/* =========================================
   DESIGN TOKENS
   =========================================
   Regla: Ningún color hex debe aparecer fuera
   de este bloque y del bloque dark-mode.
   Si necesitas un color nuevo, añade una variable.
   ========================================= */
:root {
    /* Colores primarios */
    --primary:        #2563eb;
    --primary-hover:  #1d4ed8;
    --primary-dim:    rgba(37, 99, 235, 0.1);

    /* Superficies */
    --bg:             #f1f5f9;
    --panel:          #ffffff;
    --surface:        #f8fafc;   /* inputs, stat-box, filas dinámicas */

    /* Texto */
    --text:           #1e293b;
    --text-muted:     #64748b;   /* texto secundario, fechas */
    --text-label:     #475569;   /* etiquetas de formulario */
    --text-dim:       #94a3b8;   /* very secondary */
    --btn-text:       #ffffff;   /* Texto de botones primarios */
    --disabled-bg:    #e2e8f0;
    --disabled-text:  #64748b;

    /* Bordes */
    --border:         #e2e8f0;
    --border-strong:  #cbd5e1;

    /* Semánticos fijos (footer siempre oscuro) */
    --footer-bg:      #0f172a;
    --footer-text:    #f8fafc;

    /* Escala de espaciado */
    --space-xs:   4px;
    --space-sm:   8px;
    --space-md:   16px;
    --space-lg:   24px;
    --space-xl:   40px;

    /* Escala de radio */
    --radius-sm:   6px;
    --radius-md:   8px;
    --radius-lg:   12px;
    --radius-xl:   16px;
    --radius-full: 9999px;

    /* Sombras */
    --shadow-sm: 0 2px 4px rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);

    /* Colores semánticos de texto (se invierten en dark mode) */
    --color-red:    #dc2626;
    --color-yellow: #92400e;
    --color-green:  #059669;
    --color-blue:   #2563eb;
    --color-purple: #7e22ce;

    /* Checkbox / toggle */
    --checkbox-bg:     #e0e7ff;
    --checkbox-border: #c7d2fe;
    --checkbox-text:   #3730a3;

    /* Panel verde (estrategias avanzadas, plusvalías) */
    --panel-green-bg:     #f0fdf4;
    --panel-green-border: #bbf7d0;
    --panel-green-deep:   #f0fdf4;

    /* Texto acento en paneles de estrategia */
    --accent-blue-label:  var(--text-label);
    --accent-green-label: #166534;
    --accent-green-leaf:  #059669;

    /* Tipo de flujo (cf-val) */
    --type-aportar-bg:     #d1fae5;
    --type-aportar-border: #10b981;
    --type-aportar-text:   #064e3b;
    --type-retirar-bg:     #fee2e2;
    --type-retirar-border: #ef4444;
    --type-retirar-text:   #7f1d1d;

    /* Componentes con fondo distinto en dark */
    --cta-bg:          var(--panel);
    --related-card-bg: var(--panel);
}

/* =========================================
   MODO OSCURO — SOLO VARIABLES
   =========================================
   Este es el ÚNICO bloque que modifica el
   dark mode. No añadir selectores de elementos
   aquí abajo; el sistema de variables lo hace
   automáticamente.
   ========================================= */
body.dark-mode {
    color-scheme: dark;

    --bg:            #0f172a;
    --panel:         #1e293b;
    --surface:       #0f172a;
    --text:          #f8fafc;
    --text-muted:    #94a3b8;
    --text-label:    #94a3b8;
    --text-dim:      #64748b;
    --btn-text:      #ffffff;
    --disabled-bg:   #334155;
    --disabled-text: #94a3b8;
    --border:        #334155;
    --border-strong: #475569;
    --footer-bg:     #020617;

    /* Colores semánticos invertidos */
    --color-red:    #f87171;
    --color-yellow: #fbbf24;
    --color-green:  #34d399;
    --color-blue:   #60a5fa;
    --color-purple: #c084fc;

    /* Checkbox */
    --checkbox-bg:     #1e1b4b;
    --checkbox-border: #3730a3;
    --checkbox-text:   #a5b4fc;

    /* Panel verde */
    --panel-green-bg:     #022c22;
    --panel-green-border: #065f46;
    --panel-green-deep:   #022c22;

    /* Texto acento en paneles de estrategia */
    --accent-blue-label:  #93c5fd;
    --accent-green-label: #86efac;
    --accent-green-leaf:  #4ade80;

    /* Tipo de flujo (cf-val) */
    --type-aportar-bg:   rgba(16, 185, 129, 0.25);
    --type-aportar-text: #4ade80;
    --type-retirar-bg:   rgba(239, 68, 68, 0.25);
    --type-retirar-text: #f87171;

    /* Componentes */
    --cta-bg:          var(--primary-dim);
    --related-card-bg: var(--surface);
}

/* =========================================
   MODO ALTO CONTRASTE — MEJORA ACCESIBILIDAD
   ========================================= */
body.high-contrast-mode {
    color-scheme: dark;

    --bg:            #000000;
    --panel:         #000000;
    --surface:       #000000;
    --text:          #ffffff;
    --text-muted:    #e2e8f0;
    --text-label:    #ffffff;
    --text-dim:      #cbd5e1;
    --btn-text:      #000000;
    --disabled-bg:   #333333;
    --disabled-text: #a0a0a0;
    --border:        #ffffff;
    --border-strong: #ffffff;
    --footer-bg:     #000000;

    /* Colores semánticos invertidos y saturados (Neón) */
    --primary: #ffff00;
    --primary-hover: #facc15;
    --primary-dim: rgba(255, 255, 0, 0.2);

    --color-red:    #ff3333;
    --color-yellow: #ffff00;
    --color-green:  #00ff00;
    --color-blue:   #33ccff;
    --color-purple: #ff33ff;

    --checkbox-bg:     #000000;
    --checkbox-border: #ffffff;
    --checkbox-text:   #ffff00;

    --panel-green-bg:     #000000;
    --panel-green-border: #00ff00;
    --panel-green-deep:   #000000;

    --accent-blue-label:  #33ccff;
    --accent-green-label: #00ff00;
    --accent-green-leaf:  #00ff00;

    --type-aportar-bg:   #000000;
    --type-aportar-text: #00ff00;
    --type-aportar-border: #00ff00;
    --type-retirar-bg:   #000000;
    --type-retirar-text: #ff3333;
    --type-retirar-border: #ff3333;
}


/* =========================================
   MODO BÁSICO/AVANZADO — PROGRESSIVE DISCLOSURE
   ========================================= */
.adv-only {
    display: none;
}
body.advanced-mode .adv-only {
    display: block;
}
body.advanced-mode .adv-only.grid-2-col,
body.advanced-mode .adv-only.grid-3-col {
    display: grid;
}
body.advanced-mode .adv-only-flex {
    display: flex;
}
/* Campo simplificado visible solo en modo básico */
.basic-only {
    display: block;
}
body.advanced-mode .basic-only {
    display: none !important;
}

/* Layouts para tablas de flujos se han movido abajo para mayor especificidad */

/* Ocultar columna "Cuenta" en Modo Básico */
body:not(.advanced-mode) .i18n-th_account,
body:not(.advanced-mode) .cf-account {
    display: none !important;
}

.flows-grid-layout > *, .extra-grid-layout > * {
    min-width: 0;
}

/* Optimización de espacio en los inputs de las tablas */
.flows-grid-layout input, 
.flows-grid-layout select,
.extra-grid-layout input, 
.extra-grid-layout select {
    padding-left: 4px;
    padding-right: 4px;
    text-overflow: ellipsis;
}

/* =========================================
   RESET Y BASE
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

/* Scrollbars Premium (Mejora visual para Windows/Linux) */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Transición suave en todos los componentes temáticos */
.card, .sidebar, .site-header, input, select, textarea, details {
    transition: background-color 0.3s, border-color 0.3s, color 0.3s, box-shadow 0.3s;
}

/* =========================================
   CABECERA Y NAVEGACIÓN
   ========================================= */
.btn-theme {
    background: transparent;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: var(--radius-full);
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-theme:hover { background: var(--border); }

/* Aseguramos que la campana y la luna sean cuadrados perfectos y del mismo tamaño ignorando los paddings */
#btnNotifications, #themeToggle {
    width: 42px;
    height: 42px;
    padding: 0 !important;
    flex-shrink: 0;
}

.site-header {
    background: var(--panel);
    box-shadow: 0 1px 4px rgb(0 0 0 / 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    margin-bottom: 30px;
    transition: box-shadow 0.3s ease;
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
    gap: 15px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
    position: relative;
    transition: padding 0.3s ease, gap 0.3s ease;
}
.header-logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

/* Centrado perfecto del logo en pantallas grandes */
@media (min-width: 1100px) {
    .header-content::before {
        content: "";
        flex: 1;
    }
    .controls-top {
        flex: 1;
        justify-content: flex-end;
    }
}
.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
    max-height: 150px;
    opacity: 1;
    overflow: hidden;
}
.logo-icon { font-size: 2rem; }
.logo-area h1 {
    color: var(--text);
    font-size: 1.4rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.5px;
}
.controls-top {
    display: flex;
    gap: 12px;
    margin-left: auto;
    z-index: 10;
    align-items: center;
}
.select-top {
    padding: 8px 15px;
    border-radius: var(--radius-full);
    border: 1px solid var(--border-strong);
    font-size: 0.9rem;
    background-color: var(--surface);
    color: var(--text-muted);
    cursor: pointer;
    font-weight: 600;
    outline: none;
    transition: all 0.2s ease;
        max-width: 100%;
        text-overflow: ellipsis;
}
.select-top:hover, .select-top:focus {
    border-color: var(--primary);
    color: var(--primary);
}

/* =========================================
   LAYOUT PRINCIPAL
   ========================================= */
.calculator-wrapper {
    display: flex;
    gap: 20px;
    max-width: 1600px;
    margin: 0 auto;
    align-items: stretch;
    padding: 0 20px;
}
.sidebar {
    width: 420px;
    flex-shrink: 0;
    background: var(--panel);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-width: 0;
}
.card {
    background: var(--panel);
    padding: 20px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}
.chart-card { min-height: 450px; display: flex; flex-direction: column; }
#chart-container { flex: 1; position: relative; width: 100%; min-height: 400px; }

.section-title {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 10px;
    margin-top: 20px;
    padding-bottom: 5px;
    border-bottom: 2px solid var(--border);
    color: var(--text);
}
.section-title:first-child { margin-top: 0; }

/* =========================================
   TOOLTIPS (INFO ICONS)
   ========================================= */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--border-strong);
    color: #fff;
    font-size: 0.75rem;
    font-weight: bold;
    cursor: pointer;
    margin-left: 8px;
    transition: background-color 0.2s;
    position: relative;
    outline: none;
    font-family: sans-serif;
}
.info-icon:hover { background-color: var(--primary); }

.info-icon::after {
    content: attr(title);
    position: absolute;
    bottom: 150%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #1e293b;
    color: #f8fafc;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: normal;
    white-space: normal;
    width: max-content;
    max-width: 250px;
    text-align: center;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}
.info-icon::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1e293b;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}
.info-icon:hover::after,
.info-icon:focus::after,
.info-icon:hover::before,
.info-icon:focus::before {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .info-icon::after {
        position: fixed;
        top: auto;
        bottom: 85px; /* Sube los tooltips para que no los tape el botón Ejecutar flotante */
        left: 5%;
        right: auto;
        width: 90%;
        max-width: none;
        transform: none;
        padding: 12px 15px;
        font-size: 0.85rem;
        box-shadow: 0 10px 25px -5px rgb(0 0 0 / 0.5);
        z-index: 99999;
    }
    .info-icon::before { display: none; }
}

/* =========================================
   FORMULARIOS Y COMPONENTES
   ========================================= */
.grid-3-col { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 15px; }
.grid-2-col { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 15px; }
.grid-2-col, .grid-3-col, .grid-4-col { align-items: end; }

.form-group label:not(.checkbox-container) {
    display: flex;
    align-items: flex-end;
    min-height: 2.5em;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-label);
    line-height: 1.2;
}

    .form-group .select-top {
        width: 100%;
    }

input[type="number"],
input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--surface);
    color: var(--text);
    font-family: inherit;
    min-width: 0; /* Allow elements to shrink in grid */
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    background: var(--panel);
}

/* Fix Chrome Autofill en Modo Oscuro (Evita fondo blanco con texto blanco) */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
textarea:-webkit-autofill,
select:-webkit-autofill {
    -webkit-text-fill-color: var(--text) !important;
    -webkit-box-shadow: 0 0 0px 1000px var(--surface) inset !important;
    transition: background-color 5000s ease-in-out 0s;
}
textarea { resize: vertical; }

/* Estado bloqueado: !important justificado porque es una clase de estado
   que debe sobreescribir cualquier regla de color de input */
.input-locked {
    background-color: var(--disabled-bg) !important;
    color: var(--disabled-text) !important;
    cursor: not-allowed;
    border-color: var(--border-strong) !important;
    font-style: italic;
}
input:disabled, select:disabled, textarea:disabled {
    background-color: var(--disabled-bg) !important;
    color: var(--disabled-text) !important;
}

.row-header {
    display: grid;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--text-label);
    margin-bottom: 5px;
    padding: 0 5px;
}
.row-header-stress { grid-template-columns: 1fr 1fr 30px; }

/* Layouts específicos que deben ganar a .row-header */
.flows-grid-layout {
    display: grid !important;
    grid-template-columns: 1fr 1fr 65px 0.8fr 1.2fr 30px !important;
}

.extra-grid-layout {
    display: grid !important;
    grid-template-columns: 1.2fr 65px 0.8fr 1.2fr 30px !important;
}

body:not(.advanced-mode) .flows-grid-layout {
    grid-template-columns: 0.8fr 0.8fr 65px 2fr 30px !important;
}

body:not(.advanced-mode) .extra-grid-layout {
    grid-template-columns: 0.8fr 65px 2fr 30px !important;
}
.dynamic-row {
    display: grid;
    gap: 8px;
    align-items: center;
    background: var(--surface);
    padding: 8px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
}
.cf-row  { grid-template-columns: 1fr 1fr 1.2fr 30px; }
.se-row  { grid-template-columns: 1fr 1fr 30px; }

/* =========================================
   BOTONES
   ========================================= */
.btn-small {
    padding: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: bold;
}
.btn-remove {
    background: #ef4444;
    color: var(--btn-text);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.btn-remove:hover { background: #dc2626; }
.btn-add {
    background: #059669;
    color: var(--btn-text);
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    margin-top: 5px;
}
.btn-add:hover { background: #047857; }
.btn-run {
    width: 100%;
    padding: 15px;
    background: var(--primary);
    color: var(--btn-text);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 20px;
    transition: background 0.2s;
}
.btn-run:hover    { background: var(--primary-hover); }
.btn-run:disabled { background: var(--text-dim); cursor: not-allowed; }

/* Botón secundario para aligerar la carga visual */
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--border-strong);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-dim); }

/* =========================================
   CHECKBOXES / TOGGLES
   ========================================= */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--checkbox-bg);
    padding: 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 15px;
    border: 1px solid var(--checkbox-border);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}
.checkbox-container:hover { border-color: var(--primary); }
.checkbox-container input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    margin: 0;
    accent-color: var(--primary);
}
.checkbox-container span { font-size: 0.85rem; font-weight: 600; color: var(--checkbox-text); }

/* =========================================
   PANELES CON BORDE
   ========================================= */
.bordered-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 15px;
    box-shadow: var(--shadow-sm);
}

#advancedPanelYellow,
#advancedPanelRed {
    display: none;
    background: var(--panel-green-bg);
    border: 1px solid var(--panel-green-border);
    padding: 15px;
    border-radius: var(--radius-md);
    margin-bottom: 15px;
    animation: fadeIn 0.3s ease-in-out;
}

#vpwParamsPanel, #pensionPanel {
    background: var(--primary-dim);
    border-color: var(--primary);
}
#vpwParamsPanel p, #vpwParamsPanel label, #pensionPanel label { color: var(--accent-blue-label); }

#guytonParamsPanel { background: rgba(22, 163, 74, 0.1); border-color: #16a34a; }
#guytonParamsPanel label { color: var(--accent-green-label); }
#guytonParamsPanel input { border-color: #16a34a; }

#estrategiaRetiro { background: var(--surface); color: var(--accent-green-leaf); border-color: #059669; }

#plusvaliasLatentes { background-color: transparent !important; border-color: #059669 !important; color: var(--text) !important; }
#plusvaliasLatentes:focus { background-color: var(--panel) !important; border-color: var(--primary) !important; outline: none; }
#i18n-l_plusvalias { color: var(--accent-green-leaf); }

/* =========================================
   TRAMOS FISCALES (dark mode via variables)
   ========================================= */
#panelTramosFiscales .row-header span,
#i18n-l_taxes { color: var(--text-label); }
#panelTramosFiscales input[type="number"] {
    background-color: var(--panel);
    color: var(--text);
    border: 1px solid var(--border);
}
#panelTramosFiscales input[type="number"]:focus {
    border-color: var(--primary);
    outline: none;
}
.card.advanced-tax-card { border-color: var(--border); }

/* =========================================
   PESTAÑAS SIDEBAR
   ========================================= */
.sidebar-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--border);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.sidebar-tabs::-webkit-scrollbar { display: none; }
.tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    padding: 10px 5px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text);
    border-bottom: 3px solid transparent;
    opacity: 0.6;
    transition: all 0.3s ease;
    white-space: nowrap;
    scroll-snap-align: start;
}
.tab-btn:hover { opacity: 1; background: var(--primary-dim); }
.tab-btn.active { opacity: 1; color: var(--primary); border-bottom-color: var(--primary); }
.tab-content { display: none; animation: fadeInTab 0.3s ease; }
.tab-content.active { display: block; }

/* =========================================
   RESULTADOS
   ========================================= */
.results-section h2 { font-size: 1.2rem; margin-bottom: 12px; color: var(--text); }
.results-wrapper { display: flex; gap: 20px; }
.results-block { flex: 1; }
.results-grid { display: grid; gap: 12px; text-align: center; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat-box {
    padding: 15px;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    min-width: 0;           /* Permite que la celda del grid se encoja */
    overflow: hidden;       /* Previene desbordamiento visual */
}
.stat-box h3 {
    margin: 0 0 5px 0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-label);
    white-space: nowrap;
}
.stat-box p {
    margin: 0;
    font-size: clamp(0.85rem, 2.5vw, 1.3rem); /* Escala suavemente con el ancho */
    font-weight: bold;
    word-break: break-word;                    /* Rompe si es necesario */
    overflow-wrap: break-word;
    line-height: 1.3;
}
.stat-box small { font-size: 0.75rem; color: var(--text-muted); }

.red    { color: var(--color-red); }
.yellow { color: var(--color-yellow); }
.green  { color: var(--color-green); }
.blue   { color: var(--color-blue); }
.purple { color: var(--color-purple); }

.alert {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px;
    border-radius: var(--radius-sm);
    display: none;
    margin-top: 15px;
    font-size: 0.9rem;
    font-weight: bold;
    text-align: center;
}

/* =========================================
   CLASES DE UTILIDAD — Para limpiar ui.js
   =========================================
   Añade/quita estas clases desde JS en lugar
   de usar style.cssText o style.color.
   ========================================= */
.yearly-table-row {
    grid-template-columns: 0.6fr 1.2fr 1.2fr 1.2fr 1.2fr;
    align-items: center;
}
.yearly-table-cell { position: relative; }
.yearly-table-cell-sym {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--text-muted);
    pointer-events: none;
}
.yearly-table-input {
    width: 100%;
    padding-left: 25px;
    text-align: right;
    font-weight: bold;
    font-size: 0.85rem;
}
.yearly-table-age { text-align: center; font-weight: bold; }
.text-positive    { color: #10b981; }
.text-negative    { color: #ef4444; }
.btn-load         { background: var(--primary); color: var(--btn-text); }
.btn-delete-sm    { width: 25px; height: 25px; font-size: 0.7rem; }
.text-center      { text-align: center; }
.fw-bold          { font-weight: bold; }

/* Botón oculto sin ocupar espacio (primera fila de flujos) */
.btn-invisible { visibility: hidden; }

/* Semáforo de éxito (renderSummaryView) */
.traffic-green  { background-color: #10b981; }
.traffic-yellow { background-color: #f59e0b; }
.traffic-red    { background-color: #ef4444; }

/* Estado de éxito en botón de envío de formulario */
.btn-success { background-color: #10b981; color: var(--btn-text); }

/* Mensaje vacío en lista de simulaciones */
.no-plans-msg { text-align: center; color: var(--text-muted); font-size: 0.85rem; padding: 10px 0; }

/* Estado vacío — antes de ejecutar la simulación */
.pre-results-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 16px;
    margin-bottom: 16px;
    background: var(--primary-dim);
    border: 1px dashed var(--primary);
    border-radius: var(--radius-md);
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    animation: fadeIn 0.4s ease;
}
.pre-results-hint span:first-child { font-size: 1rem; opacity: 0.7; }

/* Icono nube en simulaciones guardadas */
.cloud-badge { font-size: 0.8rem; margin-left: 5px; }

/* Tarjeta de inmueble */
.inmueble-card-grid {
    display: grid;
    grid-template-columns: 1fr 30px;
    border: 1px solid var(--border);
    padding: 12px;
    margin-bottom: 12px;
    border-radius: var(--radius-md);
}
.inmueble-card-grid > div:first-child {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* Tarjeta de deuda */
.deuda-card {
    margin-bottom: 15px;
    position: relative;
    background: rgba(239, 68, 68, 0.03);
    border: 1px dashed #fca5a5;
}

/* Utilidades de formulario */
.form-group--flush { margin: 0; }
.lbl-sm           { font-size: 0.75rem; }
.lbl-rent         { font-size: 0.75rem; color: var(--color-green); }
.lbl-mortgage     { font-size: 0.75rem; color: var(--color-red); }
.lbl-danger       { color: #b91c1c; font-weight: bold; }
.input-danger     { border-color: #fecaca; }
.select-danger    { width: 100%; border-color: #fecaca; }

/* Mapa de calor: cabeceras especiales */
.hm-th-empty { background: transparent; border: none; }
.hm-th-label { text-align: right; padding-right: 15px; }
/* Fondo dinámico via CSS custom property inyectada por JS */
.hm-cell { background-color: var(--hm-bg, #dc2626); }

/* =========================================
   SIMULACIONES GUARDADAS
   ========================================= */
.saved-sim-container {
    margin-top: 15px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 15px;
    box-shadow: var(--shadow-sm);
}
.saved-sim-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 10px;
    flex-wrap: nowrap;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text);
    font-size: 1rem;
}
#googleButtonContainer { margin-left: auto; flex-shrink: 0; }
.saved-sim-input-group { display: flex; gap: 8px; margin-bottom: 15px; }
.saved-sim-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 250px;
    overflow-y: auto;
    padding-right: 5px;
}
.saved-sim-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}
.saved-sim-item:hover { border-color: var(--primary); }
.saved-sim-item-info   { display: flex; flex-direction: column; gap: 2px; }
.saved-sim-item-name   { display: flex; align-items: center; font-weight: bold; color: var(--text); font-size: 0.9rem; }
.saved-sim-item-date   { font-size: 0.75rem; color: var(--text-muted); }
.saved-sim-actions     { display: flex; gap: 5px; }

#googleButtonContainer,
#googleButtonContainer > div,
#googleButtonContainer iframe { background-color: transparent; }
body.dark-mode #googleButtonContainer {
    border-radius: 4px;
    overflow: hidden;
    transform: translateZ(0);
    color-scheme: dark;
}
body:not(.dark-mode) #googleButtonContainer { color-scheme: light; }

/* =========================================
   GALERÍA DE LA COMUNIDAD
   ========================================= */
.community-plan-card {
    display: flex; justify-content: space-between; align-items: center; gap: 15px;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md);
    padding: 12px 15px; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.community-plan-card:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: var(--shadow-sm); }
.community-plan-info { display: flex; flex-direction: column; gap: 4px; flex: 1; min-width: 0; }
.community-plan-info h4 { margin: 0; color: var(--primary); font-size: 1rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.community-plan-info small { color: var(--text-muted); font-size: 0.8rem; font-weight: 500; }

@media (max-width: 500px) {
    .community-plan-card { flex-direction: column; align-items: flex-start; gap: 10px; }
    .community-plan-card .btn-load-community-plan { width: 100% !important; }
}

/* =========================================
   SISTEMA SOCIAL (LIKES Y NOTIFICACIONES)
   ========================================= */
.btn-like { background: transparent; border: 1px solid var(--border); color: var(--text-muted); display: flex; align-items: center; gap: 5px; cursor: pointer; transition: all 0.2s; }
.btn-like .like-icon { filter: grayscale(1); opacity: 0.5; transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), filter 0.2s, opacity 0.2s; }
.btn-like:hover { border-color: #ef4444; color: #ef4444; }
.btn-like:hover .like-icon { filter: grayscale(0); opacity: 1; transform: scale(1.1); }
.btn-like.liked { background: rgba(239, 68, 68, 0.1); border-color: #ef4444; color: #ef4444; }
.btn-like.liked .like-icon { filter: grayscale(0); opacity: 1; transform: scale(1.1); }

.notif-badge { position: absolute; top: -2px; right: -2px; background: #ef4444; color: white; font-size: 0.65rem; font-weight: bold; width: 16px; height: 16px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.notif-dropdown { position: absolute; top: 40px; right: 0; width: 300px; background: var(--panel); border: 1px solid var(--border-strong); border-radius: var(--radius-md); box-shadow: var(--shadow-lg); display: none; flex-direction: column; z-index: 1000; overflow: hidden; }
.notif-dropdown.open { display: flex; animation: fadeIn 0.2s ease; }
.notif-header { padding: 10px 15px; border-bottom: 1px solid var(--border); background: var(--surface); color: var(--text); }
.notif-list { max-height: 350px; overflow-y: auto; display: flex; flex-direction: column; }
.notif-item { padding: 12px 15px; border-bottom: 1px solid var(--border); font-size: 0.85rem; color: var(--text); display: flex; flex-direction: column; gap: 4px; cursor: pointer; transition: background 0.2s; text-decoration: none;}
.notif-item:hover { background: var(--surface); }
.notif-item.unread { background: rgba(37, 99, 235, 0.05); border-left: 3px solid var(--primary); }
.notif-item-actor { font-weight: bold; color: var(--primary); }
.notif-item-time { font-size: 0.75rem; color: var(--text-muted); }
.notif-empty { padding: 20px; text-align: center; color: var(--text-muted); font-size: 0.9rem; }

@media (max-width: 600px) {
    .notif-dropdown { position: fixed; top: 60px; left: 10px; right: 10px; width: auto; max-height: 80vh; }
}

/* =========================================
   COMENTARIOS
   ========================================= */
.comment-card { background: var(--surface); padding: 12px; border-radius: var(--radius-md); border: 1px solid var(--border); }
.comment-header { border-bottom: 1px solid var(--border); padding-bottom: 5px; margin-bottom: 8px; }
.btn-view-comments:hover { border-color: var(--primary); background: var(--primary-dim); }
#newCommentText { resize: none; overflow-y: hidden; min-height: 100px; padding: 12px; }

@media (min-width: 768px) {
    #commentsModal .modal-card {
        max-width: 800px !important;
        width: 90vw !important;
    }
}

/* =========================================
   PANELES TRAMOS / GLIDEPATH
   ========================================= */
#tramosContainer .tramo-row { margin-bottom: 15px; gap: 10px; }
.glidepath-grid,
#glidepathContainer .se-row {
    grid-template-columns: 1fr 1fr 1fr 1fr 30px;
    gap: 10px;
    align-items: center;
}
#glidepathPanel .btn-add {
    width: 100%;
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* =========================================
   TABLA DE FLUJOS
   ========================================= */
#tab-flujos .row-header,
#tab-flujos .cf-row {
    display: grid;
    grid-template-columns: minmax(40px, 1fr) minmax(40px, 1fr) 1.2fr 1.5fr 30px;
    gap: 8px;
    align-items: center;
}
#tab-extra .row-header,
#tab-extra .extra-flow-row {
    display: grid;
    grid-template-columns: minmax(50px, 1fr) 1.2fr 1.5fr 30px;
    gap: 8px;
    align-items: center;
}
.cf-row input, .cf-row select,
.extra-flow-row input, .extra-flow-row select { width: 100%; }
.cf-type {
    cursor: pointer;
    text-align: center;
    appearance: none;
    -webkit-appearance: none;
    font-size: 1.1rem;
    border-radius: var(--radius-sm);
    padding: 2px;
}

/* Colores de tipo de flujo — especificidad ganada con input.cf-val */
input.cf-val.type-aportar { background-color: var(--type-aportar-bg); border-color: var(--type-aportar-border); color: var(--type-aportar-text); }
input.cf-val.type-retirar { background-color: var(--type-retirar-bg); border-color: var(--type-retirar-border); color: var(--type-retirar-text); }
input.cf-val.type-pausa   { background-color: var(--surface); border-color: var(--border-strong); color: var(--text-muted); }

/* =========================================
   TAB PATRIMONIO — Bloques de sección
   ========================================= */
.extra-section-block {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px;
    margin-bottom: 14px;
    background: var(--surface);
}
.extra-section-block .section-title {
    border-bottom: none;
    margin-bottom: 2px;
    margin-top: 0;
    padding-bottom: 0;
    font-size: 1rem;
}
.extra-section-block--stress {
    border-color: #fca5a5;
    background: rgba(239, 68, 68, 0.03);
}
body.dark-mode .extra-section-block--stress {
    background: rgba(239, 68, 68, 0.06);
}
.extra-section-desc {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 2px 0 12px 0;
}
.section-header-toggle { cursor: pointer; user-select: none; transition: opacity 0.2s; }
.section-header-toggle:hover { opacity: 0.7; }
.collapsible-panel { display: none; margin-bottom: 15px; }
.collapsible-panel.open { display: block; }

/* =========================================
   MODAL SWR
   ========================================= */
.modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 0;
    animation: fadeIn 0.3s forwards;
}
.modal-card {
    background: var(--panel);
    padding: 30px;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    transform: translateY(20px);
    animation: slideUp 0.3s forwards;
}
.modal-icon { font-size: 3.5rem; margin-bottom: 15px; line-height: 1; }
.modal-card h3 { color: var(--text); margin-bottom: 10px; font-size: 2rem; font-weight: 800; }
.modal-card p  { color: var(--text-muted); margin-bottom: 20px; font-size: 1rem; line-height: 1.5; }
.modal-amount {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 15px;
    border-radius: var(--radius-md);
    border: 1px dashed #10b981;
}
#btnSWR { font-weight: bold; }
#i18n-btn_swr_close { background-color: #10b981; font-weight: bold; }

/* =========================================
   MAPA DE CALOR
   ========================================= */
#heatmapTable { border-spacing: 2px; border-collapse: separate; }
#heatmapTable th, #heatmapTable td {
    padding: 12px 8px;
    border: 2px solid var(--panel);
    font-weight: bold;
    font-size: 0.95rem;
    border-radius: 4px;
}
#heatmapTable th { background: var(--surface); color: var(--text); font-size: 0.85rem; text-transform: uppercase; }
.hm-cell {
    color: #fff;
    text-shadow: 1px 1px 2px rgb(0 0 0 / 0.3);
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.2s;
    cursor: default;
}
.hm-cell:hover { transform: scale(1.1); box-shadow: 0 4px 10px rgb(0 0 0 / 0.3); position: relative; z-index: 10; }

/* =========================================
   TABLA RESPONSIVE AÑO A AÑO
   ========================================= */
.table-wrapper { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 5px; }
.table-scroll-area { min-width: 600px; }

/* Fix para columna de edad fija en móvil */
.sticky-col-header {
    position: sticky;
    left: 0;
    background: var(--panel);
    z-index: 2;
    margin-left: -5px;
    padding-left: 5px;
    box-shadow: 2px 0 4px -2px rgba(0,0,0,0.1);
}
.sticky-col {
    position: sticky;
    left: 0;
    background: var(--surface);
    z-index: 2;
    margin-left: -8px;
    padding-left: 8px;
    box-shadow: 2px 0 4px -2px rgba(0,0,0,0.1);
}
/* =========================================
   SEO, FAQ Y ARTÍCULOS
   ========================================= */
.seo-wrapper { padding: 0 20px; }
.seo-article {
    max-width: 1000px;
    margin: 40px auto;
    background: var(--panel);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    line-height: 1.7;
    color: var(--text);
}
.seo-article h2 { color: var(--text); margin-bottom: 15px; margin-top: 35px; font-size: 1.6rem; border-bottom: 2px solid var(--border); padding-bottom: 8px; }
.seo-article h2:first-child { margin-top: 0; }
.seo-article h3 { color: var(--text); margin-top: 25px; margin-bottom: 10px; font-size: 1.2rem; }
.seo-article p  { margin-bottom: 15px; }

.faq-container { display: flex; flex-direction: column; gap: 12px; margin-top: 20px; }
details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 15px; cursor: pointer; transition: all 0.3s ease; }
details:hover { background: var(--panel); border-color: var(--border-strong); }
summary { font-weight: 700; color: var(--text); font-size: 1.05rem; outline: none; list-style: none; display: flex; justify-content: space-between; align-items: center; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "▼"; font-size: 0.8em; color: var(--primary); transition: transform 0.3s; }
details[open] summary::after { transform: rotate(180deg); }
details p   { margin-top: 12px; margin-bottom: 0; color: var(--text-label); font-size: 0.95rem; border-top: 1px solid var(--border); padding-top: 12px; }
details ul  { margin-top: 12px; color: var(--text-label); font-size: 0.95rem; padding-left: 25px; }
details ul li { margin-bottom: 8px; line-height: 1.6; }

.disclaimer { background: var(--surface); border-left: 4px solid var(--border-strong); padding: 15px; font-size: 0.85rem; color: var(--text-muted); margin-top: 40px; }

/* =========================================
   ARTÍCULOS RELACIONADOS (BLOG)
   ========================================= */
.related-articles { margin-top: 50px; border-top: 2px solid var(--border); padding-top: 30px; }
.related-articles h3 { color: var(--text); font-size: 1.4rem; margin-bottom: 20px; font-weight: bold; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.related-card { display: flex; flex-direction: column; justify-content: center; background: var(--related-card-bg); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; text-decoration: none; color: var(--text); transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s; min-height: 90px; }
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
.related-card-content { padding: 20px; }
.related-card-content h4 { font-size: 1rem; margin: 0; line-height: 1.4; color: var(--text); transition: color 0.2s; }
.related-card:hover .related-card-content h4 { color: var(--primary); }

/* =========================================
   BARRA DE PROGRESO Y COMPARTIR (BLOG)
   ========================================= */
#reading-progress { position: fixed; top: 0; left: 0; width: 0%; height: 4px; background-color: var(--primary); z-index: 10000; transition: width 0.1s ease-out; }
.share-container { margin: 40px 0; padding-top: 20px; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 15px; flex-wrap: wrap; }
.share-container span { font-weight: bold; color: var(--text); }
.share-btn { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 50%; background: var(--surface); color: var(--text); text-decoration: none; border: 1px solid var(--border); transition: all 0.2s ease; font-size: 1.1rem; cursor: pointer; }
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); }

/* =========================================
   BUSCADOR Y FILTROS (PORTADA BLOG)
   ========================================= */
.blog-controls { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px; margin-bottom: 30px; box-shadow: var(--shadow-sm); }
.search-box { position: relative; margin-bottom: 15px; }
.search-box input { width: 100%; padding: 12px 15px 12px 40px; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--surface); color: var(--text); font-size: 1rem; transition: border-color 0.2s, box-shadow 0.2s; }
.search-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-dim); background: var(--panel); }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 1.2rem; pointer-events: none; }
.filter-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn { background: var(--surface); border: 1px solid var(--border); color: var(--text); padding: 6px 14px; border-radius: var(--radius-full); font-size: 0.85rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.filter-btn:hover  { border-color: var(--primary); color: var(--primary); }
.filter-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* !important justificado: utilidad JS que gestiona visibilidad de nodos activamente */
.post-hidden { display: none !important; }
.no-results  { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 1.1rem; display: none; }

/* =========================================
   BREADCRUMBS, TAGS, CTA, LIGHTBOX
   ========================================= */
.breadcrumbs { font-size: 0.9rem; color: var(--text); opacity: 0.7; margin-bottom: 10px; padding: 0 40px; }
.breadcrumbs a { color: var(--text); text-decoration: none; transition: color 0.2s; }
.breadcrumbs a:hover { color: var(--primary); }
.breadcrumbs span { margin: 0 8px; }
.tags-container { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 15px; }
.tag-pill { display: inline-block; background: var(--primary-dim); color: var(--primary); border: 1px solid var(--primary); padding: 4px 12px; border-radius: 15px; font-size: 0.8rem; font-weight: 600; text-decoration: none; transition: all 0.2s; }
.tag-pill:hover { background: var(--primary); color: #fff; }
.cta-card { background: var(--cta-bg); border: 1px solid var(--primary); border-radius: var(--radius-lg); padding: 25px; margin: 50px 0; text-align: center; box-shadow: 0 4px 15px var(--primary-dim); transition: transform 0.2s, box-shadow 0.2s; }
.cta-card:hover { transform: translateY(-5px); box-shadow: 0 8px 20px rgba(37, 99, 235, 0.15); }
.cta-card h3 { color: var(--primary); font-size: 1.5rem; margin-bottom: 10px; }
.cta-card p  { font-size: 1rem; color: var(--text); opacity: 0.9; margin-bottom: 20px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-card .btn-cta { display: inline-block; background: var(--primary); color: #fff; padding: 12px 25px; border-radius: var(--radius-md); text-decoration: none; font-weight: bold; transition: background-color 0.2s; }
.cta-card .btn-cta:hover { background: var(--primary-hover); }
.lightbox-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.85); backdrop-filter: blur(5px); display: flex; justify-content: center; align-items: center; z-index: 10001; cursor: zoom-out; opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s ease; }
.lightbox-overlay.visible { opacity: 1; visibility: visible; }
.lightbox-overlay img { max-width: 90vw; max-height: 90vh; object-fit: contain; border-radius: 10px; box-shadow: 0 10px 30px rgb(0 0 0 / 0.5); transform: scale(0.9); transition: transform 0.3s ease; }
.lightbox-overlay.visible img { transform: scale(1); }
.blog-article img { cursor: zoom-in; }

/* =========================================
   PLANTILLA EXPORTACIÓN (INFOGRAFÍA 1:1)
   ========================================= */
#export-template { position: absolute; left: -9999px; top: 0; width: 1080px; height: 1080px; background-color: #0f172a; color: #f8fafc; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; z-index: -1; }
.export-container { padding: 35px 50px; display: flex; flex-direction: column; height: 100%; box-sizing: border-box; background: radial-gradient(circle at top right, #1e293b, #0f172a); }
.export-header { text-align: center; margin-bottom: 20px; }
.export-header h2 { color: #94a3b8; font-size: 32px; margin-bottom: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 2px; }
.export-header h1 { font-size: 60px; font-weight: 900; margin: 0; color: #fff; }
.export-summary-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-bottom: 25px; }
.exp-box { background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 14px; padding: 15px 10px; text-align: center; }
.exp-box span   { display: block; font-size: 20px; color: #94a3b8; margin-bottom: 8px; font-weight: 600; }
.exp-box strong { display: block; font-size: 26px; color: #fff; font-weight: 800; }
#exp-alloc { font-size: 20px; }
.export-chart-container { flex: 1; background: rgba(0,0,0,0.3); border-radius: 16px; padding: 20px; border: 1px solid rgba(255,255,255,0.1); margin-bottom: 25px; min-height: 280px; position: relative; }
.export-results-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 20px; }
.exp-res-box { border-radius: 16px; padding: 25px 20px; text-align: center; }
.exp-res-box.exp-p10 { background: rgba(239, 68, 68, 0.1);  border: 2px solid #ef4444; }
.exp-res-box.exp-p50 { background: rgba(245, 158, 11, 0.1); border: 2px solid #f59e0b; }
.exp-res-box.exp-p90 { background: rgba(16, 185, 129, 0.1); border: 2px solid #10b981; }
.exp-res-box span { display: block; font-size: 28px; margin-bottom: 10px; font-weight: bold; text-transform: uppercase; }
.exp-p10 span { color: #fca5a5; } .exp-p50 span { color: #fcd34d; } .exp-p90 span { color: #6ee7b7; }
.exp-res-box strong { display: block; font-size: 46px; color: #fff; font-weight: 900; }
.export-badge { text-align: center; font-size: 28px; font-weight: 900; padding: 15px; border-radius: 20px; margin-bottom: 20px; text-transform: uppercase; }
.badge-green  { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 2px solid #10b981; }
.badge-yellow { background: rgba(245, 158, 11, 0.15);  color: #fbbf24; border: 2px solid #f59e0b; }
.badge-red    { background: rgba(239, 68, 68, 0.15);   color: #f87171; border: 2px solid #ef4444; }
.export-footer { text-align: center; color: #94a3b8; }
.export-footer p  { font-size: 24px; margin-bottom: 5px; }
.export-footer h3 { font-size: 34px; color: #3b82f6; margin: 0; font-weight: 900; letter-spacing: 1px; }

/* =========================================
   PIE DE PÁGINA Y CONTACTO
   ========================================= */
.site-footer { background-color: var(--footer-bg); color: var(--footer-text); padding: 50px 20px 20px 20px; margin-top: 40px; }
.footer-content { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; text-align: center; }
.footer-content h2 { font-size: 1.8rem; margin-bottom: 10px; color: #fff; }
.footer-content p  { color: #94a3b8; margin-bottom: 25px; font-size: 1rem; }
.contact-form { width: 100%; max-width: 500px; background: #1e293b; padding: 25px; border-radius: var(--radius-lg); text-align: left; }
.contact-form .form-group label { color: #cbd5e1; min-height: auto; }
.contact-form input, .contact-form textarea { background: #0f172a; border-color: #334155; color: #fff; margin-bottom: 15px; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); }
.contact-form .btn-run { margin-top: 5px; }
.hidden-bot-field { display: none; }
.copyright { margin-top: 40px; color: #94a3b8; font-size: 0.85rem; }
.legal-links a { color: #93c5fd; font-weight: 500; }

/* =========================================
   TOAST NOTIFICATIONS
   ========================================= */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10000;
    pointer-events: none;
}
.toast {
    min-width: 250px;
    max-width: 350px;
    background: var(--panel);
    color: var(--text);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 5px solid var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideInToast 0.3s ease forwards;
    pointer-events: auto;
}
.toast.success { border-left-color: #10b981; }
.toast.error { border-left-color: #ef4444; }
.toast.warning { border-left-color: #f59e0b; }
.toast-icon { font-size: 1.2rem; flex-shrink: 0; }

@keyframes slideInToast {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOutToast {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* =========================================
   ANIMACIONES
   ========================================= */
@keyframes fadeIn    { from { opacity: 0; transform: translateY(-5px); } to   { opacity: 1; transform: translateY(0); } }
@keyframes slideUp   { to   { transform: translateY(0); } }
@keyframes fadeInTab { from { opacity: 0; transform: translateY(5px);  } to   { opacity: 1; transform: translateY(0); } }

/* =========================================
   CABECERA COMPACTA EN SCROLL (MÓVIL)
   ========================================= */
.header-logo-container > a {
    transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
    max-height: 150px;
    opacity: 1;
    overflow: hidden;
}
@media (max-width: 900px) {
    .site-header.scrolled .logo-area,
    .site-header.scrolled .header-logo-container > a { max-height: 0; opacity: 0; margin: 0; }
    .site-header.scrolled .nav-links     { margin-top: 0; transition: margin-top 0.3s ease; }
    .site-header.scrolled .header-content { gap: 5px; padding-top: 10px; padding-bottom: 10px; }
}

/* =========================================
   MEDIA QUERIES (RESPONSIVE)
   ========================================= */
@media (min-width: 992px) {
    .main-content { position: sticky; top: 80px; height: fit-content; align-self: start; z-index: 10; }
}
@media (max-width: 900px) {
    .header-content { flex-direction: column; gap: 15px; text-align: center; }
    .logo-area      { position: relative; left: auto; transform: none; justify-content: center; }
    .controls-top   { margin-left: 0; justify-content: center; }
    .calculator-wrapper { flex-direction: column; }
    .sidebar        { width: 100%; }
    .results-wrapper { flex-direction: column; }
    .seo-article    { padding: 25px; }
}
@media (max-width: 768px) {
    /* Dashboard compacto en móvil: Resumen 2x2, Percentiles 1x1 */
    .results-grid.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .results-grid.grid-3 { grid-template-columns: 1fr; gap: 10px; }
    .stat-box { padding: 12px 10px; }
    .stat-box p { font-size: clamp(0.9rem, 4vw, 1.15rem); }
    .breadcrumbs  { padding: 0 15px; }
    .stack-on-mobile label { min-height: auto; align-items: flex-start; }
}
@media (max-width: 600px) {
    /* Colapsar columnas en móviles para evitar inputs ilegibles */
    .grid-3-col { grid-template-columns: 1fr; gap: 12px; }
    .grid-2-col { grid-template-columns: 1fr; gap: 12px; }
    
    .header-content { padding: 10px 5px; }
    .header-logo-container { justify-content: center; }
    .logo-area h1   { font-size: 1.1rem; line-height: 1.2; text-align: center; }
    .controls-top   { flex-wrap: wrap; gap: 8px; justify-content: center; width: 100%; }
    .select-top     { padding: 6px 10px; font-size: 0.8rem; }
    .controls-top > button { padding: 6px 12px; font-size: 0.85rem; }
    .ph-badge       { height: 35px; }

    /* Botón de Ejecutar Flotante (Sticky) para no tener que hacer scroll */
    #btnRun {
        position: fixed;
        bottom: 15px;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 30px);
        z-index: 1000;
        box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
        padding: 14px;
    }
    /* Espaciado extra al final de la barra lateral para que el botón sticky no tape opciones */
    .sidebar-footer { padding-bottom: 75px; }
    
    /* Modales con menos relleno vertical para maximizar la pantalla disponible */
    .modal-card { padding: 20px 15px !important; width: 95% !important; }

    #toast-container {
        bottom: 85px; /* Sube por encima del botón flotante */
        right: 10px;
        left: 10px;
        align-items: center;
    }
}
@media (max-width: 550px) {
    /* Aumentar áreas táctiles (Touch Targets) según estándares UX (Mínimo 35px) */
    /* En móvil colapsamos un poco más para que quepa la columna "Cuenta" si está activa */
    #tab-flujos .flows-grid-layout { grid-template-columns: minmax(35px, 0.5fr) minmax(35px, 0.5fr) 45px 0.7fr 1.5fr 35px; gap: 4px; }
    #tab-extra .extra-grid-layout { grid-template-columns: minmax(40px, 0.5fr) 45px 0.7fr 1.5fr 35px; gap: 4px; }
    
    body:not(.advanced-mode) #tab-flujos .flows-grid-layout { grid-template-columns: minmax(40px, 1fr) minmax(40px, 1fr) 55px 1.5fr 35px; }
    body:not(.advanced-mode) #tab-extra .extra-grid-layout { grid-template-columns: minmax(50px, 1fr) 55px 1.5fr 35px; }
    #tab-flujos .row-header,
    #tab-extra .row-header  { font-size: 0.65rem; text-align: center; }
    .cf-row input, .cf-row select,
    .extra-flow-row input, .extra-flow-row select { padding: 6px 2px; font-size: 0.8rem; text-align: center; }
    .cf-row .btn-remove,
    .extra-flow-row .btn-remove { width: 35px; height: 35px; font-size: 0.9rem; padding: 0; display: flex; justify-content: center; align-items: center; }
}