.dark-mode .fecha-navegacion input[type="date"] {
  background: var(--surface-subtle);
  color: var(--text-primary);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: none;
  backdrop-filter: none;
}

.fecha-navegacion input[type="date"]:hover,
body.dark-mode .fecha-navegacion input[type="date"]:hover {
  border-color: var(--text-tertiary);
  transform: none;
}

.fecha-navegacion input[type="date"]:focus,
body.dark-mode .fecha-navegacion input[type="date"]:focus {
  background: var(--surface);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
  transform: none;
}

/* Acciones */
.boton-mini,
body.dark-mode .boton-mini,
.modal-descarga-btn,
body.dark-mode .modal-descarga-btn {
  min-height: 38px;
  padding: 7px 13px;
  background: var(--surface-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: none;
  font-size: 14px;
  font-weight: 650;
}

.boton-mini:hover,
body.dark-mode .boton-mini:hover,
.modal-descarga-btn:hover,
body.dark-mode .modal-descarga-btn:hover {
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-color: var(--accent);
}

.boton-calcular-mini,
body.dark-mode .boton-calcular-mini {
  min-height: 38px;
  padding: 8px 22px;
  background: var(--accent);
  color: var(--button-on-accent);
  border: 1px solid var(--accent);
  border-radius: 9px;
  box-shadow: 0 3px 8px rgba(28, 79, 128, 0.18);
  font-weight: 680;
}

.boton-calcular-mini:hover,
body.dark-mode .boton-calcular-mini:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--button-on-accent);
}

.boton-descarga-tasas,
.boton-descarga-grafico-leyenda,
body.dark-mode .boton-descarga-tasas,
body.dark-mode .boton-descarga-grafico-leyenda {
  color: var(--text-secondary);
  border-color: var(--line);
  background: transparent;
  opacity: 0.88;
}

.boton-descarga-tasas:hover,
.boton-descarga-grafico-leyenda:hover,
body.dark-mode .boton-descarga-tasas:hover,
body.dark-mode .boton-descarga-grafico-leyenda:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-soft);
  opacity: 1;
}

.decimal-control {
  opacity: 0.82;
}

.decimal-control:hover {
  opacity: 1;
}

.decimal-control button,
body.dark-mode .decimal-control button {
  color: var(--text-secondary);
}

.decimal-control button:hover,
body.dark-mode .decimal-control button:hover {
  color: var(--accent);
}

.porcentaje-inline,
body.dark-mode .porcentaje-inline,
.resultado-label,
body.dark-mode .resultado-label {
  color: var(--text-secondary);
}

.resultado-pct,
body.dark-mode .resultado-pct {
  color: var(--success);
  font-size: 20px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.te-resultado-row,
body.dark-mode .te-resultado-row {
  border-top-color: var(--line);
  gap: 14px;
}

/* Fórmula matemática protagonista */
.formula-inline {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  flex: 1 1 100%;
  width: 100%;
  margin-left: 0;
  padding-top: 4px;
  min-width: 0;
}

.formula-inline #numero-formula,
body.dark-mode .formula-inline #numero-formula {
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.formula-inline #formula-generica,
body.dark-mode .formula-inline #formula-generica {
  display: block;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 8px 12px;
  background: var(--surface-subtle);
  color: var(--text-primary);
  border: 1px solid var(--line);
  border-radius: 9px;
  white-space: normal;
  font-family: "Cambria Math", "STIX Two Math", "Times New Roman", serif;
  scrollbar-width: thin;
}

.formula-math {
  display: inline-block;
  min-width: max-content;
  color: currentColor;
  font-family: "Cambria Math", "STIX Two Math", "Times New Roman", serif;
  font-size: 20px;
  line-height: 1.35;
}

/* Paneles informativos */
#ayuda,
#combinaciones,
#guia-casos,
body.dark-mode #ayuda,
body.dark-mode #combinaciones,
body.dark-mode #guia-casos {
  max-height: min(70vh, 680px);
  padding: 26px;
  margin: 16px 0 20px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  backdrop-filter: none;
  color: var(--text-primary);
}

#ayuda h3,
#ayuda h4,
#combinaciones h3,
#combinaciones h4,
#guia-casos h3,
#guia-casos h4,
body.dark-mode #ayuda h3,
body.dark-mode #ayuda h4,
body.dark-mode #combinaciones h3,
body.dark-mode #combinaciones h4,
body.dark-mode #guia-casos h3,
body.dark-mode #guia-casos h4 {
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

#ayuda p,
#ayuda li,
#combinaciones p,
#combinaciones li,
#guia-casos p,
#guia-casos li,
body.dark-mode #ayuda p,
body.dark-mode #ayuda li,
body.dark-mode #combinaciones p,
body.dark-mode #combinaciones li,
body.dark-mode #guia-casos p,
body.dark-mode #guia-casos li {
  color: var(--text-secondary);
  font-weight: 450;
}

#ayuda::-webkit-scrollbar-track,
#combinaciones::-webkit-scrollbar-track,
#guia-casos::-webkit-scrollbar-track,
body.dark-mode #ayuda::-webkit-scrollbar-track,
body.dark-mode #combinaciones::-webkit-scrollbar-track,
body.dark-mode #guia-casos::-webkit-scrollbar-track {
  background: var(--surface-subtle);
}

#ayuda::-webkit-scrollbar-thumb,
#combinaciones::-webkit-scrollbar-thumb,
#guia-casos::-webkit-scrollbar-thumb,
body.dark-mode #ayuda::-webkit-scrollbar-thumb,
body.dark-mode #combinaciones::-webkit-scrollbar-thumb,
body.dark-mode #guia-casos::-webkit-scrollbar-thumb {
  background: var(--line-strong);
}

.guia-casos-encabezado {
  max-width: 920px;
  margin-bottom: 18px;
}

.guia-casos-kicker {
  margin-bottom: 4px !important;
  color: var(--accent) !important;
  font-size: 14px;
  font-weight: 720 !important;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.guia-casos-encabezado h3 {
  margin: 0 0 8px;
  font-size: 24px;
}

.guia-alerta {
  display: grid;
  gap: 4px;
  margin: 18px 0;
  padding: 14px 16px;
  background: var(--warning-soft);
  color: var(--text-secondary);
  border: 1px solid var(--warning-line);
  border-left: 4px solid var(--warning);
  border-radius: 10px;
}

.guia-alerta strong {
  color: var(--text-primary);
}

.guia-pasos {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.guia-paso {
  display: flex;
  gap: 12px;
  padding: 14px;
  background: var(--surface-subtle);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.guia-paso-numero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  flex: 0 0 26px;
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 760;
}

.guia-paso h4,
.guia-caso h4,
.guia-equivalencia h4 {
  margin: 0 0 6px !important;
  font-size: 17px !important;
}

.guia-paso p,
.guia-caso p,
.guia-equivalencia p {
  margin: 0 !important;
  font-size: 16px;
  line-height: 1.55 !important;
}

.guia-alerta span,
.guia-casos li {
  font-size: 16px;
  line-height: 1.55;
}

.guia-casos-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.guia-caso {
  padding: 16px;
  background: var(--surface-subtle);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.guia-caso dl {
  display: grid;
  gap: 6px;
  margin: 10px 0;
}

.guia-caso dl div {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 8px;
}

.guia-caso dt {
  color: var(--text-tertiary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.guia-caso dd {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 570;
}

.guia-caso-cheque {
  grid-column: 1 / -1;
  background: var(--accent-soft);
  border-color: var(--accent-line);
}

.guia-caso-cheque ul {
  margin: 10px 0 0 18px !important;
}

.guia-caso-cheque li {
  margin-bottom: 5px !important;
}

.guia-equivalencia {
  padding: 16px;
  background: var(--success-soft);
  border: 1px solid var(--success-line);
  border-radius: 10px;
}

.guia-equivalencia p + p {
  margin-top: 8px !important;
}

#combinaciones .formula-estatica-matematica,
body.dark-mode #combinaciones .formula-estatica-matematica {
  margin: 4px 0 18px;
  padding: 10px 12px;
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--surface-subtle);
  color: var(--text-primary);
  border: 1px solid var(--line);
  border-radius: 9px;
  font-family: "Cambria Math", "STIX Two Math", "Times New Roman", serif;
  white-space: nowrap;
}

#combinaciones .formula-estatica-matematica .formula-math {
  font-size: 18px;
}

/* Gráfico, leyendas y timeline */
.grafico-canvas-area canvas,
body.dark-mode .grafico-canvas-area canvas {
  background: var(--surface-subtle);
  border-color: var(--line);
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px rgba(20, 35, 52, 0.015);
}

.leyendas-personalizadas,
body.dark-mode .leyendas-personalizadas {
  background: var(--surface-subtle) !important;
  border-color: var(--line) !important;
  border-radius: 10px !important;
  box-shadow: none !important;
}

.elemento-leyenda,
body.dark-mode .elemento-leyenda {
  background: var(--surface) !important;
  border-color: var(--line) !important;
  border-radius: 7px !important;
  box-shadow: none;
}

.elemento-leyenda:hover,
body.dark-mode .elemento-leyenda:hover {
  background: var(--accent-soft) !important;
  border-color: var(--line-strong) !important;
  box-shadow: none;
  transform: none;
}

.elemento-leyenda span,
body.dark-mode .elemento-leyenda span {
  color: var(--text-primary) !important;
}

.elemento-leyenda span[style*="line-through"],
body.dark-mode .elemento-leyenda span[style*="line-through"] {
  color: var(--text-tertiary) !important;
}

.grafico-decimal-item span,
body.dark-mode .grafico-decimal-item span {
  color: var(--text-tertiary);
}

.timeline-label,
body.dark-mode .timeline-label {
  color: var(--text-secondary);
  font-weight: 680;
  letter-spacing: 0.04em;
}

.timeline-input,
body.dark-mode .timeline-input {
  padding: 8px 12px;
  background: var(--surface-subtle);
  color: var(--text-primary);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  box-shadow: none;
  font-size: 12px;
  font-weight: 600;
}

.timeline-input:hover,
body.dark-mode .timeline-input:hover {
  border-color: var(--text-tertiary);
}

.timeline-input:focus,
body.dark-mode .timeline-input:focus {
  background: var(--surface);
  color: var(--text-primary);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.timeline-date-controls > div {
  min-width: 0;
}

.timeline-date-controls input.timeline-input[type="date"],
body.dark-mode .timeline-date-controls input.timeline-input[type="date"] {
  width: auto;
  min-width: 0;
  max-width: 100%;
  flex: 1 1 150px;
}

/* Modales */
.modal-descarga {
  background: rgba(12, 20, 29, 0.42);
  backdrop-filter: blur(3px);
}

.modal-descarga-contenido,
body.dark-mode .modal-descarga-contenido {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow-raised);
}

.modal-descarga-titulo,
body.dark-mode .modal-descarga-titulo {
  color: var(--text-secondary);
}

.modal-descarga-cerrar {
  color: var(--text-tertiary);
}

.modal-descarga-cerrar:hover {
  color: var(--danger);
}

/* Responsive real de los componentes presentes */
@media (max-width: 960px) {
  .tasas-container {
    flex-direction: column;
  }

  .guia-pasos {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dark-mode-toggle,
  body.dark-mode .dark-mode-toggle {
    top: 12px;
    right: 12px;
    width: 34px;
    height: 34px;
    min-width: 34px;
    min-height: 34px;
    padding: 0;
    font-size: inherit;
  }

  .titulo-tasa-controles {
    width: 100%;
  }

  .formula-inline {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .grafico-canvas-area {
    height: 560px;
  }

  .timeline-date-controls > div {
    width: min(100%, 360px);
  }

  .timeline-input {
    width: 100%;
    min-width: 0;
  }

  .guia-casos-grid {
    grid-template-columns: 1fr;
  }

  .guia-caso-cheque {
    grid-column: auto;
  }

  .modal-descarga-contenido {
    max-width: calc(100vw - 32px);
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .seccion-tasa,
  #ayuda,
  #combinaciones,
  #guia-casos {
    padding: 18px;
  }

  .titulo-tasa-controles .fecha-navegacion {
    width: 100%;
  }

  .titulo-tasa-controles .fecha-navegacion input[type="date"] {
    min-width: 0;
    width: 100%;
  }

  .timeline-date-controls > div {
    flex-direction: column;
    align-items: stretch !important;
    gap: 6px !important;
  }

  .timeline-date-controls input.timeline-input[type="date"],
  body.dark-mode .timeline-date-controls input.timeline-input[type="date"] {
    width: 100%;
    min-width: 0;
    flex-basis: auto;
  }

  .grafico-canvas-area {
    height: 480px;
  }

  .guia-caso dl div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .formula-math {
    font-size: 18px;
  }
}

/* ==================================================
   Perfiles de visualización y nitidez de canvas
   ================================================== */
.layout-mode-toggle,
body.dark-mode .layout-mode-toggle {
  position: fixed;
  top: 14px;
  right: 56px;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  min-width: 34px;
  min-height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text-secondary);
  box-shadow: 0 2px 8px rgba(20, 35, 52, 0.1);
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.layout-mode-toggle:hover,
body.dark-mode .layout-mode-toggle:hover {
  background: var(--surface-strong);
  border-color: var(--line-strong);
  color: var(--accent);
  transform: translateY(-1px);
}

.layout-mode-toggle:active,
body.dark-mode .layout-mode-toggle:active {
  transform: translateY(0);
}

.layout-mode-icon {
  position: relative;
  display: none;
  color: currentColor;
}

.icon-layout-desktop {
  display: block;
  width: 16px;
  height: 11px;
  border: 1.6px solid currentColor;
  border-radius: 2px;
}

.icon-layout-desktop::before {
  content: "";
  position: absolute;
  left: 6px;
  bottom: -4px;
  width: 2px;
  height: 3px;
  background: currentColor;
}

.icon-layout-desktop::after {
  content: "";
  position: absolute;
  left: 3px;
  bottom: -5px;
  width: 8px;
  height: 1.6px;
  border-radius: 2px;
  background: currentColor;
}

.icon-layout-mobile {
  width: 10px;
  height: 17px;
  border: 1.6px solid currentColor;
  border-radius: 3px;
}

.icon-layout-mobile::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 1px;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: currentColor;
  transform: translateX(-50%);
}

body.view-mobile .icon-layout-desktop {
  display: none;
}

body.view-mobile .icon-layout-mobile {
  display: block;
}

body.view-desktop {
  min-width: 1000px;
  overflow-x: auto;
}

body.view-desktop .container {
  width: 100%;
  max-width: none;
  padding: clamp(14px, 1.25vw, 24px);
}

body.view-desktop .tasas-container {
  flex-direction: row;
  gap: 18px;
  margin-bottom: 14px;
}

body.view-desktop .seccion-tasa {
  padding: 20px;
}

body.view-desktop .titulo-tasa-controles,
body.view-desktop .titulo-tasa-controles .fecha-navegacion {
  width: auto;
}

body.view-desktop .titulo-tasa-controles .fecha-navegacion input[type="date"] {
  width: auto;
  min-width: 130px;
}

body.view-desktop .fila-compacta {
  grid-template-columns: repeat(auto-fit, minmax(135px, 1fr));
  gap: 12px;
}

body.view-desktop .campo-inline {
  min-width: 135px;
}

body.view-desktop .formula-inline {
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 10px;
}

body.view-desktop .formula-math {
  font-size: 20px;
}

body.view-desktop #seccion-te .titulo-tasa-bar {
  padding-right: 82px;
}

body.view-desktop #zona-grafico {
  margin-top: 16px;
}

body.view-desktop .grafico-contenedor-principal {
  padding: 18px;
}

body.view-desktop .grafico-canvas-area {
  height: clamp(480px, 58vh, 680px);
  height: clamp(480px, 58dvh, 680px);
}

body.view-desktop .timeline-contenedor-separado,
body.view-desktop .controles-fecha-separado {
  padding: 14px;
}

body.view-desktop .timeline-date-controls {
  flex-direction: row;
  gap: 30px;
}

body.view-desktop .timeline-date-controls > div {
  width: auto;
  flex-direction: row;
  align-items: center !important;
  gap: 12px !important;
}

body.view-desktop .timeline-date-controls input.timeline-input[type="date"],
body.view-desktop.dark-mode .timeline-date-controls input.timeline-input[type="date"] {
  width: auto;
  min-width: 0;
  flex: 1 1 150px;
}

body.view-desktop .guia-pasos {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.view-desktop .guia-casos-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

body.view-desktop .guia-caso-cheque {
  grid-column: 1 / -1;
}

body.view-desktop .guia-caso dl div {
  grid-template-columns: 82px 1fr;
  gap: 8px;
}

body.view-desktop #ayuda,
body.view-desktop #combinaciones,
body.view-desktop #guia-casos {
  padding: 26px;
}

body.view-mobile {
  min-width: 0;
  overflow-x: hidden;
}

body.view-mobile .container {
  width: min(100%, 560px);
  max-width: 560px;
  padding: 56px 12px 14px;
}

body.view-mobile .tasas-container {
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

body.view-mobile .seccion-tasa {
  padding: 16px;
}

body.view-mobile .fila-compacta {
  grid-template-columns: 1fr;
  gap: 12px;
}

body.view-mobile .campo-inline,
body.view-mobile .titulo-tasa-controles,
body.view-mobile .titulo-tasa-controles .fecha-navegacion {
  width: 100%;
  min-width: 0;
}

body.view-mobile .titulo-tasa-controles {
  align-items: stretch;
}

body.view-mobile .titulo-tasa-controles .fecha-navegacion {
  flex: 1 1 100%;
}

body.view-mobile .titulo-tasa-controles .fecha-navegacion input[type="date"] {
  width: 100%;
  min-width: 0;
}

body.view-mobile input,
body.view-mobile select,
body.view-mobile .boton-mini,
body.view-mobile .boton-calcular-mini {
  min-height: 44px;
}

body.view-mobile .titulo-tasa-controles .boton-mini {
  flex: 1 1 0;
}

body.view-mobile .formula-inline {
  grid-template-columns: 1fr;
  gap: 6px;
}

body.view-mobile #zona-grafico {
  margin-top: 14px;
}

body.view-mobile .grafico-contenedor-principal,
body.view-mobile .timeline-contenedor-separado,
body.view-mobile .controles-fecha-separado {
  padding: 12px;
}

body.view-mobile .grafico-canvas-area {
  height: clamp(460px, 62vh, 560px);
  height: clamp(460px, 62svh, 560px);
}

body.view-mobile .leyendas-personalizadas {
  gap: 8px !important;
  justify-content: flex-start !important;
  padding: 8px 10px !important;
}

body.view-mobile .elemento-leyenda {
  padding: 8px 10px !important;
}

body.view-mobile .timeline-date-controls {
  flex-direction: column;
  gap: 12px;
}

body.view-mobile .timeline-date-controls > div {
  width: 100%;
  flex-direction: column;
  align-items: stretch !important;
  gap: 6px !important;
}

body.view-mobile .timeline-date-controls input.timeline-input[type="date"],
body.view-mobile.dark-mode .timeline-date-controls input.timeline-input[type="date"] {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  flex-basis: auto;
}

body.view-mobile .guia-pasos,
body.view-mobile .guia-casos-grid {
  grid-template-columns: 1fr;
}

body.view-mobile .guia-caso-cheque {
  grid-column: auto;
}

.grafico-canvas-area canvas,
body.dark-mode .grafico-canvas-area canvas {
  border: 0;
  border-radius: 10px;
  box-shadow: inset 0 0 0 1px var(--line);
}

.grafico-contenedor-principal {
  transition: background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

#timeline-canvas-container canvas {
  touch-action: pan-y;
}

@media (max-width: 768px) {
  .layout-mode-toggle,
  body.dark-mode .layout-mode-toggle {
    top: 12px;
    right: 54px;
  }
}

/* Jerarquía visual del resultado principal */
#pct-te.resultado-pct {
  font-size: clamp(25px, 1.8vw, 30px) !important;
}

body.view-mobile #pct-te.resultado-pct {
  font-size: clamp(24px, 6.5vw, 27px) !important;
}