/* Hoja de estilos premium oficial para el Simulador de Degradación de Batería LFP (BYD Atto 3) */

:root {
    /* --- TEMA DARK (Por defecto del portal) --- */
    --bg-main: radial-gradient(circle at top center, #1a2a3a 0%, #0f1214 80%);
    --text-main: #e0e0e0;
    --text-title: #ffffff;
    --text-muted: #ced4da;
    --text-subtitle: rgba(255, 255, 255, 0.5);

    /* Tarjetas */
    --card-bg: rgba(30, 35, 40, 0.8);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-shadow: rgba(0, 0, 0, 0.2);

    /* Colores de acento */
    --cyan-primary: #00d2ff;
    --cyan-glow: rgba(0, 210, 255, 0.5);
    --cyan-border: rgba(0, 210, 255, 0.3);
    --cyan-bg: rgba(0, 210, 255, 0.15);

    --green-primary: #2ecc71;
    --green-glow: rgba(46, 204, 113, 0.3);
    --green-border: rgba(25, 135, 84, 0.4);
    --green-bg: rgba(25, 135, 84, 0.15);

    --red-primary: #ff6b6b;
    --red-glow: rgba(231, 76, 60, 0.3);
    --red-border: rgba(220, 53, 69, 0.4);
    --red-bg: rgba(220, 53, 69, 0.1);

    --yellow-primary: #ffc107;
    --yellow-border: rgba(255, 193, 7, 0.3);
    --yellow-bg: rgba(255, 193, 7, 0.15);

    /* Separadores y sombras */
    --separator-color: rgba(255, 255, 255, 0.2);
    --shadow-color: rgba(0, 0, 0, 0.3);
}

[data-theme='light'] {
    /* --- TEMA LIGHT --- */
    --bg-main: linear-gradient(135deg, #f0f4f8 0%, #e8eef3 100%);
    --text-main: #212529;
    --text-title: #1a1d21;
    --text-muted: #495057;
    --text-subtitle: #6c757d;

    /* Tarjetas */
    --card-bg: #ffffff;
    --card-border: rgba(0, 0, 0, 0.15);
    --card-shadow: rgba(0, 0, 0, 0.1);

    /* Colores de acento */
    --cyan-primary: #0077a3;
    --cyan-glow: rgba(0, 119, 163, 0.3);
    --cyan-border: rgba(0, 119, 163, 0.4);
    --cyan-bg: rgba(0, 119, 163, 0.08);

    --yellow-primary: #d39e00;
    --yellow-border: rgba(211, 158, 0, 0.4);
    --yellow-bg: rgba(255, 193, 7, 0.1);

    --green-primary: #198754;
    --green-glow: rgba(25, 135, 84, 0.3);
    --green-border: rgba(25, 135, 84, 0.5);
    --green-bg: rgba(25, 135, 84, 0.08);

    --red-primary: #dc3545;
    --red-glow: rgba(220, 53, 69, 0.3);
    --red-border: rgba(220, 53, 69, 0.5);
    --red-bg: rgba(220, 53, 69, 0.08);

    /* Separadores y sombras */
    --separator-color: rgba(0, 0, 0, 0.15);
    --shadow-color: rgba(0, 0, 0, 0.15);
}

/* Aplicar fondo oficial del portal al body */
body {
    background: var(--bg-main) !important;
    color: var(--text-main) !important;
    transition: background 0.3s ease, color 0.3s ease;
}

.content-wrapper {
    max-width: 1600px;
}

/* Títulos con sombra oficial */
.main-title {
    color: var(--cyan-primary) !important;
    text-shadow: 0 0 20px var(--cyan-glow);
    font-size: 2.5rem;
}

.main-subtitle {
    color: var(--text-subtitle) !important;
}

/* ============================================================================
   BLINDAJE DE CONTRASTE Y TRADUCCIÓN DE CLASES OFICIALES
   ============================================================================ */
.text-light-custom,
.small,
.text-muted,
.rec-text,
.diag-desc,
.tab-pane p,
.tab-pane li {
    color: var(--text-muted) !important;
}

.text-white-custom,
.hud-label,
h1, h2, h3, h4, h5, h6,
.card-title-custom,
.slider-label span,
.form-check-label {
    color: var(--text-title) !important;
}

.text-white-50-custom {
    color: var(--text-subtitle) !important;
}

/* ============================================================================
   THEME TOGGLE BUTTON - POSICIÓN OFICIAL DEL PORTAL (ARRIBA A LA DERECHA)
   ============================================================================ */
.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(--shadow-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle i {
    font-size: 1.2rem;
    color: var(--cyan-primary);
}

/* ============================================================================ */

/* Tarjetas oficiales del portal */
.card-clean {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--card-border) !important;
    border-radius: 1rem !important;
    box-shadow: 0 4px 12px var(--card-shadow) !important;
    backdrop-filter: blur(10px) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    height: 100%;
    color: var(--text-main);
    transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card-clean:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.15) !important;
}

.card-title-custom {
    color: var(--cyan-primary) !important;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 12px;
}

/* Sliders de Rango Oficiales */
.slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-weight: 500;
    font-size: 0.92rem;
}

.slider-value {
    color: var(--cyan-primary) !important;
    font-weight: 700;
    font-size: 0.95rem;
    background: var(--cyan-bg);
    padding: 3px 12px;
    border-radius: 30px;
    border: 1px solid var(--cyan-border);
    font-family: 'Roboto', monospace;
}

.slider-custom {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--card-border);
    outline: none;
    transition: background 0.3s;
}

.slider-custom::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--cyan-primary);
    cursor: pointer;
    box-shadow: 0 0 10px var(--cyan-glow);
    border: 2px solid #ffffff;
    transition: transform 0.2s;
}

.slider-custom::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.slider-custom::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--cyan-primary);
    cursor: pointer;
    border: 2px solid #ffffff;
    box-shadow: 0 0 10px var(--cyan-glow);
    transition: transform 0.2s;
}

.slider-custom::-moz-range-thumb:hover {
    transform: scale(1.2);
}

/* Switch de Calibración */
.form-check-switch-container {
    background: var(--cyan-bg);
    border: 1px solid var(--cyan-border);
    border-radius: 12px;
    padding: 14px 18px;
}

.form-check-input {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--cyan-border);
    cursor: pointer;
    width: 2.8em;
    height: 1.4em;
}

.form-check-input:checked {
    background-color: var(--cyan-primary);
    border-color: var(--cyan-primary);
    box-shadow: 0 0 12px var(--cyan-glow);
}

/* HUD Científico de Resultados */
.hud-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 18px 12px;
    text-align: center;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

[data-theme='light'] .hud-box {
    background: rgba(0, 0, 0, 0.02);
}

.hud-box:hover {
    background: var(--cyan-bg);
    border-color: var(--cyan-border);
    transform: translateY(-2px);
}

.hud-value {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 6px;
    font-family: 'Roboto', sans-serif;
}

.hud-value.cyan {
    color: var(--cyan-primary) !important;
    text-shadow: 0 0 15px var(--cyan-glow);
}

.hud-value.green {
    color: var(--green-primary) !important;
    text-shadow: 0 0 15px var(--green-glow);
}

.hud-value.red {
    color: var(--red-primary) !important;
    text-shadow: 0 0 15px var(--red-glow);
}

.hud-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Diagnósticos Dinámicos */
.diag-alert {
    border: 1px solid transparent;
    border-left: 5px solid transparent;
    padding: 18px;
    border-radius: 12px;
    margin-bottom: 16px;
    animation: fadeIn 0.4s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.diag-alert-success {
    background: var(--green-bg);
    border-color: var(--green-border);
    border-left-color: var(--green-primary);
}

.diag-alert-warning {
    background: var(--yellow-bg);
    border-color: var(--yellow-border);
    border-left-color: var(--yellow-primary);
}

.diag-alert-danger {
    background: var(--red-bg);
    border-color: var(--red-border);
    border-left-color: var(--red-primary);
}

.diag-title {
    font-weight: 700;
    margin-bottom: 8px;
    font-size: 0.98rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Nav Tabs de Pestañas */
.nav-tabs-custom {
    border-bottom: 1px solid var(--card-border);
    margin-bottom: 30px;
    gap: 8px;
}

.nav-tabs-custom .nav-link {
    background: transparent;
    border: 1px solid transparent;
    font-weight: 600;
    border-radius: 12px 12px 0 0;
    padding: 12px 24px;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.nav-tabs-custom .nav-link:hover {
    color: var(--cyan-primary) !important;
    background: var(--cyan-bg);
}

.nav-tabs-custom .nav-link.active {
    color: var(--cyan-primary) !important;
    background: var(--cyan-bg) !important;
    border-color: var(--cyan-border) var(--cyan-border) transparent !important;
    box-shadow: 0 -4px 15px rgba(0, 210, 255, 0.05);
}

/* Botón Comparador Premium */
.btn-premium {
    background: linear-gradient(135deg, #0055a4 0%, #00d2ff 100%) !important;
    border: none !important;
    color: #ffffff !important;
    font-weight: 700;
    border-radius: 30px;
    padding: 12px 28px;
    box-shadow: 0 4px 20px rgba(0, 210, 255, 0.4) !important;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 210, 255, 0.6) !important;
}

.btn-premium:active {
    transform: translateY(0);
}

.btn-premium.active {
    background: linear-gradient(135deg, #198754 0%, #2ecc71 100%) !important;
    box-shadow: 0 4px 20px rgba(46, 204, 113, 0.4) !important;
}

.btn-premium.active:hover {
    box-shadow: 0 8px 25px rgba(46, 204, 113, 0.6) !important;
}

/* Lista de Recomendaciones */
.rec-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 15px;
}

@media (max-width: 768px) {
    .rec-list {
        grid-template-columns: 1fr;
    }
}

.rec-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    padding: 16px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.15);
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

[data-theme='light'] .rec-item {
    background: rgba(0, 0, 0, 0.02);
}

.rec-item:hover {
    background: var(--cyan-bg);
    border-color: var(--cyan-border);
}

.rec-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.rec-icon.green {
    color: var(--green-primary);
}

.rec-icon.cyan {
    color: var(--cyan-primary);
}

/* Gráfica y su Contenedor */
.chart-container {
    position: relative;
    width: 100%;
    height: 380px;
}

@media (max-width: 768px) {
    .chart-container {
        height: 280px;
    }
}

/* Bloques de Física LFP */
.physics-card-box {
    background: rgba(0, 0, 0, 0.15) !important; 
    border: 1px solid var(--card-border) !important;
    transition: all 0.3s ease;
}

[data-theme='light'] .physics-card-box {
    background: rgba(0, 0, 0, 0.02) !important; 
    border: 1px solid var(--card-border) !important;
}

.physics-card-box:hover {
    border-color: var(--cyan-border) !important;
    background: var(--cyan-bg) !important;
}

/* Animaciones */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}