:root{--bg: #0f1419;--text: #e8edf2;--muted: #8b9bab;--accent: #4a9eff;--online: #3ddc84;--warn: #f0a020;--input-bg: #1a2332;--input-border: #2a3a4d;--bubble-me: #1e3a5f;--bubble-them: #1a2332;--system-bg: #1a2332;--danger: #e85d5d}*{box-sizing:border-box}html,body,#root{height:100%;height:100dvh;margin:0;overflow:hidden}html,body{touch-action:pan-x pan-y}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}button,input,textarea{font:inherit}button{cursor:pointer}.app{display:flex;flex-direction:column;width:100%;height:100%;min-height:0}.center{flex:1;display:flex;align-items:center;justify-content:center}.header{display:flex;flex-direction:column;gap:4px;padding:12px 16px;border-bottom:1px solid var(--input-border);background:var(--bg)}.header-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.header-top h1{flex:0 1 auto;min-width:0}@keyframes 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h1{margin:0;font-size:1.1rem;font-weight:700}.me-name{margin:0;padding:0;border:none;background:none;font:inherit;font-size:.85rem;color:var(--muted);cursor:pointer;text-align:left}.me-name:hover{color:var(--accent)}.badge{font-size:.75rem;color:var(--muted)}.badge.on{color:var(--online)}.badge.off{color:var(--danger)}.login{flex:1;display:flex;flex-direction:column;gap:12px;padding:24px 16px;max-width:480px;margin:0 auto;width:100%}.login h1{margin:0 0 4px;font-size:1.5rem}.login p{margin:0 0 8px;color:var(--muted);font-size:.9rem;line-height:1.4}.login textarea{min-height:120px;resize:vertical;background:var(--input-bg);border:1px solid var(--input-border);border-radius:8px;color:var(--text);padding:12px}.btn{border:none;border-radius:8px;padding:10px 14px;background:var(--accent);color:#fff;font-weight:600}.btn:disabled{opacity:.4}.btn.secondary{background:var(--input-bg);border:1px solid 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img{display:block;width:220px;height:160px;object-fit:cover;background:#0f1419;cursor:pointer}.media-placeholder{width:220px;height:160px;background:#0f1419}.media-offline{display:flex;align-items:center;justify-content:center;padding:10px;box-sizing:border-box}.media-offline-text{color:var(--muted);font-size:.8rem;line-height:1.35;text-align:center}.file-chip-wrap.offline{opacity:.65}.media-progress-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0f141973;z-index:2}.file-chip-wrap{position:relative;display:flex;align-items:center;justify-content:center;margin-bottom:6px;max-width:100%;width:100%;min-height:56px;background:#0f1419;border-radius:6px;overflow:hidden}.file-chip{display:inline-block;color:var(--accent);margin-bottom:6px;padding:14px 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button:disabled{opacity:.45;cursor:not-allowed}.qr-scanner-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:80;background:#000000b3;display:flex;align-items:center;justify-content:center;padding:16px}.qr-scanner-modal{width:min(420px,100%);display:flex;flex-direction:column;background:var(--bg);border:1px solid var(--input-border);border-radius:12px;overflow:hidden}.qr-scanner-preview{position:relative;width:100%;height:min(56vh,360px);background:#000;overflow:hidden}.qr-scanner-video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.qr-scanner-frame{position:absolute;top:18%;right:18%;bottom:18%;left:18%;border:2px solid rgba(255,255,255,.85);border-radius:12px;box-shadow:0 0 0 9999px #00000059;pointer-events:none}.qr-scanner-hint{margin:0;padding:10px 12px 0;text-align:center;color:var(--muted);font-size:.9rem}.qr-scanner-actions{display:flex;gap:8px;padding:12px}.qr-scanner-actions button{flex:1;padding:12px;border-radius:8px;border:1px solid var(--input-border);background:var(--input-bg);color:var(--text);font-weight:600}.system{margin:8px 16px;padding:12px;background:var(--system-bg);border-radius:8px;text-align:center}.system.chat-error,.system.chat-info{background:transparent;padding:6px 16px;margin:4px 0}.system.chat-error .body{color:var(--danger);font-size:.85rem;line-height:1.35}.system.chat-info .body{color:var(--text);font-size:.85rem;line-height:1.35}.system .label{color:var(--accent);font-size:.85rem;font-weight:700;text-transform:none;margin-bottom:4px}.broadcast-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:10px}.broadcast-action-btn{padding:8px 12px;border-radius:8px;border:1px solid var(--input-border);background:var(--input-bg, var(--bg));color:var(--text);font:inherit;font-size:.8rem;font-weight:600;cursor:pointer}.broadcast-action-btn:disabled{opacity:.45;cursor:not-allowed}.broadcast-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:80;padding:16px}.broadcast-modal{width:min(360px,100%);background:var(--bg);border:1px solid var(--input-border);border-radius:12px;padding:16px;text-align:left}.broadcast-modal-title{font-weight:700;margin-bottom:10px}.broadcast-modal-input{width:100%;box-sizing:border-box;padding:10px 12px;border-radius:8px;border:1px solid var(--input-border);background:var(--input-bg, var(--bg));color:var(--text);font:inherit;margin-bottom:12px}.broadcast-modal-actions{display:flex;justify-content:flex-end;gap:8px}.broadcast-html{text-align:center;word-break:break-word}.broadcast-html a{color:var(--accent)}.broadcast-html b,.broadcast-html strong{font-weight:700}.broadcast-html i,.broadcast-html em{font-style:italic}.broadcast-html u,.broadcast-html ins{text-decoration:underline}.broadcast-html s,.broadcast-html strike,.broadcast-html del{text-decoration:line-through}.broadcast-html code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#0f1419;color:var(--text);padding:0 4px;border-radius:4px}.broadcast-html pre{text-align:left;background:#0f1419;border-radius:6px;padding:8px;margin:6px 0;overflow-x:auto}.broadcast-html pre code{padding:0;background:transparent}.broadcast-html blockquote{text-align:left;margin:6px 0;padding:0 0 0 10px;border-left:3px solid var(--accent);color:var(--muted)}.system .body{color:var(--muted);font-size:.9rem;line-height:1.4}.composer{border-top:1px solid var(--input-border);padding:8px 10px 10px;background:var(--bg)}.composer-tools{display:flex;gap:8px;margin-bottom:6px}.tool-btn{background:var(--input-bg);border:1px solid var(--input-border);border-radius:8px;padding:6px 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var(--input-border);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:8px}.menu h3{margin:0 4px 4px;font-size:1rem}.login-error-text{margin:0 4px 12px;color:var(--danger);font-size:.9rem;line-height:1.4;white-space:pre-wrap;word-break:break-word}.confirm-text{margin:0 4px 12px;color:var(--text);font-size:.9rem;line-height:1.4}.menu button{text-align:left;padding:12px;border-radius:8px;border:1px solid var(--input-border);background:var(--bg);color:var(--text)}.menu button.primary{border-color:var(--accent);color:var(--accent);font-weight:600}.menu button.danger{border-color:var(--danger);color:var(--danger);font-weight:600}.menu-empty{margin:0 4px;color:var(--muted);font-size:.9rem}.hidden-file{display:none}.install-hint{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;border-bottom:1px solid var(--input-border);background:var(--input-bg);font-size:.85rem}.install-hint-text{color:var(--muted);flex:1;min-width:160px}.install-hint-actions{display:flex;gap:8px}.lightbox-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000000f0;display:flex;flex-direction:column}.lightbox-toolbar{display:flex;justify-content:space-between;padding:16px 20px}.lightbox-btn{background:transparent;border:none;color:var(--accent);font-size:1rem;font-weight:600;cursor:pointer;padding:8px 12px}.lightbox-btn:disabled{opacity:.4;cursor:default}.lightbox-body{flex:1;position:relative;display:flex;align-items:center;justify-content:center;min-height:0}.lightbox-img{max-width:100%;max-height:100%;object-fit:contain}.lightbox-error,.lightbox-loading{color:var(--muted);font-size:.95rem}.lightbox-progress{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#00000059}