:root {
    --color-verde-oscuro: #2e7d32;
    --color-verde-medio: #4caf50;
    --color-verde-claro: #c8e6c9;
    --color-blanco: #ffffff;
    --color-fondo: #f5f5f5;
    --color-texto: #333333;
    --sidebar-expanded-width: 250px;
    --sidebar-mobile-width: 250px;
    --header-height: 60px;
    --sidebar-collapsed-width: 60px;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Poppins', sans-serif; /* Poppins para el layout general */
    background-color: var(--color-fondo);
    color: var(--color-texto);
    overflow-x: hidden;
}
.gauge-svg {
    transform: rotate(-90deg);
    transition: stroke-dashoffset 0.5s ease-in-out;
}

/* === Estilos para el indicador de conexión (Dashboard - gauges.html) === */
#connection-status {
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: white;
    z-index: 1002;
}
.connected {
    background-color: #4CAF50;
}
.disconnected {
    background-color: #F44336;
}

/* Estilos para métricas (copiados de metricas.html) */
.wifi-symbol {
    width: 80px;
    height: 80px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    transform: rotate(-45deg);
}
.wifi-circle {
    width: 12px;
    height: 12px;
    background-color: currentColor;
    border-radius: 50%;
    position: absolute;
    bottom: 0;
    left: calc(50% - 6px);
    animation: pulse 2s infinite;
}
.wifi-band {
    width: 100%;
    height: 100%;
    border: 6px solid;
    border-radius: 50%;
    position: absolute;
    border-color: currentColor transparent transparent transparent;
    transition: opacity 0.5s ease-in-out;
}
.wifi-band.band-1 {
    width: 30px;
    height: 30px;
}
.wifi-band.band-2 {
    width: 55px;
    height: 55px;
}
.wifi-band.band-3 {
    width: 80px;
    height: 80px;
}
.signal-off {
    opacity: 0.15;
}
.signal-on {
    opacity: 1;
}
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 255, 255, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
    }
}
.battery-loader {
    width: 160px;
    height: 80px;
    border: 4px solid var(--color-verde-oscuro);
    border-right-color: transparent;
    padding: 6px;
    background: repeating-linear-gradient(90deg, var(--color-verde-medio) 0 20px, #0000 0 30px) left/0% 100% no-repeat content-box content-box;
    position: relative;
    transition: background-size 1s ease-in-out;
}
.battery-loader::before {
    content: "";
    position: absolute;
    top: -4px;
    bottom: -4px;
    left: 100%;
    width: 20px;
    background: linear-gradient(#0000 calc(50% - 14px), var(--color-verde-medio) 0 calc(50% - 10px), #0000 0 calc(50% + 10px), var(--color-verde-medio) 0 calc(50% + 14px), #0000 0) left /100% 100%, linear-gradient(var(--color-verde-medio) calc(50% - 10px), #0000 0 calc(50% + 10px), var(--color-verde-medio) 0) left /4px 100%, linear-gradient(#0000 calc(50% - 10px), var(--color-verde-medio) 0 calc(50% + 10px), #0000 0) right/4px 100%;
    background-repeat: no-repeat;
}

.view {
    display: none;
}
.view.active {
    display: block;
}

/* Estilos para el mapa */
#map-container {
    background-color: #f5f5f5;
    height: 70vh;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 0.5rem;
    overflow: hidden;
}
@media (min-width: 700px) {
    #map-container {
        width: 704px;
        height: 400px;
        max-width: none;
    }
}
#map.leaflet-container .leaflet-control-attribution,
#map.leaflet-container .leaflet-control-zoom {
    display: none !important;
}
.loader {
    width: 44.8px;
    height: 44.8px;
    position: relative;
    transform: rotate(45deg);
}
.loader:before,
.loader:after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50% 50% 0 50%;
    background: #0000;
    background-image: radial-gradient(circle 11.2px at 50% 50%, #0000 94%, #4caf50);
}
.loader:after {
    animation: pulse-ytk0dhmd 1s infinite;
    transform: perspective(336px) translateZ(0px);
}
@keyframes pulse-ytk0dhmd {
    to {
        transform: perspective(336px) translateZ(168px);
        opacity: 0;
    }
}
.leaflet-popup-content-wrapper {
    background-color: #ffffff;
    border-radius: 8px;
}
.leaflet-popup-content {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    color: #333333;
}

/* Overlay para móviles */
.overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
.overlay.active {
    display: block;
    opacity: 1;
}

.app-container {
    display: grid;
    grid-template-columns: 0 1fr;
    grid-template-rows: auto 1fr;
    grid-template-areas:
        "sidebar header"
        "sidebar main";
    min-height: 100vh;
    transition: grid-template-columns 0.3s ease-in-out;
}
@media (min-width: 769px) {
    .app-container {
        grid-template-columns: var(--sidebar-collapsed-width) 1fr;
    }
    .app-container.sidebar-expanded {
        grid-template-columns: var(--sidebar-expanded-width) 1fr;
    }
}

.header {
    grid-area: header;
    background-color: var(--color-verde-oscuro);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    height: var(--header-height);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 1001;
}
.header .menu-toggle-mobile {
    display: block;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    margin-right: 1rem;
}
@media (min-width: 769px) {
    .header .menu-toggle-mobile {
        display: none;
    }
}

.sidebar {
    grid-area: sidebar;
    background-color: var(--color-blanco);
    padding: 1rem 0;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    width: 0;
    min-width: 0;
    transition: width 0.3s ease-in-out;
}
@media (min-width: 769px) {
    .sidebar {
        position: relative;
        width: var(--sidebar-collapsed-width);
        min-width: var(--sidebar-collapsed-width);
        height: 100%;
        transition: width 0.3s ease-in-out;
    }
    .app-container.sidebar-expanded .sidebar {
        width: var(--sidebar-expanded-width);
    }
}
.app-container.sidebar-open .sidebar {
     width: var(--sidebar-mobile-width);
}
.sidebar:hover {
    overflow-y: auto;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
    overflow-y: hidden;
}
.sidebar:hover .sidebar-menu {
    overflow-y: auto;
}
.sidebar-menu::-webkit-scrollbar {
    width: 0.5rem;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0 1rem;
    min-height: 40px;
    transition: justify-content 0.3s ease-in-out;
}
.sidebar.expanded .sidebar-header {
    justify-content: flex-end;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--color-texto);
    font-size: 1.5rem;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
    padding: 0.5rem;
}
.sidebar.expanded .toggle-btn {
    transform: rotate(180deg);
}
@media (max-width: 768px) {
    .toggle-btn {
        display: none;
    }
}

.logo {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    margin-bottom: 1rem;
    height: 90px;
}
.logo img {
    width: 40px;
    height: 30px;
    transition: all 0.3s ease-in-out;
}
.sidebar.expanded .logo img {
    width: 80px;
    height: 80px;
}

.user-info {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 1rem;
    border-top: 1px solid var(--color-verde-claro);
    padding-top: 1rem;
}
.user-info .user-id {
    font-weight: 600;
    color: var(--color-texto);
}
.user-info .user-role {
    font-size: 0.8em;
    color: var(--color-texto);
    margin-top: 0.25rem;
}
.sidebar.expanded .user-info {
    display: flex;
}

.menu-item a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--color-texto);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    transition: background-color 0.2s ease-in-out;
    margin-bottom: 0.5rem;
    border-radius: 8px;
}
.menu-item a:hover {
    background-color: var(--color-verde-claro);
}
.menu-item .icon {
    min-width: 28px;
    font-size: 1.25rem;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-verde-medio);
}
.menu-item .text {
    display: none;
    opacity: 0;
    transition: opacity 0.2s ease-in-out, margin-left 0.2s ease-in-out;
    font-weight: 500;
    margin-left: 0;
}
.sidebar.expanded .menu-item .text {
    display: inline-block;
    opacity: 1;
    margin-left: 1rem;
}
.sidebar.expanded .menu-item a {
     justify-content: flex-start;
}
.logout {
    margin-top: auto;
}

.main-content {
    grid-area: main;
    padding: 1.5rem;
    overflow-y: auto;
    background-color: var(--color-fondo);
    transition: padding-left 0.3s ease-in-out;
    font-family: 'Inter', sans-serif;
}
@media (min-width: 769px) {
    .app-container.sidebar-expanded .main-content {
        padding-left: 2rem;
    }
}
@media (min-width: 769px) and (max-width: 1024px) {
    .main-content {
        padding: 1rem;
    }
}
@media (min-width: 1025px) {
    .main-content {
        padding: 2rem;
    }
}

/* === Estilos específicos para la vista de Datos (datos3.html) === */
.graficos-tab-container {
    width: 100%;
    max-width: 900px;
    background-color: var(--color-blanco);
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    padding: 15px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: 'Montserrat', sans-serif;
}
.tab-header {
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-verde-oscuro);
    font-size: 1.5em;
    font-weight: 600;
    width: 100%;
    word-wrap: break-word;
}
/* Selector de nodo */
.nodo-selector {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.nodo-option {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9em;
}
.nodo-option input[type="radio"] {
    accent-color: var(--color-verde-medio);
    width: 18px;
    height: 18px;
}
/* Selector de fecha */
.historico-selector {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 24px;
    gap: 10px;
    flex-wrap: wrap;
}
.historico-selector button {
    background-color: var(--color-verde-claro);
    color: var(--color-verde-oscuro);
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
    cursor: pointer;
    font-family: 'Montserrat', sans-serif;
}
.historico-selector button:hover {
    background-color: var(--color-verde-medio);
    color: var(--color-blanco);
}
.historico-selector input[type="date"] {
    font-family: 'Montserrat', sans-serif;
    border: 1px solid var(--color-verde-claro);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    min-width: 150px;
}
/* Gráficos */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    width: 100%;
}
@media (min-width: 768px) {
    .charts-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .tab-header {
        font-size: 2em;
    }
    .graficos-tab-container {
        padding: 30px;
    }
}
.chart-card {
    background-color: var(--color-fondo);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    min-width: 0;
    width: 100%;
}
.chart-card h3 {
    margin-top: 0;
    font-size: 1.1em;
    color: var(--color-verde-medio);
    font-family: 'Montserrat', sans-serif;
    word-wrap: break-word;
}
.chart-container {
    position: relative;
    padding-top: 50%;
    height: 0;
    width: 100%;
    overflow: hidden;
}
.chart-container canvas {
    position: absolute !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
}
/* Estado de conexión/error en Datos */
.status {
    text-align: center;
    padding: 14px;
    font-style: italic;
    color: var(--color-verde-medio);
    font-family: 'Montserrat', sans-serif;
    width: 100%;
}
.status.error {
    color: #e53935;
    font-weight: 600;
}

/* Estilos específicos para la vista de Configuración */
.config-container {
    width: 100%;
    max-width: 500px;
    background-color: var(--color-blanco);
    border-radius: 12px;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    margin: 0 auto;
}
.config-header {
    text-align: center;
    margin-bottom: 20px;
    color: var(--color-verde-oscuro);
    font-size: 2em;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}
.config-section {
    background-color: var(--color-fondo);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
}
.config-section h2 {
    color: var(--color-verde-medio);
    font-size: 1.5em;
    margin-bottom: 15px;
    font-family: 'Montserrat', sans-serif;
}
.slider-container {
    margin-bottom: 15px;
}
.slider-container label {
    display: block;
    margin-bottom: 5px;
    font-family: 'Montserrat', sans-serif;
}
.slider-container input[type="range"] {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    background: var(--color-verde-claro);
    border-radius: 5px;
    outline: none;
}
.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-verde-oscuro);
    cursor: pointer;
}
.slider-container input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--color-verde-oscuro);
    cursor: pointer;
}
.save-btn {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: var(--color-verde-oscuro);
    color: var(--color-blanco);
    border: none;
    border-radius: 5px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: 'Montserrat', sans-serif;
}
.save-btn:hover {
    background-color: var(--color-verde-medio);
}

/* Estilos para el popup de alerta */
.alert-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}
.alert-modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: none;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    text-align: center;
    position: relative;
    animation: modalAppear 0.3s ease-out;
}
@keyframes modalAppear {
    from { opacity: 0; transform: translateY(-50px); }
    to { opacity: 1; transform: translateY(0); }
}
.alert-modal-header {
    background-color: #ef4444;
    color: white;
    padding: 15px;
    border-radius: 12px 12px 0 0;
    margin: -20px -20px 15px -20px;
}
.alert-modal-header h2 {
    margin: 0;
    font-size: 1.5em;
}
.alert-modal-body {
    margin-bottom: 20px;
}
.alert-modal-footer {
    display: flex;
    justify-content: center;
    gap: 10px;
}
.alert-modal-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.2s;
}
.alert-modal-btn-emergency {
    background-color: #ef4444;
    color: white;
}
.alert-modal-btn-emergency:hover {
    background-color: #dc2626;
}
.alert-modal-btn-close {
    background-color: #d1d5db;
    color: #374151;
}
.alert-modal-btn-close:hover {
    background-color: #9ca3af;
}