/* =========================
   Tokens & base (paleta oceanográfica)
   ========================= */
   :root{
    /* Paleta */
    --c-bg: #eaf3f8;           /* Fondo muy claro azulado (mar/cielo) */
    --c-surface: #ffffff;      /* Superficie limpia para tarjetas/paneles */
    --c-text: #0b2847;         /* Azul petróleo profundo para texto principal */
    --c-muted: #58728a;        /* Azul grisáceo para secundarios */
    --c-primary: #0a5ea8;      /* Azul océano (principal) */
    --c-primary-600: #0f7cc6;  /* Azul más vivo para hover/activos */
    --c-border: #d2e1ee;       /* Borde sutil azulado */
    --c-danger: #d64545;       /* Rojo coral moderado */
  
    /* Dimensiones */
    --nav-h: 56px;
  
    /* UI */
    --r-md: 12px;
    --r-lg: 16px;
    --sh-md: 0 4px 20px rgba(11, 40, 71, .12); /* sombra con tinte del texto */
  
    /* Tipografía */
    --ff: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans";
    --fs-200: clamp(.9rem, .85rem + .2vw, 1rem);
    --fs-300: clamp(1rem, .95rem + .3vw, 1.1rem);
    --fs-700: clamp(1.6rem, 1.2rem + 1.5vw, 2rem);
  }
  
  @media (prefers-color-scheme: dark){
    :root{
      --c-bg:#0c1826;          /* Azul noche */
      --c-surface:#0f2236;     /* Superficie oscura con leve tinte azul */
      --c-text:#e6f1fa;        /* Texto claro */
      --c-muted:#9bb3c8;       /* Secundario claro */
      --c-primary:#6fb6ff;     /* Azul claro para destacar en oscuro */
      --c-primary-600:#9cd0ff; /* Hover/activo en oscuro */
      --c-border:#213d55;      /* Borde en oscuro */
      --c-danger:#ff6b6b;      /* Coral para errores */
    }
  }
  
  /* Reset mínimo */
  *, *::before, *::after { box-sizing: border-box; }
  html, body { height: 100%; }
  body{
    margin: 0;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: var(--ff);
    font-size: var(--fs-300);
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  
  #app{
    min-height: 100%;
    display: flex;
    flex-direction: column;
  }
  
  /* =========================
     Utilidades
     ========================= */
  .u-hidden{ display:none !important; }
  .u-block{ display:block !important; }
  .u-nowrap{ white-space: nowrap; }
  [hidden]{ display: none !important; }
  
  /* =========================
     Login
     ========================= */
  #login{ background: var(--c-bg); }
  .login-card{
    background: var(--c-surface);
    border-radius: var(--r-md);
    box-shadow: var(--sh-md);
  }
  .login-card h2{
    font-size: var(--fs-700);
    color: var(--c-primary);
    margin: 0 0 .75rem;
  }
  #login-error{
    color: var(--c-danger);
    font-size: var(--fs-200);
  }
  
  /* Botón primario (armoniza con Bootstrap) */
  .btn-primary{
    background-color: var(--c-primary);
    border-color: var(--c-primary);
  }
  .btn-primary:hover{
    background-color: var(--c-primary-600);
    border-color: var(--c-primary-600);
  }
  
  /* =========================
     Navbar
     ========================= */
  .navbar{ height: var(--nav-h); }
  .navbar .navbar-brand{ color: var(--c-primary); }
  .navbar .nav-link.active{
    color: var(--c-primary-600) !important;
    font-weight: 600;
  }
  
  /* =========================
     Contenido App
     ========================= */
  #contenido{ background: var(--c-bg); }
  
  /* =========================
     HOME: mapa izquierda + tabla derecha
     ========================= */
  #home{
    display: flex;
    height: calc(100dvh - var(--nav-h));
    min-height: calc(100vh - var(--nav-h));
  }
  
  #home.seccion{
    margin-top: 0 !important;
    padding: 0 !important;
  }
  
  /* Columna izquierda (contenedor del mapa) */
  #mapa{
    position: relative;
    flex: 1 1 50%;
    min-width: 50%;
    height: 100%;
    overflow: hidden;
  }
  
  /* El mapa rellena todo su contenedor */
  #map{
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }
  
  /* Columna derecha (panel/tabla)
     — antes era #f6f9ff; ahora usamos un tinte a partir de variables */
  #panel-datos{
    flex: 1 1 50%;
    min-width: 50%;
    overflow-y: auto;
    background: color-mix(in oklab, var(--c-surface) 96%, var(--c-primary) 4%);
    border-left: 1px solid var(--c-border);
    padding: 1rem;
  }
  
  #panel-datos .table thead th{
    border-bottom-color: var(--c-border);
    color: var(--c-muted);
    font-weight: 600;
  }
  
  /* =========================
     Leaflet
     ========================= */
  .leaflet-container{ width: 100%; height: 100%; background: transparent; }
  .leaflet-pane, .leaflet-control { z-index: 400 !important; }
  
  /* =========================
     Sección Datos (tab “Datos”)
     ========================= */
  #datos.seccion{
    padding: 20px;
    margin-top: 0;
  }
  
  /* =========================
     Responsive
     ========================= */
  @media (max-width: 992px){
    #home{
      flex-direction: column;
      height: auto;
      min-height: calc(100vh - var(--nav-h));
    }
    #mapa{
      min-width: 100%;
      height: 50vh;
    }
    #panel-datos{
      min-width: 100%;
      height: auto;
    }
  }
  
  @media (max-width: 576px){
    .login-card{ padding: 1.25rem !important; }
  }
  
  @media (prefers-reduced-motion: reduce){
    *{
      animation-duration:.01ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.01ms !important;
      scroll-behavior:auto !important;
    }
  }
  
  /* ===== Resumen overlay sobre el mapa ===== */
  #resumen-oceanografico.resumen-overlay{
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 600;
    pointer-events: auto;
  }
  
  #resumen-oceanografico .resumen-inner{
    backdrop-filter: blur(6px);
    background: color-mix(in oklab, var(--c-surface) 92%, transparent);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    box-shadow: 0 6px 24px rgba(11, 40, 71, .18);
    padding: 10px 12px;
  }
  
  #resumen-oceanografico .resumen-header{
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; margin-bottom: 8px;
  }
  
  #resumen-oceanografico .resumen-actions{
    display: flex; align-items: center; gap: 10px;
  }
  
  #resumen-oceanografico .resumen-grid{
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }
  
  #resumen-oceanografico .res-card{
    background: color-mix(in oklab, var(--c-surface) 78%, var(--c-bg) 22%);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 8px 10px;
  }
  
  @media (prefers-color-scheme: dark){
    #resumen-oceanografico .res-card{
      background: color-mix(in oklab, var(--c-surface) 70%, transparent);
    }
  }
  
  #resumen-oceanografico .res-title{
    font-size: .85rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 2px;
  }
  #resumen-oceanografico .res-main{
    font-size: 1.25rem;
    font-weight: 800;
  }
  #resumen-oceanografico .res-main small{ font-weight: 600; color: var(--c-muted); }
  #resumen-oceanografico .res-sub{ color: var(--c-muted); font-size: .9rem; }
  
  #resumen-oceanografico .wind-dir .arrow{
    display: inline-block; transition: transform .2s ease;
  }
  
  #resumen-oceanografico.collapsed .resumen-grid{ display: none; }
  #resumen-oceanografico.collapsed .resumen-inner{ padding-bottom: 8px; }
  
  /* Responsive: en pantallas estrechas, 2 columnas */
  @media (max-width: 768px){
    #resumen-oceanografico .resumen-grid{
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }
  }
  
  .navbar-brand img {
    max-height: 40px;
    width: auto;
  }
  
  /* Overlay "Última adquisición" sobre el mapa */
  #resumen-ultima-overlay{
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1100;
    background: color-mix(in oklab, var(--c-surface) 92%, transparent);
    backdrop-filter: blur(2px);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    box-shadow: 0 4px 14px rgba(11, 40, 71, .15);
    padding: 8px 12px;
    min-width: 220px;
  }
  
  #resumen-ultima-overlay .label{
    font-size: 12px;
    color: var(--c-muted);
    margin-bottom: 2px;
    display: block;
  }
  #resumen-ultima-overlay .value{
    font-weight: 700;
    font-size: 14px;
    color: var(--c-text);
    line-height: 1.15;
  }
  
  /* modo oscuro */
  @media (prefers-color-scheme: dark){
    #resumen-ultima-overlay{
      background: color-mix(in oklab, var(--c-surface) 86%, transparent);
      border-color: var(--c-border);
    }
    #resumen-ultima-overlay .label{ color: var(--c-muted); }
    #resumen-ultima-overlay .value{ color: var(--c-text); }
  }