:root{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--secondary: #8b5cf6;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--header-height: 56px;--input-height: 56px;--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px)}:root,[data-theme=dark]{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-hover: #475569;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border: #334155;--shadow: rgba(0, 0, 0, .3)}[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #e2e8f0;--bg-hover: #e2e8f0;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #64748b;--border: #e2e8f0;--shadow: rgba(0, 0, 0, .1)}@media (prefers-color-scheme: light){[data-theme=auto]{--bg-primary: #ffffff;--bg-secondary: #f8fafc;--bg-tertiary: #e2e8f0;--bg-hover: #e2e8f0;--text-primary: #1e293b;--text-secondary: #475569;--text-muted: #64748b;--border: #e2e8f0;--shadow: 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.mobile-message-time{color:#fffc}.mobile-message.incoming .mobile-message-time{color:var(--text-muted)}.mobile-message.no-bubble{background:transparent;padding:0;max-width:85%}.mobile-message.no-bubble .mobile-message-media{position:relative;margin:0;max-width:100%;border-radius:1rem;overflow:hidden;background:transparent}.mobile-message.no-bubble .mobile-message-media img,.mobile-message.no-bubble .mobile-message-media video{width:100%;height:auto;max-height:400px;object-fit:cover;border-radius:1rem;display:block}.mobile-media-time{position:absolute;bottom:8px;right:8px;background:#000000b3;color:#fff;font-size:.75rem;padding:.25rem .5rem;border-radius:.5rem;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-weight:500}.mobile-message-media{max-width:280px;max-height:400px;border-radius:12px;overflow:hidden;margin-bottom:.25rem;background:#0003}.mobile-message-media img{width:100%;height:auto;display:block;border-radius:12px;max-height:400px;object-fit:contain}.mobile-message-media video{width:100%;height:auto;display:block;border-radius:12px;max-height:400px;object-fit:contain}.mobile-message.outgoing .mobile-message-bubble:has(.mobile-message-media),.mobile-message.incoming .mobile-message-bubble:has(.mobile-message-media){max-width:85%;padding:.25rem}.mobile-message-audio{display:flex;align-items:center;gap:.75rem;padding:.5rem .75rem;background:#ffffff0d;border-radius:12px;margin-bottom:.25rem;min-width:200px;max-width:280px}.mobile-voice-play-btn{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:#fff3;border-radius:50%;cursor:pointer;transition:all .2s;border:none;color:inherit}.mobile-voice-play-btn:active{transform:scale(.95);background:#ffffff4d}.mobile-voice-play-btn 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svg{width:20px;height:20px}.mobile-edit-profile-form{display:flex;flex-direction:column;gap:1rem}.mobile-form-group{display:flex;flex-direction:column;gap:.5rem}.mobile-form-group label{font-size:.9rem;font-weight:600;color:var(--text-secondary)}.mobile-form-group input,.mobile-form-group textarea{padding:.875rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:1rem;font-family:inherit}.mobile-form-group input:focus,.mobile-form-group textarea:focus{outline:none;border-color:var(--primary);background:var(--bg-hover)}.mobile-form-group input:disabled{opacity:.6;cursor:not-allowed}.mobile-form-group small{font-size:.8rem;color:var(--text-muted)}#mobile-bio-counter{text-align:right}.mobile-input-btn svg.old{width:24px;height:24px}.mobile-message-input.old{flex:1;min-height:40px;max-height:120px;padding:.75rem 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svg{color:#fff}.mobile-call-container h2{text-align:center;padding:1.5rem;font-size:1.35rem;font-weight:600;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.5)}.mobile-call-container p{text-align:center;color:#ffffffb3;margin-bottom:1rem;font-size:1rem}.mobile-call-video-container{flex:1;position:relative;background:#000;overflow:hidden}.mobile-call-video-container video{width:100%;height:100%;object-fit:cover}#mobile-local-video{position:absolute;top:1rem;right:1rem;width:110px;height:155px;border-radius:16px;box-shadow:0 8px 24px #00000080;border:2px solid rgba(255,255,255,.1);z-index:10;transition:all .3s ease}#mobile-local-video:active{transform:scale(1.05)}.mobile-call-controls{display:flex;justify-content:center;align-items:center;gap:1.5rem;padding:2rem;background:#0f172af2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.05)}.mobile-control-btn{width:60px;height:60px;border-radius:50%;border:none;background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.mobile-control-btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:#fff3;transform:translate(-50%,-50%);transition:width .6s,height .6s}.mobile-control-btn:active:before{width:200px;height:200px}.mobile-control-btn:active{transform:scale(.92)}.mobile-control-btn:hover{background:#ffffff26}.mobile-control-btn.active{background:var(--primary);box-shadow:0 0 20px #3b82f680}.mobile-control-btn.end-call{background:linear-gradient(135deg,#ef4444,#dc2626);width:68px;height:68px;box-shadow:0 10px 25px -5px #ef444480}.mobile-control-btn.end-call:hover{box-shadow:0 15px 35px -5px #ef444499}.mobile-control-btn svg{width:26px;height:26px;position:relative;z-index:1}.mobile-call-floating{position:fixed;bottom:80px;right:16px;width:280px;background:var(--bg-secondary);border-radius:16px;box-shadow:0 8px 32px var(--shadow);z-index:9999;display:none;animation:slideUp .3s ease-out}.mobile-call-floating.active{display:block}.mobile-call-floating-header{padding:1rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);cursor:pointer;-webkit-user-select:none;user-select:none}.mobile-call-floating-info{flex:1;min-width:0}.mobile-call-floating-name{font-weight:600;font-size:.9rem;margin-bottom:.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-call-floating-status{font-size:.75rem;color:var(--text-muted)}.mobile-call-floating-actions{display:flex;gap:.5rem}.mobile-call-floating-btn{width:36px;height:36px;border-radius:50%;border:none;background:var(--bg-tertiary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}.mobile-call-floating-btn:active{transform:scale(.9)}.mobile-call-floating-btn.expand{background:var(--primary)}.mobile-call-floating-btn.end{background:var(--danger)}.mobile-call-floating-btn svg{width:18px;height:18px}.mobile-call-floating-video{position:relative;width:100%;height:160px;background:#000;overflow:hidden}.mobile-call-floating-video video{width:100%;height:100%;object-fit:cover}.mobile-call-floating-video 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0;z-index:10000;transform:translateY(100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}.mobile-message-context-menu.active{transform:translateY(0)}.mobile-context-menu-header{padding:1rem 1.5rem;border-bottom:1px solid var(--border);font-size:.875rem;color:var(--text-muted)}.mobile-context-menu-item{padding:1rem 1.5rem;cursor:pointer;display:flex;align-items:center;gap:1rem;color:var(--text-primary);font-size:1rem;transition:background .1s}.mobile-context-menu-item:active{background:var(--bg-hover)}.mobile-context-menu-item svg{width:24px;height:24px;stroke:currentColor}.mobile-context-menu-item.danger{color:var(--danger)}.mobile-context-menu-separator{height:1px;background:var(--border);margin:.5rem 0}.mobile-context-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:9999;opacity:0;pointer-events:none;transition:opacity .3s}.mobile-context-overlay.active{opacity:1;pointer-events:all}.mobile-message-video-circle{position:relative;margin:.25rem 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solid rgba(255,255,255,.12);pointer-events:none}.mobile-video-circle-play-btn:active{background:#000000bf;transform:translate(-50%,-50%) scale(.92)}.mobile-video-circle-play-btn svg{width:22px;height:22px}.mobile-video-circle-pause-btn{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:50%;background:#0000008c;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:none;color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;z-index:10;opacity:0}.mobile-video-circle-pause-btn svg{width:20px;height:20px}.mobile-message-video-circle.playing .mobile-video-circle-container{border-color:#22c55e;animation:mobileCircleGlow 2s ease-in-out infinite}@keyframes mobileCircleGlow{0%,to{box-shadow:0 6px 24px #0006}50%{box-shadow:0 6px 24px #0006,0 0 0 4px #22c55e1a}}.mobile-message-video-circle.playing 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ease;-webkit-user-select:none;user-select:none;min-height:36px;min-width:50px}.mobile-message-reaction:active{transform:scale(.95);background:#fff3}.mobile-message-reaction.my-reaction{background:var(--primary);border-color:var(--primary);color:#fff}.mobile-message-reaction.my-reaction:active{background:var(--primary-dark);border-color:var(--primary-dark)}.mobile-reaction-emoji{font-size:1.2rem;line-height:1}.mobile-reaction-count{font-size:.875rem;font-weight:600;min-width:1ch;text-align:center}.mobile-reaction-picker{position:fixed;bottom:0;left:0;right:0;z-index:10000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.mobile-reaction-picker-content{background:var(--bg-secondary);border-top:1px solid var(--border);border-radius:20px 20px 0 0;padding:1.5rem;margin:0 10px;box-shadow:0 -4px 20px #0000004d}.mobile-reaction-picker-emojis{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:1rem}.mobile-reaction-emoji-btn{background:#ffffff1a;border:1px solid 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highlightPulse{0%,to{background:transparent}50%{background:#6366f14d}}.mobile-settings-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:10000;display:flex;align-items:flex-end;opacity:0;transition:opacity .2s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.mobile-settings-overlay.show{opacity:1}.mobile-settings-panel,.mobile-settings-modal{width:100%;max-height:85vh;background:var(--bg-primary, #1a1a2e);border-radius:20px 20px 0 0;overflow-y:auto;transform:translateY(100%);transition:transform .3s cubic-bezier(.32,.72,0,1);padding-bottom:env(safe-area-inset-bottom,20px)}.mobile-settings-overlay.show .mobile-settings-panel,.mobile-settings-overlay.show .mobile-settings-modal{transform:translateY(0)}.mobile-settings-header{display:flex;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border, rgba(255,255,255,.1));position:sticky;top:0;background:var(--bg-primary, #1a1a2e);z-index:1}.mobile-settings-header 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12px}.mobile-conversation-item.unread .mobile-conversation-name{font-weight:700}.mobile-conversation-item.unread .mobile-conversation-message{color:var(--text-primary, #fff);font-weight:500}.mobile-message-voice-circle{position:relative;margin:.25rem 0;display:flex}.mobile-voice-circle-container{position:relative;width:min(45vw,140px);height:min(45vw,140px);border-radius:50%;overflow:hidden;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);cursor:pointer;aspect-ratio:1 / 1;flex-shrink:0;box-shadow:0 4px 16px #0000004d;transition:all .2s;display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px solid var(--primary)}.mobile-message.outgoing 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ease}.mobile-video-circle-fullscreen-modal.active{opacity:1;pointer-events:all}.mobile-video-circle-fullscreen-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;background:#000000d9;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.mobile-video-circle-fullscreen-content{position:relative;z-index:10001;width:min(85vw,380px);height:min(85vw,380px);display:flex;align-items:center;justify-content:center;transform:scale(.8);transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.mobile-video-circle-fullscreen-modal.active .mobile-video-circle-fullscreen-content{transform:scale(1)}.mobile-video-circle-fullscreen-player{width:100%;height:100%;border-radius:50%;object-fit:cover;box-shadow:0 8px 32px #00000080;border:3px solid rgba(255,255,255,.1)}.mobile-video-circle-fullscreen-close{position:absolute;top:-50px;right:0;width:40px;height:40px;border-radius:50%;background:#ffffff26;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;z-index:10002}.mobile-video-circle-fullscreen-close:active{transform:scale(.9);background:#ffffff40}.mobile-video-circle-fullscreen-close svg{width:20px;height:20px}.mobile-video-circle-fullscreen-time{position:absolute;bottom:-40px;left:50%;transform:translate(-50%);color:#fff;font-size:.95rem;font-weight:600;text-shadow:0 2px 8px rgba(0,0,0,.5);background:#0000004d;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:6px 14px;border-radius:12px}.mobile-message.pending{opacity:.7;position:relative}.mobile-message.pending:after{content:"";position:absolute;bottom:8px;right:8px;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fffc;border-radius:50%;animation:messageSpinning .8s linear infinite}@keyframes messageSpinning{to{transform:rotate(360deg)}}.mobile-message.failed{opacity:.6;position:relative}.mobile-message.failed:after{content:"⚠";position:absolute;bottom:8px;right:8px;font-size:14px;color:#ef4444}.mobile-message-status{display:inline-flex;align-items:center;gap:3px;margin-left:4px;font-size:.7rem;color:var(--text-muted)}.mobile-message.outgoing .mobile-message-status{color:#ffffffb3}.mobile-message-status svg{width:14px;height:14px;fill:currentColor}.mobile-message-status.sending{color:#ffffff80}.mobile-message-status.sent{color:#fff9}.mobile-message-status.read{color:#10b981}.mobile-media-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border:3px solid rgba(255,255,255,.2);border-top-color:#fffc;border-radius:50%;animation:messageSpinning .8s linear infinite;z-index:10}.mobile-message-media.loading{position:relative;opacity:.7}.mobile-message-media.loading:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:#0000004d;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:5}