:root{font-family:Outfit,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;--bg-base: radial-gradient(circle at 50% 50%, #11131e 0%, #06070a 100%);--bg-surface: rgba(18, 20, 32, .45);--bg-surface-hover: rgba(30, 34, 54, .6);--bg-surface-active: rgba(40, 45, 75, .7);--border-glass: rgba(255, 255, 255, .06);--border-glass-glow: rgba(99, 102, 241, .3);--primary: #6366f1;--primary-glow: rgba(99, 102, 241, .4);--primary-hover: #4f46e5;--accent: #d946ef;--success: #10b981;--success-glow: rgba(16, 185, 129, .4);--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--shadow-glow: 0 8px 32px 0 rgba(0, 0, 0, .37);--blur-amount: 16px;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.light-theme{color-scheme:light;--bg-base: radial-gradient(circle at 50% 50%, #f8fafc 0%, #e2e8f0 100%);--bg-surface: rgba(255, 255, 255, .65);--bg-surface-hover: rgba(0, 0, 0, .05);--bg-surface-active: rgba(0, 0, 0, .09);--border-glass: rgba(0, 0, 0, .08);--border-glass-glow: rgba(99, 102, 241, .15);--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--shadow-glow: 0 8px 32px 0 rgba(0, 0, 0, .08)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-base);color:var(--text-primary);min-height:100vh;overflow:hidden;transition:background .3s ease,color .3s ease}#root{height:100vh;width:100vw;display:flex;align-items:center;justify-content:center}.glass-panel{background:var(--bg-surface);backdrop-filter:blur(var(--blur-amount));-webkit-backdrop-filter:blur(var(--blur-amount));border:1px solid var(--border-glass);border-radius:24px;box-shadow:var(--shadow-glow)}.app-container{display:flex;width:95vw;height:90vh;max-width:1400px;max-height:900px;overflow:hidden;position:relative;transition:all .3s ease}@media (max-width: 768px){.app-container{width:100vw;height:100vh;max-height:100vh;border-radius:0;border:none}}.auth-wrapper{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;padding:24px}.auth-card{width:100%;max-width:420px;padding:40px;text-align:center;position:relative;overflow:hidden}.auth-card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(99,102,241,.1) 0%,transparent 60%);pointer-events:none;z-index:0}.logo-glow{width:90px;height:90px;margin:0 auto 24px;background:linear-gradient(135deg,var(--primary) 0%,var(--accent) 100%);border-radius:22px;display:flex;align-items:center;justify-content:center;box-shadow:0 0 30px var(--primary-glow);animation:float 4s ease-in-out infinite}.logo-glow svg{width:48px;height:48px;fill:#fff}.auth-card h1{font-size:28px;font-weight:700;margin-bottom:8px;letter-spacing:-.5px}.auth-card p{color:var(--text-secondary);font-size:14px;margin-bottom:32px}.input-group{position:relative;margin-bottom:20px;text-align:left}.input-label{display:block;font-size:12px;font-weight:600;text-transform:uppercase;color:var(--text-muted);margin-bottom:8px;letter-spacing:.5px}.text-input{width:100%;background:#ffffff0a;border:1px solid var(--border-glass);border-radius:12px;padding:14px 16px;color:var(--text-primary);font-size:16px;font-family:inherit;transition:all .3s cubic-bezier(.4,0,.2,1)}.text-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow);background:#ffffff12}.btn-primary{width:100%;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-hover) 100%);border:none;border-radius:12px;padding:14px 24px;color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px 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var(--border-glass);display:flex;align-items:center;justify-content:space-between;gap:12px}.user-profile{display:flex;align-items:center;gap:12px}.avatar{width:44px;height:44px;border-radius:50%;background:#27272a;border:2px solid var(--border-glass);position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar.online:after{content:"";position:absolute;bottom:0;right:0;width:12px;height:12px;background-color:var(--success);border:2px solid #11131e;border-radius:50%;box-shadow:0 0 10px var(--success-glow)}.user-info .username{font-weight:600;font-size:16px;color:var(--text-primary)}.user-info .status{font-size:12px;color:var(--text-muted)}.sidebar-search{padding:12px 20px;border-bottom:1px solid var(--border-glass)}.search-input-wrapper{position:relative}.search-input-wrapper svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;fill:var(--text-muted)}.search-input{width:100%;background:#ffffff08;border:1px solid var(--border-glass);border-radius:10px;padding:10px 12px 10px 38px;color:var(--text-primary);font-size:14px;font-family:inherit;transition:all .2s ease}.search-input:focus{outline:none;background:#ffffff0d;border-color:var(--primary-glow)}.sidebar-list-container{flex-grow:1;overflow-y:auto;padding:8px 12px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff14;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#ffffff26}.section-title{font-size:11px;font-weight:700;text-transform:uppercase;color:var(--text-muted);letter-spacing:.8px;margin:12px 8px 6px}.list-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;cursor:pointer;transition:all .2s 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var(--border-glass-glow);display:flex;flex-direction:column;gap:10px}.push-banner-text{font-size:12px;color:var(--text-primary);line-height:1.4}.push-banner-btn{width:100%;background:var(--primary);border:none;border-radius:8px;padding:8px;color:#fff;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s ease}.push-banner-btn:hover{background:var(--primary-hover)}.chat-header{padding:16px 24px;border-bottom:1px solid var(--border-glass);display:flex;align-items:center;justify-content:space-between;background:#0a0b1033}.chat-header-info{display:flex;align-items:center;gap:12px}.back-btn{display:none;background:none;border:none;padding:8px;cursor:pointer;margin-right:4px}.back-btn svg{width:20px;height:20px;fill:var(--text-secondary)}@media (max-width: 768px){.back-btn{display:block}}.chat-header-title{font-weight:600;font-size:16px}.chat-header-status{font-size:12px;color:var(--text-muted)}.chat-header-status.online{color:var(--success)}.messages-container{flex-grow:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.message-row{display:flex;flex-direction:column;max-width:70%;align-self:flex-start;animation:slideIn .25s ease-out}.message-row.mine{align-self:flex-end}.message-sender{font-size:11px;font-weight:600;color:var(--primary);margin-bottom:4px;margin-left:8px}.message-bubble{padding:12px 18px;border-radius:18px;background:#ffffff0a;border:1px solid var(--border-glass);color:var(--text-primary);font-size:15px;line-height:1.45;position:relative;word-break:break-word;box-shadow:0 2px 8px #0000001a}.message-row.mine .message-bubble{background:linear-gradient(135deg,var(--primary) 0%,#4338ca 100%);border:none;box-shadow:0 4px 12px 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slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{width:90%;max-width:480px;padding:30px;position:relative;display:flex;flex-direction:column;gap:16px}.modal-title{font-size:20px;font-weight:600}.user-checkbox-list{max-height:200px;overflow-y:auto;display:flex;flex-direction:column;gap:8px;margin:12px 0}.checkbox-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:8px;cursor:pointer;background:#ffffff05;border:1px solid var(--border-glass)}.checkbox-item:hover{background:#ffffff0d}.checkbox-item 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ease}.install-banner:hover{background:#ffffff0d}.install-banner-text{font-size:12px;color:var(--text-secondary)}.install-banner-btn{background:var(--primary);color:#fff;border:none;border-radius:8px;padding:8px;font-size:12px;font-weight:600;cursor:pointer;transition:all .2s ease}.install-banner-btn:hover{background:var(--primary-hover)}.warning-badge{background:#ef444426;border:1px solid rgba(239,68,68,.3);color:#ef4444;padding:8px 12px;border-radius:10px;font-size:11px;line-height:1.4;margin:8px}