:root{--app-zoom: .9;--chat-content-width: 1080px;--bg-primary: #f6f7f9;--bg-card: #ffffff;--bg-sidebar: #fafbfc;--bg-hover: #f1f4f8;--bg-active: #eef4ff;--bg-input: #fbfbfb;--bg-badge: #dbeafe;--bg-badge-red: #fef2f2;--bg-badge-yellow: #fffbeb;--bg-badge-blue: #eff6ff;--text-primary: #111827;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--text-inverse: #ffffff;--accent: #4f82dc;--accent-rgb: 79 130 220;--accent-light: #dbeafe;--accent-dark: #2563c8;--success: #16a34a;--success-light: #dcfce7;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--warning-light: #fef3c7;--info: #3b82f6;--info-light: #dbeafe;--purple: #8b5cf6;--purple-light: #ede9fe;--border-color: #dfe5ee;--border-light: #edf1f6;--border-hover: #c8d2df;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .035);--shadow-md: 0 10px 24px rgba(15, 23, 42, .055);--shadow-lg: 0 18px 44px rgba(15, 23, 42, .075);--chart-grid: rgba(148, 163, 184, .32);--chart-axis: #64748b;--chart-tooltip-bg: #ffffff;--chart-tooltip-border: #dbe3ef;--chart-cursor: rgba(79, 130, 220, .24);--chart-gross: #8bb6dc;--chart-billable: #233c5f;--chart-contracted: #9fc4e8;--chart-trend: #2f5f82;color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;overflow:hidden}.spin{animation:spin .8s linear infinite}.app-loading{display:flex;align-items:center;justify-content:center;gap:10px;min-height:100vh;color:#f7f7f7;background:#151515}.login-page-shell{display:grid;grid-template-columns:minmax(28rem,46%) minmax(0,54%);min-height:100vh;background:#151515}.login-visual-panel{position:relative;display:flex;align-items:center;min-height:100vh;overflow:hidden;color:#fff;background:linear-gradient(90deg,#0b1934f5,#142649eb),radial-gradient(circle at 9% 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0 0;color:#f5f5f5ad;font-size:1rem;line-height:1.45}.login-mobile-logo{display:none}.login-form-card{display:flex;flex-direction:column;gap:1.25rem;padding:clamp(1.35rem,2.4vw,2rem);background:#1b1b1bc7;border:1px solid rgba(255,255,255,.13);border-radius:18px;box-shadow:0 22px 54px #00000042}.login-submit{display:inline-flex;align-items:center;justify-content:center;height:3.55rem;gap:.55rem;color:#fff;font-size:.95rem;font-weight:600;background:#4f82dc;border-radius:10px;cursor:pointer}.login-submit:hover:not(:disabled){background:#3b6bc4}.login-submit:disabled{cursor:not-allowed;background:#64748b}.microsoft-mark{display:grid;grid-template-columns:repeat(2,.55rem);gap:.12rem}.microsoft-mark span{width:.55rem;height:.55rem}.microsoft-mark span:nth-child(1){background:#f25022}.microsoft-mark span:nth-child(2){background:#7fba00}.microsoft-mark span:nth-child(3){background:#00a4ef}.microsoft-mark span:nth-child(4){background:#ffb900}.login-form-card>p{margin:0;color:#f5f5f59e;font-size:.9rem}.login-error{color:#ff8d8d!important;font-size:.86rem!important;font-weight:600}button,input,textarea{font:inherit}select{max-width:150px;color:inherit;background:transparent;border:0;outline:0;font:inherit;cursor:pointer}button{border:0}.app-shell{display:grid;grid-template-columns:300px minmax(520px,1fr) 400px;width:calc(100vw / var(--app-zoom));height:calc(100vh / var(--app-zoom));overflow:hidden;zoom:var(--app-zoom);background:var(--bg-card)}.app-shell.sidebar-collapsed{grid-template-columns:72px minmax(520px,1fr) 400px}.app-shell.model-drawer-collapsed{grid-template-columns:300px minmax(520px,1fr) 0}.app-shell.sidebar-collapsed.model-drawer-collapsed{grid-template-columns:72px minmax(520px,1fr) 0}.left-sidebar{display:flex;flex-direction:column;min-width:0;min-height:0;padding:20px 16px 18px;background:var(--bg-sidebar);border-right:1px solid 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p+p{margin-top:4px}.formatted-text strong{font-weight:700}.formatted-gap{height:12px}.typing-status{align-items:center;color:var(--text-secondary);display:inline-flex;flex-wrap:wrap;gap:10px;line-height:1.45}.typing-status-text{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-soft);max-width:min(620px,100%);padding:9px 12px}.typing-indicator{align-items:center;background:var(--bg-muted);border:1px solid var(--border);border-radius:999px;display:inline-flex;gap:6px;min-height:32px;padding:0 14px}.typing-indicator span{animation:typing-dot 1.15s ease-in-out infinite;background:var(--text-muted);border-radius:999px;display:block;height:6px;opacity:.45;width:6px}.typing-indicator span:nth-child(2){animation-delay:.16s}.typing-indicator span:nth-child(3){animation-delay:.32s}.chat-artifacts{display:grid;gap:12px;margin-top:14px}.chat-artifact{padding:14px;color:var(--text-primary);background:var(--bg-card);border:1px solid 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