:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f9fafb;--color-bg-tertiary: #f3f4f6;--color-bg-hover: #e5e7eb;--color-bg-inverted: #1f2937;--color-bg-inverted-secondary: #374151;--color-text-primary: #111827;--color-text-secondary: #374151;--color-text-tertiary: #6b7280;--color-text-muted: #9ca3af;--color-text-inverted: #f9fafb;--color-text-inverted-secondary: #d1d5db;--color-text-inverted-tertiary: #e5e7eb;--color-border-primary: #e5e7eb;--color-border-secondary: #d1d5db;--color-border-dark: #4b5563;--color-accent: #059669;--color-accent-hover: #047857;--color-accent-light: #d1fae5;--color-accent-text: #065f46;--color-interactive: #3b82f6;--color-interactive-hover: #2563eb;--color-interactive-light: #dbeafe;--color-interactive-text: #1e40af;--color-warning: #f59e0b;--color-warning-hover: #d97706;--color-warning-light: #fef3c7;--color-warning-text: #92400e;--color-error: #dc2626;--color-error-hover: #b91c1c;--color-error-light: #fef2f2;--color-error-border: #fecaca;--color-error-text: #991b1b;--color-tag-cast-bg: #e0e7ff;--color-tag-cast-text: #3730a3;--color-tag-set-bg: #fef3c7;--color-tag-set-text: #92400e;--color-tag-lore-bg: #dcfce7;--color-tag-lore-text: #166534;--color-tag-subplot-bg: #f3e8ff;--color-tag-subplot-text: #6b21a8;--color-agent-tool-call: #93c5fd;--color-agent-tool-result: #86efac;--color-agent-message: #e5e7eb;--color-agent-completed: #fcd34d;--color-agent-error: #fca5a5;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .15)}@media(prefers-color-scheme:dark){:root{--color-bg-primary: #111827;--color-bg-secondary: #1f2937;--color-bg-tertiary: #374151;--color-bg-hover: #4b5563;--color-bg-inverted: #f9fafb;--color-bg-inverted-secondary: #e5e7eb;--color-text-primary: #f9fafb;--color-text-secondary: #e5e7eb;--color-text-tertiary: #9ca3af;--color-text-muted: #6b7280;--color-text-inverted: #111827;--color-text-inverted-secondary: #374151;--color-text-inverted-tertiary: #4b5563;--color-border-primary: #374151;--color-border-secondary: #4b5563;--color-border-dark: #6b7280;--color-accent: #10b981;--color-accent-hover: #059669;--color-accent-light: #064e3b;--color-accent-text: #6ee7b7;--color-interactive: #60a5fa;--color-interactive-hover: #3b82f6;--color-interactive-light: #1e3a5f;--color-interactive-text: #93c5fd;--color-warning: #fbbf24;--color-warning-hover: #f59e0b;--color-warning-light: #78350f;--color-warning-text: #fcd34d;--color-error: #f87171;--color-error-hover: #ef4444;--color-error-light: #7f1d1d;--color-error-border: #991b1b;--color-error-text: #fca5a5;--color-tag-cast-bg: #312e81;--color-tag-cast-text: #c7d2fe;--color-tag-set-bg: #78350f;--color-tag-set-text: #fde68a;--color-tag-lore-bg: #14532d;--color-tag-lore-text: #bbf7d0;--color-tag-subplot-bg: #581c87;--color-tag-subplot-text: #e9d5ff;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 25px rgba(0, 0, 0, .4)}}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Helvetica Neue,sans-serif;background:var(--color-bg-secondary);color:var(--color-text-primary)}button{font-family:inherit;cursor:pointer;border:1px solid var(--color-border-primary);background:var(--color-bg-primary);padding:8px 16px;border-radius:4px;font-size:14px;font-weight:500;transition:all .2s ease;color:var(--color-text-primary)}button:hover{background:var(--color-bg-tertiary);border-color:var(--color-border-secondary)}button:active{transform:scale(.98)}