:root{--bg:#f7f7f5;--bg-card:#fff;--bg-input:#f0f0ee;--border:#e8e8e5;--border-mid:#d4d4d0;--text-primary:#1a1a1a;--text-secondary:#6b6b68;--text-tertiary:#9e9e9a;--accent:#1a1a1a;--accent-hover:#333;--source-pa:#2563eb;--source-pa-bg:#eff6ff;--source-kp:#16a34a;--source-kp-bg:#f0fdf4;--red:#dc2626;--red-bg:#fef2f2;--green:#16a34a;--green-bg:#f0fdf4;--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 3px #0000000f, 0 1px 2px #0000000a;--shadow-md:0 4px 12px #00000014, 0 2px 4px #0000000a;--font-sans:"DM Sans", system-ui, sans-serif;--font-mono:"DM Mono", monospace;--nav-height:56px;--safe-bottom:env(safe-area-inset-bottom,0px)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;height:100%;font-size:16px}body{font-family:var(--font-sans);background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;height:100%;overflow-x:hidden}#root{flex-direction:column;height:100%;display:flex}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-mid);border-radius:999px}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg, var(--bg-input) 25%, var(--border) 50%, var(--bg-input) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.4s infinite shimmer}