/* css/style.css */
:root {
    --primary-color: #0056b3;
    /* Un azul corporativo más oscuro */
    --secondary-color: #f8f9fa;
    /* Un gris muy claro para fondos */
    --dark-color: #212529;
    /* Negro suave para texto y fondos oscuros */
    --accent-color: #ffc107;
    /* Amarillo/naranja para detalles y llamadas a la acción */
    --light-color: #ffffff;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--dark-color);
    padding-top: 80px;
    /* Espacio para el navbar fijo */
}

/* --- Navbar --- */
.navbar {
    transition: background-color 0.3s ease-in-out;
}

.navbar-brand .logo-circle {
    width: 48px;
    height: 48px;

    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border: 2px solid var(--accent-color);

    display: flex;
    align-items: center;
    justify-content: center;

    overflow: hidden;
}

.navbar-brand .logo-circle img {
    width: 70%;
    height: 70%;
    object-fit: contain;
}

@media (max-width: 768px) {
    .navbar-brand .logo-circle {
        width: 40px;
        height: 40px;
    }
}

.navbar-brand img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
}


.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
    transition: color 0.2s;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
    color: var(--light-color);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    background: linear-gradient(rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0.65)), url('../fotoPortada.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--light-color);
    text-align: center;
    padding: 10rem 0;
    min-height: 100vh;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    /* oscurece */
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero .logo-circle {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    width: 150px;
    height: 150px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--accent-color);
    overflow: hidden;
    /* Asegura que la imagen no se desborde */
}

.hero .logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* Hace que la imagen cubra el área del círculo */
}

.hero .main-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 4.5rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero .subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-top: 0.5rem;
}

/* --- Sections --- */
.section-title {
    margin-bottom: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.service-card,
.project-card {
    border: none;
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--light-color);
}

.service-card:hover,
.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 86, 179, 0.2);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.project-card img {
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

/* --- Footer --- */
.footer {
    background-color: var(--dark-color);
    color: var(--secondary-color);
}

.footer h5 {
    color: var(--accent-color);
    font-weight: 700;
}

.footer a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color 0.2s;
}

.footer p {
    font-size: 0.95rem;
    line-height: 1.6;
}

.footer a:hover {
    color: var(--accent-color);
}

.footer .social-icons a {
    font-size: 1.5rem;
    margin-right: 1rem;
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    font-size: 0.85rem;
    color: #aaa;
}

/* --- Estilos para Páginas de Analizadores --- */

/* Información del Equipo */
.equipment-info {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d82 100%);
    color: var(--light-color);
    padding: 2rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.equipment-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.equipment-details {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.equipment-details span {
    color: var(--accent-color);
    font-weight: 700;
}

/* Controles */
.controles {
    background-color: var(--secondary-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: end;
}

.controles>div {
    flex: 1;
    min-width: 200px;
}

.controles label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
    display: block;
}

.controles input[type="file"],
.controles input[type="datetime-local"] {
    width: 100%;
    padding: 0.5rem;
    border: 2px solid #dee2e6;
    border-radius: 0.375rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s;
}

.controles input[type="file"]:focus,
.controles input[type="datetime-local"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 86, 179, 0.25);
}

.controles button {
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    border-radius: 0.375rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.controles button:not(.btn-primary) {
    background-color: var(--accent-color);
    color: var(--dark-color);
}

.controles button:not(.btn-primary):hover {
    background-color: #e0a800;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}

.controles .btn-primary {
    background-color: var(--primary-color);
    color: var(--light-color);
}

.controles .btn-primary:hover {
    background-color: #003d82;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 86, 179, 0.4);
}

/* Gráficos */
.graficos {
    margin-bottom: 2rem;
}

.grafico-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.grafico-container {
    flex: 1;
    min-width: 300px;
    min-height: 480px;
    background-color: var(--light-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.grafico-container:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.grafico-container canvas {
    max-width: 100%;
    min-height: 420px !important;
    height: 420px !important;
    flex: 1;
    cursor: pointer;
    transition: opacity 0.2s;
}

.grafico-container canvas:hover {
    opacity: 0.85;
}

/* Modal Graph Styling */
#graphModal .modal-dialog {
    max-width: 95%;
}

#graphModal .modal-body {
    height: 80vh;
    padding: 1.5rem;
}

#modalCanvas {
    width: 100% !important;
    height: 100% !important;
}

/* Tablas */
.table-container {
    background-color: var(--light-color);
    border-radius: 0.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow-x: auto;
    margin-bottom: 2rem;
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.table-container thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d82 100%);
    color: var(--light-color);
}

.table-container th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.table-container td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #dee2e6;
    font-size: 0.9rem;
}

.table-container tbody tr:hover {
    background-color: rgba(0, 86, 179, 0.05);
}

.table-container tbody tr:last-child td {
    border-bottom: none;
}

/* Loading Spinner */
#loadingMessage {
    display: none;
    text-align: center;
    padding: 3rem;
    background-color: var(--secondary-color);
    border-radius: 0.5rem;
    margin: 2rem 0;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    border: 5px solid var(--secondary-color);
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

#loadingMessage p {
    color: var(--dark-color);
    font-weight: 600;
    font-size: 1.1rem;
}

/* Estilos para páginas de cálculo de corriente */
.card {
    border: none;
    border-radius: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #003d82 100%);
    color: var(--light-color);
    border-radius: 0.5rem 0.5rem 0 0 !important;
    padding: 1.5rem;
}

.card-header h2 {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
}

.formula {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 0.375rem;
    text-align: center;
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }

    .equipment-title {
        font-size: 1.2rem;
    }

    .equipment-details {
        font-size: 1rem;
    }

    .controles {
        flex-direction: column;
    }

    .controles>div {
        width: 100%;
    }

    .grafico-row {
        flex-direction: column;
    }

    .grafico-container {
        min-width: 100%;
    }
}