/* Cabecera compartida de las páginas de plataforma (Cargar datos · Cuenta).
   Usa los tokens de cada página (--bg, --panel, --ink, --brand…); los que no existen tienen fallback. */
header.top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 0;margin:-24px 0 20px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px)}
@media(max-width:640px){header.top{margin-top:-14px}}
.top .brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);min-height:44px}
.top .logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--brand),#7c5cff);display:grid;place-items:center;color:#fff;box-shadow:0 6px 16px rgba(59,110,245,.35);flex:none}
.top .logo svg{width:20px;height:20px}
.top .brand b{display:block;font-size:16px;font-weight:700;letter-spacing:-.01em;line-height:1.2}
.top .brand small{display:block;font-size:12px;color:var(--muted)}
.top .spacer{flex:1}
.top .segmented{display:inline-flex;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:3px;gap:2px}
.top .segmented a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:9px;color:var(--ink-2);font-size:13px;font-weight:600;text-decoration:none;white-space:nowrap;transition:.15s}
.top .segmented a:hover{color:var(--ink)}
.top .segmented a[aria-current="page"]{background:var(--panel);color:var(--ink);box-shadow:var(--shadow,0 1px 2px rgba(16,24,40,.08))}
[data-theme="dark"] .top .segmented a[aria-current="page"]{background:var(--brand);color:#fff}
.top .hbtn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid var(--line);background:var(--panel);color:var(--ink-2);width:44px;height:44px;padding:0;border-radius:11px;font:inherit;font-size:13px;font-weight:600;cursor:pointer;transition:.15s}
.top .hbtn:hover{border-color:var(--brand);color:var(--brand-ink)}
.top .hbtn svg{width:18px;height:18px}
.top .hbtn:focus-visible,.top .segmented a:focus-visible,.top .brand:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
/* avatar + menú (mismo aspecto que en el panel) */
.umenu{position:relative}
.top .hbtn.avatar{border-radius:50%;background:linear-gradient(135deg,var(--brand),#7c5cff);color:#fff;border-color:transparent;font-weight:800;font-size:13px;letter-spacing:.02em;position:relative}
.top .hbtn.avatar:hover{filter:brightness(1.08);color:#fff}
.top .hbtn.avatar[aria-expanded="true"]{outline:2px solid var(--brand);outline-offset:2px}
.umwarn{position:absolute;top:-3px;right:-3px;width:16px;height:16px;border-radius:50%;background:var(--amber);color:#2a1f10;font-size:10px;font-weight:800;display:grid;place-items:center;font-style:normal;border:2px solid var(--panel)}
.umwarn[hidden],.um-badge[hidden],.umenu[hidden],.umenu-pop[hidden]{display:none!important}
.umenu-pop{position:absolute;right:0;top:calc(100% + 8px);min-width:272px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg,0 12px 40px rgba(16,24,40,.18));padding:6px;z-index:60}
.um-head{padding:10px 12px;border-bottom:1px solid var(--line);margin-bottom:6px;display:flex;flex-direction:column;gap:2px}
.um-head b{font-size:13.5px;color:var(--ink)}.um-head span{font-size:12px;color:var(--muted);word-break:break-all}
.um-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;white-space:nowrap;border-radius:9px;border:none;background:none;color:var(--ink-2);font:inherit;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none;text-align:left;min-height:44px}
.um-item svg{width:16px;height:16px;flex:none;color:var(--muted)}
.um-item:hover,.um-item:focus-visible{background:var(--panel-2);color:var(--ink);outline:none}
.um-item:focus-visible{box-shadow:inset 0 0 0 2px var(--brand)}
.um-item[aria-current="page"]{color:var(--ink)}.um-item[aria-current="page"] svg{color:var(--brand)}
.um-sep{height:1px;background:var(--line);margin:6px 4px}
.um-version{font-weight:500;color:var(--muted)}.um-version b{font-family:var(--mono);font-weight:700;color:var(--ink-2)}
.um-stage{font-style:normal;font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:1px 6px;border-radius:999px;background:var(--amber-bg);color:var(--amber-ink);vertical-align:1px}
.um-stage[hidden]{display:none}
.um-danger{color:var(--high)}.um-danger svg{color:var(--high)}.um-danger:hover{background:var(--high-bg);color:var(--high)}
.um-badge{margin-left:auto;white-space:nowrap;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--amber-ink,var(--amber));background:var(--amber-bg);padding:2px 7px;border-radius:999px}
@media(max-width:640px){
  header.top{gap:10px;padding-bottom:10px;margin-bottom:16px}
  .top .brand small{display:none}
  .top .segmented{order:10;width:100%;display:flex}
  .top .segmented a{flex:1;padding:0 8px}
}
@media print{header.top{display:none}}