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.date-filter{display:none}.bubble{max-width:92%}}@media(max-width:820px){.sidebar{position:fixed;inset:0 auto 0 0;z-index:40;width:min(320px,86vw);transform:translate(-102%);transition:transform .16s ease;box-shadow:0 0 32px #00000040}.sidebar.open{transform:translate(0)}.sidebar-toggle{display:grid}}.login-card{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:420px;width:min(420px,calc(100vw - 48px));padding:40px 32px;border:1px solid var(--border);border-radius:16px;background:var(--panel);box-shadow:var(--shadow);text-align:center}.login-card h1{margin:0;font-size:26px}.login-google{min-height:44px;display:flex;justify-content:center}.login-divider{color:var(--muted);font-size:13px}.login-local{border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--text);padding:9px 16px}.login-local:hover{border-color:var(--accent);color:var(--accent)}.login-hint{margin:0;color:var(--muted);font-size:12.5px}.sidebar-login{margin:10px 12px 4px}.account-bar{display:flex;align-items:center;gap:10px;padding:10px 12px;border-top:1px solid var(--border)}.account-bar.floating{position:fixed;top:14px;right:14px;z-index:30;border:1px solid var(--border);border-radius:12px;background:var(--panel);box-shadow:var(--shadow)}.account-avatar{width:32px;height:32px;border-radius:50%;flex:none;object-fit:cover}.account-avatar-fallback{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;flex:none;background:var(--accent-soft);color:var(--accent);font-weight:700}.account-info{flex:1;min-width:0;display:flex;flex-direction:column;text-align:left}.account-name{font-weight:600;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.account-email{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.drop-backup{margin:18px auto 0;width:min(420px,90%)}.sidebar-backup{padding:10px 12px 0}.backup-toggle{display:flex;align-items:flex-start;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none;padding:10px 12px;border:1px solid var(--border);border-radius:12px;background:var(--panel);transition:border-color .15s ease,background .15s ease}.backup-toggle:hover{border-color:var(--accent)}.backup-toggle.compact{padding:8px 10px;border-radius:10px}.backup-toggle input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}.backup-toggle-track{flex:none;position:relative;width:38px;height:22px;margin-top:1px;border-radius:999px;background:var(--border);transition:background .15s ease}.backup-toggle-thumb{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 2px #00000040;transition:transform .15s ease}.backup-toggle input:checked~.backup-toggle-track{background:var(--accent)}.backup-toggle input:checked~.backup-toggle-track .backup-toggle-thumb{transform:translate(16px)}.backup-toggle input:focus-visible~.backup-toggle-track{outline:2px solid var(--accent);outline-offset:2px}.backup-toggle-text{display:flex;flex-direction:column;gap:2px;min-width:0}.backup-toggle-title{font-weight:600;font-size:13.5px}.backup-toggle.compact .backup-toggle-title{font-size:12.5px}.backup-toggle-sub{color:var(--muted);font-size:12px;line-height:1.35}.cloud-head{margin:14px 12px 4px;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.chat-item.cloud .chat-item-title{color:var(--muted)}.chat-item.cloud.busy{opacity:.6;cursor:progress}.sync-badge{margin-left:6px;font-size:11px;color:var(--muted);vertical-align:1px}.sync-badge.uploading{color:var(--accent);font-weight:600}.sync-badge.sync-error{border:none;background:none;padding:0;color:var(--danger)}.admin-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#00000073;display:flex;align-items:center;justify-content:center;padding:20px}.admin-panel{width:min(1040px,100%);max-height:calc(100dvh - 40px);overflow-y:auto;background:var(--bg);border:1px solid var(--border);border-radius:16px;box-shadow:0 12px 40px #0000004d;padding:20px 24px 28px}.admin-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.admin-head h1{margin:0;font-size:20px}.admin-head-actions{display:flex;gap:6px}.admin-loading{color:var(--muted);padding:18px 4px}.admin-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-bottom:20px}.admin-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:2px}.admin-card-value{font-size:22px;font-weight:700}.admin-card-label{color:var(--muted);font-size:12.5px}.admin-section{margin-top:18px}.admin-section h2{font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 8px}.admin-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--panel)}.admin-table{width:100%;border-collapse:collapse;font-size:13.5px}.admin-table th,.admin-table td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--border);vertical-align:middle}.admin-table thead th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em;font-weight:600}.admin-table tbody tr:last-child td{border-bottom:none}.admin-user{display:flex;align-items:center;gap:10px}.admin-user img{width:30px;height:30px;border-radius:50%;object-fit:cover}.admin-user-name{font-weight:600}.admin-user-email{color:var(--muted);font-size:12px}.admin-badge{margin-left:6px;font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--accent);background:var(--accent-soft);border-radius:5px;padding:1px 6px;vertical-align:1px}.admin-status{color:var(--muted);font-size:12.5px;white-space:nowrap}.admin-status.online{color:var(--accent);font-weight:600}.admin-chat-title{font-weight:600}.admin-actions{display:flex;gap:6px;flex-wrap:wrap}.admin-actions button{border:1px solid var(--border);border-radius:7px;background:var(--panel-2);color:var(--text);padding:4px 10px;font-size:12.5px}.admin-actions button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.admin-actions button.danger:hover:not(:disabled){border-color:var(--danger);color:var(--danger)}.admin-actions button:disabled{opacity:.5;cursor:default}.tr-all-btn{flex:none;padding:6px 12px;border:1px solid var(--border);border-radius:999px;background:var(--panel-2);color:var(--text);font-size:12.5px;font-weight:600;white-space:nowrap;cursor:pointer;transition:border-color .15s,color .15s}.tr-all-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.tr-all-btn:disabled{cursor:default;color:var(--muted)}.tr-panel{width:min(320px,100%);margin-top:2px}.tr-btn{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border:1px solid var(--border);border-radius:999px;background:transparent;color:var(--accent);font-size:12px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s}.tr-btn:hover{background:var(--accent-soft);border-color:var(--accent)}.tr-text{font-size:13.5px;line-height:1.45;color:var(--text);border-left:2px solid var(--accent);padding-left:9px;margin-top:2px}.tr-tag{display:inline-flex;align-items:center;gap:3px;margin-right:6px;padding:0 6px;border-radius:4px;background:var(--accent-soft);color:var(--accent);font-size:10.5px;font-weight:700;letter-spacing:.03em;vertical-align:1px}.tr-empty{color:var(--muted);font-style:italic}.tr-progress{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:var(--muted)}.tr-error{display:block;margin-top:3px;font-size:11.5px;color:var(--danger)}.tr-spinner{width:12px;height:12px;flex:none;border:2px solid var(--accent-soft);border-top-color:var(--accent);border-radius:50%;animation:tr-spin .7s linear infinite}@keyframes tr-spin{to{transform:rotate(360deg)}}