:root{--bg:#fafafa;--bg-white:#fff;--text:#111;--text-secondary:#333;--text-muted:#666;--border:#111;--border-light:#ccc;--accent-green:#22c55e;--accent-red:#ef4444;--accent-yellow:#eab308;--accent-blue:#3b82f6;--font:system-ui,-apple-system,"Segoe UI",sans-serif;--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.5}.card{background:var(--bg-white);border:2px solid var(--border);padding:1.5rem}.card--subtle{border-color:var(--border-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-family:var(--font);font-size:.875rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;cursor:pointer;border:2px solid var(--border);transition:background .1s,color .1s;text-decoration:none}.btn--primary{background:var(--text);color:var(--bg-white)}.btn--primary:hover,.btn--secondary{background:var(--bg-white);color:var(--text)}.btn--secondary:hover{background:var(--text);color:var(--bg-white)}.btn--small{padding:.4rem .75rem;font-size:.75rem}.btn:disabled{opacity:.4;cursor:not-allowed}.drop-zone{border:3px dashed var(--border-light);padding:3rem 2rem;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.drop-zone--active,.drop-zone:hover{border-color:var(--border);background:#f0f0f0}.tab-bar{display:flex;gap:0;border-bottom:2px solid var(--border);overflow-x:auto}.tab{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;font-size:.8rem;font-weight:600;cursor:pointer;border:2px solid transparent;border-bottom:none;background:transparent;white-space:nowrap;font-family:var(--font);color:var(--text-muted);transition:background .1s}.tab:hover{background:#f0f0f0}.tab--active{color:var(--text);border-color:var(--border);background:var(--bg-white);margin-bottom:-2px}.collapsible{border-bottom:1px solid var(--border-light)}.collapsible:last-child{border-bottom:none}.collapsible-header{display:flex;align-items:center;justify-content:space-between;padding:1rem 0;cursor:pointer;font-weight:700;font-size:.875rem;text-transform:uppercase;letter-spacing:.04em;-webkit-user-select:none;-moz-user-select:none;user-select:none}.collapsible-header:hover{color:var(--text-muted)}.collapsible-content{padding:0 0 1rem}.badge{display:inline-flex;align-items:center;padding:.15rem .5rem;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;border:2px solid}.badge--green{color:var(--accent-green);border-color:var(--accent-green)}.badge--yellow{color:var(--accent-yellow);border-color:var(--accent-yellow)}.badge--red{color:var(--accent-red);border-color:var(--accent-red)}.badge--blue{color:var(--accent-blue);border-color:var(--accent-blue)}.badge--neutral{color:var(--text-muted);border-color:var(--border-light)}.spinner{width:24px;height:24px;border:3px solid var(--border-light);border-top-color:var(--text);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.table{width:100%;border-collapse:collapse;font-size:.8rem}.table td,.table th{text-align:left;padding:.5rem .75rem;border-bottom:1px solid var(--border-light)}.table th{font-weight:700;text-transform:uppercase;font-size:.7rem;letter-spacing:.05em;color:var(--text-muted)}.progress-bar{height:4px;background:var(--border-light);overflow:hidden}.progress-bar__fill{height:100%;background:var(--text);transition:width .3s}.mono{font-family:var(--mono)}.muted{color:var(--text-muted)}.text-sm{font-size:.8rem}.text-xs{font-size:.7rem}.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}.gap-1{gap:.5rem}.gap-2{gap:1rem}