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rgba(255,255,255,.15);border-top-color:var(--accent-amber);border-radius:50%;animation:agent-tool-spin .7s linear infinite}@keyframes agent-tool-spin{to{transform:rotate(360deg)}}.platform-toggle{display:flex;align-items:center;gap:10px;margin:12px 0;cursor:pointer}.modal-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#000000a6;display:flex;align-items:center;justify-content:center;padding:16px}.modal-panel{width:min(520px,100%);max-height:85dvh;display:flex;flex-direction:column;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border-subtle)}.modal-head h3{margin:0;font-size:1.1rem}.modal-foot{display:flex;justify-content:flex-end;gap:12px;padding:14px 18px;border-top:1px solid var(--border-subtle)}.gh-picker-repo,.gh-picker-crumbs{padding:0 18px 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