:root{--bg-app:#f8fafc;--bg-card:#fff;--bg-sidebar:#fff;--bg-elevated:#f1f5f9;--bg-muted:#f8fafc;--bg-hover:#f1f5f9;--border-color:#e2e8f0;--border-muted:#edf2f7;--border-focus:#0284c7;--text-main:#0f172a;--text-muted:#64748b;--text-light:#94a3b8;--primary:#0284c7;--primary-hover:#0369a1;--primary-light:#e0f2fe;--primary-text:#0369a1;--btn-primary-text:#fff;--success:#10b981;--success-hover:#059669;--success-light:#d1fae5;--success-text:#047857;--warning:#f59e0b;--warning-light:#fef3c7;--warning-text:#b45309;--danger:#ef4444;--danger-hover:#dc2626;--danger-light:#fee2e2;--danger-text:#b91c1c;--ide-header-bg:#f1f5f9;--ide-terminal-bg:#0f172a;--ide-terminal-text:#e2e8f0;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000000d;--theme-transition:background-color .2s ease, color .2s ease, border-color .2s ease}[data-theme=dark]{--bg-app:#0a0e17;--bg-card:#121824;--bg-sidebar:#121824;--bg-elevated:#1a2234;--bg-muted:#151d2c;--bg-hover:#1e293b;--border-color:#243046;--border-muted:#1a2436;--border-focus:#38bdf8;--text-main:#f1f5f9;--text-muted:#94a3b8;--text-light:#64748b;--primary:#38bdf8;--primary-hover:#0ea5e9;--primary-light:#38bdf826;--primary-text:#7dd3fc;--btn-primary-text:#090d16;--success:#34d399;--success-hover:#10b981;--success-light:#34d39926;--success-text:#6ee7b7;--warning:#fbbf24;--warning-light:#fbbf2426;--warning-text:#fde68a;--danger:#f87171;--danger-hover:#ef4444;--danger-light:#f8717126;--danger-text:#fca5a5;--ide-header-bg:#151d2c;--ide-terminal-bg:#0b0f19;--ide-terminal-text:#e2e8f0;--shadow-sm:0 1px 2px 0 #00000059;--shadow-md:0 4px 6px -1px #00000073, 0 2px 4px -2px #00000059;--shadow-lg:0 10px 15px -3px 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