.md3-bell-overlay{z-index:19000;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);opacity:0;visibility:hidden;background:#00000073;transition:opacity .2s,visibility .2s;position:fixed;inset:0}.md3-bell-overlay.show{opacity:1;visibility:visible}.md3-bell-overlay[hidden]{display:none}.md3-bell-popup{z-index:19001;background:var(--md-surface,#fff);border:1px solid var(--md-outline-variant,#e5e7eb);opacity:0;visibility:hidden;border-radius:16px;flex-direction:column;width:min(860px,100vw - 24px);max-height:min(80dvh,100dvh - 48px);transition:opacity .2s,transform .2s,visibility .2s;display:flex;position:fixed;top:50%;left:50%;overflow:hidden;transform:translate(-50%,-50%)scale(.96);box-shadow:0 20px 60px #0000002e}.md3-bell-popup.show{opacity:1;visibility:visible;transform:translate(-50%,-50%)scale(1)}.md3-bell-popup[hidden]{display:none}.md3-bell-popup-header{border-bottom:1px solid var(--md-outline-variant,#e5e7eb);color:var(--md-on-surface,#111827);flex-shrink:0;justify-content:space-between;align-items:center;padding:12px 14px;font-size:13px;font-weight:600;display:flex}.md3-bell-header-actions{align-items:center;gap:6px;display:flex}.md3-bell-readall{color:var(--md-on-surface-variant,#6b7280);cursor:pointer;background:0 0;border:0;padding:2px 4px;font-size:12px}.md3-bell-readall:hover{color:#111827}.md3-bell-close{color:var(--md-on-surface-variant,#6b7280);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;width:26px;height:26px;font-size:13px;transition:all .15s;display:grid}.md3-bell-close:hover{background:var(--md-surface-2,#f3f4f6);color:var(--md-on-surface,#111827)}.dark .md3-bell-close:hover{color:#fff;background:#ffffff1a}.md3-bell-popup-list{scrollbar-width:thin;scrollbar-color:var(--md-outline-variant,#d1d5db) transparent;flex:1;min-height:0;padding:18px 18px 10px;overflow-y:auto}.md3-bell-card{border:1px solid var(--md-outline-variant,#e5e7eb);background:var(--md-surface-2,#fafbfc);border-radius:14px;margin-bottom:16px;padding:16px}.md3-bell-card:last-child{margin-bottom:6px}.md3-bell-card-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.md3-bell-card-title{color:var(--md-on-surface,#111827);align-items:center;gap:6px;margin-bottom:4px;font-size:14px;font-weight:600;display:flex}.md3-bell-card-desc{color:var(--md-on-surface-variant,#6b7280);font-size:12px}.md3-bell-toolbar{flex-wrap:wrap;gap:8px;display:flex}.md3-bell-tool{border:1px solid var(--md-outline-variant,#e5e7eb);background:var(--md-surface,#fff);color:var(--md-on-surface,#111827);cursor:pointer;border-radius:999px;align-items:center;gap:4px;padding:6px 12px;font-family:inherit;font-size:12px;font-weight:500;transition:all .15s;display:inline-flex}.md3-bell-tool:hover{background:var(--md-surface-2,#f3f4f6)}.md3-bell-item{border:1px solid var(--md-outline-variant,#e5e7eb);background:var(--md-surface,#fff);cursor:pointer;border-radius:12px;align-items:flex-start;gap:14px;margin-bottom:10px;padding:14px;transition:border-color .15s,background .15s;display:flex}.md3-bell-item:last-child{margin-bottom:0}.md3-bell-item:hover{border-color:var(--md-outline,#9ca3af);background:var(--md-surface-2,#f9fafb)}.md3-bell-item.unread{background:var(--md-surface-2,#f9fafb);border-color:var(--md-outline,#9ca3af)}.md3-bell-item-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;display:flex}.md3-bell-item-icon-plain{flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:28px;display:flex}.md3-bell-item-body{flex:1;min-width:0}.md3-bell-item-title{color:var(--md-on-surface,#111827);align-items:center;gap:6px;font-size:13px;font-weight:600;display:flex}.md3-bell-item-content{color:var(--md-on-surface-variant,#6b7280);word-break:break-word;margin-top:3px;font-size:12px;line-height:1.5}.md3-bell-item-meta{text-align:right;flex-direction:column;flex-shrink:0;align-items:flex-end;gap:6px;display:flex}.md3-bell-item-meta>div:first-child{color:var(--md-on-surface-variant,#9ca3af);font-size:11px}.md3-bell-dot{background:#111827;border-radius:50%;flex-shrink:0;width:7px;height:7px;display:inline-block}.dark .md3-bell-dot{background:#f0f0f0}.md3-bell-read-tag{color:var(--md-on-surface-variant,#9ca3af);white-space:nowrap;align-items:center;gap:4px;font-size:11px;display:inline-flex}.md3-bell-btn-read{color:#111827;cursor:pointer;white-space:nowrap;background:0 0;border:1px solid #111827;border-radius:999px;padding:3px 12px;font-family:inherit;font-size:11px;transition:all .15s}.md3-bell-btn-read:hover{color:#fff;background:#111827}.dark .md3-bell-btn-read{color:#f0f0f0;border-color:#f0f0f0}.dark .md3-bell-btn-read:hover{color:#111;background:#f0f0f0}.md3-bell-ann-item{border:1px solid var(--md-outline-variant,#e5e7eb);background:var(--md-surface,#fff);cursor:pointer;border-radius:12px;align-items:flex-start;gap:14px;margin-bottom:10px;padding:14px;transition:border-color .15s,background .15s;display:flex}.md3-bell-ann-item:last-child{margin-bottom:0}.md3-bell-ann-item:hover{border-color:var(--md-outline,#9ca3af);background:var(--md-surface-2,#f9fafb)}.md3-bell-ann-icon{color:#fff;background:#f59e0b;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:18px;display:flex}.md3-bell-ann-body{flex:1;min-width:0}.md3-bell-ann-title{color:var(--md-on-surface,#111827);align-items:center;gap:6px;margin-bottom:4px;font-size:14px;font-weight:600;line-height:1.4;display:flex}.md3-bell-ann-content{color:var(--md-on-surface-variant,#6b7280);-webkit-line-clamp:2;word-break:break-word;-webkit-box-orient:vertical;font-size:13px;line-height:1.55;display:-webkit-box;overflow:hidden}.md3-bell-empty{text-align:center;color:var(--md-on-surface-variant,#9ca3af);padding:28px 14px;font-size:12px}.md3-bell-error{text-align:center;color:#ef4444;padding:28px 14px;font-size:12px}.dark .md3-bell-popup{background:#2d2d2d;border-color:#4a4a4a}.dark .md3-bell-card{background:#333;border-color:#4a4a4a}.dark .md3-bell-item{background:#2d2d2d;border-color:#4a4a4a}.dark .md3-bell-item:hover{background:#333}.dark .md3-bell-ann-item{background:#2d2d2d;border-color:#4a4a4a}.dark .md3-bell-ann-item:hover{background:#333}.dark .md3-bell-tool{color:#f0f0f0;background:#2d2d2d;border-color:#4a4a4a}.dark .md3-bell-tool:hover{background:#3a3a3a}