:root{color-scheme:dark;--color-bg-deep:#09111a;--color-bg-canvas:#0e1621;--color-surface:#17212b;--color-surface-soft:#202b36;--color-surface-raised:#242f3d;--color-surface-hover:#243342;--color-border:#2a3a4a;--color-border-strong:#0f1923;--color-text-primary:#f7f9fb;--color-text-secondary:#d7dde5;--color-text-muted:#8fa4b8;--color-text-subtle:#7f91a4;--color-accent:#3390ec;--color-accent-strong:#2b5278;--color-accent-secondary:#8774e1;--color-danger:#ff6b6b;--color-success:#35d984;--color-on-accent:#ffffff;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-pill:999px;--focus-ring:0 0 0 3px rgba(51,144,236,.38);--motion-fast:.14s;--motion-normal:.22s;--chat-wallpaper:none;--z-content:1;--z-sticky:10;--z-menu:100;--z-drawer:200;--z-modal:300;--z-toast:400;--z-gate:500;--safe-top:env(safe-area-inset-top, 0px);--safe-right:env(safe-area-inset-right, 0px);--safe-bottom:env(safe-area-inset-bottom, 0px);--safe-left:env(safe-area-inset-left, 0px)}:root[data-wallpaper=pattern]{--chat-wallpaper: radial-gradient(circle at 20px 20px,rgba(51,144,236,.07) 0 2px,transparent 2.5px), radial-gradient(circle at 60px 60px,rgba(135,116,225,.055) 0 2px,transparent 2.5px)}:root[data-theme=light]{color-scheme:light;--color-bg-deep:#dce7f0;--color-bg-canvas:#edf3f8;--color-surface:#ffffff;--color-surface-soft:#f4f7fa;--color-surface-raised:#e8eef4;--color-surface-hover:#dfe8f0;--color-border:#c7d4df;--color-border-strong:#b5c5d2;--color-text-primary:#152333;--color-text-secondary:#304357;--color-text-muted:#60768a;--color-text-subtle:#71869a;--color-accent:#147fd1;--color-accent-strong:#0f669f;--color-accent-secondary:#6f5bd3;--color-danger:#c7394f;--color-success:#12834f}@media(prefers-color-scheme:light){:root[data-theme=system]{color-scheme:light;--color-bg-deep:#dce7f0;--color-bg-canvas:#edf3f8;--color-surface:#ffffff;--color-surface-soft:#f4f7fa;--color-surface-raised:#e8eef4;--color-surface-hover:#dfe8f0;--color-border:#c7d4df;--color-border-strong:#b5c5d2;--color-text-primary:#152333;--color-text-secondary:#304357;--color-text-muted:#60768a;--color-text-subtle:#71869a;--color-accent:#147fd1;--color-accent-strong:#0f669f;--color-accent-secondary:#6f5bd3;--color-danger:#c7394f;--color-success:#12834f}}*{margin:0;padding:0;box-sizing:border-box}html{width:100%;height:100%;background:var(--color-bg-deep);overscroll-behavior:none;-webkit-text-size-adjust:100%}body{width:100%;min-height:100%;font-family:Segoe UI,sans-serif;background:var(--color-bg-canvas);overflow:hidden;overscroll-behavior:none;touch-action:manipulation}#root{width:100%;min-height:100%;background:var(--color-bg-deep);overscroll-behavior:none}button,input,textarea,select{font:inherit}.login-page{min-height:100vh;min-height:100svh;display:flex;justify-content:center;align-items:center;background:var(--color-bg-canvas)}.auth-card{position:relative;width:360px;display:flex;flex-direction:column;align-items:center;padding:34px 28px 26px;background:var(--color-surface);border-radius:18px;box-shadow:0 18px 60px #00000059}.auth-back{position:absolute;top:14px;left:14px;width:34px;height:34px;border:none;border-radius:50%;background:transparent;color:var(--color-text-muted);cursor:pointer;font-size:22px}.auth-back:hover{background:var(--color-surface-hover);color:var(--color-text-primary)}.auth-logo{width:88px;height:88px;border-radius:50%;background:var(--color-accent);color:var(--color-text-primary);display:flex;align-items:center;justify-content:center;font-size:42px;font-weight:800;margin-bottom:18px}.auth-card h1{color:var(--color-text-primary);font-size:24px;font-weight:700;text-align:center}.auth-subtitle{margin:8px 0 22px;color:var(--color-text-muted);font-size:14px;text-align:center}.auth-input{width:100%;height:48px;border:none;outline:none;border-radius:12px;background:var(--color-surface-raised);color:var(--color-text-primary);padding:0 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+ env(safe-area-inset-top,0px)) calc(14px + env(safe-area-inset-right,0px)) calc(18px + env(safe-area-inset-bottom,0px)) calc(14px + env(safe-area-inset-left,0px))}.auth-card{width:min(100%,420px);max-height:calc(100svh - 32px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));overflow:auto;-webkit-overflow-scrolling:touch}}.auth-security-choice{display:flex;flex-direction:column;gap:10px}.auth-security-title{color:var(--color-text-primary);font-size:16px;font-weight:700}.auth-choice-button{width:100%;border:1px solid #243447;border-radius:14px;background:var(--color-surface);color:var(--color-text-primary);padding:12px 14px;cursor:pointer;text-align:left}.auth-choice-button.active{border-color:var(--color-accent);background:#1f3346}.auth-warning{margin:2px 0 0;padding:10px 12px;border-radius:12px;background:#ff6b6b1a;border:1px solid rgba(255,107,107,.26);color:#ffb2b2;font-size:12px;line-height:1.4}.sidebar{background:var(--color-surface);border-right:1px solid var(--color-border-strong);display:flex;flex-direction:column}.sidebar-top{display:flex;align-items:center;background:var(--color-surface)}.burger-button{border:none;border-radius:50%;background:transparent;color:var(--color-text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s;flex-shrink:0}.burger-button:hover{background:var(--color-surface-hover);color:var(--color-text-primary)}.sidebar-search{flex:1}.sidebar-search input{width:100%;border:none;outline:none;background:var(--color-surface-raised);color:var(--color-text-primary)}.sidebar-search input::placeholder{color:var(--color-text-subtle)}.sidebar{width:360px;min-width:360px;max-width:360px}.sidebar-top{height:62px;padding:10px 14px;gap:12px}.burger-button{width:42px;height:42px}.sidebar-search input{height:44px;border-radius:22px;padding:0 18px;font-size:15px}.sidebar-search input{font-weight:400}:root{--liotan-icon-size:22px;--liotan-icon-color:var(--color-text-secondary)}.liotan-icon-button,.drawer-icon-button,.burger-button{color:var(--liotan-icon-color)}.liotan-icon-button svg{display:block;overflow:visible;color:currentColor;fill:none;stroke:none}.burger-button{font-size:0}.sidebar-search{position:relative;display:flex;align-items:center}.sidebar-search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:22px;height:22px;z-index:1}.sidebar-search input{padding-left:46px}:root{--liotan-action-icon-size:24px;--liotan-action-icon-stroke:1.62}.liotan-icon-button svg,.drawer-icon-button svg,.sidebar-search-icon svg{fill:none;stroke:none}.burger-button svg{width:23px;height:23px}.sidebar-search-icon svg{width:23px;height:23px}.sidebar-search-icon{user-select:none;-webkit-user-select:none;pointer-events:none}:root{--liotan-sidebar-width:360px;--liotan-menu-icon-size:24px}.liotan-icon-button svg,.drawer-icon-button svg,.sidebar-search-icon svg{width:var(--liotan-menu-icon-size);height:var(--liotan-menu-icon-size);display:block;overflow:visible;color:currentColor;flex-shrink:0}.drawer-icon-button{margin-left:-4px}.drawer-icon-button svg{width:24px;height:24px}.sidebar-search-icon{display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);flex-shrink:0}.settings-topbar-actions .drawer-icon-button svg,.settings-overflow-menu svg{width:21px;height:21px}.sidebar{position:relative}.dialogs-list{flex:1;overflow-y:auto}.dialogs-list::-webkit-scrollbar{width:6px}.dialogs-list::-webkit-scrollbar-thumb{background:#25303d;border-radius:10px}.user{position:relative;display:flex;align-items:center;cursor:pointer;transition:.15s}.user:hover{background:var(--color-surface-soft)}.user.active{background:var(--color-accent-strong)}.user-name{color:var(--color-text-primary)}.dialog-info{flex:1;min-width:0}.dialog-preview{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.dialog-meta{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end}.dialog-time{color:var(--color-text-subtle);margin-top:2px}.unread{background:var(--color-accent);color:var(--color-text-primary);display:flex;justify-content:center;align-items:center;font-weight:700}.avatar,.chat-avatar{overflow:hidden;border-radius:50%;background:var(--color-accent);color:var(--color-text-primary);display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.dialog-pin{margin-left:6px;font-size:11px}.user{-webkit-tap-highlight-color:transparent}@media(max-width:768px){.user{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}}.dialog-preview-media,.dialog-preview-attachment{display:flex;align-items:center;gap:6px;min-width:0}.dialog-preview-media 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820px)/2));display:flex;flex-direction:column}.messages::-webkit-scrollbar{width:8px}.messages::-webkit-scrollbar-thumb{background:#25303d;border-radius:10px}.date-separator{align-self:center;margin:10px 0 14px;padding:4px 10px;border-radius:12px;background:#242f3dd9;color:#b7c4d1;font-size:12px;font-weight:600;box-shadow:0 2px 10px #0000002e}.pinned-bar-wrap{width:100%;height:46px;border-bottom:1px solid var(--color-border-strong);background:var(--color-surface);display:flex;align-items:center;flex-shrink:0}.pinned-bar{flex:1;min-width:0;height:45px;border:none;background:transparent;color:var(--color-text-primary);display:flex;align-items:center;gap:10px;padding:7px max(18px,calc((100% - 820px)/2));cursor:pointer;font-family:inherit;text-align:left}.pinned-bar:hover{background:var(--color-surface-soft)}.pinned-bar-line{width:3px;height:30px;border-radius:3px;background:var(--color-accent);flex-shrink:0}.pinned-bar-content{min-width:0;flex:1}.pinned-bar-title{color:var(--color-accent);font-size:12px;font-weight:700}.pinned-bar-text{margin-top:1px;color:var(--color-text-secondary);font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.composer-shell{padding-left:max(15px,calc((100% - 820px)/2));padding-right:max(18px,calc((100% - 820px)/2))}.message-highlight{animation:messageHighlight 1.2s ease}@keyframes messageHighlight{0%{filter:brightness(1.55)}to{filter:brightness(1)}}.chat-content{min-height:0;flex:1;display:flex;flex-direction:column}.chat-content.is-hidden{display:none}.chat-header-main{min-width:0;flex:1}.chat-security-notice{align-self:center;width:min(520px,calc(100% - 32px));margin:12px auto 2px;padding:8px 12px;border-radius:10px;background:#182b38e6;color:#9fb5c5;font-size:12px;line-height:1.45;text-align:center;box-shadow:0 4px 18px #00000026;flex-shrink:0}.chat-security-notice.is-ready{color:#a9c9c2;background:#193735d6}.chat-security-inspect{margin-left:8px;border:0;padding:2px 5px;background:transparent;color:#79d8c4;font:inherit;font-weight:700;cursor:pointer}.safety-modal-backdrop{position:fixed;inset:0;z-index:1800;display:flex;align-items:center;justify-content:center;padding:20px;background:#01070cc2}.safety-modal{position:relative;box-sizing:border-box;width:min(480px,100%);max-height:min(760px,calc(100svh - 32px));overflow:auto;padding:24px;border:1px solid rgba(121,216,196,.2);border-radius:18px;background:#111f2b;color:#dce7ee;box-shadow:0 22px 70px #00000085}.safety-modal h2{margin:0 34px 10px 0;color:var(--color-text-primary);font-size:22px}.safety-modal p{margin:8px 0;color:#aebdca;font-size:14px;line-height:1.45}.safety-modal small{display:block;margin-top:14px;color:#8195a6;line-height:1.4}.safety-modal-close{position:absolute;top:13px;right:14px;border:0;background:transparent;color:#aab8c3;font-size:26px;cursor:pointer}.safety-status{padding:9px 11px;border-radius:9px;background:#ffbe4b1a}.safety-status.is-verified{color:#85e4b4;background:#35d9841f}.safety-status.is-changed{color:#ffb0a9;background:#ef444421}.safety-qr{display:block;width:220px;height:220px;margin:18px auto;border-radius:12px;background:#fff}.safety-number{display:block;padding:13px;border-radius:10px;background:#09141e;color:#dff8f2;font-size:14px;line-height:1.6;text-align:center;overflow-wrap:anywhere}.safety-participants{display:grid;gap:8px;margin:14px 0}.safety-participants>div{display:grid;gap:3px;padding:10px 12px;border-radius:10px;background:#192936}.safety-participants span{color:#8fa4b5;font-size:12px;overflow-wrap:anywhere}.safety-scan-field{display:grid;gap:6px;color:#9fb2c0;font-size:13px}.safety-scan-field 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.message-video-wrap{position:relative;display:flex;flex-direction:column;overflow:hidden;border-radius:16px;cursor:pointer;background:#111820}.photo-message .message-photo,.video-message .message-video{display:block;width:auto;height:auto;max-width:min(560px,48vw);max-height:640px;object-fit:contain;background:#05080d}.video-message .message-video{aspect-ratio:auto;min-width:220px;min-height:140px}.message-video-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#00000075;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:var(--color-text-primary);font-size:0;cursor:pointer;transition:.18s}.message-video-play:before{content:"";display:block;width:0;height:0;margin-left:5px;border-top:12px solid transparent;border-bottom:12px solid transparent;border-left:18px solid #ffffff}.message-video-play:hover{transform:translate(-50%,-50%) scale(1.06);background:#00000094}.video-duration-layer{position:absolute;left:8px;top:8px;padding:3px 7px;border-radius:10px;background:#00000094;color:var(--color-text-primary);font-size:11px;font-weight:600;-webkit-user-select:none;user-select:none}.video-download-layer{position:absolute;left:8px;top:34px;height:25px;padding:0 9px;border:none;border-radius:13px;background:#0000009e;color:var(--color-text-primary);font-size:11px;font-weight:600;cursor:pointer;transition:.18s}.video-download-layer:hover{background:#000000c7}.message-media-caption{padding:8px 10px 7px;background:#182533;color:var(--color-text-primary);font-size:14px;line-height:1.36;white-space:pre-wrap;word-break:break-word}.me .message-media-caption{background:var(--color-accent-strong)}.photo-time-layer{position:absolute;right:7px;bottom:7px;display:flex;align-items:center;gap:4px;padding:3px 7px;border-radius:10px;background:#0000007a;color:var(--color-text-primary);font-size:11px;-webkit-user-select:none;user-select:none}.photo-time-layer .message-status{margin-left:2px}.photo-time-layer .message-status.sent,.photo-time-layer .message-status.delivered{color:var(--color-text-secondary)}.photo-time-layer .message-status.read{color:#3aaeff}.media-viewer{position:fixed;inset:0;z-index:31000;display:flex;flex-direction:column;background:#000000eb;animation:mediaViewerFade .18s ease}@keyframes mediaViewerFade{0%{opacity:0}to{opacity:1}}.media-viewer-top{height:56px;flex-shrink:0;display:flex;align-items:center;justify-content:space-between;padding:0 16px;background:#111820d1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.media-viewer-title{color:var(--color-text-primary);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.media-viewer-actions{display:flex;align-items:center;gap:8px}.media-viewer-actions button{width:36px;height:36px;border:none;border-radius:9px;background:#ffffff14;color:var(--color-text-primary);cursor:pointer;transition:.18s}.media-viewer-actions button:hover{background:#ffffff26}.media-viewer-body{flex:1;display:flex;align-items:center;justify-content:center;padding:22px}.media-viewer-img,.media-viewer-video{width:auto;max-width:min(96vw,1200px);max-height:calc(100dvh - 96px);object-fit:contain;background:#05080d;border-radius:10px}@media(max-width:768px){.message.photo-message,.message.video-message{max-width:88%}.photo-message .message-photo,.video-message .message-video{max-width:88vw;max-height:520px}.media-viewer-top{height:50px}.media-viewer-body{padding:0}.media-viewer-img,.media-viewer-video{max-width:100vw;max-height:calc(100dvh - 50px);border-radius:0}}.message-media-pending{width:260px;min-height:160px;border-radius:14px;background:#ffffff0a}.message.audio-message{min-width:320px;max-width:min(76%,440px);padding:8px 10px 7px;border-radius:16px 16px 16px 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svg{width:22px;height:22px}.settings-avatar{width:86px;height:86px;border-radius:50%;background:var(--color-accent);color:var(--color-text-primary);display:flex;align-items:center;justify-content:center;overflow:hidden;font-size:34px;font-weight:700}.settings-avatar.large{width:104px;height:104px;font-size:40px}.settings-name{margin-top:12px;color:var(--color-text-primary);font-size:20px;font-weight:700}.settings-online{margin-top:3px;color:var(--color-text-subtle)}.settings-card{background:var(--color-surface-soft)}.settings-row{min-height:54px;display:flex;align-items:center;gap:14px;color:var(--color-text-primary);padding:0 4px}.settings-row 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