:root{--color-primary-50:#eef2ff;--color-primary-100:#e0e7ff;--color-primary-200:#c7d2fe;--color-primary-300:#a5b4fc;--color-primary-400:#818cf8;--color-primary-500:#6366f1;--color-primary-600:#4f46e5;--color-primary-700:#4338ca;--color-primary-800:#3730a3;--color-primary-900:#312e81;--color-bg:#fff;--color-bg-secondary:#f8fafc;--color-bg-tertiary:#f1f5f9;--color-surface:#fff;--color-surface-hover:#f8fafc;--color-border:#e2e8f0;--color-border-light:#f1f5f9;--color-text:#0f172a;--color-text-secondary:#475569;--color-text-tertiary:#94a3b8;--color-text-inverse:#fff;--color-success:#10b981;--color-warning:#f59e0b;--color-error:#ef4444;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 6px -1px #00000012, 0 2px 4px -2px #0000000d;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -4px #0000000a;--shadow-xl:0 20px 25px -5px #00000014, 0 8px 10px -6px #0000000a;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", 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(width>=1024px){.sidebar{top:calc(var(--header-height) + 2rem);order:2;align-self:start;position:sticky}}.sidebar-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem}.sidebar-card h3{border-bottom:1px solid var(--color-border-light);margin-bottom:1rem;padding-bottom:.75rem;font-size:1rem}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--color-bg-secondary)}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}:focus-visible{outline:2px solid var(--color-primary-500);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.text-center{text-align:center}.text-primary{color:var(--color-primary-500)}.text-secondary{color:var(--color-text-secondary)}.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.font-bold{font-weight:700}.font-semibold{font-weight:600}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.gap-2{gap:1rem}.inline-flex{display:inline-flex}.items-center{align-items:center}.justify-center{justify-content:center}.flex-wrap{flex-wrap:wrap}