/* ==========================================================================
   Herramienta: Comparativa Baterías NCM vs LFP (atto3_ncm_lfp.css)
   Soporte Multi-Tema Completo (Dark / Light) con Persistencia y 100% Responsivo
   ========================================================================== */

:root,
[data-theme='dark'],
body[data-theme='dark'],
body.dark-theme {
    --bg-page: radial-gradient(circle at top center, #1a2332 0%, #0d1013 80%);
    --card-bg: rgba(22, 28, 36, 0.88);
    --card-bg-solid: #161c24;
    --card-bg-hover: rgba(30, 41, 59, 0.95);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-shadow: rgba(0, 0, 0, 0.45);
    
    --text-main: #f1f5f9;
    --text-title: #ffffff;
    --text-muted-color: #94a3b8;
    --text-subtle: rgba(255, 255, 255, 0.6);
    
    --border-subtle: rgba(255, 255, 255, 0.08);
    --input-bg: rgba(15, 23, 42, 0.85);
    --input-border: rgba(255, 255, 255, 0.18);
    --input-text: #f8fafc;
    --table-hover-bg: rgba(255, 255, 255, 0.05);
    --table-header-bg: rgba(0, 0, 0, 0.35);
    --box-summary-bg: rgba(0, 0, 0, 0.25);
    
    --ncm-color-primary: #3b82f6;
    --ncm-color-secondary: #8b5cf6;
    --ncm-bg-gradient: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(139, 92, 246, 0.08));
    --ncm-border: rgba(59, 130, 246, 0.4);
    
    --lfp-color-primary: #10b981;
    --lfp-color-secondary: #06b6d4;
    --lfp-bg-gradient: linear-gradient(135deg, rgba(16, 185, 129, 0.18), rgba(6, 182, 212, 0.08));
    --lfp-border: rgba(16, 185, 129, 0.4);
    
    --theme-toggle-color: #ff9f43;
    --modal-close-filter: invert(1);
    --progress-bg: rgba(255, 255, 255, 0.12);
}

[data-theme='light'],
body[data-theme='light'],
body.light-theme,
[data-bs-theme='light'] {
    --bg-page: linear-gradient(135deg, #f3f6f9 0%, #e2e8f0 100%);
    --card-bg: #ffffff;
    --card-bg-solid: #ffffff;
    --card-bg-hover: #f8fafc;
    --card-border: rgba(0, 0, 0, 0.12);
    --card-shadow: rgba(0, 0, 0, 0.08);
    
    --text-main: #0f172a;
    --text-title: #020617;
    --text-muted-color: #475569;
    --text-subtle: #64748b;
    
    --border-subtle: rgba(0, 0, 0, 0.08);
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-text: #0f172a;
    --table-hover-bg: rgba(0, 0, 0, 0.03);
    --table-header-bg: #f1f5f9;
    --box-summary-bg: #f8fafc;
    
    --ncm-color-primary: #2563eb;
    --ncm-color-secondary: #7c3aed;
    --ncm-bg-gradient: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(124, 58, 237, 0.04));
    --ncm-border: rgba(37, 99, 235, 0.35);
    
    --lfp-color-primary: #059669;
    --lfp-color-secondary: #0891b2;
    --lfp-bg-gradient: linear-gradient(135deg, rgba(5, 150, 105, 0.08), rgba(8, 145, 178, 0.04));
    --lfp-border: rgba(5, 150, 105, 0.35);
    
    --theme-toggle-color: #d97706;
    --modal-close-filter: none;
    --progress-bg: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Estructura Global
   ========================================================================== */
body {
    background: var(--bg-page) !important;
    color: var(--text-main) !important;
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    min-height: 100vh;
    transition: background 0.3s ease, color 0.3s ease;
}

.ncm-lfp-container {
    width: 100%;
    max-width: 98%;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 3.5rem;
}

@media (min-width: 1800px) {
    .ncm-lfp-container {
        max-width: 1750px;
    }
}

/* Alternador Flotante de Tema */
.theme-toggle {
    position: fixed;
    top: 80px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 4px 15px var(--card-shadow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.theme-toggle:hover {
    transform: scale(1.1);
    border-color: var(--ncm-color-primary);
}

.theme-toggle i {
    font-size: 1.25rem;
    color: var(--theme-toggle-color);
}

/* Encabezados y Títulos */
.hero-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.hero-title {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--text-title);
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-muted-color);
    max-width: 850px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Pestañas de Navegación */
.custom-nav-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 1rem;
    margin-bottom: 2rem;
}

.custom-nav-tabs .nav-link {
    color: var(--text-muted-color);
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 9999px;
    padding: 0.6rem 1.25rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.custom-nav-tabs .nav-link:hover {
    color: var(--text-title);
    border-color: var(--ncm-color-primary);
    transform: translateY(-1px);
}

.custom-nav-tabs .nav-link.active {
    color: #ffffff !important;
    background: linear-gradient(135deg, var(--ncm-color-primary), var(--lfp-color-primary));
    border-color: transparent;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

/* Tarjetas Head to Head */
.h2h-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    padding: 2rem 1.75rem;
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px var(--card-shadow);
}

.h2h-card:hover {
    transform: translateY(-4px);
}

.h2h-card.card-lfp {
    background: var(--lfp-bg-gradient), var(--card-bg);
    border-color: var(--lfp-border);
}

.h2h-card.card-lfp:hover {
    box-shadow: 0 12px 35px rgba(16, 185, 129, 0.2);
}

.h2h-card.card-ncm {
    background: var(--ncm-bg-gradient), var(--card-bg);
    border-color: var(--ncm-border);
}

.h2h-card.card-ncm:hover {
    box-shadow: 0 12px 35px rgba(59, 130, 246, 0.2);
}

.card-badge-pill {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 9999px;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
}

.badge-lfp-style {
    background: rgba(16, 185, 129, 0.18);
    color: var(--lfp-color-primary);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.badge-ncm-style {
    background: rgba(59, 130, 246, 0.18);
    color: var(--ncm-color-primary);
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.badge-nca-style {
    background: rgba(245, 158, 11, 0.18);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.4);
}

.h2h-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.35rem;
}

.h2h-subtitle {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted-color);
    margin-bottom: 1.25rem;
}

.h2h-desc {
    font-size: 0.95rem;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.pros-cons-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.pros-cons-list li {
    font-size: 0.9rem;
    margin-bottom: 0.65rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    line-height: 1.45;
}

.pro-item {
    color: var(--lfp-color-primary);
}

.con-item {
    color: #ef4444;
}

.pros-cons-list li span {
    color: var(--text-main);
}

.h2h-summary-box {
    background: var(--box-summary-bg);
    border: 1px solid var(--card-border);
    border-radius: 0.75rem;
    padding: 0.85rem 1rem;
    font-size: 0.88rem;
    color: var(--text-main);
    border-left: 4px solid;
}

.card-lfp .h2h-summary-box {
    border-left-color: var(--lfp-color-primary);
}

.card-ncm .h2h-summary-box {
    border-left-color: var(--ncm-color-primary);
}

/* Sección de Métricas Técnicas */
.tech-matrix-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    padding: 1.75rem;
    margin-bottom: 2.5rem;
    box-shadow: 0 8px 24px var(--card-shadow);
}

.section-heading {
    margin-bottom: 1.5rem;
}

.section-title {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted-color);
    margin: 0;
}

.spec-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr 2fr;
    gap: 1rem;
    align-items: center;
    padding: 1rem 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
    transition: background 0.15s ease;
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:hover {
    background: var(--table-hover-bg);
    border-radius: 0.5rem;
}

.spec-row-header {
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted-color);
    border-bottom: 2px solid var(--border-subtle);
    padding-bottom: 0.75rem;
}

.spec-name {
    font-weight: 600;
    color: var(--text-title);
    font-size: 0.95rem;
}

.spec-val-lfp {
    font-weight: 700;
    color: var(--lfp-color-primary);
    font-size: 0.95rem;
}

.spec-val-ncm {
    font-weight: 700;
    color: var(--ncm-color-primary);
    font-size: 0.95rem;
}

.spec-note {
    font-size: 0.85rem;
    color: var(--text-muted-color);
    line-height: 1.4;
}

/* KPIs de Mercado */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.25rem 1rem;
    text-align: center;
    box-shadow: 0 4px 16px var(--card-shadow);
}

.kpi-val {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-title);
    margin-bottom: 0.25rem;
    display: block;
}

.kpi-val.highlight-green {
    color: var(--lfp-color-primary);
}

.kpi-val.highlight-blue {
    color: var(--ncm-color-primary);
}

.kpi-title {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted-color);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* Gráficas */
.chart-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    padding: 1.5rem;
    margin-bottom: 1.75rem;
    box-shadow: 0 6px 20px var(--card-shadow);
    height: 100%;
}

.chart-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.chart-wrapper {
    position: relative;
    height: 320px;
    width: 100%;
}

/* Catálogo y Tabla de Modelos */
.catalog-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.catalog-search-input {
    flex: 1 1 280px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
    padding: 0.65rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.95rem;
    outline: none;
    min-height: 40px;
}

.catalog-search-input:focus {
    border-color: var(--ncm-color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.catalog-select {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
    padding: 0.65rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.95rem;
    outline: none;
    min-height: 40px;
    max-width: 100%;
    min-width: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

/* Opciones de desplegable blindadas contra fondos de sistema */
select.catalog-select option,
select.sim-select option {
    background-color: var(--card-bg-solid) !important;
    color: var(--text-main) !important;
}

.table-responsive-custom {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 0.75rem;
    border: 1px solid var(--border-subtle);
}

.models-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    color: var(--text-main);
}

.models-table > :not(caption) > * > * {
    background-color: transparent !important;
    box-shadow: none !important;
    color: var(--text-main) !important;
}

.models-table th {
    background: var(--table-header-bg) !important;
    color: var(--text-muted-color);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    padding: 1rem 0.85rem;
    border-bottom: 2px solid var(--border-subtle);
    white-space: nowrap;
}

/* Anchos armónicos de columna para visibilidad total directa */
.models-table th:nth-child(1) { min-width: 145px; } /* Marca y modelo */
.models-table th:nth-child(2) { min-width: 75px; text-align: center; } /* Química */
.models-table td:nth-child(2) { text-align: center; }
.models-table th:nth-child(3) { min-width: 95px; } /* Capacidad */
.models-table th:nth-child(4) { min-width: 125px; } /* Fabricante celdas */
.models-table th:nth-child(5) { min-width: 100px; } /* Autonomía WLTP */
.models-table th:nth-child(6) { min-width: 95px; } /* Carga DC */
.models-table th:nth-child(7) { min-width: 135px; } /* Carga recomendada */
.models-table th:nth-child(8) { min-width: 100px; text-align: center; } /* Detalles */
.models-table td:nth-child(8) { text-align: center; }

.models-table td {
    padding: 0.85rem 0.85rem;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.models-table tr:hover td {
    background: var(--table-hover-bg);
}

.model-name-badge {
    font-weight: 700;
    color: var(--text-title);
    display: block;
    white-space: nowrap;
}

.model-segment-sub {
    font-size: 0.78rem;
    color: var(--text-muted-color);
    white-space: nowrap;
    display: block;
}

/* Badge de carga recomendada estilizado y compacto */
.charge-rec-box {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
}

.badge-charge-compact {
    display: inline-flex;
    align-items: center;
    padding: 0.32rem 0.75rem;
    font-size: 0.84rem;
    font-weight: 700;
    border-radius: 9999px;
    letter-spacing: 0.01em;
    text-transform: none; /* Respetar capitalización natural */
    white-space: nowrap;
    line-height: 1.2;
    transition: transform 0.15s ease;
}

.badge-charge-compact:hover {
    transform: scale(1.03);
}

.badge-charge-lfp {
    background: rgba(16, 185, 129, 0.16);
    color: var(--lfp-color-primary);
    border: 1px solid rgba(16, 185, 129, 0.35);
}

.badge-charge-ncm {
    background: rgba(59, 130, 246, 0.16);
    color: var(--ncm-color-primary);
    border: 1px solid rgba(59, 130, 246, 0.35);
}

.charge-rec-hint {
    font-size: 0.76rem;
    color: var(--text-muted-color);
    white-space: nowrap;
    margin-left: 2px;
}

.btn-detail-action {
    background: rgba(59, 130, 246, 0.12);
    color: var(--ncm-color-primary);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 0.35rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.82rem;
    font-weight: 600;
    transition: all 0.2s ease;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.btn-detail-action:hover {
    background: var(--ncm-color-primary);
    color: #ffffff;
}

/* Simulador Inteligente */
.sim-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    padding: 2rem;
    box-shadow: 0 10px 30px var(--card-shadow);
    margin-bottom: 2.5rem;
}

.sim-form-group {
    margin-bottom: 1.25rem;
}

.sim-label {
    display: block;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-title);
    margin-bottom: 0.5rem;
}

.sim-input,
.sim-select {
    width: 100%;
    min-height: 42px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--input-text);
    padding: 0.65rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.95rem;
    outline: none;
    max-width: 100%;
    min-width: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

.sim-input:focus,
.sim-select:focus {
    border-color: var(--lfp-color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.sim-btn-submit {
    width: 100%;
    min-height: 48px;
    background: linear-gradient(135deg, var(--lfp-color-primary), var(--ncm-color-primary));
    color: #ffffff;
    border: none;
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.sim-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}

.sim-result-box {
    background: var(--box-summary-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.winner-badge-box {
    padding: 1rem;
    border-radius: 0.75rem;
    text-align: center;
    font-weight: 800;
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.winner-lfp {
    background: rgba(16, 185, 129, 0.18);
    color: var(--lfp-color-primary);
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.winner-ncm {
    background: rgba(59, 130, 246, 0.18);
    color: var(--ncm-color-primary);
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.progress-container {
    margin-bottom: 1rem;
}

.progress-label-bar {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-main);
}

.custom-progress {
    height: 10px;
    background: var(--progress-bg);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar-lfp {
    height: 100%;
    background: var(--lfp-color-primary);
    border-radius: 9999px;
    transition: width 0.6s ease;
}

.progress-bar-ncm {
    height: 100%;
    background: var(--ncm-color-primary);
    border-radius: 9999px;
    transition: width 0.6s ease;
}

/* Mitos y Guía */
.myths-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.myth-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 16px var(--card-shadow);
}

.myth-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-title);
    margin-bottom: 0.65rem;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.myth-title i {
    color: #f59e0b;
    margin-top: 2px;
}

.myth-desc {
    font-size: 0.9rem;
    color: var(--text-muted-color);
    line-height: 1.55;
    margin: 0;
}

/* Modales */
.custom-modal-content {
    background: var(--card-bg-solid);
    border: 1px solid var(--card-border);
    border-radius: 1.25rem;
    color: var(--text-main);
    box-shadow: 0 20px 60px var(--card-shadow);
}

.custom-modal-header {
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.25rem 1.5rem;
}

.custom-modal-header .btn-close {
    filter: var(--modal-close-filter);
}

.custom-modal-body {
    padding: 1.5rem;
}

.modal-spec-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.92rem;
}

.modal-spec-item:last-child {
    border-bottom: none;
}

.modal-spec-label {
    color: var(--text-muted-color);
    font-weight: 600;
}

.modal-spec-value {
    color: var(--text-title);
    font-weight: 700;
    text-align: right;
}

/* Responsividad en Móviles */
@media (max-width: 768px) {
    .ncm-lfp-container {
        padding: 1rem 0.5rem 2rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .custom-nav-tabs {
        justify-content: stretch;
    }
    
    .custom-nav-tabs .nav-link {
        width: 100%;
        justify-content: center;
    }
    
    .spec-row {
        grid-template-columns: 1fr;
        gap: 0.35rem;
        padding: 0.85rem 0;
    }
    
    .spec-row-header {
        display: none;
    }
    
    .spec-name {
        font-size: 1rem;
        margin-bottom: 0.25rem;
    }
    
    .spec-val-lfp::before {
        content: "LFP: ";
        font-weight: 600;
        color: var(--text-muted-color);
    }
    
    .spec-val-ncm::before {
        content: "NCM: ";
        font-weight: 600;
        color: var(--text-muted-color);
    }
    
    .catalog-controls {
        flex-direction: column;
    }
    
    .catalog-search-input,
    .catalog-select {
        width: 100% !important;
        flex: 1 1 100%;
    }
    
    .chart-wrapper {
        height: 270px;
    }
}