/* =============================================================
   Simulator layout — grid 2 columnas, resumen del plan, colapsables.
   Se carga despues de design-system.css, style.css y app-chrome.css.
   ============================================================= */

:root {
    --layout-max-width: 1400px;
    --layout-aside-width: 440px;
    --layout-gap: var(--space-6);
    --layout-header-offset: 60px;
    --plan-summary-divider-gap: var(--space-4);
    --portfolio-bar-height: 8px;
    --portfolio-segment-acc: #3B82F6;
    --portfolio-segment-bonds: #F59E0B;
    --portfolio-segment-crypto: #A855F7;
    --collapsible-border: var(--border-sutil);
    --empty-state-icon-size: 48px;
}

/* ============================================================
   LAYOUT PRINCIPAL — sobre <main class="calculator-wrapper simulator-layout">
   ============================================================ */
.calculator-wrapper.simulator-layout {
    display: grid;
    grid-template-columns: var(--layout-aside-width) 1fr;
    gap: var(--layout-gap);
    max-width: var(--layout-max-width);
    margin: 0 auto;
    padding: var(--space-6);
    min-height: calc(100vh - var(--layout-header-offset));
    align-items: start;
}

.calculator-wrapper.simulator-layout .config-panel {
    width: auto;
    flex-shrink: 0;
    background: var(--surface-1);
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    border: var(--border-width) solid var(--border-sutil);
    box-shadow: var(--shadow-card);
    align-self: start;
    position: sticky;
    top: calc(var(--layout-header-offset) + var(--space-4));
}

/* Permitimos que la columna se mantenga en flujo normal (sin flex ni gap
   forzados) para no romper el espaciado heredado entre hijos. Solo
   activamos el scroll interno cuando el contenido excede de verdad la
   altura disponible, asi evitamos panels con scroll innecesario. */
@media (min-height: 720px) {
    .calculator-wrapper.simulator-layout .config-panel {
        max-height: calc(100vh - var(--layout-header-offset) - var(--space-8));
        overflow-y: auto;
        overflow-x: hidden;
        scrollbar-width: thin;
        scrollbar-color: var(--border-activo) transparent;
    }
    .calculator-wrapper.simulator-layout .config-panel::-webkit-scrollbar { width: 4px; }
    .calculator-wrapper.simulator-layout .config-panel::-webkit-scrollbar-track { background: transparent; }
    .calculator-wrapper.simulator-layout .config-panel::-webkit-scrollbar-thumb {
        background: var(--border-activo);
        border-radius: 2px;
    }
}

.calculator-wrapper.simulator-layout .results-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    min-height: 600px;
    min-width: 0;
}

/* CTA del panel de configuracion: mantiene el flujo en bloque del legacy
   (el `.sidebar-footer` ya trae `margin-top: 20px; border-top; padding-top`),
   pero asegura que los hijos se respiran. NO forzamos display:flex ni
   margin-top:auto porque el `.sidebar-footer` legacy contiene otras secciones
   (Calculadora Avanzada, Mis Simulaciones) que requieren flujo en bloque. */
.config-cta > .btn-run.btn-simulate,
.config-cta > .btn-run,
.config-cta > .btn-small {
    width: 100%;
}

.config-cta .config-actions-row {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: stretch;
}

.config-cta .config-actions-row > * {
    flex: 1 1 0;
    min-width: 0;
}

/* Reglas de tab-content ya provistas por style.css legacy:
   .tab-content { display: none; animation: fadeInTab; }
   .tab-content.active { display: block; }
   No las redeclaramos para evitar conflictos con la animacion del legacy. */

/* ============================================================
   EMPTY STATE — placeholder antes de simular
   ============================================================ */
.results-empty {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.results-empty[hidden] {
    display: none !important;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    padding: var(--space-16) var(--space-6);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-family: var(--font-ui);
}

.empty-state .icon {
    color: var(--border-activo);
}

.empty-state p {
    margin: 0;
    max-width: 28ch;
    line-height: 1.5;
}

/* ============================================================
   PLAN SUMMARY CARD (PROMPT 2.3)
   ============================================================ */
.plan-summary-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

/* Tokens del design system por encima de style.css .card (--panel claro) */
body.dark-mode .plan-summary-card.card {
    background: var(--surface-1);
    border-color: var(--border-sutil);
    color: var(--text-primary);
    box-shadow: var(--shadow-card);
}

body.dark-mode .plan-summary-card .plan-summary-title,
body.dark-mode .plan-summary-card .metric-label,
body.dark-mode .plan-summary-card .legend-item {
    color: var(--text-secondary);
}

body.dark-mode .plan-summary-card .metric-value,
body.dark-mode .plan-summary-card .legend-item strong {
    color: var(--text-primary);
}

.plan-summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
}

.plan-summary-title {
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin: 0;
}

.plan-summary-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.summary-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    min-width: 0;
}

.summary-item .metric-value {
    font-size: var(--text-lg);
    color: var(--text-primary);
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.plan-summary-divider.divider {
    margin: 0;
}

.plan-summary-portfolio {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.portfolio-bar {
    display: flex;
    height: var(--portfolio-bar-height);
    border-radius: var(--radius-full);
    overflow: hidden;
    background: var(--surface-3);
}

.portfolio-bar-segment {
    width: var(--pct, 0%);
    background: var(--color, var(--accent));
    transition: width 0.4s ease;
}

.portfolio-bar-segment[hidden] {
    display: none !important;
}

.portfolio-legend {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.legend-item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-ui);
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.legend-item strong {
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}

.plan-summary-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.summary-metric-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
}

.summary-metric-row .font-mono {
    color: var(--text-primary);
}

/* ============================================================
   COLLAPSIBLE SECTION (PROMPT 2.2)
   ============================================================ */
.collapsible-section {
    border: var(--border-width) solid var(--collapsible-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface-1);
}

.collapsible-section + .collapsible-section {
    margin-top: var(--space-3);
}

.collapsible-trigger {
    width: 100%;
    max-width: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--surface-1);
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-ui);
    font-size: var(--text-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
    text-align: left;
    overflow: hidden;
    min-width: 0;
}

.collapsible-trigger:hover {
    background: var(--surface-2);
    color: var(--text-primary);
}

.collapsible-trigger[aria-expanded="true"] {
    color: var(--text-primary);
    border-bottom: var(--border-width) solid var(--collapsible-border);
}

.collapsible-trigger .collapsible-icon {
    display: inline-flex;
    color: var(--accent);
}

.collapsible-trigger .collapsible-icon.text-danger {
    color: var(--danger);
}

.collapsible-trigger .collapsible-icon.text-warning {
    color: var(--warning);
}

.collapsible-title {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.collapsible-badge {
    flex-shrink: 0;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1;
    background: var(--surface-3);
    color: var(--text-secondary);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    min-width: 22px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-sizing: border-box;
}

.collapsible-badge[data-count="0"] {
    display: none;
}

.collapsible-section .collapsible-trigger > .info-icon,
.collapsible-section .collapsible-trigger > .collapsible-chevron {
    flex-shrink: 0;
}

.collapsible-chevron {
    transition: transform var(--transition-fast);
    color: var(--text-muted);
}

.collapsible-trigger[aria-expanded="true"] .collapsible-chevron {
    transform: rotate(180deg);
}

.collapsible-content {
    padding: var(--space-4);
    background: var(--surface-1);
    animation: fadeInUp 0.2s ease;
}

.collapsible-content[hidden] {
    display: none !important;
}

/* La info-icon dentro de un trigger no debe disparar el toggle */
.collapsible-trigger .info-icon {
    cursor: help;
    pointer-events: auto;
}

/* ============================================================
   CAMPOS .field (PROMPT 2.2)
   ============================================================ */
.field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.field-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.field-help {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-muted);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.field-help:hover {
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper > .input {
    width: 100%;
}

.input-wrapper .input-suffix,
.input-wrapper .input-prefix {
    position: absolute;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--text-muted);
    pointer-events: none;
}

.input-wrapper .input-suffix {
    right: var(--space-3);
}

.input-wrapper .input-prefix {
    left: var(--space-3);
}

/* Select estilizado dentro del nuevo sistema */
select.input {
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%234B5675' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

/* Slider personalizado */
input[type="range"].input-range {
    -webkit-appearance: none;
    appearance: none;
    height: var(--space-1);
    background: var(--surface-3);
    border-radius: 2px;
    border: none;
    padding: 0;
}

input[type="range"].input-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-glow-strong);
    border: none;
}

input[type="range"].input-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 8px var(--accent-glow-strong);
    border: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .calculator-wrapper.simulator-layout {
        grid-template-columns: 1fr;
    }
    .calculator-wrapper.simulator-layout .config-panel {
        position: static;
        max-height: none;
        overflow: visible;
    }
}

@media (max-width: 768px) {
    .calculator-wrapper.simulator-layout {
        padding: var(--space-4);
        gap: var(--space-4);
    }
    .plan-summary-grid {
        grid-template-columns: 1fr;
    }
    .config-cta .config-actions-row {
        flex-direction: column;
    }
}