:root{--primary:#f97316;--primary-dark:#ea580c;--primary-soft:#fff7ed;--ok:#15803d;--ok-soft:#f0fdf4;--fail:#b91c1c;--fail-soft:#fef2f2;--testing:#1d4ed8;--testing-soft:#eff6ff;--bg:#fafafa;--card:#fff;--border:#e5e7eb;--border-strong:#d1d5db;--text:#111827;--muted:#6b7280;--muted-soft:#9ca3af;--shadow-sm:0 1px 2px rgba(16,24,40,.05);--shadow-md:0 4px 12px rgba(16,24,40,.08);--shadow-lg:0 12px 32px rgba(16,24,40,.16);--radius:12px;--radius-sm:8px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;font-feature-settings:"cv11","ss01"}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,textarea{font-family:inherit}::selection{background:#fed7aa}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:var(--radius-sm);padding:9px 16px;font-size:14px;font-weight:600;transition:background .15s,border-color .15s,box-shadow .15s,transform .05s;white-space:nowrap;-webkit-user-select:none;-moz-user-select:none;user-select:none}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}.btn-ghost:hover:not(:disabled){border-color:var(--border-strong);background:#f9fafb}.btn-ok{background:var(--ok);color:#fff}.btn-ok:hover:not(:disabled){background:#166534}.btn-fail{background:var(--fail);color:#fff}.btn-fail:hover:not(:disabled){background:#991b1b}.btn-sm{padding:6px 12px;font-size:13px}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:13px;font-weight:600;color:var(--text)}.input,.textarea{width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:14px;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s}.input:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(249,115,22,.15)}.textarea{resize:vertical;min-height:80px;line-height:1.5}.tag{display:inline-flex;align-items:center;font-weight:700;letter-spacing:.01em;white-space:nowrap}.id-pill,.tag{font-size:11px;padding:2px 8px;border-radius:6px}.id-pill{background:var(--primary);color:#fff;font-weight:800}.avatar{width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0}.spinner{width:18px;height:18px;border:2px solid hsla(0,0%,100%,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}.spinner-dark{border-color:var(--border);border-top-color:var(--primary)}@keyframes spin{to{transform:rotate(1turn)}}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#111827;color:#fff;padding:12px 20px;border-radius:10px;font-size:14px;font-weight:500;box-shadow:var(--shadow-lg);z-index:2000;animation:toastIn .2s ease}.toast-error{background:#b91c1c}@keyframes toastIn{0%{opacity:0;transform:translateX(-50%) translateY(8px)}}