:root{--bg-gradient: linear-gradient(135deg, #0f1219 0%, #1a1f2e 40%, #0d1117 100%);--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .06);--glass-hover: rgba(255, 255, 255, .07);--accent: #6b4cff;--accent-hover: #8369ff;--accent-glow: rgba(107, 76, 255, .15);--text-main: #f1f5f9;--text-muted: #64748b;--text-dim: #475569;--danger: #ef4444;--success: #10b981;--success-glow: rgba(16, 185, 129, .2);--warning: #f59e0b;--surface: rgba(15, 18, 25, .6)}*{box-sizing:border-box;margin:0;padding:0;font-family:Outfit,sans-serif}html,body,#root{height:100%;overflow:hidden}body{background:var(--bg-gradient);color:var(--text-main)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--glass-border);border-radius:4px}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:0 8px 32px 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.2s}.user-card:hover{background:var(--glass-hover)}.user-avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.82rem;text-transform:uppercase;flex-shrink:0;color:#fff}.flex-center{display:flex;align-items:center;justify-content:center}.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-shell{height:100vh;height:100dvh;display:flex;overflow:hidden;position:relative}.sidebar-container{width:300px;min-width:280px;border-right:1px solid var(--glass-border);display:flex;flex-direction:column;background:var(--surface);flex-shrink:0}.sidebar-header{padding:18px 18px 14px;border-bottom:1px solid var(--glass-border)}.sidebar-scroll{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.sidebar-section{padding:12px}.sidebar-nav-cards{display:none}.sidebar-bottom{padding:10px 12px;border-top:1px solid 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rgba(107,76,255,.2)!important;border-radius:14px!important;padding:14px 16px!important;transition:all .2s ease}.sidebar-nav-cards .user-card:active{transform:scale(.97);background:#6b4cff26!important}.main-chat-container{width:100%;min-width:100%}.mobile-back-btn{display:flex}.user-card{padding:14px 18px;gap:14px;min-height:56px;border-radius:14px;transition:all .15s ease}.user-card:active{transform:scale(.98);background:#6b4cff1a}.user-avatar{width:44px;height:44px;font-size:.92rem;box-shadow:0 2px 8px #0000004d}.tab-btn{padding:14px 10px;font-size:.8rem}.primary-btn{min-height:46px;border-radius:14px}.input-field{font-size:16px;border-radius:14px;padding:14px 16px}.user-id-box{border-radius:12px;padding:10px 14px}.msg-bubble{max-width:82%!important}.chat-messages-area{padding:14px 16px!important;gap:6px!important}.chat-input-bar{padding:12px 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