:root{--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;--font-chat:var(--font-sans);--text-xs:11px;--text-sm:12px;--text-base:14px;--text-md:15px;--text-lg:17px;--text-xl:20px;--text-2xl:24px;--radius-xs:3px;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--radius-xl:12px;--shadow-xs:0 1px 2px #0000000d;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 24px #0000001f;--shadow-xl:0 16px 48px #00000024;--shadow-overlay:0 16px 48px #00000024;--transition-fast:.1s ease;--transition-base:.15s 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ease;--ease-out:ease;--radius-2xl:var(--radius-xl);--shadow-glow:none;--shadow-glow-sm:none}:root,[data-theme=light]{--color-bg-primary:#fafaf9;--color-bg-secondary:#fff;--color-bg-tertiary:#f5f5f4;--color-bg-elevated:#fff;--color-bg-input:#fff;--color-bg-hover:#00000008;--color-bg-active:#0000000f;--color-bg-subtle:#f8f8f7;--color-bg-tooltip:#1c1917;--color-fg-primary:#1c1917;--color-fg-secondary:#78716c;--color-fg-tertiary:#a8a29e;--color-fg-muted:#d6d3d1;--color-border-primary:#0000000f;--color-border-secondary:#0000000a;--color-border-focus:#5b8c85;--color-border-strong:#0000001f;--color-accent:#5b8c85;--color-accent-hover:#4a7a73;--color-accent-soft:#5b8c8514;--color-accent-border:#5b8c8533;--color-accent-selection:#5b8c852e;--color-editor-accent:#4a7a9b;--color-editor-accent-soft:#4a7a9b14;--color-editor-accent-border:#4a7a9b33;--color-success:#5b8c6a;--color-success-soft:#5b8c6a14;--color-warning:#b8860b;--color-warning-soft:#b8860b14;--color-error:#b84a4a;--color-error-soft:#b84a4a14;--color-info:#5b7b9b;--color-info-soft:#5b7b9b14;--color-chat-input-bg:#fff;--color-chat-input-border:#00000014;--color-chat-input-focus:var(--color-accent);--color-chat-user-bg:#5b8c850f;--color-chat-user-text:#1c1917;--color-chat-ai-bg:transparent;--color-chat-ai-border:#0000000a;--color-chat-avatar-user-start:#5b8c85;--color-chat-avatar-user-end:#4a7a73;--color-chat-avatar-ai:#5b8c6a;--color-chat-code-bg:#f5f5f4;--color-chat-code-text:#44403c;--color-link:#2563eb;--color-inline-code-bg:#0000000d;--color-chat-timestamp:#a8a29e;--color-chat-divider:#0000000a;--color-sidebar-bg:#f5f5f4;--color-sidebar-border:#0000000f;--color-sidebar-item-hover:#0000000a;--color-sidebar-item-active:#5b8c8514;--color-sidebar-indent:#0000000a;--card-bg:#fff;--card-border:#0000000f;--color-canvas-bg:#fff;--color-canvas-border:#0000000f;--color-agent-panel-bg:#fafaf9;--color-agent-step-bg:#fff;--color-agent-step-border:#0000000f;--color-agent-step-running:#5b8c85;--color-agent-step-done:#5b8c6a;--color-agent-step-error:#b84a4a;--term-bg:#fafaf9;--term-header-bg:#f5f5f4;--term-border:#0000000f;--term-fg:#1c1917;--term-fg-secondary:#78716c;--term-fg-tertiary:#a8a29e;--term-prompt:#5b8c6a;--term-hover-bg:#0000000a;--term-hover-fg:#1c1917;--term-selection:#5b8c852e;--term-cursor:#5b8c85;--header-bg:var(--color-bg-tertiary);--header-border:var(--color-border-primary);--bg:var(--color-bg-primary);--surface:var(--color-bg-secondary);--surface-2:var(--color-bg-tertiary);--surface-3:var(--color-bg-hover);--border:var(--color-border-primary);--text:var(--color-fg-primary);--text-muted:var(--color-fg-tertiary);--accent:var(--color-accent);--accent-rgb:91, 140, 133;--color-ai-surface:var(--color-bg-secondary);--color-ai-surface-soft:var(--color-bg-subtle);--color-ai-wash:none;--color-chat-surface:var(--color-bg-secondary);--color-editor-surface:var(--color-bg-secondary);--color-editor-surface-soft:var(--color-bg-tertiary);--color-teal:var(--color-success);--color-teal-soft:var(--color-success-soft);--color-teal-border:var(--color-accent-border);--color-accent-glow:#5b8c8538;--glass-bg:var(--card-bg);--glass-border:var(--card-border);--glass-blur:0px;--glass-blur-heavy:0px}[data-theme=dark]{--color-bg-primary:#18181b;--color-bg-secondary:#1f1f23;--color-bg-tertiary:#27272a;--color-bg-elevated:#2c2c30;--color-bg-input:#27272a;--color-bg-hover:#ffffff0a;--color-bg-active:#ffffff12;--color-bg-subtle:#1a1a1d;--color-bg-tooltip:#fafaf9;--color-fg-primary:#fafaf9;--color-fg-secondary:#a1a1aa;--color-fg-tertiary:#71717a;--color-fg-muted:#52525b;--color-border-primary:#ffffff14;--color-border-secondary:#ffffff0a;--color-border-focus:#6fa8a0;--color-border-strong:#ffffff24;--color-accent:#6fa8a0;--color-accent-hover:#82bbb4;--color-accent-soft:#6fa8a01a;--color-accent-border:#6fa8a038;--color-accent-selection:#6fa8a033;--color-editor-accent:#6b9fc4;--color-editor-accent-soft:#6b9fc41a;--color-editor-accent-border:#6b9fc438;--color-success:#6fa87a;--color-success-soft:#6fa87a1a;--color-warning:#c49a3a;--color-warning-soft:#c49a3a1a;--color-error:#c46060;--color-error-soft:#c460601a;--color-info:#6b9fc4;--color-info-soft:#6b9fc41a;--color-chat-input-bg:#27272a;--color-chat-input-border:#ffffff14;--color-chat-input-focus:var(--color-accent);--color-chat-user-bg:#6fa8a014;--color-chat-user-text:#fafaf9;--color-chat-ai-bg:transparent;--color-chat-ai-border:#ffffff0f;--color-chat-avatar-user-start:#6fa8a0;--color-chat-avatar-user-end:#5b9490;--color-chat-avatar-ai:#6fa87a;--color-chat-code-bg:#1a1a1d;--color-chat-code-text:#d4d4d8;--color-link:#60a5fa;--color-inline-code-bg:#ffffff14;--color-chat-timestamp:#71717a;--color-chat-divider:#ffffff0a;--color-sidebar-bg:#1a1a1d;--color-sidebar-border:#ffffff0f;--color-sidebar-item-hover:#ffffff0a;--color-sidebar-item-active:#6fa8a01a;--color-sidebar-indent:#ffffff0a;--card-bg:#27272a;--card-border:#ffffff0f;--color-canvas-bg:#1f1f23;--color-canvas-border:#ffffff0f;--color-agent-panel-bg:#1a1a1d;--color-agent-step-bg:#27272a;--color-agent-step-border:#ffffff0f;--color-agent-step-running:#6fa8a0;--color-agent-step-done:#6fa87a;--color-agent-step-error:#c46060;--term-bg:#18181b;--term-header-bg:#27272a;--term-border:#ffffff14;--term-fg:#e4e4e7;--term-fg-secondary:#a1a1aa;--term-fg-tertiary:#71717a;--term-prompt:#6fa87a;--term-hover-bg:#ffffff0f;--term-hover-fg:#fafaf9;--term-selection:#6fa8a033;--term-cursor:#6fa8a0;--header-bg:var(--color-bg-tertiary);--header-border:var(--color-border-primary);--bg:var(--color-bg-primary);--surface:var(--color-bg-secondary);--surface-2:var(--color-bg-tertiary);--surface-3:var(--color-bg-hover);--border:var(--color-border-primary);--text:var(--color-fg-primary);--text-muted:var(--color-fg-tertiary);--accent:var(--color-accent);--accent-rgb:111, 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