:root{--bg:#f8f9fb;--fg:#1a1d23;--fg-muted:#6b7280;--card:#fff;--card-hover:#fafbfc;--border:#e2e5ea;--border-light:#eef0f3;--input:#f3f5f7;--input-hover:#eceef1;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-subtle:rgba(37,99,235,.08);--success:#16a34a;--success-subtle:rgba(22,163,74,.08);--warning:#d97706;--warning-subtle:rgba(217,119,6,.08);--danger:#dc2626;--danger-subtle:rgba(220,38,38,.06);--shadow-sm:0 1px 2px rgba(0,0,0,.04);--shadow-md:0 2px 8px rgba(0,0,0,.06);--shadow-lg:0 8px 24px rgba(0,0,0,.08);--radius-sm:6px;--radius-md:8px;--radius-lg:12px}[data-theme=dark]{--bg:#111318;--fg:#e8eaed;--fg-muted:#8b8f98;--card:#1a1d24;--card-hover:#1f222a;--border:#2a2d35;--border-light:#23262e;--input:#22252d;--input-hover:#282b34;--primary:#5b9aff;--primary-hover:#3b82f6;--primary-subtle:rgba(91,154,255,.1);--success:#34d399;--success-subtle:rgba(52,211,153,.1);--warning:#fbbf24;--warning-subtle:rgba(251,191,36,.08);--danger:#f87171;--danger-subtle:hsla(0,91%,71%,.1);--shadow-sm:0 1px 2px rgba(0,0,0,.2);--shadow-md:0 2px 8px rgba(0,0,0,.25);--shadow-lg:0 8px 24px rgba(0,0,0,.35)}body{background:var(--bg);color:var(--fg);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;margin:0;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background .15s ease,color .15s ease;line-height:1.5}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;transition:background .15s ease,border .15s ease,box-shadow .15s ease}.card,[data-theme=dark] .card{box-shadow:var(--shadow-sm)}button,input,select,textarea{font-family:inherit;font-size:.875rem}input,select,textarea{background:var(--input);border:1px solid var(--border);border-radius:var(--radius-md);padding:.625rem .875rem;color:var(--fg);width:100%;box-sizing:border-box;transition:border .15s ease,background .15s ease,box-shadow .15s ease;line-height:1.5}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-subtle)}button{background:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);padding:.5rem 1rem;font-weight:500;cursor:pointer;transition:background .15s ease,opacity .15s ease,transform .1s ease;line-height:1.5}button:hover{background:var(--primary-hover)}button:active{transform:scale(.98)}button:disabled{opacity:.5;cursor:not-allowed}label{font-size:.8125rem;font-weight:500;display:block;color:var(--fg)}.error{color:var(--danger);font-size:.875rem}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--fg-muted)}