/* ==========================================================================
   Herramienta: Consumo en BEV con Remolque / Caravana (atto3_remolque.css)
   Estética Automotriz Sobria y Premium - Soporte Multi-Tema (Dark / Light)
   ========================================================================== */

:root,
[data-theme='dark'],
body[data-theme='dark'] {
    --rem-bg-page: radial-gradient(circle at top center, #1a2332 0%, #0d1013 80%);
    --rem-bg-card: rgba(22, 28, 36, 0.88);
    --rem-bg-card-solid: #161c24;
    --rem-bg-card-hover: rgba(30, 41, 59, 0.95);
    --rem-border-color: rgba(255, 255, 255, 0.1);
    --rem-border-hover: rgba(59, 130, 246, 0.5);
    
    --rem-accent: #3b82f6;
    --rem-accent-gradient: linear-gradient(135deg, #2563eb, #0284c7);
    
    --rem-text-main: #f1f5f9;
    --rem-text-title: #ffffff;
    --rem-text-muted: #94a3b8;
    
    --rem-text-cyan: #38bdf8;
    --rem-text-amber: #fbbf24;
    --rem-text-emerald: #34d399;
    --rem-text-rose: #fb7185;
    --rem-text-indigo: #a5b4fc;
    
    --rem-card-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    --rem-input-bg: rgba(15, 23, 42, 0.85);
    --rem-input-border: rgba(255, 255, 255, 0.15);
    
    --rem-select-option-bg: #161c24;
    --rem-select-option-text: #f1f5f9;
    --rem-table-header-bg: rgba(0, 0, 0, 0.35);
    --rem-table-stripe-bg: rgba(255, 255, 255, 0.02);
    
    --rem-pill-bg: rgba(59, 130, 246, 0.12);
    --rem-pill-border: rgba(59, 130, 246, 0.3);
}

[data-theme='light'],
body[data-theme='light'] {
    --rem-bg-page: linear-gradient(135deg, #f3f6f9 0%, #e2e8f0 100%);
    --rem-bg-card: #ffffff;
    --rem-bg-card-solid: #ffffff;
    --rem-bg-card-hover: #f8fafc;
    --rem-border-color: rgba(0, 0, 0, 0.12);
    --rem-border-hover: rgba(37, 99, 235, 0.5);
    
    --rem-accent: #2563eb;
    --rem-accent-gradient: linear-gradient(135deg, #2563eb, #0284c7);
    
    --rem-text-main: #0f172a;
    --rem-text-title: #020617;
    --rem-text-muted: #475569;
    
    --rem-text-cyan: #0284c7;
    --rem-text-amber: #d97706;
    --rem-text-emerald: #059669;
    --rem-text-rose: #e11d48;
    --rem-text-indigo: #4338ca;
    
    --rem-card-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
    --rem-input-bg: #ffffff;
    --rem-input-border: #cbd5e1;
    
    --rem-select-option-bg: #ffffff;
    --rem-select-option-text: #0f172a;
    --rem-table-header-bg: #f1f5f9;
    --rem-table-stripe-bg: rgba(0, 0, 0, 0.02);
    
    --rem-pill-bg: rgba(37, 99, 235, 0.08);
    --rem-pill-border: rgba(37, 99, 235, 0.25);
}

body {
    background: var(--rem-bg-page) !important;
    color: var(--rem-text-main) !important;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    color: var(--rem-text-title);
}

.text-muted, .small-muted {
    color: var(--rem-text-muted) !important;
}

.text-cyan { color: var(--rem-text-cyan) !important; }
.text-amber { color: var(--rem-text-amber) !important; }
.text-emerald { color: var(--rem-text-emerald) !important; }
.text-rose { color: var(--rem-text-rose) !important; }
.text-indigo { color: var(--rem-text-indigo) !important; }

/* --- HERO CARD & BADGE --- */
.hero-card {
    background: var(--rem-bg-card);
    border: 1px solid var(--rem-border-color);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    box-shadow: var(--rem-card-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.hero-badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--rem-pill-bg);
    color: var(--rem-text-cyan);
    border: 1px solid var(--rem-pill-border);
    padding: 0.35rem 0.9rem;
    border-radius: 9999px;
    font-size: 0.82rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero-img-banner {
    width: 100%;
    max-height: 340px;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--rem-border-color);
    box-shadow: var(--rem-card-shadow);
}

/* --- NAV TABS CUSTOM (ESTILO PASTILLAS LIMPIAS) --- */
.nav-pills-custom {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    background: transparent;
    padding: 0 0 1rem 0;
    border-bottom: 1px solid var(--rem-border-color);
    margin-bottom: 2rem;
}

.nav-pills-custom .nav-link {
    color: var(--rem-text-muted);
    background: var(--rem-bg-card);
    border: 1px solid var(--rem-border-color);
    border-radius: 9999px;
    padding: 0.6rem 1.35rem;
    font-weight: 600;
    font-size: 0.92rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
}

.nav-pills-custom .nav-link:hover {
    color: var(--rem-text-title);
    border-color: var(--rem-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-pills-custom .nav-link.active {
    color: #ffffff !important;
    background: var(--rem-accent-gradient) !important;
    border-color: transparent !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    transform: translateY(-1px);
}

/* --- TARJETAS HUD Y PANELES --- */
.tech-card {
    background: var(--rem-bg-card);
    border: 1px solid var(--rem-border-color);
    border-radius: 14px;
    backdrop-filter: blur(10px);
    box-shadow: var(--rem-card-shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.tech-card:hover {
    border-color: var(--rem-border-hover);
}

/* --- SELECTOR DE REMOLQUES EN CUADRÍCULA --- */
.trailer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.trailer-item {
    background: var(--rem-input-bg);
    border: 1px solid var(--rem-border-color);
    border-radius: 12px;
    padding: 1.1rem 0.9rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 140px;
}

.trailer-item:hover {
    border-color: var(--rem-accent);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.trailer-item.selected {
    border-color: var(--rem-accent);
    background: var(--rem-pill-bg);
    box-shadow: 0 0 0 1px var(--rem-accent), 0 4px 15px rgba(37, 99, 235, 0.2);
}

.trailer-icon-box {
    font-size: 2rem;
    color: var(--rem-text-muted);
    margin-bottom: 0.4rem;
    transition: color 0.2s ease, transform 0.2s ease;
}

.trailer-item.selected .trailer-icon-box {
    color: var(--rem-text-cyan);
    transform: scale(1.08);
}

.trailer-item .trailer-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--rem-text-title);
    margin-bottom: 0.2rem;
    line-height: 1.25;
}

.trailer-item .trailer-desc {
    font-size: 0.72rem;
    color: var(--rem-text-muted);
    line-height: 1.25;
}

.trailer-item .badge-check {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--rem-accent);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.2s ease;
}

.trailer-item.selected .badge-check {
    opacity: 1;
    transform: scale(1);
}

/* --- FORM CONTROLS & SELECTS --- */
.form-select, .form-control {
    background-color: var(--rem-input-bg) !important;
    border: 1px solid var(--rem-input-border) !important;
    color: var(--rem-text-main) !important;
    border-radius: 8px;
    padding: 0.6rem 0.9rem;
    min-height: 42px;
    width: 100%;
    max-width: 100%;
    font-size: 0.92rem;
}

.form-select {
    min-width: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}

.form-select:focus, .form-control:focus {
    border-color: var(--rem-accent) !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25) !important;
}

.form-select option {
    background-color: var(--rem-select-option-bg) !important;
    color: var(--rem-select-option-text) !important;
}

.form-range {
    cursor: pointer;
    accent-color: var(--rem-accent);
}

.range-val-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--rem-text-cyan);
}

/* --- RESULT CARDS METRICS --- */
.metric-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.metric-card {
    background: var(--rem-input-bg);
    border: 1px solid var(--rem-border-color);
    border-radius: 12px;
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--rem-accent);
}

.metric-card.card-amber::before { background: var(--rem-text-amber); }
.metric-card.card-rose::before { background: var(--rem-text-rose); }
.metric-card.card-emerald::before { background: var(--rem-text-emerald); }

.metric-title {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--rem-text-muted);
    margin-bottom: 0.4rem;
    font-weight: 600;
}

.metric-value-box {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}

.metric-main-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--rem-text-title);
    line-height: 1;
}

.metric-unit {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--rem-text-muted);
}

.metric-sub-val {
    font-size: 0.8rem;
    color: var(--rem-text-muted);
}

.badge-diff-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
}

.badge-diff-rose {
    background: rgba(244, 63, 94, 0.15);
    color: var(--rem-text-rose);
    border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge-diff-amber {
    background: rgba(245, 158, 11, 0.15);
    color: var(--rem-text-amber);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-diff-emerald {
    background: rgba(16, 185, 129, 0.15);
    color: var(--rem-text-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* --- TABLA COMPARATIVA RESPONSIVE --- */
.table-responsive-custom {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
    border-radius: 10px;
    border: 1px solid var(--rem-border-color);
}

.table-custom {
    width: 100%;
    margin-bottom: 0;
    border-collapse: collapse;
    color: var(--rem-text-main);
    min-width: 600px;
}

.table-custom th {
    background: var(--rem-table-header-bg);
    color: var(--rem-text-title);
    font-weight: 700;
    padding: 0.85rem 1rem;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--rem-border-color);
}

.table-custom td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--rem-border-color);
    font-size: 0.85rem;
    vertical-align: middle;
}

.table-custom tbody tr:nth-of-type(even) {
    background-color: var(--rem-table-stripe-bg);
}

.table-custom tbody tr:hover {
    background-color: var(--rem-pill-bg);
}

.table-font-mono {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

/* --- PILARES FÍSICOS INFOGRÁFICA --- */
.pillar-card {
    background: var(--rem-bg-card);
    border: 1px solid var(--rem-border-color);
    border-radius: 14px;
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    position: relative;
    box-shadow: var(--rem-card-shadow);
}

.pillar-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pillar-icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    background: var(--rem-pill-bg);
    color: var(--rem-text-cyan);
    border: 1px solid var(--rem-pill-border);
    flex-shrink: 0;
}

.pillar-icon-circle.icon-amber {
    background: rgba(245, 158, 11, 0.12);
    color: var(--rem-text-amber);
    border-color: rgba(245, 158, 11, 0.3);
}

.pillar-icon-circle.icon-rose {
    background: rgba(244, 63, 94, 0.12);
    color: var(--rem-text-rose);
    border-color: rgba(244, 63, 94, 0.3);
}

.pillar-icon-circle.icon-indigo {
    background: rgba(129, 140, 248, 0.12);
    color: var(--rem-text-indigo);
    border-color: rgba(129, 140, 248, 0.3);
}

.pillar-badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--rem-text-muted);
}

.pillar-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0;
    line-height: 1.3;
}

.pillar-body p {
    color: var(--rem-text-main);
    line-height: 1.6;
    margin-bottom: 0.8rem;
    font-size: 0.92rem;
}

.pillar-body p:last-child {
    margin-bottom: 0;
}

/* --- GUÍA Y CONSEJOS LOGÍSTICOS --- */
.tip-item-card {
    background: var(--rem-input-bg);
    border: 1px solid var(--rem-border-color);
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.tip-icon {
    font-size: 1.5rem;
    color: var(--rem-text-cyan);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

/* --- FAQ ACCORDION --- */
.accordion-custom .accordion-item {
    background: var(--rem-bg-card) !important;
    border: 1px solid var(--rem-border-color) !important;
    border-radius: 10px !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}

.accordion-custom .accordion-button {
    background: var(--rem-bg-card) !important;
    color: var(--rem-text-title) !important;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 1rem 1.25rem;
    box-shadow: none !important;
}

.accordion-custom .accordion-button:not(.collapsed) {
    color: var(--rem-text-cyan) !important;
    border-bottom: 1px solid var(--rem-border-color);
}

.accordion-custom .accordion-body {
    background: var(--rem-input-bg);
    color: var(--rem-text-main);
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 1.25rem;
}


/* --- RESPONSIVIDAD MÓVIL --- */
@media (max-width: 768px) {
    .hero-card {
        padding: 1.25rem;
    }
    .hero-img-banner {
        max-height: 220px;
    }
    .trailer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.6rem;
    }
    .trailer-item {
        min-height: 120px;
        padding: 0.75rem 0.5rem;
    }
    .trailer-icon-box {
        font-size: 1.6rem;
    }
    .trailer-item .trailer-title {
        font-size: 0.78rem;
    }
    .trailer-item .trailer-desc {
        display: none;
    }
    .metric-grid {
        grid-template-columns: 1fr;
    }
    .nav-pills-custom .nav-link {
        flex: 1 1 auto;
        text-align: center;
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}