:root{--bg-base:#0f0f0f;--bg-raised:#171717;--bg-overlay:#1f1f1f;--bg-active:#282828;--border:#ffffff12;--border-strong:#ffffff1f;--accent:#f2f2f2;--accent-dim:#f2f2f21a;--accent-text:#0f0f0f;--text-primary:#e5e5e5;--text-secondary:#666;--text-muted:#3a3a3a;--danger:#d94f4f;--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Helvetica Neue", sans-serif;--font-size-xs:14px;--font-size-sm:17px;--font-size-base:19px;--font-size-lg:21px;--font-size-xl:24px;--space-xs:4px;--space-sm:8px;--space-md:12px;--space-lg:16px;--space-xl:24px;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-pill:999px;--t-fast:.15s ease;--t-mid:.25s 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var(--border);z-index:1000;padding-bottom:env(safe-area-inset-bottom);justify-content:space-around;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{cursor:pointer;color:var(--text-secondary);transition:color var(--t-fast);background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;min-height:49px;padding:8px 4px 9px;display:flex}.nav-item:active{opacity:.5}.nav-item.active{color:var(--accent)}.nav-icon{justify-content:center;align-items:center;width:28px;height:28px;display:flex}.nav-icon svg{width:28px;height:28px}.nav-label{letter-spacing:0;white-space:nowrap;font-size:14px;font-weight:500}body.keyboard-open .navigation{display:none}.quota-display{background:var(--bg-raised);border:1px solid var(--border);border-radius:14px;padding:14px 16px}.quota-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin:0 0 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var(--border-strong);width:64px;height:64px;color:var(--text-primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:26px;font-weight:600;display:flex}.profile-info{flex:1;min-width:0}.profile-info h2{color:var(--text-primary);margin:0;font-size:17px;font-weight:600}.name-display-row{align-items:center;gap:6px;margin-bottom:2px;display:flex}.name-edit-btn{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:color var(--t-fast);background:0 0;border:none;flex-shrink:0;padding:2px 4px;font-size:16px;line-height:1}.name-edit-btn:hover{color:var(--text-primary)}.name-edit-row{align-items:center;gap:4px;margin-bottom:2px;display:flex}.name-edit-input{background:var(--bg-overlay);border:1px solid var(--accent);border-radius:var(--radius-sm);color:var(--text-primary);outline:none;flex:1;min-width:0;padding:4px 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16px;display:flex;position:relative}.chat-item.swiped{transform:translate(-88px)}.chat-item:active{background:var(--bg-active)}.chat-avatar{background:var(--bg-overlay);border:1px solid var(--border-strong);width:46px;min-width:46px;height:46px;color:var(--text-primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:17px;font-weight:600;display:flex}.chat-info{text-align:left;flex:1;min-width:0}.chat-header-row{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:3px;display:flex}.chat-header-row h3{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:20px;font-weight:500;overflow:hidden}.chat-time{color:var(--text-secondary);white-space:nowrap;flex-shrink:0;font-size:15px}.chat-last-message{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:17px;overflow:hidden}.unread-badge{background:var(--accent);min-width:20px;height:20px;color:var(--accent-text);border-radius:var(--radius-pill);flex-shrink:0;justify-content:center;align-items:center;padding:0 6px;font-size:13px;font-weight:600;display:flex}.chat-window{background:var(--bg-base);flex-direction:column;height:100%;display:flex}.chat-header{background:var(--bg-raised);border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:12px 16px;display:flex}.chat-header-info{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.chat-header-info h2{text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:16px;overflow:hidden}.chat-presence{color:var(--text-secondary,#888);font-size:11px;line-height:1}.chat-header h2{color:var(--text-primary);flex:1;margin:0;font-size:20px;font-weight:500}.back-button{cursor:pointer;color:var(--accent);border-radius:var(--radius-sm);transition:background var(--t-fast);background:0 0;border:none;padding:4px 8px;font-size:22px}.back-button:hover{background:var(--bg-active)}.chat-encryption-badge{opacity:.4;font-size:14px}.chat-textonly-badge{color:#ff9500;opacity:.8;font-size:14px}.textonly-notice{color:#ff9500;background:#ff950014;border-bottom:1px solid #ff950026;justify-content:center;align-items:center;gap:0;padding:4px 12px;font-size:11px;display:flex}.messages-spacer{height:calc(64px + env(safe-area-inset-bottom));flex-shrink:0}.chat-loading,.chat-empty{text-align:center;color:var(--text-secondary);padding:2.5rem 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var(--accent);flex-direction:column;flex:1;padding-left:8px;display:flex;overflow:hidden}.reply-banner-sender{color:var(--accent);white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.reply-banner-text{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;overflow:hidden}.reply-banner-cancel{color:var(--text-secondary);cursor:pointer;transition:background var(--t-fast);background:0 0;border:none;border-radius:50%;flex-shrink:0;padding:4px 6px;font-size:16px}.reply-banner-cancel:hover{background:var(--bg-active)}.input-row{gap:8px;padding:10px 12px;display:flex}.message-input{background:var(--bg-overlay);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--text-primary);transition:border-color var(--t-fast);outline:none;flex:1;padding:9px 14px;font-size:17px}.message-input:focus{border-color:var(--accent)}.send-button{background:var(--accent);color:var(--accent-text);border-radius:var(--radius-pill);cursor:pointer;transition:opacity var(--t-fast);border:none;flex-shrink:0;padding:9px 20px;font-size:18px;font-weight:600}.send-button:hover{opacity:.85}.send-button:disabled{opacity:.35;cursor:default}.attach-button{background:var(--bg-overlay);border:1px solid var(--border);border-radius:var(--radius-pill);cursor:pointer;transition:opacity var(--t-fast);color:var(--text-secondary);flex-shrink:0;padding:9px 11px;font-size:18px}.attach-button:hover{opacity:.75}.attach-button:disabled{opacity:.35;cursor:default}.msg-image{object-fit:cover;cursor:pointer;border-radius:10px;max-width:220px;max-height:280px;margin-bottom:4px;display:block}.msg-file-link{color:var(--accent);word-break:break-all;background:#0000001f;border-radius:8px;align-items:center;gap:5px;margin-bottom:4px;padding:7px 10px;font-size:15px;text-decoration:none;display:inline-flex}.msg-file-link:hover{opacity:.8}.error-message{color:var(--danger);background:#d94f4f1f;border-top:1px solid #d94f4f40;padding:8px 12px;font-size:15px}@media (width<=600px){.message-content{max-width:82%}}body.keyboard-open .input-area{bottom:env(safe-area-inset-bottom)}.safety-overlay{z-index:200;background:#0000008c;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.safety-modal{background:var(--bg-card,#fff);border-radius:16px;flex-direction:column;gap:14px;width:100%;max-width:340px;padding:24px 20px 20px;display:flex;box-shadow:0 8px 32px #0000002e}.safety-modal-header{align-items:center;gap:8px;font-size:16px;font-weight:600;display:flex}.safety-modal-desc{color:var(--text-secondary,#666);margin:0;font-size:13px;line-height:1.5}.safety-number{background:var(--bg-base,#f5f5f5);border-radius:10px;flex-wrap:wrap;justify-content:center;gap:6px 10px;padding:14px 8px;display:flex}.safety-number-group{letter-spacing:2px;color:var(--text-primary,#111);font-family:Courier New,monospace;font-size:18px;font-weight:700}.safety-number-loading{color:var(--text-secondary,#666);font-size:14px}.safety-modal-close{border:1px solid var(--border,#ddd);cursor:pointer;color:var(--text-primary,#111);background:0 0;border-radius:8px;align-self:flex-end;padding:8px 18px;font-size:14px}.streaming-notice{background:#000;border-bottom:2px solid #1a6bcc;overflow:hidden}.streaming-topbar{background:#000000d9;align-items:center;gap:10px;padding:8px 12px;display:flex}.streaming-indicator{flex-shrink:0;align-items:center;gap:5px;display:flex}.streaming-pulse{background:#1a6bcc;border-radius:50%;width:8px;height:8px;animation:1.5s ease-in-out infinite pulse}@keyframes 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video{object-fit:cover;width:100%;height:100%}.cgm-overlay{z-index:500;background:#000000b8;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.cgm-overlay--full{background:0 0;align-items:stretch}.cgm-modal{background:var(--bg-raised);border-radius:16px 16px 0 0;flex-direction:column;width:100%;display:flex;overflow:hidden}.cgm-modal--name{max-height:60vh;padding-bottom:calc(49px + env(safe-area-inset-bottom))}.cgm-modal--contacts{border-radius:0;height:100%}.cgm-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:16px 20px 12px;display:flex}.cgm-header h2{color:var(--text-primary);margin:0;font-size:18px;font-weight:600}.cgm-close{color:var(--text-secondary);cursor:pointer;transition:background var(--t-fast);background:0 0;border:none;border-radius:50%;padding:4px 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var(--border-strong);width:26px;height:26px;color:var(--accent-text);transition:all var(--t-fast);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:700;display:flex}.cgm-checkbox.checked{background:var(--accent);border-color:var(--accent)}.cgm-create-btn{border-radius:var(--radius-md);cursor:pointer;background:var(--accent);color:var(--accent-text);white-space:nowrap;transition:opacity var(--t-fast);border:none;flex-shrink:0;padding:10px 16px;font-size:15px;font-weight:600}.cgm-create-btn:disabled{opacity:.35;cursor:default}.cgm-create-btn:not(:disabled):active{opacity:.8}.group-chat-window{background:linear-gradient(135deg,#0f0f1e 0%,#1a1a2e 100%);border-radius:12px;flex-direction:column;height:100%;display:flex;overflow:hidden;box-shadow:0 8px 32px #0000004d}.broadcaster-preview{background:#000;justify-content:center;align-items:center;width:100%;max-height:240px;display:flex;position:relative;overflow:hidden}.broadcaster-video{object-fit:cover;width:100%;max-height:240px;transform:scaleX(-1)}.broadcaster-live-badge{color:#fff;letter-spacing:.5px;background:#dc2626e6;border-radius:4px;padding:3px 8px;font-size:11px;font-weight:700;position:absolute;top:10px;left:10px}.group-chat-header{background-color:#0000004d;border-bottom:2px solid #1a6bcc33;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.group-header-info{flex:1}.group-title{color:#fff;margin:0;font-size:18px;font-weight:700}.group-member-count{color:#a0a0a0;margin:4px 0 0;font-size:12px}.group-header-actions{flex-shrink:0;align-items:center;gap:6px;display:flex}.add-members-btn{background:var(--bg-raised,#f2f2f7);color:#007aff;cursor:pointer;white-space:nowrap;border:1px solid #007aff4d;border-radius:6px;padding:8px 12px;font-size:13px;font-weight:600}.add-members-btn:active{opacity:.7}.start-stream-btn{color:#fff;cursor:pointer;width:36px;height:36px;transition:background var(--t-fast);background:#1a6bcc;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:17px;display:flex}.start-stream-btn:active{background:#1050a8}.messages-container{flex-direction:column;flex:1;gap:12px;padding:16px 20px;display:flex;overflow-y:auto}.empty-chat{color:#707070;text-align:center;flex-direction:column;justify-content:center;align-items:center;height:100%;display:flex}.empty-chat p{margin:8px 0;font-size:14px}.empty-chat-hint{opacity:.7;font-size:12px}.message{gap:10px;animation:.3s ease-out messageSlideIn;display:flex}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.message.own-message{justify-content:flex-end}.message-avatar{color:#fff;background:linear-gradient(135deg,#1a6bcc 0%,#1050a8 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.75rem;display:flex}.login-principle-header:hover{background:var(--bg-overlay)}.login-principle-label{color:var(--text-primary);flex:1;font-size:.82rem;font-weight:600}.login-principle-arrow{color:var(--text-secondary);font-size:.55rem}.login-principle-detail{color:var(--text-secondary);border-top:1px solid var(--border);margin:0;padding:0 .75rem .65rem;font-size:.78rem;line-height:1.5}@media (width<=400px){.login-card{border-radius:var(--radius-md);padding:1.5rem 1.25rem 1.25rem}}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}#root{height:100%}.App{height:100dvh;padding-top:env(safe-area-inset-top);background:var(--bg-base);font-family:var(--font-family);-webkit-font-smoothing:antialiased;flex-direction:column;display:flex}.app-main{padding-bottom:calc(49px + env(safe-area-inset-bottom));flex-direction:column;flex:1;display:flex;overflow:hidden}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:0 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