/* ========================================================= */
/*  ESTILO NGC - MODULAR PARA CALCULADORA                    */
/* ========================================================= */

/* CONTENEDOR TRANSPARENTE */
.form-group-transparent {
    width: 100%; margin-bottom: 22px; animation: fadeIn 0.5s ease;
}

/* CAJAS MODULARES */
.ngc-module {
    background: var(--ngc-glass); backdrop-filter: var(--ngc-blur);
    border: var(--ngc-border-glass); border-radius: 12px; padding: 18px 15px; 
    width: 100%; box-shadow: 0 8px 25px var(--card-shadow), var(--ngc-glass-edge); 
    margin-bottom: 15px; animation: fadeIn 0.5s ease;
}

.header-module { display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px; }

/* CORRECCIÓN: Título nítido, sin blur de neón */
h2 {
    color: var(--ngc-text-main); text-transform: uppercase; margin: 0;
    letter-spacing: 1px; flex-grow: 1; font-size: 1.1rem;
}

/* Botón Reset Ejecutivo */
.btn-reset {
    background: transparent; border: 1px solid var(--ngc-privacy-border);
    color: var(--ngc-text-muted); border-radius: 8px; padding: 6px 12px;
    font-size: 0.7rem; cursor: pointer; text-transform: uppercase; font-weight: bold;
    transition: all 0.3s ease; display: flex; align-items: center; gap: 5px;
}
.btn-reset:hover { border-color: var(--ngc-danger); color: var(--ngc-danger); background: rgba(255, 77, 77, 0.1); }

label {
    display: block; font-size: 0.75rem; text-transform: uppercase; color: var(--ngc-text-muted);
    font-weight: 700; margin-bottom: 8px; letter-spacing: 1px;
}
label i { margin-right: 5px; color: var(--ngc-neon); }

/* CORRECCIÓN: Display de aparato en alto contraste y mate */
.readonly-box {
    width: 100%; background: var(--input-bg); border: 1px solid var(--ngc-success);
    border-radius: 10px; padding: 12px; text-align: center; font-weight: 700; 
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1); text-transform: uppercase; letter-spacing: 1px;
}
.readonly-label { display:block; font-size:0.65rem; color:var(--ngc-text-muted); margin-bottom:4px; letter-spacing:1px; }
.readonly-name { color:var(--ngc-success); font-size: 1.05rem; display: block; margin-bottom: 2px; }
.readonly-watts { display:block; font-size: 0.8rem; color:var(--ngc-text-main); font-weight: normal; text-transform:none; }

.slider-group { display: flex; flex-direction: column; gap: 8px; }
.slider-header { display: flex; justify-content: space-between; align-items: center; }
.slider-header label { margin: 0; }
.slider-val { font-size: 0.85rem; font-weight: bold; color: var(--ngc-text-main); }

.ngc-range {
    -webkit-appearance: none; width: 100%; height: 6px;
    background: var(--ngc-privacy-border); border-radius: 5px; outline: none;
}
.ngc-range::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%;
    background: var(--ngc-neon); cursor: pointer; border: 2px solid var(--bg-body);
}
.ngc-range::-moz-range-thumb {
    width: 18px; height: 18px; border-radius: 50%; background: var(--ngc-neon); cursor: pointer; border: 2px solid var(--bg-body);
}

/* ============================================== */
/* BOTONES SUPERIORES Y DE ACCIÓN                 */
/* ============================================== */
.top-controls-row {
    display: flex; align-items: stretch; gap: 10px; margin-bottom: 15px; width: 100%; min-height: 74px; 
}
.stacked-tarifa-toggle { display: flex; flex-direction: column; gap: 8px; flex: 0 0 115px; }

.tarifa-mini-opt {
    margin: 0; flex: 1; background: var(--input-bg); border: 1px solid var(--ngc-privacy-border);
    color: var(--ngc-text-muted); border-radius: 8px; padding: 0 10px; font-size: 0.65rem; 
    font-weight: bold; cursor: pointer; text-transform: uppercase; transition: all 0.3s ease;
    display: flex; align-items: center; justify-content: center; user-select: none; box-sizing: border-box;
}
.tarifa-mini-opt input { display: none; }
.tarifa-mini-opt:hover { background: var(--ngc-glass); }
.tarifa-mini-opt:has(input:checked) {
    background: rgba(40, 167, 69, 0.1); border-color: var(--success-green); color: var(--success-green); 
}

/* CORRECCIÓN: Botones elegantes, de cristal, sin dashed lines de neón */
.btn-aparato-trigger-side {
    margin: 0; flex: 1; background: var(--ngc-glass); border: 1px solid var(--ngc-privacy-border); 
    color: var(--ngc-text-muted); padding: 0 16px; border-radius: 12px; font-weight: 800; 
    text-transform: uppercase; font-size: 0.85rem; cursor: pointer; transition: all 0.3s ease; 
    display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 74px; 
}
.btn-aparato-trigger-side:hover { 
    border-color: var(--ngc-neon); color: var(--ngc-neon);
    background: rgba(var(--ngc-neon-rgb), 0.1); box-shadow: 0 4px 15px rgba(var(--ngc-neon-rgb), 0.2); 
    transform: translateY(-2px);
}

/* CORRECCIÓN: Botón "Agregar" en cristal con efecto hover neón, no ladrillo sólido */
.btn-add {
    width: 100%; background: var(--ngc-glass); border: 1px solid var(--ngc-privacy-border);
    color: var(--ngc-text-main); padding: 16px; border-radius: 12px; cursor: pointer;
    font-weight: 800; text-transform: uppercase; font-size: 0.95rem; letter-spacing: 1px;
    transition: all 0.3s ease; margin-bottom: 15px; box-shadow: 0 4px 15px var(--card-shadow);
}
.btn-add:hover { 
    border-color: var(--ngc-neon); color: var(--ngc-neon); background: rgba(var(--ngc-neon-rgb), 0.1); 
    box-shadow: 0 6px 20px rgba(var(--ngc-neon-rgb), 0.2); transform: translateY(-2px); 
}

/* ============================================== */
/* MODAL Y ACORDEONES                             */
/* ============================================== */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    z-index: 10000; display: flex; align-items: center; justify-content: center;
    opacity: 1; transition: opacity 0.3s ease;
}
.modal-overlay.oculto { opacity: 0; pointer-events: none; display: none !important; }

/* CORRECCIÓN: Fondo de cristal para el modal, adaptativo al tema */
.modal-content {
    background: var(--content-bg); border: var(--ngc-border-glass);
    border-radius: 16px; width: 92%; max-width: 450px; max-height: 80vh;
    display: flex; flex-direction: column; box-shadow: 0 15px 40px var(--card-shadow);
    animation: slideDown 0.3s ease-out; overflow: hidden;
}

.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 18px 20px; border-bottom: 1px solid var(--ngc-privacy-border);
}
.modal-header h3 { color: var(--ngc-text-main); margin: 0; font-size: 1.05rem; display: flex; align-items: center; gap: 8px; }
.modal-header h3 i { color: var(--ngc-neon); }
.btn-close-modal { background: none; border: none; color: var(--ngc-text-muted); font-size: 1.5rem; cursor: pointer; transition: 0.2s;}
.btn-close-modal:hover { color: var(--ngc-danger); transform: scale(1.1); }

.modal-body { overflow-y: auto; }

/* Acordeón Headers */
.opt-group { 
    color: var(--ngc-text-main); padding: 18px 20px; font-size: 0.9rem; 
    font-weight: 800; text-transform: uppercase; background: var(--quote-bg); 
    cursor: pointer; display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--ngc-privacy-border); transition: background 0.2s; user-select: none;
}
.opt-group:hover { background: var(--input-bg); }
.opt-group i { transition: transform 0.3s ease; color: var(--ngc-text-muted); font-size: 0.9rem; }
.opt-group.active i { transform: rotate(180deg); color: var(--ngc-neon); }
.opt-group.active { border-bottom: none; }

.accordion-content { display: none; background: var(--content-bg); }
.accordion-content.active { display: block; animation: fadeIn 0.3s ease; }

.opt-item-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 20px 14px 30px; border-bottom: 1px solid var(--ngc-privacy-border); cursor: pointer; transition: background 0.2s;
}
.opt-item-row:hover { background: var(--item-row-bg); }
.item-name { color: var(--ngc-text-main); font-size: 0.85rem; flex-grow: 1; font-weight: 600;}
.item-right { display: flex; align-items: center; gap: 12px; }
.item-watts { font-size: 0.75rem; color: var(--ngc-text-muted); font-weight: bold; }
.btn-item-add {
    background: transparent; color: var(--ngc-text-muted); border: 1px solid var(--ngc-privacy-border); width: 28px; height: 28px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.85rem; pointer-events: none;
}
.opt-item-row:hover .btn-item-add { border-color: var(--ngc-neon); color: var(--ngc-neon); }

/* ============================================== */
/* CAJA DE RECOMENDACIÓN TÉCNICA                  */
/* ============================================== */
.recomendacion-box {
    background: var(--quote-bg); border: 1px dashed var(--ngc-privacy-border);
    border-radius: 12px; padding: 15px; text-align: center; box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
}
.reco-title { display: block; color: var(--ngc-text-main); font-weight: bold; font-size: 0.85rem; margin-bottom: 8px; text-transform: uppercase; }
.reco-title i { color: var(--warning-amber); }
.recomendacion-box p { font-size: 0.8rem; color: var(--ngc-text-muted); margin-bottom: 12px; }
.btn-reco-detalle {
    background: transparent; border: 1px solid var(--ngc-privacy-border); color: var(--ngc-text-muted);
    padding: 8px 15px; border-radius: 6px; font-size: 0.75rem; font-weight: bold;
    cursor: pointer; text-transform: uppercase; transition: 0.3s;
}
.btn-reco-detalle:hover { border-color: var(--ngc-text-main); color: var(--ngc-text-main); }

/* ============================================== */
/* RESULTADOS AMPLIADOS                           */
/* ============================================== */
/* CORRECCIÓN: Nítido, sin neón y adaptativo */
.summary-panel {
    background: var(--quote-bg); backdrop-filter: var(--ngc-blur);
    border-radius: 12px; padding: 22px 12px; border: 1px solid var(--ngc-privacy-border); 
    box-shadow: 0 4px 15px var(--card-shadow); display: grid; grid-template-columns: 1fr 1fr;
    text-align: center; gap: 12px; margin-bottom: 20px; width: 100%;
}
.res-label { font-size: 0.7rem; display: block; color: var(--ngc-text-muted); text-transform: uppercase; font-weight: bold; margin-bottom: 6px; letter-spacing: 0.5px; }
.total-val { font-size: 1.3rem; font-weight: 800; color: var(--ngc-text-main); }
.res-unit { font-size: 0.6rem; color: var(--ngc-text-muted); }
.pesos-val { font-size: 1.5rem; font-weight: 800; color: var(--success-green); }

#lista-items { margin-bottom: 20px; max-height: 350px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding-right: 5px; width: 100%;}
#lista-items:empty::after {
    content: 'Aún no has agregado aparatos';
    display: block; text-align: center; color: var(--ngc-text-muted);
    font-size: 0.8rem; font-style: italic; padding: 20px 0;
    border: 1px dashed var(--ngc-privacy-border); border-radius: 10px;
}

.item-row {
    display: flex; flex-direction: column; padding: 12px;
    background: var(--item-row-bg); border-radius: 10px;
    border: 1px solid var(--ngc-privacy-border);
    animation: fadeIn 0.4s ease;
}
.item-header { display: flex; justify-content: space-between; align-items: flex-start; }
.item-info { flex-grow: 1; }
.item-info strong { display: block; font-size: 0.85rem; color: var(--ngc-text-main); margin-bottom: 2px;}
.item-desglose { display: flex; flex-direction: column; gap: 4px; margin-top: 8px; border-top: 1px solid var(--ngc-privacy-border); padding-top: 8px;}
.desglose-line-row { display: flex; justify-content: space-between; align-items: center; }
.linea-escalon { font-size: 0.75rem; font-weight: 600; display: flex; align-items: center; gap: 4px; }
.item-costo { font-size: 0.75rem; font-weight: 700; white-space: nowrap; }

/* Colores para el JS (Limpios, sin neón) */
.esc-verde { color: var(--success-green); }
.esc-amarillo { color: var(--warning-amber); }
.esc-naranja { color: #fd7e14; }
.esc-rojo { color: var(--ngc-danger); }

.btn-delete { background: transparent; border: 1px solid var(--ngc-privacy-border); border-radius: 6px; color: var(--ngc-text-muted); width: 30px; height: 30px; display:flex; align-items:center; justify-content:center; cursor: pointer; transition: 0.3s;}
.btn-delete:hover { background: rgba(255,77,77,0.1); border-color: var(--ngc-danger); color: var(--ngc-danger); }

/* CORRECCIÓN: BARRA DE PROGRESO DE ESCALAFÓN MATTE */
.tier-badge {
    background-color: var(--quote-bg); border: 1px solid var(--ngc-privacy-border);
    padding: 15px; border-radius: 12px; text-align: center;
    font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.5px; animation: fadeIn 0.4s ease;
    box-shadow: 0 4px 10px var(--card-shadow); margin-bottom: 25px; width: 100%;
}

.tier-progress-bar {
    display: flex; gap: 4px; height: 8px; width: 100%;
    margin-top: 12px; border-radius: 4px; overflow: hidden;
    background: var(--input-bg);
}
.tier-segment {
    flex: 1; height: 100%; opacity: 0.2; transition: all 0.4s ease; background: var(--ngc-text-muted);
}
/* Colores planos institucionales */
.tier-segment.active-1 { opacity: 1; background: var(--success-green); }
.tier-segment.active-2 { opacity: 1; background: var(--warning-amber); }
.tier-segment.active-3 { opacity: 1; background: #fd7e14; }
.tier-segment.active-4 { opacity: 1; background: var(--ngc-danger); }

/* CTA Optimizar */
.cta-optimizar {
    background: var(--quote-bg); backdrop-filter: var(--ngc-blur);
    border: var(--ngc-border-glass); border-left: 4px solid var(--success-green);
    border-radius: 12px; padding: 18px 15px; text-align: center; margin-bottom: 15px;
    box-shadow: 0 8px 20px var(--card-shadow);
}
.cta-title { display: block; color: var(--ngc-text-main); font-weight: bold; font-size: 0.9rem; margin-bottom: 5px;}
.cta-optimizar p { font-size: 0.75rem; color: var(--ngc-text-muted); margin-bottom: 12px; line-height: 1.4;}

.btn-cta-wa {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
    background: #25D366; color: white; text-decoration: none; padding: 12px;
    border-radius: 8px; font-weight: bold; font-size: 0.85rem; text-transform: uppercase; transition: 0.3s;
}
.btn-cta-wa:hover { background: #1ebe57; transform: translateY(-2px); box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3); }

.ngc-tech-legend {
    background: var(--ngc-glass); backdrop-filter: var(--ngc-blur); border: var(--ngc-border-glass);
    border-radius: 16px; padding: 18px; color: var(--ngc-text-muted);
    box-shadow: 0 10px 30px var(--card-shadow), var(--ngc-glass-edge); margin-bottom: 15px;
}
.legend-title { display: block; color: var(--ngc-text-main); font-size: 0.8rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.legend-title i { color: var(--ngc-neon); margin-right: 5px;}
.legend-section { margin-bottom: 15px; border-bottom: 1px solid var(--ngc-privacy-border); padding-bottom: 12px; }
.legend-subtitle { font-size: 0.75rem; margin-bottom: 8px; color: var(--ngc-text-main); font-weight: 600;}
.legend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; font-size: 0.75rem; }
.legend-box { background: var(--item-row-bg); padding: 8px; border-radius: 6px; border-left: 3px solid var(--success-green); color: var(--ngc-text-main); }
.legend-list { font-size: 0.8rem; list-style: none; line-height: 1.5; }
.legend-list li { margin-bottom: 8px; display: flex; gap: 8px; align-items: flex-start; }
.legend-list i { color: var(--success-green); margin-top: 3px; font-size: 0.7rem; }
.legend-list strong { color: var(--ngc-text-main); }
.legend-footer { margin-top: 15px; font-size: 0.65rem; text-align: right; color: var(--ngc-text-muted); font-weight: bold; letter-spacing: 1px; }

@keyframes slideDown { from { opacity: 0; transform: translateY(-15px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ======================================================= */
/*      ADAPTACIÓN RESPONSIVE (PC) - CALCULADORA           */
/* ======================================================= */
@media (min-width: 1024px) {
    /* 1. Expandimos la calculadora al ancho completo del sitio */
    .ngc-wrapper { 
        max-width: 1200px !important; 
    }
    
    /* 2. Columnas idénticas al resto del sitio web */
    .layout-desktop { 
        display: grid !important; 
        grid-template-columns: 420px 1fr !important; 
        gap: 30px; 
        align-items: start; 
    }
    
    /* 3. Columna izquierda (Controles) fija bajo el menú */
    .col-izquierda { 
        position: sticky !important; 
        top: 100px !important; 
        display: flex; 
        flex-direction: column; 
        gap: 0; 
        max-height: calc(100vh - 120px) !important; 
        overflow-y: auto; 
        padding-right: 5px; 
    }
    .col-izquierda::-webkit-scrollbar { width: 0px; }
    
    /* 4. Columna derecha (Resultados) expandida */
    .col-derecha { 
        display: flex; 
        flex-direction: column; 
        min-height: calc(100vh - 120px); 
    }
    
    .ngc-module { margin-bottom: 15px; }
}

@media (max-width: 1023px) {
    .col-izquierda, .col-derecha { display: block; }
    .ngc-module, .ngc-tech-legend, .btn-add, .summary-panel, .cta-optimizar, .tier-badge { margin-bottom: 12px !important; }
    .footer-gnc-compact { margin-top: 0 !important; }
    }