/* Estructura: barra superior con el menú (escritorio), barra inferior (móvil) y cuenta. */
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:40;background:var(--surface);border-bottom:1px solid var(--line)}
.topin{max-width:1240px;margin:0 auto;display:flex;align-items:center;gap:12px;min-height:64px;
  padding:6px max(var(--gut),env(safe-area-inset-right,0px)) 6px max(var(--gut),env(safe-area-inset-left,0px))}
.brand{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none;color:inherit}
.brand img{width:36px;height:40px;flex:none}
.brand b{display:block;font-family:var(--f-display);font-size:28px;line-height:.95;letter-spacing:.02em;text-transform:uppercase}
.brand small{display:block;color:var(--muted);font-size:12px;letter-spacing:.04em;white-space:nowrap}
.spacer{flex:1}
.iconbtn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center}
.iconbtn:hover{background:var(--surface-2)}
#topj{text-transform:uppercase;letter-spacing:.04em;padding:7px 14px;font-size:13px;font-weight:800}

.topnav{display:none}
.topnav a,.tabbar a{display:flex;align-items:center;text-decoration:none;font-weight:600;color:var(--muted)}
.topnav a{gap:8px;padding:10px 12px;border-radius:12px;color:var(--ink);white-space:nowrap}
.topnav a:hover{background:var(--surface-2)}
.topnav a[aria-current="page"],.tabbar a[aria-current="page"]{color:var(--brand);background:var(--brand-soft)}

.shell{max-width:1240px;margin:0 auto;min-height:100vh;padding-inline:max(var(--gut),env(safe-area-inset-left,0px)) max(var(--gut),env(safe-area-inset-right,0px))}
.main{min-width:0;padding-block:16px 112px}
.backbar{position:sticky;top:calc(env(safe-area-inset-top,0px) + 65px);z-index:35;display:flex;align-items:center;gap:12px;flex-wrap:wrap;background:var(--bg);padding:8px 0;margin-bottom:6px}

.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--surface);border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(5,1fr);padding:6px max(8px,env(safe-area-inset-left,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-right,0px))}
.tabbar a{flex-direction:column;gap:2px;padding:6px 2px;border-radius:12px;font-size:10.5px}
.tabbar a svg.i{width:22px;height:22px}

.acct{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:4px 12px 4px 4px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:700}
.acct:hover{background:var(--surface-2)}
.acct svg.i{width:16px;height:16px;color:var(--muted)}
.av{width:34px;height:34px;border-radius:50%;object-fit:cover;background:linear-gradient(135deg,#2A5FE0,var(--hero-a));color:#fff;display:grid;place-items:center;font-family:var(--f-display);font-size:19px;font-weight:800;flex:none}
.av.lg{width:96px;height:96px;font-size:48px;border-radius:20px}
.acct-n{max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.menuwrap{position:relative}
.menu{position:absolute;right:0;top:calc(100% + 8px);min-width:240px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;z-index:75;display:grid;gap:2px}
.menu .mh{padding:8px 12px 10px;border-bottom:1px solid var(--line);margin-bottom:4px}
.menu button{display:flex;align-items:center;gap:10px;padding:10px 12px;border:0;background:none;border-radius:10px;text-align:left;font-weight:600;min-height:44px;width:100%}
.menu button:hover{background:var(--surface-2)}

@media (min-width:900px){
  .topnav{display:flex;gap:2px;margin-left:14px}
  .tabbar{display:none}
  .main{padding-block:24px 60px}
}
@media (min-width:900px) and (max-width:1179px){.topnav a{padding:10px 9px;gap:6px}.acct-n{display:none}.acct{padding:4px 10px 4px 4px}}
@media (max-width:1099px){#topj{display:none}}
@media (max-width:639px){.acct-n{display:none}.acct{padding:4px 10px 4px 4px}}