/* ==========================================================================
 *  SIVAI - SISTEMA DE DISEÑO RESPONSIVE Y MULTI-BLOQUE
 *  ========================================================================== */

:root {
  /* Paleta Principal y Secundaria */
  --color-primary: #0A3632;
  /* Verde SIVAI Profundo Header/Cards */
  --color-accent: #A0E35D;
  /* Verde Brote / Badges */
  --color-surface-soft: #E8F8CE;
  /* Verde Menta Claro Alerta Segura */
  --color-text-dark: #0A3632;
  /* Verde/Gris Oscuro para Títulos */
  --color-text-body: #303030;
  /* Cuerpo de texto */
  --color-bg-app: #F5F7F5;
  /* Fondo Gris Orgánico */
  --color-white: #FFFFFF;
  --color-bg-subcard: #F8FAF8;
  /* Fondo interno contenedor de predicción */
  --color-inactive: #888888;
  /* Sensores inactivos */

  /* Escala de Alertas Semafóricas */
  --color-alert-red: #D93838;
  /* Alerta Crítica / Helada */
  --color-alert-orange: #E67E22;
  /* Advertencia Media */
  --color-alert-yellow: #F1C40F;
  /* Prevención Baja */

  /* Superficie de alerta: equivalente naranja de --color-surface-soft.
     Mismo rol y misma luminosidad que el verde menta del estado seguro. */
  --color-surface-alert: #F8E2CE;
  --color-alert-text: #7A3E0A;
  /* Texto sobre superficie de alerta (6.65:1) */
  --color-alert-title: #9A4A0A;
  /* Título sobre superficie de alerta (4.99:1) */
  --color-alert-icon: #B3580C;
  /* Escudo sobre superficie de alerta (3.88:1) */

  /* Superficie neutra: estación sin lecturas */
  --color-surface-nodata: #F0F2F0;
  --color-nodata-text: #4A544A;

  /* Tipografías */
  --font-title: 'Anek Latin', -apple-system, sans-serif;
  --font-body: 'Reddit Sans', -apple-system, sans-serif;

  /* Radios de curvatura suaves */
  --radius-card: 16px;
  --radius-badge: 12px;
  --radius-inner: 12px;

  /* Sombras Suaves */
  --shadow-card: 0px 4px 16px rgba(10, 54, 50, 0.06);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-app);
  color: var(--color-text-body);
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

/* Contenedor Principal Ocupa Toda la Pantalla */
.app-container {
  width: 100%;
  min-height: 100vh;
  background-color: var(--color-bg-app);
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: 0;
  box-shadow: none;
  border: none;
}


/* ==========================================================================
 * ESTILOS DE HEADER RESPONSIVE EN 3 COLUMNAS
 * ========================================================================== */

/* Header general en 3 columnas para pantallas grandes */
.app-header {
  display: grid;
  background-color: var(--color-primary);
  color: var(--color-white);
  grid-template-columns: auto 1fr auto; /* 3 Columnas precisas */
  align-items: center;
  gap: 16px;
  padding: 16px 24px;
  width: 100%;
}

.brand-group {
  display: contents; /* Hace que los hijos ocupen col 1 y col 2 */
}

.brand-logo-wrapper {
  grid-column: 1;
  display: flex;
  align-items: center;
}

.brand-logo-img {
  height: 50px;
  width: auto;
  object-fit: contain;
  display: block;
}

.brand-titles {
  grid-column: 2;
  min-width: 0; /* Permite un colapso limpio sin desbordar */
}

.brand-desc {
  font-size: 1rem;
  line-height: 1.15;
  color: rgba(255, 255, 255, 0.9);
  margin-top: 2px;
}

.institution-logo {
  grid-column: 3;
  display: flex;
  flex-direction: row; /* Horizontal en pantallas grandes */
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background-color: var(--color-primary);
  padding: 4px 8px;
  border-radius: 4px;
}

.institution-logo .inst-img {
  height: 28px;
  width: auto;
  object-fit: contain;
}

/* --------------------------------------------------------------------------
 * ADAPTACIÓN PARA PANTALLAS PEQUEÑAS / MÓVILES 
 * -------------------------------------------------------------------------- */
@media (max-width: 600px) {
  .app-header {
    grid-template-columns: auto 1fr auto; /* Conserva las 3 columnas */
    padding: 8px 10px;
    gap: 8px;
  }

  /* 1. Logo SIVAI (Columna 1) */
  .brand-logo-img {
    height: 32px; /* Tamaño compacto para liberar espacio horizontal */
  }

  /* 2. Título Explicativo (Columna 2) */
  .brand-desc {
    font-size: 0.68rem; /* Reducción de fuente para encajar en 360px */
    line-height: 1.1;
  }

  /* 3. Logos Institucionales Apilados (Columna 3) */
  .institution-logo {
    flex-direction: column; /* Apilados verticalmente (uno arriba del otro) */
    gap: 3px;
    padding: 2px 3px;
  }

  .institution-logo .inst-img {
    height: 17px; /* Altura ajustada para que entren verticalmente sin deformar */
    width: auto;
  }
}

/* Layout Responsive Principal (Móvil por defecto: Bloque 1 -> Bloque 2 -> Bloque 3) */
.app-content {
  padding: 20px;
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Títulos de Sección */
.section-header-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.section-icon {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
 *  BLOQUE 1: ESTADO GENERAL Y MÉTRICAS PRINCIPALES
 *  ========================================================================== */
.block-1-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  width: 100%;
}

.station-card {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.station-main {
  display: flex;
  align-items: center;
  gap: 12px;
}

.station-badge-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.station-signal-icon {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
}

.badge-active {
  background-color: var(--color-accent);
  color: var(--color-primary);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-badge);
}

.station-label {
  font-size: 0.7rem;
  opacity: 0.8;
}

.station-name {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
}

.station-time {
  text-align: right;
  font-size: 0.85rem;
}

.update-label {
  opacity: 0.8;
  font-size: 0.7rem;
  display: block;
}

.status-banner {
  background-color: var(--color-surface-soft);
  border: 2px solid #C5EE90;
  border-radius: var(--radius-card);
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.status-shield-icon {
  width: 50px;
  height: 50px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.status-badge-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status-main-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.status-description {
  font-size: 0.88rem;
  color: var(--color-primary);
  opacity: 0.9;
}

.metric-hero-card {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 18px;
  box-shadow: var(--shadow-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.metric-heading {
  font-family: var(--font-title);
  font-size: 1.1rem;
}

.temp-display {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-text-dark);
  line-height: 1;
}

.temp-unit {
  font-size: 1.8rem;
}

.prediction-box {
  background-color: var(--color-bg-subcard);
  border: 1px solid #EAEFEA;
  border-radius: var(--radius-inner);
  padding: 12px 14px;
  text-align: center;
}

.prediction-label {
  font-size: 0.72rem;
  color: #666;
  display: block;
}

.prediction-value {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-dark);
}

.metrics-secondary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.secondary-card {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 16px;
  box-shadow: var(--shadow-card);
}

.metric-title-group {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--color-text-dark);
}

.metric-subheading {
  font-size: 0.85rem;
}

.secondary-value-display {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 600;
  color: var(--color-text-dark);
  line-height: 1;
  margin-top: 8px;
}

.wind-direction {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  margin-left: 8px;
  /* Ocupa espacio hacia la derecha de la unidad */
  color: var(--color-primary);
  /* Mantiene la consistencia de color con el número */
}

.secondary-unit {
  font-size: 1.4rem;
}

.secondary-unit-sm {
  font-size: 1.2rem;
}

/* ==========================================================================
 *  BLOQUE 2: GRÁFICO POLÍGONO DE FRECUENCIA Y PROYECCIÓN
 *  ========================================================================== */
.block-2-container {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.farmer-explanation-box {
  background-color: #EBF7FF;
  border-left: 4px solid #2980B9;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 0.92rem;
  line-height: 1.4;
  color: #1B4F72;
}

.farmer-explanation-box strong {
  font-family: var(--font-title);
  font-size: 0.98rem;
}

.chart-wrapper {
  width: 100%;
  height: 200px;
  position: relative;
}

.svg-chart {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.dot-observed {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #72C02C;
}

.dot-predicted {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #2980B9;
}

.hourly-forecast-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.hourly-card {
  background-color: var(--color-bg-subcard);
  border: 1px solid #EAEFEA;
  border-radius: var(--radius-inner);
  padding: 10px 6px;
  text-align: center;
  min-width: 55px;
}

.hourly-time {
  font-size: 0.7rem;
  font-weight: 700;
  color: #666;
}

.hourly-hour {
  font-size: 0.65rem;
  color: #888;
  margin-bottom: 4px;
}

.hourly-temp {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
}

/* ==========================================================================
 *  BLOQUE 3: DATOS DE SENSORES DEL INVERNADERO (HUMEDAD Y TEMPERATURA)
 *  ========================================================================== */
.block-3-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  width: 100%;
}

.block-full-width {
  grid-column: 1 / -1;
}

.sensor-group-card {
  background-color: var(--color-white);
  border-radius: var(--radius-card);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.sensor-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid #EAEFEA;
}

.sensor-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sensor-main-icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
}

.sensor-group-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
}

.sensor-subtitle {
  font-size: 0.75rem;
  color: #666;
}

.sensor-avg-value {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-primary);
}

.sensor-nodes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.sensor-node-item {
  background-color: var(--color-bg-subcard);
  border: 1px solid #EAEFEA;
  border-radius: var(--radius-inner);
  padding: 10px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.sensor-node-item.inactive {
  opacity: 0.6;
  background-color: #F0F2F0;
}

.node-location {
  font-size: 0.7rem;
  font-weight: 700;
  color: #555;
  margin-bottom: 4px;
}

.node-value {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
}

.node-status {
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--color-inactive);
  margin-top: 2px;
}

.node-status.active {
  color: #27AE60;
}

/* ==========================================================================
 *  FOOTER GLOBAL
 *  ========================================================================== */
.app-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.8rem;
  padding: 12px 20px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: auto;
  /* Empuja el footer al final de la pantalla si hay espacio sobrante */
}

.app-footer svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ==========================================================================
 *  BREAKPOINTS RESPONSIVE (PANTALLAS GRANDES / PC)
 *  ========================================================================== */
@media (min-width: 900px) {
  .app-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
  }

  /* Bloque 1: Arriba a la Izquierda */
  .block-1-grid {
    grid-column: 1;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  /* Bloque 3: Arriba a la Derecha */
  .block-3-container {
    grid-column: 2;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  /* Bloque 2 (Gráfica): Abajo ocupando todo el ancho */
  .block-2-container {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  /* Grilla de sensores internos: Se distribuyen los 6 nodos en 1 sola fila continua */
  .sensor-nodes-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
  }
}

/* ==========================================================================
 *  NUEVOS ESTILOS PARA LA LÓGICA DINÁMICA
 *  ========================================================================== */

/* Ajustes para Chart.js */
.chart-wrapper {
  width: 100%;
  height: 250px; /* Aumentado un poco para mejor visualización del Chart.js */
  position: relative;
  margin-top: 10px;
}

/* Controles de Toggle (Histórico / Predicción) */
.toggle-container {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
  background-color: var(--color-bg-subcard);
  padding: 6px;
  border-radius: var(--radius-inner);
  width: fit-content;
}

.toggle-btn {
  background: transparent;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-inactive);
  cursor: pointer;
  transition: all 0.3s ease;
}

.toggle-btn:hover {
  color: var(--color-primary);
}

.toggle-btn.active {
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Adaptación responsiva para los toggle en pantallas pequeñas */
@media (max-width: 480px) {
  .toggle-container {
    width: 100%;
  }
  .toggle-btn {
    flex: 1;
    text-align: center;
  }
}
/* ==========================================================================
 *  ESTADOS DINÁMICOS: BANNER DE ALERTA, BADGE DE ESTACIÓN Y CONEXIÓN
 *  ========================================================================== */

/* --- C3: fondo Y borde del banner según el nivel de alerta ----------------
 * Ambos estaban hardcodeados en la regla base .status-banner, así que el
 * banner quedaba verde (fondo menta + borde verde) incluso con una alerta
 * activa. Ahora los define el estado, y el estado de alerta usa exactamente
 * el mismo esquema que el estado seguro pero en la escala naranja:
 *
 *   rol              seguro              alerta
 *   ---------------  ------------------  --------------------------
 *   fondo            #E8F8CE (menta)     #F8E2CE (naranja claro)
 *   borde            #C5EE90             #E67E22
 *   título           #0A3632  (11.82:1)  #9A4A0A  (4.99:1)
 *   texto            #0A3632  (11.82:1)  #7A3E0A  (6.65:1)
 *   escudo           #72C02C             #B3580C  (3.88:1)
 *
 * Los colores se definen acá y no en línea desde JS, para que ningún estilo
 * inline pueda volver a dejar un estado sin actualizar (que es la causa raíz
 * del bug original).
 */
.status-banner.status-safe {
  background-color: var(--color-surface-soft);
  border-color: #C5EE90;
}

.status-banner.status-safe .status-main-title,
.status-banner.status-safe .status-badge-title,
.status-banner.status-safe .status-description {
  color: var(--color-primary);
}

.status-banner.status-safe .status-shield-icon {
  color: #72C02C;
}

.status-banner.status-alert {
  background-color: var(--color-surface-alert);
  border-color: var(--color-alert-orange);
}

.status-banner.status-alert .status-main-title {
  color: var(--color-alert-title);
}

.status-banner.status-alert .status-badge-title,
.status-banner.status-alert .status-description {
  color: var(--color-alert-text);
  opacity: 1;
}

.status-banner.status-alert .status-shield-icon {
  color: var(--color-alert-icon);
}

/* Sin datos de la estación: estado neutro, ni seguro ni alerta */
.status-banner.status-nodata {
  background-color: var(--color-surface-nodata);
  border-color: #B9C2B9;
}

.status-banner.status-nodata .status-main-title,
.status-banner.status-nodata .status-badge-title,
.status-banner.status-nodata .status-description {
  color: var(--color-nodata-text);
  opacity: 1;
}

.status-banner.status-nodata .status-shield-icon {
  color: var(--color-nodata-text);
}

/* --- C4: badge de estado de la estación ----------------------------------
 * .badge-active es la píldora base (nombre heredado); el modificador define
 * el color de fondo y de texto de cada estado. */
.badge-active.badge-inactive {
  background-color: var(--color-alert-red);
  color: var(--color-white);
}

.badge-active.badge-nodata {
  background-color: #5A6B5A;
  color: var(--color-white);
}

/* --- C1: antigüedad de la última lectura ---------------------------------
 * Se mantiene en una sola línea para conservar el alto original de la
 * tarjeta de estación; la fecha exacta se consulta en el tooltip. */
#last-update {
  white-space: nowrap;
}

/* Lectura vieja (la estación no reporta): se resalta el dato, no se oculta */
#last-update.reading-stale {
  color: #FFD08A;
}

#last-update.reading-none {
  color: #FFB3B3;
}

/* --- Indicador de conexión / error de API -------------------------------- */
.connection-banner {
  width: 100%;
  padding: 10px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  text-align: center;
  color: #4A3000;
  background-color: var(--color-alert-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
}

.connection-banner[hidden] {
  display: none;
}

.connection-banner.is-offline {
  background-color: #5A6B5A;
  color: var(--color-white);
}

.connection-banner.is-error {
  background-color: var(--color-alert-red);
  color: var(--color-white);
}

.connection-banner.is-loading {
  background-color: var(--color-surface-soft);
  color: var(--color-primary);
}

/* Reduce el parpadeo del indicador en usuarios sensibles al movimiento */
@media (prefers-reduced-motion: reduce) {
  .connection-banner {
    transition: none;
  }
}