:root{color-scheme:light;--bg-primary:#f5f7fa;--bg-secondary:#fff;--bg-tertiary:#eef2f6;--bg-elevated:#fff;--bg-hover:#f3f4f6;--bg-active:#e5e7eb;--bg-selected:#2563eb14;--panel:#fff;--panel-hover:#f9fafb;--panel-active:#eff6ff;--panel-muted:#f9fafb;--border:#e5e7eb;--border-muted:#f3f4f6;--border-hover:#d1d5db;--border-focus:#2563eb;--text-primary:#111827;--text-secondary:#6b7280;--text-muted:#9ca3af;--text-disabled:#d1d5db;--text-inverse:#fff;--accent:#2563eb;--accent-hover:#1d4ed8;--accent-active:#1e40af;--accent-subtle:#2563eb14;--accent-border:#2563eb38;--danger:#dc2626;--danger-hover:#b91c1c;--danger-subtle:#dc262614;--warning:#d97706;--warning-subtle:#d977061a;--info:#0284c7;--info-subtle:#0284c714;--success:#059669;--success-hover:#047857;--success-subtle:#05966914;--color-neutral-0:#fff;--color-neutral-50:#f6f8fa;--color-neutral-100:#eaeef2;--color-neutral-200:#d0d7de;--color-neutral-300:#8c959f;--color-neutral-400:#6e7781;--color-neutral-500:#57606a;--color-neutral-600:#424a53;--color-neutral-700:#30363d;--color-neutral-800:#21262d;--color-neutral-900:#0d1117;--color-primary-50:#eff6ff;--color-primary-100:#dbeafe;--color-primary-200:#bfdbfe;--color-primary-300:#93c5fd;--color-primary-400:#60a5fa;--color-primary-500:var(--accent);--color-primary-600:var(--accent-active);--color-primary-700:#1d4ed8;--color-primary-800:#1e40af;--color-primary-900:#1e3a8a;--color-success:var(--success);--color-warning:var(--warning);--color-error:var(--danger);--color-info:var(--info);--border-color:var(--border);--accent-color:var(--accent);--accent-hover-color:var(--accent-hover);--accent-active-color:var(--accent-active);--text-tertiary:var(--text-muted);--arxis-darker:var(--bg-primary);--arxis-dark:var(--bg-secondary);--arxis-green:var(--success);--arxis-blue:var(--accent);--arxis-gray:var(--text-secondary);--sidebar-bg:#1f2937;--sidebar-bg-soft:#253244;--sidebar-border:#374151;--sidebar-text:#f9fafb;--sidebar-text-secondary:#d1d5db;--sidebar-text-muted:#9ca3af;--sidebar-hover:#ffffff14;--sidebar-active:#2563eb38;--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--radius-xs:3px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:8px;--radius-full:9999px;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;--font-family-mono:"SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;--font-size-xs:11px;--font-size-sm:12px;--font-size-base:13px;--font-size-md:14px;--font-size-lg:16px;--font-size-xl:18px;--font-size-2xl:20px;--font-size-3xl:24px;--font-weight-light:300;--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--letter-spacing-tight:-.01em;--letter-spacing-normal:0;--letter-spacing-wide:.01em;--letter-spacing-label:.04em;--line-height-tight:1.2;--line-height-normal:1.45;--line-height-relaxed:1.65;--shadow-xs:0 1px 2px #1118270d;--shadow-sm:0 1px 3px #11182714;--shadow-md:0 4px 10px #1118271a;--shadow-lg:0 10px 24px #1118271f;--shadow-xl:0 20px 40px #11182729;--state-hover-bg:var(--panel-hover);--state-selected-bg:var(--bg-selected);--state-selected-border:var(--accent-border);--state-active-bg:var(--bg-active);--state-focus-ring:0 0 0 3px #2563eb24;--transition-fast:.12s ease-out;--transition-base:.18s ease-out;--transition-slow:.26s ease-out;--z-dropdown:1000;--z-sticky:1100;--z-fixed:1200;--z-modal-backdrop:10000;--z-modal:10001;--z-popover:10002;--z-tooltip:10003;--activity-bar-width:52px;--sidebar-width:300px;--sidebar-collapsed-width:0px;--topbar-height:54px;--statusbar-height:28px;--titlebar-height:35px;--breakpoint-sm:640px;--breakpoint-md:768px;--breakpoint-lg:1024px;--breakpoint-xl:1280px;--breakpoint-2xl:1536px}[data-theme=dark]{color-scheme:dark;--bg-primary:#0f1217;--bg-secondary:#161b22;--bg-tertiary:#1d2430;--bg-elevated:#202734;--bg-hover:#1b222c;--bg-active:#222b37;--bg-selected:#2563eb29;--panel:#151a21;--panel-hover:#1b222c;--panel-active:#202936;--panel-muted:#11161d;--border:#2a3441;--border-muted:#222b36;--border-hover:#3a4656;--border-focus:#60a5fa;--text-primary:#e6edf3;--text-secondary:#9da7b3;--text-muted:#6b7480;--text-disabled:#4f5864;--text-inverse:#fff;--accent:#60a5fa;--accent-hover:#93c5fd;--accent-active:#3b82f6;--accent-subtle:#60a5fa24;--accent-border:#60a5fa57;--success:#34d399;--sidebar-bg:#10151b;--sidebar-bg-soft:#151a21;--sidebar-border:#2a3441;--sidebar-text:#e6edf3;--sidebar-text-secondary:#9da7b3;--sidebar-text-muted:#6b7480;--sidebar-hover:#1b222c;--sidebar-active:#60a5fa2e;--shadow-xs:0 1px 1px #0000001f;--shadow-sm:0 1px 2px #00000026;--shadow-md:0 2px 6px #0003;--shadow-lg:0 8px 18px #00000047;--shadow-xl:0 12px 28px #00000057}[data-theme=light]{color-scheme:light}[data-theme=high-contrast]{color-scheme:dark;--bg-primary:#000;--bg-secondary:#000;--bg-tertiary:#000;--bg-elevated:#000;--bg-hover:#000;--bg-active:#000;--bg-selected:#fff;--panel:#000;--panel-hover:#000;--panel-active:#000;--panel-muted:#000;--border:#fff;--border-muted:#fff;--border-hover:#fff;--border-focus:#fff;--text-primary:#fff;--text-secondary:#fff;--text-muted:#fff;--text-disabled:#888;--text-inverse:#000;--accent:#ff0;--accent-hover:#ff0;--accent-active:#ff0;--accent-subtle:#ffff004d;--accent-border:#fff;--success:#0f0;--sidebar-bg:#000;--sidebar-bg-soft:#000;--sidebar-border:#fff;--sidebar-text:#fff;--sidebar-text-secondary:#fff;--sidebar-text-muted:#fff;--sidebar-hover:#000;--sidebar-active:#fff;--shadow-xs:0 1px 1px #ffffff4d;--shadow-sm:0 1px 2px #fff6;--shadow-md:0 2px 6px #ffffff80;--shadow-lg:0 8px 18px #fff9;--shadow-xl:0 12px 28px #ffffffb3}*,:before,:after{box-sizing:border-box}html,body{width:100%;min-height:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:var(--line-height-normal);color:var(--text-primary);background-color:var(--bg-primary);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled,input:disabled,textarea:disabled,select:disabled{cursor:not-allowed;opacity:.65}:focus-visible{outline:1px solid var(--border-focus);outline-offset:2px;box-shadow:var(--state-focus-ring)}::selection{background-color:var(--accent-subtle);color:var(--text-primary)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-hover);border:2px solid var(--bg-primary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}:root{--bg-app:#111827;--bg-panel:#1f2937f2;--border-color:#ffffff14;--border-focus:#8b5cf680;--text-primary:#f9fafb;--text-secondary:#9ca3af;--accent:#8b5cf6;--accent-l:#a78bfa}*{box-sizing:border-box}body{background:var(--bg-app);color:var(--text-primary);letter-spacing:-.1px;background-image:radial-gradient(at 30% 20%,#4f46e51f 0%,#0000 50%),radial-gradient(at 70% 80%,#8b5cf614 0%,#0000 50%);min-height:100vh;margin:0;padding:0;font-family:DM Sans,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}@keyframes slideIn{0%{opacity:0;transform:translateY(16px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes ai-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}.slide-in{animation:.4s cubic-bezier(.4,0,.2,1) slideIn}.auth-page{justify-content:center;align-items:center;width:100%;min-height:100vh;padding:32px 16px;display:flex}.auth-card{border:1px solid var(--border-color);background:var(--bg-panel);backdrop-filter:blur(20px);border-radius:18px;width:100%;max-width:420px;padding:36px 32px;box-shadow:0 24px 64px #0006,0 0 0 1px #ffffff0a}.auth-header{text-align:center;margin-bottom:28px}.auth-brand-mark{color:#fff;letter-spacing:.05em;background:linear-gradient(135deg,#4f46e5,#7c3aed);border:none;border-radius:12px;justify-content:center;align-items:center;width:44px;height:44px;margin-bottom:14px;font-size:11px;font-weight:700;display:inline-flex;position:relative;box-shadow:0 4px 16px #7c3aed66}.auth-brand-mark:after{content:"";background:#a78bfa;border-radius:50%;width:6px;height:6px;animation:1.8s infinite ai-pulse;position:absolute;bottom:-2px;right:-2px}.auth-title{color:var(--text-primary);letter-spacing:-.4px;margin:0;font-size:24px;font-weight:700}.auth-subtitle{color:var(--text-secondary);margin:6px 0 0;font-size:13px;line-height:1.5}.auth-form{flex-direction:column;gap:14px;display:flex}.auth-field{flex-direction:column;gap:5px;display:flex}.auth-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;padding-left:2px;font-size:12px;font-weight:500}.auth-input{border:1px solid var(--border-color);width:100%;min-height:44px;color:var(--text-primary);font:inherit;background:#ffffff0d;border-radius:10px;outline:none;padding:10px 16px;font-size:13px;transition:all .2s}.auth-input::placeholder{color:#fff3}.auth-input:focus{border-color:var(--border-focus);background:#8b5cf60f;box-shadow:0 0 0 3px #8b5cf61f}.auth-button{color:#fff;cursor:pointer;background:linear-gradient(135deg,#4f46e5,#7c3aed);border:none;border-radius:10px;justify-content:center;align-items:center;width:100%;min-height:44px;margin-top:4px;padding:10px 18px;font-family:inherit;font-size:14px;font-weight:600;transition:all .2s;display:inline-flex;box-shadow:0 4px 16px #7c3aed59}.auth-button:hover{transform:translateY(-1px);box-shadow:0 6px 22px #7c3aed80}.auth-button:active{transform:scale(.97)}.auth-button:disabled{cursor:not-allowed;opacity:.55;box-shadow:none;transform:none}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;animation:.8s linear infinite slideIn;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.spinner{animation:.7s linear infinite spin}.auth-error{color:#fca5a5;background:#ef444414;border:1px solid #ef44444d;border-radius:8px;padding:10px 14px;font-size:12px;line-height:1.5}.auth-footer-text{text-align:center;color:var(--text-secondary);margin:20px 0 0;font-size:13px}.auth-link{color:var(--accent-l);font-weight:600;text-decoration:none;transition:all .2s}.auth-link:hover{color:#fff;text-decoration:underline}.cf-turnstile{border-radius:8px;overflow:hidden}@media (width<=520px){.auth-page{padding:20px 12px}.auth-card{border-radius:16px;padding:28px 20px}}.auth-divider{color:#ffffff59;align-items:center;gap:12px;margin:4px 0 16px;font-size:12px;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:#ffffff1f;flex:1;height:1px}.auth-oauth-buttons{gap:10px;margin-bottom:20px;display:flex}.auth-oauth-btn{cursor:pointer;border-radius:10px;flex:1;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.auth-oauth-btn--google{color:#fff;background:#ffffff14;border:1px solid #ffffff26}.auth-oauth-btn--google:hover{background:#ffffff24;border-color:#ffffff40}.auth-oauth-btn--github{color:#fff;background:#ffffff14;border:1px solid #ffffff26}.auth-oauth-btn--github:hover{background:#ffffff24;border-color:#ffffff40}