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var(--black);background:var(--white);color:var(--black);font-family:inherit;font-size:16px;outline:none}.input:focus{background:var(--bg)}.loading{display:inline-block;width:10px;height:10px;border:2px solid var(--black);border-top-color:transparent;animation:spin 1s linear infinite;margin-right:6px;vertical-align:middle}.hidden{display:none!important}.text-ellipsis{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.flex-center{display:flex;align-items:center;justify-content:center}@media (max-width: 900px){:root{--left-width: 100%}}.btn{padding:10px 20px;border:var(--border);background:var(--white);color:var(--black);font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;border-radius:var(--radius)}.btn:hover:not(:disabled){background:var(--black);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--white);border-color:var(--accent)}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.input{padding:10px 12px;border:var(--border);background:var(--white);font-family:inherit;font-size:14px;outline:none;transition:all .2s ease;border-radius:var(--radius)}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #ff6b351a}.card{background:var(--white);border:var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.loading{display:inline-block;width:20px;height:20px;border:3px solid var(--gray-lighter);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:60px 20px;color:var(--gray)}.empty-icon{font-size:48px;margin-bottom:16px;opacity:.3}.empty-text{font-size:16px;font-weight:500}:root{--bg: #f5f5f0;--bg-dark: #e5e5e0;--black: #1a1a1a;--white: #ffffff;--accent: #ff6b35;--gray: #666666;--gray-light: #999999}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%}body{font-family:Inter,Noto Sans SC,sans-serif;background:var(--bg);color:var(--black);line-height:1.4;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{height:100%}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--gray-light)}::-webkit-scrollbar-thumb:hover{background:var(--gray)}