@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap";:root{--accent: #7c3aed;--accent-hover: #6d28d9;--accent-light: rgba(124, 58, 237, .06);--accent-glow: rgba(124, 58, 237, .15);--accent-gradient: linear-gradient(135deg, #7c3aed 0%, #a855f7 50%, #c084fc 100%);--accent-gradient-vivid: linear-gradient(135deg, #7c3aed 0%, #a855f7 35%, #ec4899 100%);--bg-primary: #fafaf9;--bg-secondary: #f5f5f4;--bg-tertiary: #e7e5e4;--bg-elevated: #ffffff;--bg-inset: #f0efee;--bg-hover: rgba(124, 58, 237, .04);--bg-active: rgba(124, 58, 237, .07);--bg-cell: #ffffff;--bg-cell-active: #fdfcfb;--bg-output: #fafaf9;--bg-toolbar: rgba(255, 255, 255, .82);--bg-code: #fafaf9;--bg-sidebar: #110e1e;--sidebar-text: #ede9fe;--sidebar-text-muted: #a89cc8;--sidebar-text-dim: #5b5075;--sidebar-hover: rgba(167, 139, 250, .09);--sidebar-active: rgba(124, 58, 237, .22);--sidebar-border: rgba(167, 139, 250, .1);--sidebar-input-bg: rgba(167, 139, 250, .07);--border-color: #e7e5e4;--border-subtle: #f0efee;--border-active: rgba(124, 58, 237, .5);--text-primary: #1c1917;--text-secondary: #57534e;--text-muted: #a8a29e;--text-inverse: #ffffff;--text-accent: #7c3aed;--error-bg: rgba(239, 68, 68, .06);--error-text: #dc2626;--error-border: #fecaca;--success: #16a34a;--success-bg: rgba(22, 163, 74, .06);--success-text: #16a34a;--warning: #d97706;--warning-bg: rgba(217, 119, 6, .06);--info: #2563eb;--info-bg: rgba(37, 99, 235, .06);--run-bg: #16a34a;--run-hover: #15803d;--run-glow: rgba(22, 163, 74, .3);--shadow-xs: 0 1px 2px rgba(0,0,0,.04);--shadow-sm: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.1);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -4px rgba(0,0,0,.05);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 8px 10px -6px rgba(0,0,0,.05);--shadow-2xl: 0 25px 50px -12px rgba(0,0,0,.2);--shadow-accent: 0 4px 14px rgba(124,58,237,.2);--shadow-cell: 0 1px 3px rgba(0,0,0,.04), 0 1px 2px rgba(0,0,0,.06);--shadow-cell-hover: 0 10px 30px -5px rgba(0,0,0,.1), 0 0 0 1px rgba(124,58,237,.08);--shadow-cell-active: 0 0 0 2px var(--accent), 0 10px 30px -5px rgba(124,58,237,.12);--shadow-ring: 0 0 0 3px rgba(124,58,237,.15);--shadow-inner: inset 0 2px 4px rgba(0,0,0,.04);--sidebar-width: 272px;--toolbar-height: 52px;--cell-max-width: 900px;--content-padding: 40px;--radius-xs: 4px;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 10px;--radius-xl: 14px;--radius-2xl: 20px;--radius-full: 9999px;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "SF Mono", "Cascadia Code", monospace;--leading-tight: 1.25;--leading-normal: 1.5;--leading-relaxed: 1.7;--space-0: 0px;--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: 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rgba(167,139,250,.09);--sidebar-input-bg: rgba(167,139,250,.07);--border-color: #27272a;--border-subtle: #1c1c20;--border-active: rgba(167,139,250,.5);--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-muted: #52525b;--text-inverse: #09090b;--text-accent: #a78bfa;--error-bg: rgba(239,68,68,.08);--error-text: #f87171;--error-border: rgba(127,29,29,.5);--success: #4ade80;--success-bg: rgba(74,222,128,.08);--success-text: #4ade80;--warning: #fbbf24;--warning-bg: rgba(251,191,36,.08);--info: #60a5fa;--info-bg: rgba(96,165,250,.08);--run-bg: #22c55e;--run-hover: #16a34a;--run-glow: rgba(74,222,128,.25);--shadow-xs: 0 1px 2px rgba(0,0,0,.5);--shadow-sm: 0 1px 3px rgba(0,0,0,.6);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.6);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.6);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.7);--shadow-2xl: 0 25px 50px -12px rgba(0,0,0,.8);--shadow-accent: 0 4px 14px rgba(167,139,250,.15);--shadow-cell: 0 0 0 1px rgba(255,255,255,.04), 0 1px 3px rgba(0,0,0,.4);--shadow-cell-hover: 0 0 0 1px rgba(255,255,255,.06), 0 10px 30px -5px rgba(0,0,0,.5);--shadow-cell-active: 0 0 0 2px var(--accent), 0 10px 30px -5px rgba(167,139,250,.1);--shadow-ring: 0 0 0 3px rgba(167,139,250,.12);--shadow-inner: inset 0 2px 4px rgba(0,0,0,.3)}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}@keyframes cellAppear{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@keyframes runPulse{0%{box-shadow:0 0 #16a34a66}70%{box-shadow:0 0 0 8px 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0}.cell-type-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;padding:3px 10px;border-radius:var(--radius-full);line-height:1.5}.cell-type-badge.code{background:var(--info-bg);color:var(--info)}.cell-type-badge.markdown{background:#a855f714;color:#8b5cf6}[data-theme=dark] .cell-type-badge.markdown{background:#a78bfa1a;color:#a78bfa}.execution-count{font-size:11px;font-weight:600;color:var(--text-muted);font-family:var(--font-mono);min-width:32px;text-align:right}.execution-count.running{color:var(--accent);animation:pulse 1s ease-in-out infinite}.cell-actions{display:flex;gap:3px;margin-left:auto}.cell-actions button{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:transparent;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);font-size:14px;transition:all var(--t-fast) var(--ease-smooth)}.cell-actions button:hover{background:var(--bg-hover);color:var(--text-primary)}.cell-actions button:active{transform:scale(.92)}.cell-actions .run-cell-btn{width:30px;height:30px;background:var(--run-bg);color:#fff;border-radius:50%;box-shadow:0 2px 8px var(--run-glow);font-size:11px}.cell-actions .run-cell-btn:hover{background:var(--run-hover);box-shadow:0 4px 16px var(--run-glow);transform:scale(1.1)}.cell-actions .run-cell-btn:active{transform:scale(.9)}.cell-actions .run-cell-btn.running{animation:runPulse 1.5s ease infinite}.cell-editor{background:var(--bg-cell);border-radius:0 0 var(--radius-xl) var(--radius-xl);transition:background var(--t-normal) var(--ease-smooth)}.cell-editor:not(:last-child){border-radius:0}.cell.active .cell-editor{background:var(--bg-cell-active)}.cell-editor .cm-editor{font-size:13.5px;line-height:1.7;border-radius:inherit}.cell-editor .cm-editor .cm-content{padding:16px 0;font-family:var(--font-mono)}.cell-editor .cm-editor .cm-gutters{background:transparent;border-right:none;padding-right:4px}.cell-editor .cm-editor .cm-lineNumbers 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var(--border-color);background:transparent;color:var(--text-muted);cursor:pointer;border-radius:var(--radius-full);font-size:11px;font-weight:500;font-family:var(--font-sans);transition:all var(--t-normal) var(--ease-out)}.add-cell-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}.add-cell-btn:active{transform:scale(.97)}.pip-installer{padding:16px 14px;border-top:1px solid var(--sidebar-border);position:relative;background:linear-gradient(180deg,transparent 0%,rgba(124,58,237,.04) 100%)}.pip-installer:before{content:"";position:absolute;top:0;left:18px;right:18px;height:1px;background:linear-gradient(90deg,var(--sidebar-border) 0%,rgba(124,58,237,.25) 50%,var(--sidebar-border) 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var(--ease-out)}.empty-state-btn.primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}.empty-state-btn.primary:hover{background:var(--accent-hover);box-shadow:0 8px 24px #7c3aed40;transform:translateY(-1px)}.empty-state-btn.secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.empty-state-btn.secondary:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light);transform:translateY(-1px)}.skeleton{background:linear-gradient(90deg,var(--bg-secondary) 25%,var(--bg-tertiary) 50%,var(--bg-secondary) 75%);background-size:200% 100%;animation:shimmer 1.5s ease-in-out infinite;border-radius:var(--radius-sm)}.skeleton-text{height:14px;margin-bottom:8px;width:80%}.skeleton-text:last-child{width:60%}@media(max-width:768px){:root{--sidebar-width: 240px;--toolbar-height: 46px;--content-padding: 16px}.notebook-cells{padding:0 var(--content-padding)}.toolbar-title input{max-width:160px;font-size:13px}.brand span{display:none}.toolbar-separator{margin:0 4px}.empty-state{padding:60px 16px 40px}.empty-state h2{font-size:22px}}