:root{--accent: #bcff2f;--accent-dim: rgba(188, 255, 47, .18);--surface: #f4f4f6;--surface-2: #ebebed;--text: #0a0a0a;--muted: rgba(0, 0, 0, .42);--line: rgba(0, 0, 0, .08);--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 1px 4px rgba(0,0,0,.04);--shadow-lg: 0 12px 40px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.06);--radius-sm: 10px;--radius-md: 16px;--radius-lg: 20px;font-family:Inter,PingFang SC,Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text);background:#e8ebf0;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{min-height:100%;margin:0}body{min-width:320px}button,input{font:inherit}button{cursor:pointer}@media (hover: hover) and (pointer: fine){button:focus-visible,input:focus-visible{outline-offset:3px}}.app-shell{min-height:100vh;display:flex;justify-content:center;background:radial-gradient(ellipse at 50% -10%,rgba(188,255,47,.22),transparent 32rem),radial-gradient(ellipse at 80% 60%,rgba(100,160,255,.06),transparent 24rem),#e8ebf0}.phone-frame{width:min(100vw,430px);min-height:100vh;background:#fafafa;box-shadow:0 32px 96px #0f172a24,0 8px 24px #0f172a0f}.top-bar{height:91px;display:flex;align-items:center;justify-content:space-between;padding:32px 18px 13px;background:#fafafa}.brand-logo{width:34px;height:34px;border-radius:9px;object-fit:cover;background:#d9d9d9;box-shadow:var(--shadow-sm)}.top-actions,.tool-actions{display:flex;align-items:center;gap:6px}.icon-button{width:32px;height:32px;padding:0;display:inline-flex;align-items:center;justify-content:center;color:#1a1a1a;background:transparent;border:0;border-radius:10px;transition:background-color .16s ease,transform .16s 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