@charset "utf-8";
/* ===========================================================
   Historia EGV — hoja de estilos del estándar de páginas EGV
   (contenedor 1400px, interruptor oscuro/claro, ayuda flotante,
   scrollbar oculta + flechas, tablas). Ver .claude/skills/estandar-paginas-egv.
   =========================================================== */

:root{
  --bg:#0b0f19;
  --bg-alt:#0e1320;
  --surface:#141a29;
  --surface-2:#1c2436;
  --border:#2a3348;
  --text:#e7eaf3;
  --text-muted:#9aa4bd;
  --text-faint:#6b7590;
  --primary:#6f6bf0;
  --primary-2:#22d3ee;
  --primary-grad:linear-gradient(135deg,#6f6bf0 0%,#22d3ee 100%);
  --gold:#d9a441;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 10px 30px -10px rgba(0,0,0,.5);
  --header-h:64px;
}
:root[data-theme="light"]{
  --bg:#f7f4ee;
  --bg-alt:#efe9dd;
  --surface:#ffffff;
  --surface-2:#f1ece1;
  --border:#ddd3bd;
  --text:#241f14;
  --text-muted:#5c5342;
  --text-faint:#8a806c;
  --shadow:0 10px 30px -12px rgba(60,45,10,.25);
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f7f4ee; --bg-alt:#efe9dd; --surface:#ffffff; --surface-2:#f1ece1;
    --border:#ddd3bd; --text:#241f14; --text-muted:#5c5342; --text-faint:#8a806c;
    --shadow:0 10px 30px -12px rgba(60,45,10,.25);
  }
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
html,body{max-width:100%;overflow-x:hidden;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .2s ease,color .2s ease;
}
body.menu-open{overflow:hidden;}
a{color:inherit;text-decoration:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
.muted{color:var(--text-muted);}

.container{max-width:1400px;margin:0 auto;padding:0 20px;}
@media (min-width:900px){ .container{padding:0 40px;} }

/* ---------------- Header + menú lateral (chrome común a todas las páginas) ---------------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  height:var(--header-h);
}
.site-header .container{height:100%;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--primary-grad);
  display:flex;align-items:center;justify-content:center;color:#0a0d16;font-weight:900;font-size:16px;
  flex:none;
}
.header-actions{display:flex;align-items:center;gap:10px;}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:700;border:1px solid var(--border);white-space:nowrap;}
.btn-ghost{color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);}
.btn-sm{padding:7px 13px;font-size:13px;}

.theme-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex:none;
}
.theme-toggle:hover{border-color:var(--primary);}

.menu-toggle{width:38px;height:38px;border-radius:9px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex:none;}
.menu-toggle .bars{width:16px;display:flex;flex-direction:column;gap:3px;}
.menu-toggle .bars span{height:2px;background:var(--text);border-radius:2px;}
.menu-toggle:hover{border-color:var(--primary);}

.overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:210;}
.overlay.show{opacity:1;pointer-events:auto;}

.side-menu{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,320px);
  background:var(--surface);border-left:1px solid var(--border);
  transform:translateX(100%);transition:transform .25s ease;z-index:220;
  display:flex;flex-direction:column;overflow-y:auto;
}
.side-menu.open{transform:translateX(0);}
.side-menu-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);font-weight:700;}
.close-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;}
.side-menu nav{padding:10px 12px;display:flex;flex-direction:column;}
.side-menu nav a{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:9px;font-weight:600;color:var(--text-muted);}
.side-menu nav a:hover{background:var(--surface-2);color:var(--text);}
.side-menu nav a.active{background:var(--surface-2);color:var(--text);}
.side-menu nav a .ico{width:20px;text-align:center;flex:none;}
.side-menu-foot{padding:16px 20px;border-top:1px solid var(--border);margin-top:auto;}
.btn-primary{background:var(--primary-grad);color:#0a0d16;}
.btn-block{width:100%;justify-content:center;}

/* ---------------- Hero / secciones genéricas ---------------- */
.hero{padding:56px 0 40px;border-bottom:1px solid var(--border);}
.hero h1{font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.15;margin-bottom:14px;}
.hero .lead{color:var(--text-muted);font-size:17px;max-width:680px;overflow-wrap:anywhere;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--surface-2);border:1px solid var(--border);font-size:12.5px;font-weight:700;color:var(--text-muted);margin-bottom:14px;}

.block{padding:44px 0;}
.section-head{margin-bottom:26px;max-width:720px;}
.section-head h2{font-size:clamp(22px,3.4vw,30px);font-weight:800;margin:6px 0 10px;}
.section-head p{color:var(--text-muted);}

.grid{display:grid;gap:18px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-5{grid-template-columns:repeat(5,1fr);}
@media (max-width:980px){ .grid-3{grid-template-columns:repeat(2,1fr);} .grid-5{grid-template-columns:repeat(3,1fr);} }
@media (max-width:640px){ .grid-3,.grid-5{grid-template-columns:1fr;} }

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;min-width:0;}
.card:hover{border-color:var(--primary);}
.card .icon{width:40px;height:40px;border-radius:10px;background:var(--primary-grad);display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:12px;}
.card h3{font-size:16px;margin-bottom:6px;}
.card p{color:var(--text-muted);font-size:14px;overflow-wrap:anywhere;}

.era-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 10px;text-align:center;font-weight:700;font-size:13.5px;min-width:0;}
.era-card:hover{border-color:var(--gold);color:var(--gold);}

/* ---------------- Contenido / prosa (páginas de historia) ---------------- */
.content-wrap{display:grid;grid-template-columns:260px minmax(0,1fr);gap:32px;padding:32px 0 56px;align-items:start;}
@media (max-width:980px){ .content-wrap{grid-template-columns:1fr;} }

.prose{min-width:0;overflow-wrap:anywhere;}
.prose h1{font-size:clamp(24px,4vw,32px);font-weight:800;margin-bottom:16px;}
.prose h2{font-size:20px;font-weight:800;margin:26px 0 12px;}
.prose h3{font-size:17px;font-weight:700;margin:20px 0 10px;}
.prose p{margin:0 0 14px;color:var(--text);}
.prose ul,.prose ol{margin:0 0 16px;padding-left:22px;list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin-bottom:6px;}
.prose a{color:var(--primary-2);text-decoration:underline;text-underline-offset:2px;}
.prose a:hover{color:var(--primary);}
.prose img{border-radius:var(--radius-sm);margin:6px 0;}
.prose figure{margin:18px 0;}
.prose figure img{margin:0 auto;}
.prose figcaption{text-align:center;font-size:13px;color:var(--text-muted);margin-top:8px;}
.prose table{border-collapse:collapse;max-width:100%;}
/* Tablas con bgcolor heredado del diseño clásico (2005-2010): son siempre tonos
   pastel claros fijos, no cambian con el tema. El texto/enlaces sí heredaban
   var(--text)/var(--primary-2), ilegibles en modo oscuro (texto claro sobre
   fondo claro). Se fuerza un color oscuro fijo solo donde hay bgcolor. */
.prose table [bgcolor],
.prose table tr[bgcolor] td{color:#1a1a1a;}
.prose table [bgcolor] a,
.prose table tr[bgcolor] td a{color:#0b3d91;}
.prose table [bgcolor] a:hover,
.prose table tr[bgcolor] td a:hover{color:#072a66;}
.prose hr{border:none;border-top:1px solid var(--border);margin:24px 0;}
@media (max-width:640px){
  .prose img[align]{float:none !important;margin:0 auto 14px;}
}

/* Guarda anti-desbordamiento genérica: cualquier tabla residual del contenido
   original queda contenida con scroll horizontal propio, sin estirarla. */
.table-scroll{overflow-x:auto;margin:18px 0;-webkit-overflow-scrolling:touch;}
.table-scroll table{max-width:100%;border-collapse:collapse;}

/* Escala anidada (sustituye las tablas con colspan decreciente del diseño
   clásico, que en HTML moderno se renderizaban descuadradas/"escalonadas").
   Cada barra más estrecha que la anterior, alineadas a la izquierda. */
.nest-scale{max-width:80%;margin:0 auto 18px;display:flex;flex-direction:column;gap:2px;}
.nest-row{padding:8px 14px;border-radius:3px;color:#1a1a1a;}
.nest-row a{color:#0b3d91;}

/* Tablas de datos reales (varias columnas): alineadas a la izquierda, min 80% de pantalla */
.table-scroll.is-data table{min-width:80vw;max-width:1360px;}
.table-scroll.is-data th,.table-scroll.is-data td{text-align:left;padding:9px 14px;border-bottom:1px solid var(--border);}
.table-scroll.is-data th{background:var(--surface-2);font-weight:700;}

/* Navegación de siglos (barra de eras + cronología lateral) */
.era-nav{display:flex;flex-wrap:wrap;gap:8px;padding:16px 0;border-bottom:1px solid var(--border);margin-bottom:24px;}
.era-nav a{padding:7px 13px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:13px;font-weight:700;color:var(--text-muted);white-space:nowrap;}
.era-nav a:hover,.era-nav a.active{border-color:var(--gold);color:var(--gold);}

.timeline-side{position:sticky;top:calc(var(--header-h) + 20px);}
.timeline-side h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);margin-bottom:10px;}
.timeline-side ul{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto;padding-right:4px;}
.timeline-side a{display:block;padding:6px 10px;border-radius:8px;font-size:13.5px;color:var(--text-muted);}
.timeline-side a:hover{background:var(--surface-2);color:var(--text);}
.timeline-side a.active{background:var(--surface-2);color:var(--gold);font-weight:700;}
.timeline-side .divider{padding:8px 10px 4px;font-size:11px;font-weight:800;letter-spacing:.05em;color:var(--text-faint);}
.timeline-mobile{display:none;margin-bottom:20px;}
.timeline-mobile summary{cursor:pointer;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-weight:700;font-size:14px;}
.timeline-mobile[open] summary{border-radius:var(--radius-sm) var(--radius-sm) 0 0;}
.timeline-mobile .tm-inner{border:1px solid var(--border);border-top:none;border-radius:0 0 var(--radius-sm) var(--radius-sm);padding:10px;max-height:50vh;overflow-y:auto;background:var(--surface);}
.timeline-mobile a{display:block;padding:7px 10px;border-radius:7px;font-size:13.5px;color:var(--text-muted);}
.timeline-mobile a.active{color:var(--gold);font-weight:700;}
@media (max-width:980px){
  .timeline-side{display:none;}
  .timeline-mobile{display:block;}
}

.century-pager{display:flex;justify-content:space-between;gap:10px;margin-bottom:22px;}
.century-pager a{flex:1;padding:11px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);font-size:13.5px;font-weight:700;color:var(--text-muted);}
.century-pager a:hover{border-color:var(--gold);color:var(--gold);}
.century-pager a.next{text-align:right;}
.century-pager .ph{flex:1;visibility:hidden;}

.updated-note{margin-top:30px;padding-top:16px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-faint);}

/* ---------------- Footer ---------------- */
footer{border-top:1px solid var(--border);padding:44px 0 26px;background:var(--bg-alt);margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:24px;margin-bottom:26px;}
@media (max-width:980px){ .foot-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .foot-grid{grid-template-columns:1fr;} }
.foot-grid h4{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);margin-bottom:12px;}
.foot-grid ul{display:flex;flex-direction:column;gap:8px;}
.foot-grid ul li a{color:var(--text-muted);font-size:14px;}
.foot-grid ul li a:hover{color:var(--primary-2);}
.foot-bottom{padding-top:20px;border-top:1px solid var(--border);font-size:13px;color:var(--text-faint);display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;}
.foot-bottom a{color:var(--text-faint);}
.foot-bottom a:hover{color:var(--primary-2);}

/* ---------------- Ayuda flotante (icono "?" por página) ---------------- */
.help-fab{
  position:fixed;top:78px;right:20px;z-index:180;
  width:42px;height:42px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;
  cursor:pointer;box-shadow:var(--shadow);
  transition:border-color .15s ease,color .15s ease,background .15s ease;
}
.help-fab:hover{border-color:var(--primary);color:var(--primary-2);}
.help-fab[aria-expanded="true"]{border-color:var(--primary);color:var(--primary-2);background:var(--surface);}

.help-panel{
  position:fixed;top:126px;right:20px;z-index:190;
  width:min(88vw,340px);max-height:min(70vh,520px);overflow-y:auto;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px 22px;
  opacity:0;pointer-events:none;transform:translateY(-8px);
  transition:opacity .18s ease,transform .18s ease;
}
.help-panel.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.help-panel h4{font-size:15.5px;font-weight:800;margin:0 0 8px;padding-right:20px;}
.help-panel p{font-size:13.5px;color:var(--text-muted);margin:0 0 10px;}
.help-panel ul{margin:0 0 12px 18px;padding:0;color:var(--text-muted);font-size:13px;list-style:disc;}
.help-panel ul li{margin-bottom:5px;}
.help-panel .help-links{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.help-panel .help-links a{font-size:13px;font-weight:700;color:var(--primary-2);}
.help-panel .help-links a:hover{text-decoration:underline;}
.help-panel-close{
  position:absolute;top:14px;right:14px;width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;color:var(--text-faint);font-size:13px;cursor:pointer;
}
.help-panel-close:hover{color:var(--text);}

/* ---------------- Sin scrollbar nativa + flechas flotantes subir/bajar ---------------- */
html.no-native-scroll,
html.no-native-scroll body{scrollbar-width:none;}
html.no-native-scroll::-webkit-scrollbar,
html.no-native-scroll body::-webkit-scrollbar{display:none;}

.page-scroll-nav{position:fixed;right:20px;bottom:24px;z-index:180;display:flex;flex-direction:column;gap:10px;}
.page-scroll-btn{
  width:44px;height:44px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--border);color:var(--text);
  display:flex;align-items:center;justify-content:center;font-size:15px;
  cursor:pointer;box-shadow:var(--shadow);
  transition:border-color .15s ease,color .15s ease,opacity .2s ease;
}
.page-scroll-btn:hover{border-color:var(--primary);color:var(--primary-2);}
.page-scroll-btn.is-disabled{opacity:.35;pointer-events:none;}