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rgba(255, 255, 255, .08);--glass-border-light: rgba(255, 255, 255, .16);--glass-shadow: 0 14px 48px rgba(0, 0, 0, .62);--glass-blur: blur(18px) saturate(115%);--glass-inner: inset 0 1px 0 rgba(255, 255, 255, .06);--accent-primary: #ffffff;--accent-secondary: #cfcfcf;--accent-light: #f4f4f4;--accent-dark: #d7d7d7;--accent-glow: rgba(255, 255, 255, .14);--accent-gradient: linear-gradient(135deg, #ffffff 0%, #d6d6d6 100%);--text-primary: #ffffff;--text-secondary: #c2c2c2;--text-muted: #7f7f7f;--text-on-accent: #050505;--shadow-glow: 0 0 24px rgba(255, 255, 255, .08);--shadow-xs: 0 1px 3px rgba(0, 0, 0, .25);--shadow-sm: 0 3px 10px rgba(0, 0, 0, .3);--shadow-md: 0 10px 22px rgba(0, 0, 0, .34);--shadow-lg: 0 16px 36px rgba(0, 0, 0, .42);--shadow-xl: 0 24px 52px rgba(0, 0, 0, .5);--shadow-glass: 0 12px 42px rgba(0, 0, 0, .58), inset 0 1px 0 rgba(255, 255, 255, .08);font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.premium-theme,.premium-theme body,.premium-theme button,.premium-theme input,.premium-theme textarea,.premium-theme select{font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.modal,.invite-modal,.modal-overlay{position:fixed!important;inset:0;display:flex!important;align-items:center!important;justify-content:center!important;z-index:2000!important;background:#0408128c!important;backdrop-filter:blur(14px) saturate(160%)!important;-webkit-backdrop-filter:blur(14px) saturate(160%)!important;animation:fadeInOverlay .2s ease}@keyframes fadeInOverlay{0%{opacity:0}to{opacity:1}}.glass-card{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-top:1px solid var(--glass-border-light);border-left:1px solid var(--glass-border-light);border-radius:var(--radius-card);box-shadow:var(--shadow-glass);transition:all var(--transition-normal)}.glass-card:hover{transform:translateY(-4px) 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.message-bubble{background:var(--accent-gradient);color:#fff;border-bottom-right-radius:5px;box-shadow:0 4px 16px var(--accent-glow)}.dark-mode .sent .message-bubble{background:var(--accent-gradient);box-shadow:0 4px 20px var(--accent-glow)}.message-meta{font-size:.65rem;margin-top:3px;color:var(--text-muted);font-weight:400}.sent .message-meta{text-align:right}.input-area{padding:10px 16px 14px;background:var(--bg-surface);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--glass-border)}.input-container{background:var(--glass-bg);backdrop-filter:blur(24px) saturate(160%);-webkit-backdrop-filter:blur(24px) saturate(160%);border-radius:var(--radius-full);display:flex;align-items:center;padding:8px 8px 8px 16px;gap:10px;transition:all var(--transition-fast);border:1px solid var(--glass-border);border-top-color:var(--glass-border-light);border-left-color:var(--glass-border-light);box-shadow:0 2px 12px #0a3c8c0f}.input-container:focus-within{border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-glow),0 4px 16px #0a3c8c14}.input-container input{flex:1;border:none;background:transparent;outline:none;font-family:inherit;font-size:.9rem;font-weight:400;color:var(--text-primary)}.action-btn{width:32px;height:32px;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;color:var(--slate-600);transition:all .2s;border:1px solid var(--slate-200);background:linear-gradient(140deg,var(--white),var(--slate-50));cursor:pointer}.action-btn:hover{color:var(--accent-dark);background:linear-gradient(140deg,var(--slate-50),var(--slate-50));border-color:var(--slate-200);transform:translateY(-1px) scale(1.02)}.action-btn:active{transform:translateY(0) scale(.98)}.action-btn:focus-visible{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--slate-200)}.action-btn:disabled{opacity:.55;cursor:not-allowed}.action-btn svg{stroke-width:2}.send-btn-circle{width:38px;height:38px;border-radius:50%;background-color:var(--bg-elevated);border:none;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-fast)}.send-btn-circle.active{background:var(--accent-primary);color:#fff;box-shadow:var(--shadow-md)}.send-btn-circle:hover.active{background:var(--accent-dark);transform:scale(1.05)}.auth-container{min-height:100vh;width:100vw;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg-app);position:relative;overflow:hidden}.auth-card{width:min(440px,100%);background:var(--glass-bg);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);border:1px solid var(--glass-border);border-top:1px solid var(--glass-border-light);border-left:1px solid var(--glass-border-light);border-radius:var(--radius-modal);box-shadow:var(--shadow-glass);padding:44px 40px;display:flex;flex-direction:column;gap:20px;animation:springIn .38s var(--spring) both;position:relative;z-index:2}.auth-blob{display:none}.auth-logo{width:56px;height:56px;border-radius:var(--radius-lg);background:var(--accent-primary);color:#fff;font-weight:700;font-size:24px;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 8px 24px #3b82f64d;align-self:center;margin-bottom:8px}.auth-heading{font-size:1.5rem;color:var(--text-primary);text-align:center;font-weight:700;margin-bottom:4px;letter-spacing:-.02em}.auth-subtitle{text-align:center;color:var(--text-muted);font-weight:400;font-size:.875rem;margin-bottom:16px}.auth-alert{padding:12px 14px;background:#ef444426;border:1px solid rgba(239,68,68,.3);color:var(--error);border-radius:var(--radius-md);font-weight:500}.auth-form{display:flex;flex-direction:column;gap:16px}.input-label{display:block;font-size:.75rem;font-weight:500;margin-bottom:6px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.input-group input{width:100%;padding:12px 16px;border:1px solid rgba(255,255,255,.1);background:#0f172a99;border-radius:var(--radius-md);font-family:inherit;font-size:.9rem;color:#f8fafc;transition:all var(--transition-fast)}.input-group input:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 3px #3b82f633}.input-group input::placeholder{color:#64748b}.auth-actions{display:flex;justify-content:flex-end;margin-top:-8px}.auth-link{background:transparent;border:none;padding:0;color:var(--accent-primary);font-weight:500;cursor:pointer;transition:opacity var(--transition-fast)}.auth-link:hover{opacity:.8}.auth-link.strong{color:var(--accent-primary);font-weight:600}.auth-btn{width:100%;padding:14px;background:var(--accent-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;cursor:pointer;transition:all var(--transition-fast);box-shadow:0 4px 12px #3b82f64d}.auth-btn:hover:not(:disabled){background:var(--accent-dark);box-shadow:0 6px 16px #3b82f666}.auth-btn:disabled{opacity:.7;cursor:wait}.auth-footer{font-size:.875rem;color:var(--text-muted);font-weight:400;text-align:center;margin-top:8px}.call-overlay{position:fixed;inset:0;background:#0f172ae6;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out}.call-card{background:var(--bg-surface);padding:40px;border-radius:var(--radius-xl);text-align:center;width:100%;max-width:340px;box-shadow:var(--shadow-xl);border:1px solid var(--glass-border)}.call-avatar-large{width:100px;height:100px;background:var(--accent-primary);border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;font-size:40px;color:#fff;font-weight:700;box-shadow:var(--shadow-lg);animation:pulse-subtle 2s infinite ease-in-out}.call-user-name{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:6px}.call-status{font-weight:500;color:var(--text-secondary);margin-bottom:32px;text-transform:uppercase;letter-spacing:2px;font-size:.8rem}.call-controls{display:flex;justify-content:center;gap:20px}.control-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;transition:all var(--transition-fast);box-shadow:var(--shadow-md)}.control-btn svg{stroke-width:2}.control-btn:hover{transform:scale(1.05)}.mobile-back-btn{display:none;background:transparent;border:none;color:var(--text-secondary);margin-right:12px;cursor:pointer;padding:4px;border-radius:50%}.mobile-back-btn:active{background:var(--bg-elevated)}.call-overlay.video-mode{position:fixed;inset:0;background:#0f0f12;z-index:2000;display:flex;flex-direction:column;animation:fadeIn .2s ease-out}.call-header{height:56px;background:#0f0f12f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:space-between;padding:0 20px;flex-shrink:0}.call-info-badge{background:#ffffff14;padding:6px 12px;border-radius:var(--radius-full);font-size:.8rem;color:var(--text-muted);display:flex;align-items:center;gap:8px;font-weight:500}.pulsing-dot{width:8px;height:8px;background-color:#22c55e;border-radius:50%;animation:pulse-subtle 2s infinite ease-in-out}.call-grid{flex:1;position:relative;overflow:hidden;background:#0a0a0c;display:flex;align-items:center;justify-content:center;padding:16px}.video-wrapper-remote{width:100%;height:100%;background:#0a0a0c;border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:0 8px 32px #00000080;display:flex;align-items:center;justify-content:center}.video-wrapper-remote video{width:100%;height:100%}.video-wrapper-local{position:absolute;bottom:120px;right:24px;width:180px;height:240px;background:#0a0a0c;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 12px 48px #0009;border:1px solid rgba(255,255,255,.12);transition:all var(--transition-normal);z-index:100!important}.video-wrapper-local:hover{transform:scale(1.02)}.video-wrapper-local video{width:100%;height:100%}.call-controls-bar{height:80px;background:#0f0f12f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:center;gap:20px;flex-shrink:0;padding-bottom:env(safe-area-inset-bottom)}.call-controls-bar .control-btn{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast);position:relative;color:#fff;background:#2a2a30}.call-controls-bar .control-btn:hover{background:#3a3a42}.call-controls-bar .control-btn:active{transform:scale(.95)}.control-btn.active{background:#fff;color:#0f0f12}.control-btn.danger{background:#ef4444!important;color:#fff!important}.control-btn.danger:hover{background:#dc2626!important}.control-btn.toggled-off{background:#2a2a30;color:#ef4444;position:relative}.control-btn.toggled-off:after{content:"";position:absolute;top:50%;left:50%;width:2px;height:70%;background:#ef4444;transform:translate(-50%,-50%) rotate(45deg)}.incoming-call-card{position:fixed;right:20px;bottom:20px;display:flex;align-items:center;gap:12px;background:var(--glass-bg);backdrop-filter:blur(28px) saturate(160%);-webkit-backdrop-filter:blur(28px) saturate(160%);padding:14px 16px;border-radius:var(--radius-card);border:1px solid var(--glass-border);border-top-color:var(--glass-border-light);box-shadow:var(--shadow-glass);z-index:1100;min-width:290px;animation:springUp .32s var(--spring) both}.call-notice{position:fixed;top:20px;left:50%;transform:translate(-50%);background:var(--glass-bg);backdrop-filter:blur(28px) saturate(160%);-webkit-backdrop-filter:blur(28px) saturate(160%);padding:14px 24px;border-radius:var(--radius-full);box-shadow:var(--shadow-glass);border:1px solid var(--glass-border);border-top-color:var(--glass-border-light);z-index:9999;font-weight:500;font-size:.9rem;color:var(--text-primary);display:flex;align-items:center;gap:12px;animation:toastSlideIn .3s var(--spring) both;max-width:90vw}.dark-mode .call-notice{background:#1e293b;border:1px solid rgba(255,255,255,.08)}@keyframes toastSlideIn{0%{opacity:0;transform:translate(-50%) translateY(-16px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.incoming-icon{width:40px;height:40px;border-radius:var(--radius-md);display:grid;place-items:center;background:var(--accent-primary);color:#fff}.incoming-content{flex:1;display:flex;flex-direction:column;gap:2px}.incoming-title{font-size:.75rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em}.incoming-name{font-size:.95rem;font-weight:600;color:var(--text-primary)}.incoming-actions{display:flex;gap:8px}.incoming-actions button{border:none;padding:8px 12px;border-radius:var(--radius-md);display:inline-flex;align-items:center;gap:6px;font-weight:500;cursor:pointer;box-shadow:var(--shadow-sm);transition:all var(--transition-fast)}.incoming-actions button:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-accept{background:#22c55e;color:#fff}.btn-reject{background:var(--bg-elevated);color:var(--text-primary)}.invite-modal-overlay{position:fixed;inset:0;background:#060a1280;backdrop-filter:blur(12px) saturate(160%);-webkit-backdrop-filter:blur(12px) saturate(160%);display:flex;align-items:center;justify-content:center;z-index:1100;animation:fadeIn .18s ease-out}.invite-modal{background:var(--glass-bg);backdrop-filter:blur(40px) saturate(180%);-webkit-backdrop-filter:blur(40px) saturate(180%);border-radius:var(--radius-modal);border:1px solid var(--glass-border);border-top-color:var(--glass-border-light);border-left-color:var(--glass-border-light);padding:32px;width:100%;max-width:400px;box-shadow:var(--shadow-glass);position:relative;animation:springIn .3s var(--spring) both}.modal-close{position:absolute;top:14px;right:14px;width:32px;height:32px;border-radius:50%;border:none;background:var(--bg-elevated);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.modal-close:hover{background:var(--bg-primary);color:var(--text-primary)}.modal-icon{width:56px;height:56px;background:var(--accent-primary);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;margin:0 auto 16px;box-shadow:0 4px 12px #3b82f64d}.invite-modal h2{text-align:center;font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:8px}.modal-desc{text-align:center;color:var(--text-secondary);font-size:.875rem;line-height:1.5;margin-bottom:24px}.generate-btn{width:100%;padding:14px 20px;background:var(--accent-primary);color:#fff;border:none;border-radius:var(--radius-md);font-size:.9rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all var(--transition-fast);box-shadow:0 4px 12px #3b82f64d}.generate-btn:hover:not(:disabled){background:var(--accent-dark)}.generate-btn:disabled{opacity:.7;cursor:not-allowed}.invite-result{animation:slideUp .2s ease-out}.link-box{display:flex;gap:8px;margin-bottom:12px}.link-box input{flex:1;padding:12px 14px;border:1px solid var(--glass-border);border-radius:var(--radius-md);font-size:.875rem;font-weight:500;color:var(--text-primary);background:var(--bg-elevated);outline:none}.link-box input:focus{border-color:var(--accent-primary)}.copy-btn{width:48px;border:1px solid var(--glass-border);border-radius:var(--radius-md);background:var(--bg-surface);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.copy-btn:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.copy-btn.copied{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.share-options{display:flex;gap:8px;margin-bottom:12px}.share-btn{flex:1;padding:10px 14px;border:none;border-radius:var(--radius-md);font-size:.85rem;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:all var(--transition-fast)}.share-btn.whatsapp{background:#22c55e;color:#fff}.share-btn.whatsapp:hover{background:#16a34a}.share-btn.new-link{background:var(--bg-elevated);color:var(--text-primary)}.share-btn.new-link:hover:not(:disabled){background:var(--bg-primary)}.share-btn:disabled{opacity:.6;cursor:not-allowed}.link-info{text-align:center;font-size:.75rem;color:var(--text-muted);padding:10px;background:var(--bg-elevated);border-radius:var(--radius-md)}.empty-state{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);background:transparent}.watermark-logo{width:80px;height:80px;border-radius:50%;background:var(--bg-elevated);display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:700;color:var(--text-muted);margin-bottom:16px}.empty-text{font-size:.95rem;color:var(--text-secondary);font-weight:400;text-align:center}.empty-chats{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 16px;text-align:center}.empty-chats-icon{width:64px;height:64px;background:var(--bg-elevated);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--text-muted);margin-bottom:16px}.empty-chats h3{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:6px}.empty-chats p{font-size:.875rem;color:var(--text-secondary);max-width:220px;line-height:1.5;margin-bottom:16px}.empty-chats-btn{padding:10px 16px;background:var(--accent-primary);color:#fff;border:none;border-radius:var(--radius-md);font-weight:500;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all var(--transition-fast)}.empty-chats-btn:hover{background:var(--accent-dark)}.auth-card-single{grid-template-columns:1fr;max-width:560px}.auth-card.glass{-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px)}@keyframes messageSlideIn{0%{opacity:0;transform:translateY(15px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes confettiFall{0%{transform:translateY(-50px) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}@keyframes popIn{0%{transform:scale(0);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}@keyframes scaleIn{0%{transform:scale(.92);opacity:0}to{transform:scale(1);opacity:1}}@keyframes springIn{0%{transform:scale(.9) translateY(10px);opacity:0}60%{transform:scale(1.03) translateY(-3px);opacity:1}to{transform:scale(1) translateY(0);opacity:1}}@keyframes springUp{0%{transform:translateY(20px) scale(.95);opacity:0}60%{transform:translateY(-4px) scale(1.01);opacity:1}to{transform:translateY(0) scale(1);opacity:1}}@keyframes typingDot{0%,60%,to{opacity:.3}30%{opacity:1}}@keyframes pulse{0%{transform:scale(1);opacity:1}50%{transform:scale(1.1);opacity:.7}to{transform:scale(1);opacity:1}}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}@keyframes shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-5px)}20%,40%,60%,80%{transform:translate(5px)}}@keyframes glow{0%{box-shadow:0 0 5px #22c55e80}50%{box-shadow:0 0 20px #22c55ecc,0 0 30px #22c55e66}to{box-shadow:0 0 5px #22c55e80}}.typing-dots{display:inline-flex;gap:2px}.typing-dots span{font-weight:700;font-size:1rem}.message-bubble:hover{transform:scale(1.02)}.recording-ring{animation:recordingPulse 1.5s infinite}@keyframes recordingPulse{0%{box-shadow:0 0 #ef444466}70%{box-shadow:0 0 0 15px #ef444400}to{box-shadow:0 0 #ef444400}}.reaction-emoji:hover{transform:scale(1.3);transition:transform .15s ease}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes sparkle{0%,to{opacity:0;transform:scale(0)}50%{opacity:1;transform:scale(1)}}@keyframes heartbeat{0%{transform:scale(1)}14%{transform:scale(1.3)}28%{transform:scale(1)}42%{transform:scale(1.3)}70%{transform:scale(1)}}@keyframes friendRequestPulse{0%{box-shadow:0 4px 16px #ef444466;transform:scale(1)}50%{box-shadow:0 4px 24px #ef444499,0 0 0 8px #ef44441a;transform:scale(1.05)}to{box-shadow:0 4px 16px #ef444466;transform:scale(1)}}@keyframes badgeBounce{0%{transform:scale(0);opacity:0}50%{transform:scale(1.3)}to{transform:scale(1);opacity:1}}@keyframes bellShake{0%,to{transform:rotate(0)}10%,30%,50%,70%,90%{transform:rotate(-10deg)}20%,40%,60%,80%{transform:rotate(10deg)}}.settings-view{flex:1;padding:24px;overflow-y:auto;background:var(--bg-primary);color:var(--text-primary)}.settings-header{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin-bottom:24px}.settings-card{background:var(--glass-bg);backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);border-radius:var(--radius-card);padding:20px;margin-bottom:16px;border:1px solid var(--glass-border);border-top-color:var(--glass-border-light);border-left-color:var(--glass-border-light);box-shadow:0 4px 20px #0a3c8c0f;transition:box-shadow var(--transition-fast)}.settings-card:hover{box-shadow:0 8px 28px #0a3c8c17}.settings-card-title{display:flex;align-items:center;gap:8px;font-size:.9rem;font-weight:600;color:var(--accent-primary);margin-bottom:16px}.settings-row{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--glass-border)}.settings-row-value{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap;min-width:min(100%,320px)}.settings-row:last-child{border-bottom:none}.settings-label{font-size:.875rem;color:var(--text-secondary);font-weight:500}.settings-input{flex:1;padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--glass-border);font-size:.9rem;outline:none;font-weight:400;background:var(--bg-elevated);color:var(--text-primary);transition:border-color var(--transition-fast)}.settings-input:focus{border-color:var(--accent-primary)}.settings-btn{padding:10px 16px;border-radius:var(--radius-md);border:none;background:var(--accent-primary);color:#fff;font-weight:500;font-size:.875rem;cursor:pointer;transition:background var(--transition-fast),transform var(--transition-fast),box-shadow var(--transition-fast);display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;white-space:nowrap;box-shadow:var(--shadow-xs)}.settings-btn:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.settings-btn:disabled{background:var(--text-muted);cursor:not-allowed;transform:none;box-shadow:none}.settings-search-container{display:flex;gap:8px;margin-bottom:12px;position:relative}.settings-user-card{display:flex;align-items:center;justify-content:space-between;padding:14px;background:var(--bg-elevated);border-radius:var(--radius-md);margin-bottom:8px;border:1px solid var(--glass-border)}.settings-user-avatar{width:40px;height:40px;border-radius:var(--radius-md);background:var(--accent-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:.9rem;box-shadow:var(--shadow-xs)}.settings-invite-box{margin-top:12px;padding:14px;background:var(--bg-elevated);border-radius:var(--radius-md);border:1px solid var(--glass-border)}@media(max-width:1240px){.topbar-actions{gap:8px}.chat-list-header-row{align-items:flex-start!important;flex-direction:column}.chat-list-actions{width:100%;margin-left:0!important;justify-content:flex-start!important}}@media(max-width:980px){.topbar-desktop{padding:0 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env(safe-area-inset-bottom,0px))!important;overflow-y:auto!important}.settings-row{flex-direction:column!important;align-items:stretch!important;gap:10px!important}.settings-row-value,.settings-search-container{width:100%!important;justify-content:flex-start!important}.settings-row-value>*{width:100%}.settings-row-value button,.settings-search-container button{width:100%}.calls-view,.calls-container{padding:16px!important;padding-bottom:calc(24px + env(safe-area-inset-bottom,0px))!important}.calls-grid{grid-template-columns:1fr!important;gap:16px!important}.chat-list-header-row{flex-direction:column!important;align-items:stretch!important}.chat-list-actions{width:100%;margin-left:0!important}.chat-list-action-btn{flex:1 1 0;justify-content:center}.chat-list-request-button{align-items:flex-start!important}.chat-list-request-copy{flex:1;min-width:0}.friend-requests-panel{padding:16px!important;max-height:90vh!important;overflow-y:auto!important;border-radius:20px 20px 0 0!important}.search-modal{padding:16px!important;max-height:90dvh!important}button,a,[role=button]{-webkit-tap-highlight-color:transparent;touch-action:manipulation}.sidebar-icon,.mobile-back-btn,.control-btn{min-width:44px;min-height:44px}*{-webkit-overflow-scrolling:touch}input[type=text],input[type=email],input[type=password],input[type=search],textarea{font-size:16px!important}.message-bubble p,.message-text{font-size:.9rem!important}.chat-list-item{min-height:64px}}@media screen and (max-width:380px){.chat-window header h3{font-size:.82rem!important;max-width:110px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-window .call-buttons button span{display:none!important}.control-btn{width:48px!important;height:48px!important}.sidebar-icon{width:52px!important;height:48px!important}.sidebar-icon-label{font-size:.52rem!important}}@media screen and (max-width:900px)and (orientation:landscape)and (pointer:coarse),screen and (max-width:900px)and (orientation:landscape)and (hover:none){.sidebar{height:calc(48px + env(safe-area-inset-bottom,0px))}.app-container>section,.app-container>div:not(.sidebar):not(.chat-window){height:calc(100dvh - 48px - env(safe-area-inset-bottom,0px))}.chat-list-panel,section.chat-list-panel{height:calc(100dvh - 48px - env(safe-area-inset-bottom,0px))}.call-controls-bar{height:64px!important;padding:8px 16px!important;padding-bottom:max(8px,env(safe-area-inset-bottom,0px))!important}.video-wrapper-local{width:80px!important;bottom:16px!important;right:16px!important}.control-btn{width:44px!important;height:44px!important}}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}