:root{--bg-app: #0e1621;--bg-panel: #17212b;--bg-input: #212e3b;--bg-msg-out: #2b5278;--bg-msg-in: #182533;--bg-hover: rgba(255,255,255,.05);--bg-active: rgba(255,255,255,.08);--accent: #5288c1;--accent-hover:#6ba3d6;--accent-glow: rgba(82,136,193,.35);--green: #4dcd5e;--red: #e74c3c;--text: #e8f4fd;--text-sub: #6d8494;--text-muted: #4a607a;--border: rgba(255,255,255,.07);--border-input:rgba(255,255,255,.12);--r-sm: 8px;--r-md: 12px;--r-lg: 18px;--r-xl: 22px;--safe-t: env(safe-area-inset-top, 0px);--safe-b: env(safe-area-inset-bottom, 0px);--safe-l: env(safe-area-inset-left, 0px);--safe-r: env(safe-area-inset-right, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;background:var(--bg-app);color:var(--text);height:100dvh;overflow:hidden;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:4px}.tg-input{width:100%;background:var(--bg-input);border:1px solid var(--border-input);color:var(--text);border-radius:var(--r-sm);padding:11px 14px;font-size:15px;outline:none;transition:border-color .18s;font-family:inherit}.tg-input:focus{border-color:var(--accent)}.tg-input::placeholder{color:var(--text-sub)}.tg-btn{width:100%;background:var(--accent);color:#fff;border:none;border-radius:var(--r-sm);padding:12px 20px;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:background .18s,box-shadow .18s;font-family:inherit}.tg-btn:hover{background:var(--accent-hover);box-shadow:0 4px 16px var(--accent-glow)}.tg-btn:active{filter:brightness(.92)}.icon-btn{background:none;border:none;color:var(--text-sub);padding:8px;border-radius:var(--r-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .14s,color .14s;flex-shrink:0}.icon-btn:hover{background:var(--bg-hover);color:var(--text)}.icon-btn.danger:hover{color:var(--red);background:rgba(231,76,60,.12)}.app-container{display:flex;width:100vw;height:100dvh;background:var(--bg-app)}.sidebar{width:360px;min-width:360px;display:flex;flex-direction:column;background:var(--bg-panel);border-right:1px solid var(--border);height:100dvh;overflow:hidden}.sidebar-header{padding:calc(var(--safe-t) + 10px) 12px 10px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;min-height:calc(var(--safe-t) + 58px);flex-shrink:0}.sidebar-title{font-size:16px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.sidebar-subtitle{font-size:12px;color:var(--green);margin-top:1px}.chat-list{flex:1;overflow-y:auto}.chat-item{display:flex;align-items:center;gap:12px;padding:10px 14px;cursor:pointer;transition:background .12s}.chat-item:hover{background:var(--bg-hover)}.chat-item.active{background:var(--bg-active)}.chat-item-info{flex:1;overflow:hidden;min-width:0}.chat-item-row{display:flex;align-items:baseline;justify-content:space-between;gap:4px}.chat-item-name{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.chat-item-time{font-size:12px;color:var(--text-sub);flex-shrink:0}.chat-item-preview{font-size:13px;color:var(--text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}.badge{background:var(--accent);color:#fff;border-radius:10px;min-width:20px;height:20px;padding:0 5px;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}.add-contact-form{padding:10px 14px;display:flex;flex-direction:column;gap:8px;border-bottom:1px solid var(--border);background:var(--bg-panel)}.chat-area{flex:1;display:flex;flex-direction:column;height:100dvh;overflow:hidden;background:var(--bg-app);min-width:0}.chat-header{padding:calc(var(--safe-t) + 8px) 12px 8px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:10px;min-height:calc(var(--safe-t) + 56px);background:var(--bg-panel);flex-shrink:0}.chat-header-info{flex:1;overflow:hidden;min-width:0}.chat-header-name{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header-status{font-size:12px;display:flex;align-items:center;gap:4px}.messages-container{flex:1;overflow-y:auto;padding:12px 16px;display:flex;flex-direction:column;gap:3px}.message-bubble{max-width:72%;padding:7px 12px 4px;border-radius:var(--r-xl);line-height:1.5;font-size:14.5px;word-break:break-word;animation:msgIn .14s ease forwards}@keyframes msgIn{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.message-bubble.sent{align-self:flex-end;background:var(--bg-msg-out);color:#fff;border-bottom-right-radius:4px}.message-bubble.received{align-self:flex-start;background:var(--bg-msg-in);color:var(--text);border-bottom-left-radius:4px}.message-meta{font-size:11px;margin-top:2px;display:flex;align-items:center;justify-content:flex-end;gap:3px;opacity:.65}.composer-container{padding:8px 12px calc(var(--safe-b) + 8px);border-top:1px solid var(--border);background:var(--bg-panel);display:flex;flex-direction:column;gap:6px;flex-shrink:0}.composer-toolbar{display:flex;align-items:center;gap:2px;position:relative}.composer-row{display:flex;align-items:flex-end;gap:8px}.composer-input{flex:1;background:var(--bg-input);border:1px solid var(--border-input);border-radius:20px;padding:10px 16px;color:var(--text);font-size:15px;outline:none;font-family:inherit;transition:border-color .18s;line-height:1.4}.composer-input:focus{border-color:var(--accent)}.composer-input::placeholder{color:var(--text-sub)}.send-btn{width:40px;height:40px;background:var(--accent);border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .18s,transform .1s;flex-shrink:0}.send-btn:hover{background:var(--accent-hover)}.send-btn:active{transform:scale(.9)}.drawer{position:absolute;bottom:100%;left:0;margin-bottom:8px;width:300px;height:200px;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--r-md);z-index:200;padding:10px;display:flex;flex-direction:column;box-shadow:0 8px 32px #00000080}.drawer-grid{flex:1;overflow-y:auto;display:grid;grid-template-columns:repeat(6,1fr);gap:4px}.sticker-grid{grid-template-columns:repeat(4,1fr)}.grid-item{font-size:24px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:6px;padding:4px;transition:background .1s}.grid-item:hover{background:var(--bg-hover)}.avatar{border-radius:50%;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-weight:700;color:#fff;overflow:hidden;-webkit-user-select:none;user-select:none}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-upload{cursor:pointer;position:relative}.avatar-upload:hover:after{content:"✎";position:absolute;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.4);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px}.auth-barrier{width:100vw;height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-app)}.auth-card{width:100%;max-width:380px;background:var(--bg-panel);border-radius:var(--r-xl);padding:40px 32px;text-align:center;display:flex;flex-direction:column;gap:14px}.logo-text{font-size:30px;font-weight:800;background:linear-gradient(135deg,#fff 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-1px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.78);z-index:500;display:flex;align-items:center;justify-content:center;padding:calc(var(--safe-t) + 20px) 20px calc(var(--safe-b) + 20px)}.modal-card{width:100%;max-width:400px;background:var(--bg-panel);border-radius:var(--r-xl);padding:24px;display:flex;flex-direction:column;gap:18px;max-height:calc(100dvh - var(--safe-t) - var(--safe-b) - 40px);overflow-y:auto}.modal-title{font-size:17px;font-weight:700}.empty-state{padding:48px 24px;text-align:center;color:var(--text-sub);font-size:14px;line-height:1.6}.recording-indicator{display:flex;align-items:center;gap:6px;background:rgba(231,76,60,.18);padding:6px 12px;border-radius:16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#qr-reader-el video{width:100%!important;border-radius:8px}#qr-reader-el__scan_region{border:none!important}#qr-reader-el__dashboard{display:none!important}@media (max-width: 768px){.sidebar{width:100%;min-width:unset;border-right:none}.sidebar.hidden,.chat-area.hidden{display:none}.message-bubble{max-width:85%}}.presence-dot{position:absolute;bottom:1px;right:1px;width:11px;height:11px;border-radius:50%;border:2px solid var(--bg-panel);pointer-events:none;transition:background .3s}.presence-dot[data-online=true]{box-shadow:0 0 8px #2dd4bf,0 0 3px #2dd4bf}.chat-header-clickable{flex:1;display:flex;align-items:center;gap:10px;cursor:pointer;border-radius:var(--r-sm);padding:4px 6px;margin:-4px -6px;transition:background .14s;min-width:0;overflow:hidden}.chat-header-clickable:hover{background:var(--bg-hover)}.reply-preview{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.04);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-left:3px solid var(--accent);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:6px 10px;margin-bottom:4px}.reply-preview-body{flex:1;display:flex;flex-direction:column;gap:1px;min-width:0;overflow:hidden}.reply-preview-sender{font-size:12px;font-weight:600;color:var(--accent);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-preview-text{font-size:12px;color:var(--text-sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.reply-quote{display:flex;flex-direction:column;gap:2px;background:rgba(255,255,255,.07);border-left:3px solid var(--accent);border-radius:0 6px 6px 0;padding:5px 8px;margin-bottom:6px;font-size:12px}.reply-quote-sender{font-weight:600;color:var(--accent);display:block}.reply-quote-text{color:#e8f4fda6;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}.input-bar{display:flex;align-items:center;gap:6px}.input-pill{flex:1;display:flex;align-items:center;background:var(--bg-input);border:1px solid var(--border-input);border-radius:22px;padding:4px 8px 4px 4px;gap:2px;transition:border-color .18s}.input-pill:focus-within{border-color:var(--accent)}.input-pill .composer-input{flex:1;background:none;border:none;border-radius:0;padding:6px 8px}.input-pill .composer-input:focus{border-color:transparent}.reply-trigger{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:0 2px;display:flex;align-items:center;opacity:0;transition:opacity .15s,color .15s;flex-shrink:0}.message-bubble:hover .reply-trigger{opacity:1}.reply-trigger:hover{color:var(--accent)}.pending-message{opacity:.65;border:1px dashed rgba(255,255,255,.15)}.profile-panel-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:400;background:rgba(0,0,0,.45);display:flex;justify-content:flex-end}.profile-panel{width:340px;max-width:100vw;height:100dvh;background:var(--bg-panel);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;animation:slideInRight .22s ease}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.profile-panel-header{display:flex;align-items:center;justify-content:space-between;padding:calc(var(--safe-t) + 10px) 14px 10px;border-bottom:1px solid var(--border);flex-shrink:0}.profile-panel-hero{display:flex;flex-direction:column;align-items:center;gap:6px;padding:24px 20px 16px;flex-shrink:0}.profile-hero-name{font-size:18px;font-weight:700;text-align:center}.profile-hero-status{font-size:13px;text-align:center}.profile-privacy-badge{display:flex;align-items:center;gap:5px;background:rgba(82,136,193,.12);border:1px solid rgba(82,136,193,.25);border-radius:20px;padding:4px 10px;font-size:11px;color:var(--accent);margin-top:4px}.media-tabs{display:flex;border-bottom:1px solid var(--border);flex-shrink:0}.media-tab-btn{flex:1;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-sub);padding:10px 4px;font-size:12px;font-family:inherit;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;transition:color .15s,border-color .15s}.media-tab-btn:hover{color:var(--text);background:var(--bg-hover)}.media-tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.profile-panel-body{flex:1;overflow-y:auto;padding:12px}.profile-empty{padding:40px 20px;text-align:center;color:var(--text-sub);font-size:13px}.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.media-thumb{aspect-ratio:1;border-radius:6px;overflow:hidden;display:block;background:var(--bg-input);position:relative;cursor:pointer;transition:filter .15s}.media-thumb:hover{filter:brightness(.8)}.media-thumb-placeholder{aspect-ratio:1;border-radius:6px;background:var(--bg-input);animation:pulse 1.5s ease-in-out infinite}.media-thumb-play{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:22px;background:rgba(0,0,0,.35);color:#fff}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.file-list{display:flex;flex-direction:column;gap:2px}.file-list-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--r-sm);transition:background .12s}.file-list-item:hover{background:var(--bg-hover)}.file-list-name{flex:1;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.voice-list{display:flex;flex-direction:column;gap:6px}.voice-list-item{display:flex;align-items:center;gap:8px;padding:6px 8px;background:var(--bg-input);border-radius:var(--r-sm)}.voice-list-time{font-size:11px;color:var(--text-sub);flex-shrink:0}.settings-list{display:flex;flex-direction:column;gap:4px}.settings-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);background:var(--bg-input);border:1px solid var(--border);cursor:pointer;transition:background .14s,border-color .14s;width:100%;text-align:left;font-family:inherit;color:var(--text)}.settings-item:hover{background:var(--bg-hover);border-color:var(--border-input)}.settings-item-body{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.settings-item-title{font-size:14px;font-weight:600}.settings-item-sub{font-size:12px;color:var(--text-sub)}