/* BASE — Centro de avisos (campana). F1: solo lectura + «Ir». Tokens del tema; panel OPACO
   (--win-pop, regla de popovers de SIMA); sin pills: el conteo es texto, no cápsula rellena. */
#sima-panel .sima-bell {
    position: relative; display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 30px; margin: 0 2px; padding: 0; border: 0; border-radius: 8px;
    background: transparent; color: var(--text-muted); cursor: pointer; font-size: 1rem;
}
#sima-panel .sima-bell:hover, #sima-panel .sima-bell[aria-expanded="true"] { color: var(--text-main); background: rgba(var(--accent-rgb), .10); }
#sima-panel .sima-bell:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
#sima-panel .sima-bell-count {
    position: absolute; top: 1px; right: 0; min-width: 15px; padding: 0 3px;
    font-size: .62rem; font-weight: 700; line-height: 15px; text-align: center;
    color: var(--danger); background: var(--win-pop, var(--panel-bg)); border-radius: 4px;
}
#sima-panel .sima-bell-count[hidden] { display: none; }

#sima-panel .sima-bell-panel {
    position: fixed; z-index: 99990; overflow-y: auto;
    background: var(--win-pop, var(--panel-bg)); color: var(--win-text, var(--text-main));
    border: 1px solid var(--win-border, var(--glass-border)); border-radius: 12px;
    box-shadow: 0 14px 40px rgba(0, 0, 0, .45); font-size: .82rem;
}
#sima-panel .sima-bell-head {
    position: sticky; top: 0; display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
    padding: 10px 14px; background: var(--win-pop, var(--panel-bg)); border-bottom: 1px solid var(--win-border, var(--glass-border));
}
#sima-panel .sima-bell-head span { color: var(--win-muted, var(--text-muted)); font-size: .74rem; }
#sima-panel .sima-bell-empty { padding: 18px 14px; color: var(--win-muted, var(--text-muted)); }
#sima-panel .sima-bell-group { padding: 8px 0 4px; border-bottom: 1px solid var(--win-border, var(--glass-border)); }
#sima-panel .sima-bell-group:last-child { border-bottom: 0; }
#sima-panel .sima-bell-gh {
    display: flex; align-items: center; gap: 6px; padding: 2px 14px 6px;
    font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--matrix-color, var(--accent));
}
#sima-panel .sima-bell-gh > span { color: var(--win-muted, var(--text-muted)); font-weight: 400; }
#sima-panel .sima-bell-go {
    margin-left: auto; padding: 3px 8px; border: 1px solid var(--win-border, var(--glass-border)); border-radius: 7px;
    background: transparent; color: var(--win-text, var(--text-main)); font: inherit; font-size: .72rem; text-transform: none; letter-spacing: 0; cursor: pointer;
}
#sima-panel .sima-bell-go:hover { background: rgba(var(--accent-rgb), .12); }
#sima-panel .sima-bell-item { padding: 5px 14px; }
#sima-panel .sima-bell-it { color: var(--win-text, var(--text-main)); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#sima-panel .sima-bell-is {
    color: var(--win-muted, var(--text-muted)); font-size: .72rem; margin-top: 1px;
    display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
#sima-panel .sima-bell-more { padding: 2px 14px 6px; color: var(--win-muted, var(--text-muted)); font-size: .72rem; }
/* F2: acciones por aviso, leídos atenuados (24 h) */
#sima-panel .sima-bell-row { display: flex; align-items: flex-start; gap: 8px; }
#sima-panel .sima-bell-txt { flex: 1; min-width: 0; }
#sima-panel .sima-bell-acts { display: flex; gap: 4px; flex-shrink: 0; }
#sima-panel .sima-bell-item.is-read { opacity: .55; }
#sima-panel .sima-bell-head .sima-bell-go { margin-left: 8px; }