/* ==========================================================================
   Netproyectos — base.css (común)
   - Tokens
   - Reset & tipografía
   - Layout: container, header topbar, nav
   - Componentes: botones, tarjetas, listas, formularios
   - Cookie banner
   - Helpers, responsive, dark mode
   ========================================================================== */

/* ----------------------------- Tokens ----------------------------------- */
:root{
  /* Base UI */
  --bg: #eeeee4;              /* marfil */
  --surface: #FFFDF7;
  --panel: #FFFFFF;
  --border: #E5E7EB;
  --text: #0B1220;
  --muted: #51607A;

  /* Accento */
  --primary: #2563EB;
  --primary-600: #1D4ED8;

  /* Topbar (independiente del resto) */
  --topbar-bg: #ffffff;
  --topbar-border: #e5e7eb;
  --topbar-text: #1f2937;
  --topbar-link: #475569;
  --topbar-link-hover-bg: #eef2f7;
  --topbar-link-hover: #111827;

  /* Misc */
  --radius: 12px;
  --shadow-1: 0 2px 10px rgba(2, 6, 23, .05);
  --shadow-2: 0 10px 24px rgba(2, 6, 23, .08);

  --container: 1120px;
  --gutter: 24px;
}

/* --------------------------- Reset & base -------------------------------- */
*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img{ max-width: 100%; height: auto; border-radius: 8px; }
a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }
p{ margin: .75rem 0; color: var(--muted); line-height: 1.7; }
h1,h2,h3{ margin: 0 0 .5rem; line-height: 1.2; letter-spacing: -0.01em; color: var(--text); }
h1{ font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; }
h2{ font-size: clamp(1.35rem, 2.2vw, 1.85rem); font-weight: 800; }
h3{ font-size: clamp(1.05rem, 1.6vw, 1.25rem); font-weight: 700; }

/* Accesibilidad */
:where(a,button,input,textarea,select):focus-visible{
  outline: 3px solid color-mix(in oklab, var(--primary), #fff 10%);
  outline-offset: 2px; border-radius: 8px;
}

/* Helpers */
.mt-0{ margin-top:0 !important; }
.mt-4{ margin-top:1.5rem !important; }
.mb-3{ margin-bottom:1rem !important; }
[hidden], .is-hidden{ display:none !important; } /* p.ej. cookie banner */

/* Layout */
.container{
  width: min(100% - var(--gutter)*2, var(--container));
  margin-inline: auto;
}
main.container{ padding: 32px 0; }

/* ----------------------------- Header ----------------------------------- */
.topbar, .site-header{
  position: sticky; top: 0; z-index: 40;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--topbar-border);
  backdrop-filter: saturate(1.1) blur(4px);
}
.topbar .container, .site-header .container{
  height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand, .logo{
  display: inline-flex; gap: 6px; align-items: baseline;
  font-weight: 900; letter-spacing: .2px; color: var(--topbar-text);
}
.brand .sub, .logo span{ color: var(--primary); }

/* Nav simple */
.simple-nav ul{
  list-style: none; display: flex; gap: 12px; margin: 0; padding: 0;
}
.simple-nav a{
  display: inline-block; padding: .5rem .75rem; border-radius: 8px;
  color: var(--topbar-link); text-decoration: none;
}
.simple-nav a:hover,
.simple-nav a:focus-visible{
  background: var(--topbar-link-hover-bg);
  color: var(--topbar-link-hover);
  text-decoration: none;
}

/* Variante opcional por página */
.topbar--dark{
  --topbar-bg: #0C1324;
  --topbar-border: #1F2A44;
  --topbar-text: #E6EDF6;
  --topbar-link: #B6C3DD;
  --topbar-link-hover-bg: rgba(255,255,255,.08);
  --topbar-link-hover: #FFFFFF;
}

/* ------------------------------ Botones --------------------------------- */
.btn{
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 14px; border-radius: 10px;
  border: 1px solid transparent; font-weight: 700; cursor: pointer;
  transition: transform .05s ease, background-color .15s ease, border-color .15s ease, filter .2s ease, box-shadow .2s ease;
  box-shadow: var(--shadow-1);
}
.btn:active{ transform: translateY(1px); }
.btn-primary, .btn.primary{ background: var(--primary); color: #fff; }
.btn-primary:hover, .btn.primary:hover{ background: var(--primary-600); text-decoration: none; }
.btn-secondary, .btn.secondary{ background: var(--surface); color: var(--text); border-color: var(--border); box-shadow: none; }
.btn-secondary:hover, .btn.secondary:hover{ border-color: var(--primary); color: var(--primary); text-decoration: none; }

/* ------------------------------ Secciones -------------------------------- */
.hero{ padding: clamp(32px, 6vw, 56px) 0; }
.hero p{ font-size: clamp(1rem, 1.3vw, 1.125rem); }
.hero .actions{ display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
section + section{ margin-top: 28px; }

/* ------------------------------ Grids ----------------------------------- */
.grid{
  display: grid; gap: 14px; margin-top: 12px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.grid.cols-2{ grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid.cols-3{ grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.cols-4{ grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

/* ------------------------------ Tarjetas -------------------------------- */
.card{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 14px;
  box-shadow: var(--shadow-1);
  transition: border-color .15s ease, transform .05s ease, box-shadow .15s ease;
}
.card:hover{
  border-color: color-mix(in oklab, var(--primary), var(--border) 60%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}
.card p{ margin-top: .35rem; }

/* ------------------------------ Listas ---------------------------------- 
.list{ list-style: none; padding: 0; margin: 1rem 0; }
.list li{
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px; padding: .9rem 1rem; margin: .6rem 0;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.list li:hover{
  border-color: color-mix(in oklab, var(--primary), var(--border) 60%);
  box-shadow: var(--shadow-2);
}
*/
.list{ 
  list-style: none; 
  padding: 0; 
  margin: 1rem 0; 
}
.muted{ color: var(--muted); font-size: .95rem; }
/* ----------------------------- Formularios ------------------------------ */
input, textarea, select{
  width: 100%; padding: .7rem .8rem; border-radius: 10px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
}
input:focus, textarea:focus, select:focus{
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--primary), #fff 80%);
}

/* ------------------------------ Footer ---------------------------------- */
.site-footer{
  border-top: 1px solid var(--border);
  margin-top: 40px; padding: 24px 0;
  background: var(--surface);
  color: var(--muted);
}
.site-footer .legal-links{
  list-style: none; display: flex; gap: 12px; flex-wrap: wrap; margin: 8px 0 0; padding: 0;
}
.site-footer .legal-links a{ color: inherit; }
.site-footer .legal-links a:hover{ color: var(--text); text-decoration: underline; }

/* ------------------------ Cookie banner (común) ------------------------ */
.cookie-banner{
  position: fixed; left: 12px; right: 12px; bottom: 12px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 14px; box-shadow: var(--shadow-2);
  z-index: 999;
}
.cookie-banner p{ margin: 0; color: var(--muted); }
.cookie-actions{ display: flex; gap: 8px; flex-wrap: wrap; }
@media (min-width: 960px){
  .cookie-banner{ left: 50%; right: auto; transform: translateX(-50%); width: min(720px, 96%); }
}

/* --------------------------- Responsive tweaks -------------------------- */
@media (max-width: 640px){
  .simple-nav ul{ gap: 6px; }
  .simple-nav a{ padding: .4rem .55rem; }
  .btn{ width: 100%; }
}

/* ------------------------------ Dark mode ------------------------------- */
@media (prefers-color-scheme: dark){
  :root{
    --bg: #d3d5db;
    --surface: #0F172A;
    --panel: #0C1324;
    --border: #1F2A44;
    --text: #52502a;
    --muted: #A5B4CF;

    --primary: #3B82F6;
    --primary-600: #2563EB;

    --shadow-1: 0 2px 10px rgba(0,0,0,.35);
    --shadow-2: 0 8px 32px rgba(0,0,0,.45);

    /* Topbar oscuro independiente */
    --topbar-bg: rgba(165, 167, 172, 0.92);
    --topbar-border: #1F2A44;
    --topbar-text: #16202c;
    --topbar-link: #1e283d;
    --topbar-link-hover-bg: rgba(70, 31, 31, 0.06);
    --topbar-link-hover: #e08383;
  }

  body{ background: var(--bg); }
  .prose pre, .prose code{
    background: #0B1220; border: 1px solid var(--border); color: var(--text);
  }
}

/* =======================================================================
   Dropdown “Módulos” (hover, vertical, sin JS)
   ======================================================================= */
.nav-dropdown{ position: relative; }

/* Toggle (link "Módulos") */
.simple-nav .dropdown-toggle{
  display:inline-flex; align-items:center; gap:6px;
  padding:.5rem .75rem; border-radius:8px;
  color:var(--topbar-link); text-decoration:none;
}
.simple-nav .dropdown-toggle:hover,
.simple-nav .dropdown-toggle:focus-visible,
.simple-nav .nav-dropdown:hover > .dropdown-toggle{
  background: var(--topbar-link-hover-bg);
  color: var(--topbar-link-hover);
  text-decoration: none;
}

/* caret */
.simple-nav .caret{
  width:0; height:0;
  border-left:5px solid transparent; border-right:5px solid transparent;
  border-top:6px solid currentColor; transform: translateY(1px);
}

/* Panel: visible al hover del <li> o focus dentro. Sin “gap” vertical */
.simple-nav .dropdown-menu{
  position:absolute; left:0; top:100%;
  display:block; opacity:0; pointer-events:none; transform: translateY(6px);
  min-width:320px; z-index:99;
  background: var(--topbar-bg); /* valor por defecto, se sobrescribe abajo */
  border:1px solid var(--topbar-border);
  border-radius:10px; padding:6px;
  box-shadow: var(--shadow-2);
  transition: opacity .15s ease, transform .15s ease;
  will-change: opacity, transform;
}

/* “Puente” invisible para evitar cierre accidental al mover el ratón */
.nav-dropdown::after{
  content:""; position:absolute; left:0; right:0; top:100%;
  height:12px; /* zona invisible entre botón y panel */
}

/* Abrir en hover o con foco dentro del panel */
.simple-nav .nav-dropdown:hover .dropdown-menu,
.simple-nav .nav-dropdown:focus-within .dropdown-menu{
  opacity:1; pointer-events:auto; transform: translateY(0);
}

.simple-nav .dropdown-menu li{ list-style:none; }

/* === [EDITAR 1/2] Tokens locales dropdown ============================= */
.simple-nav{
  /* Fondo del panel y borde */
  --dd-bg: #ffffff;           /* panel del dropdown */
  --dd-border: var(--topbar-border);

  /* Colores de texto */
  --dd-text: #0b0d0f;         /* slate-700 */
  --dd-hover-text: #111827;   /* slate-900 */

  /* Fondo en hover del item (FIJO) */
  --dd-hover-bg: #435da7;     /* azul suave fijo */
}

/* Aplicación de tokens locales */
.simple-nav .dropdown-menu{
  background: var(--dd-bg);
  border-color: var(--dd-border);
}
.simple-nav .dropdown-menu a{
  color: var(--dd-text);
}

/* Ítems uniformes */
.simple-nav .dropdown-menu a{
  display:flex; align-items:center; gap:10px;
  padding:10px 12px; border-radius:8px;
  min-height:48px; text-decoration:none;
}

/* === [EDITAR 2/2] Hover fijo del item ================================== */
.simple-nav .dropdown-menu a:hover,
.simple-nav .dropdown-menu a:focus-visible{
  background: var(--dd-hover-bg) !important;
  color: var(--dd-hover-text) !important;
  text-decoration:none;
}

/* Icono 20x20 */
.simple-nav .dropdown-menu .icon{
  flex:0 0 20px; width:20px; height:20px;
  display:inline-flex; align-items:center; justify-content:center;
}
.simple-nav .dropdown-menu .icon svg{
  width:20px; height:20px; stroke:currentColor; fill:none; stroke-width:2;
}

/* Etiquetas */
.simple-nav .dropdown-menu .label{ display:flex; flex-direction:column; line-height:1.15; }
.simple-nav .dropdown-menu .label .title{ font-weight:700; font-size:14px; color:inherit; }
.simple-nav .dropdown-menu .label .sub{ font-size:12px; color:var(--muted); }

/* Responsive */
@media (max-width: 640px){
  .simple-nav .dropdown-menu{ min-width:260px; }
}