:root{--app-radius:14px;--app-border:#eef1f6;--app-bg:#f4f6fb;--app-surface:#fff;--app-text:#1f2937;--app-muted:#8a94a6;--app-shadow:0 1px 2px #1018280a, 0 10px 30px -12px #10182824}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{background:var(--app-bg);color:var(--app-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}a{text-decoration:none}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#64748b47;border-radius:8px}::-webkit-scrollbar-thumb:hover{background:#64748b73}::-webkit-scrollbar-track{background:0 0}.surface{background:var(--app-surface);border:1px solid var(--app-border);border-radius:var(--app-radius);box-shadow:var(--app-shadow)}.page-header{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.page-header__title{letter-spacing:-.01em;align-items:center;gap:12px;font-size:20px;font-weight:650;display:flex}.page-header__subtitle{color:var(--app-muted);margin-top:2px;font-size:13px}.page-header__icon{color:#fff;background:linear-gradient(135deg,#4f7cf7,#6d5ef7);border-radius:12px;place-items:center;width:40px;height:40px;font-size:18px;display:grid;box-shadow:0 8px 20px -8px #4f7cf7b3}@keyframes app-fade-up{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-up{animation:.35s cubic-bezier(.22,1,.36,1) both app-fade-up}.brand-gradient{background:linear-gradient(135deg,#4f7cf7 0%,#7c5cf7 100%)}.ant-table-wrapper .ant-table{background:0 0}@media (width<=768px){.hide-sm{display:none!important}}.user-chip:hover{background:#3b6ef614}.editor-canvas{background-color:#f6f8fc;background-image:radial-gradient(#dde4f0 1px,#0000 1px);background-size:18px 18px}.editor-paper{border:1px solid var(--app-border);background:#fff;border-radius:18px;box-shadow:0 18px 50px -30px #1f293759}.q-card{transition:box-shadow .2s,border-color .2s,transform .2s}.q-card:hover{box-shadow:0 14px 34px -18px #1f293759;border-color:#d7e0f5!important}