.login-root{display:flex;height:100vh;width:100vw;overflow:hidden;background:transparent;position:relative;z-index:1}.particle-canvas{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0}.login-left{flex:1;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;background:transparent;border-right:1px solid rgba(99,179,237,.08)}@media(max-width:760px){.login-left{display:none}.login-right{width:100%}}.radar-wrapper{position:relative;width:min(460px,90%);aspect-ratio:1;display:flex;align-items:center;justify-content:center}.radar-canvas{width:100%;height:100%;display:block;border-radius:50%}.radar-label{position:absolute;bottom:-48px;left:50%;transform:translate(-50%);text-align:center;white-space:nowrap}.radar-label-main{display:block;font-size:1.1rem;font-weight:700;color:#63b3ed;letter-spacing:.12em;text-transform:uppercase}.radar-label-sub{display:block;font-size:.72rem;color:#94a3b8b3;letter-spacing:.08em;margin-top:2px}.login-right{width:460px;display:flex;align-items:center;justify-content:center;z-index:1;padding:2rem;background:transparent}.login-card{width:100%;max-width:380px;background:#0d1117bf;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid rgba(99,179,237,.12);border-radius:16px;padding:2.2rem}.login-logo{display:flex;align-items:center;gap:.75rem;margin-bottom:2.5rem}.login-logo-icon{width:44px;height:44px;background:linear-gradient(135deg,#1a3a5c,#0d2137);border:1px solid rgba(99,179,237,.3);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.4rem}.login-logo-text{display:flex;flex-direction:column}.login-title{font-size:1.25rem;font-weight:700;color:#e2e8f0;line-height:1.2}.login-subtitle{font-size:.72rem;color:#94a3b8b3;letter-spacing:.05em;text-transform:uppercase}.login-heading{font-size:1.8rem;font-weight:700;color:#e2e8f0;margin:0 0 .5rem}.login-desc{font-size:.9rem;color:#94a3b8b3;margin:0 0 2rem}.login-form{display:flex;flex-direction:column;gap:1.1rem}.login-field{display:flex;flex-direction:column;gap:.4rem}.login-field label{font-size:.8rem;font-weight:600;color:#94a3b8e6;letter-spacing:.04em;text-transform:uppercase}.login-field input{background:#63b3ed0d;border:1px solid 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solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-hint{margin-top:1.5rem;font-size:.78rem;color:#94a3b873;text-align:center}.login-hint code{color:#94a3b8b3;background:#ffffff0d;padding:.1em .3em;border-radius:3px}.sidebar-overlay{display:none}.sidebar{width:var(--sidebar-width);height:100vh;background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;transition:width .2s ease,opacity .2s ease;overflow:hidden;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:relative;z-index:10}.sidebar.closed{width:0;border-right:none}.sidebar-top{padding:12px;border-bottom:1px solid var(--border)}.new-chat-btn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-secondary);font-size:13px;transition:all .15s ease}.new-chat-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-focus)}.sidebar-conversations{flex:1;overflow-y:auto;padding:8px}.sidebar-empty{display:flex;align-items:center;justify-content:center;padding:40px 16px}.sidebar-empty-text{color:var(--text-muted);font-size:13px}.conv-group{margin-bottom:8px}.conv-group-label{padding:6px 12px;font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.conv-item{display:flex;align-items:center;padding:8px 12px;border-radius:var(--radius-md);cursor:pointer;transition:background .1s ease;gap:8px}.conv-item:hover{background:var(--bg-hover)}.conv-item.active{background:var(--bg-active)}.conv-title{flex:1;font-size:13px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-item.active 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ease;flex-shrink:0}.cleanup-btn:hover{background:var(--bg-hover);border-color:var(--border-focus);color:var(--text-primary)}@media(max-width:768px){.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:40}.sidebar{position:fixed;left:0;top:0;z-index:50}.sidebar.closed{transform:translate(-100%);width:var(--sidebar-width)}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}:root{--bg-root: transparent;--bg-surface: rgba(13, 17, 26, .88);--bg-elevated: rgba(20, 26, 38, .92);--bg-hover: rgba(30, 38, 55, .85);--bg-active: rgba(35, 45, 65, .9);--bg-input: rgba(18, 24, 36, .95);--bg-code: rgba(10, 14, 22, .98);--bg-sidebar: rgba(10, 13, 20, .88);--text-primary: #f0f4ff;--text-secondary: #94a3b8;--text-tertiary: #64748b;--text-muted: #475569;--border: rgba(99, 179, 237, .12);--border-light: rgba(99, 179, 237, .07);--border-focus: rgba(99, 179, 237, .45);--accent: #ffffff;--accent-dim: #a1a1aa;--success: #22c55e;--error: #ef4444;--warning: #eab308;--info: #3b82f6;--sidebar-width: 260px;--header-height: 52px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0,0,0,.4);--shadow-md: 0 4px 12px rgba(0,0,0,.5);--shadow-lg: 0 8px 32px rgba(0,0,0,.6)}html,body,#root{width:100%;height:100%;overflow:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-root);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:14px;line-height:1.5}code,pre,.mono{font-family:JetBrains Mono,Fira Code,Consolas,monospace}a{color:var(--text-primary);text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#333;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#444}.app{display:flex;height:100vh;width:100vw;overflow:hidden;background:transparent;position:relative;z-index:1}.app-body{display:flex;flex:1;overflow:hidden}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0;background:#0a0d14d1;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-left:1px solid rgba(99,179,237,.07);position:relative;z-index:2}.page-with-topbar{display:flex;flex-direction:column;height:100%;overflow:hidden}.page-topbar{display:flex;align-items:center;gap:.9rem;padding:0 1.2rem;height:var(--header-height);border-bottom:1px solid var(--border);background:#0a0a0ab3;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-shrink:0}.topbar-menu-btn{background:none;border:none;color:var(--text-secondary);display:flex;align-items:center;padding:4px;border-radius:var(--radius-sm);transition:color .15s,background .15s}.topbar-menu-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.page-topbar-title{font-size:.95rem;font-weight:600;color:var(--text-primary)}.page-scroll{flex:1;overflow-y:auto}.toast-stack{position:fixed;bottom:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}.toast{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;animation:toastIn .2s ease;box-shadow:var(--shadow-md)}.toast-success{border-left:3px solid var(--success)}.toast-error{border-left:3px solid var(--error)}.toast-warning{border-left:3px solid var(--warning)}.toast-info{border-left:3px solid var(--info)}@keyframes toastIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.auth-spinner{width:22px;height:22px;border:2px solid rgba(99,179,237,.2);border-top-color:#63b3ed;border-radius:50%;animation:authSpin .8s linear infinite}@keyframes authSpin{to{transform:rotate(360deg)}}