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1px #0f172a0a;--shadow-sm:0 1px 2px #0f172a0f;--shadow-md:0 1px 2px #0f172a0a, 0 4px 12px #0f172a14;--shadow-lg:0 4px 8px #0f172a0f, 0 12px 32px #0f172a1f;--shadow-xl:0 8px 16px #0f172a14, 0 24px 56px #0f172a29;--shadow-drawer:-8px 0 24px #0f172a14;--mask-bg:#0f172a66;--ring-primary:0 0 0 3px #5b5bd624;--ink-rgb:15 23 42;--primary-rgb:91 91 214;--z-sticky:100;--z-drawer:200;--z-modal:300;--z-toast:400;--header-h:57px;--page-max:1200px;--page-pad:32px;--ease:cubic-bezier(.4, 0, .2, 1);--dur-fast:.15s;--dur:.25s;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0}::selection{background:var(--primary-bg-strong)}.btn{font:inherit;border-radius:var(--r-sm);border:1px solid var(--border);background:var(--bg);color:var(--text);white-space:nowrap;cursor:pointer;transition:background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);justify-content:center;align-items:center;gap:6px;padding:7px 16px;font-size:13px;font-weight:500;line-height:1.4;text-decoration:none;display:inline-flex}.btn:hover:not(:disabled){border-color:var(--border-strong);background:var(--bg-subtle)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{box-shadow:0 0 0 3px rgb(var(--primary-rgb) / 25%);outline:none}.btn--primary{background:var(--primary-btn);border-color:var(--primary-btn);color:#fff}.btn--primary:hover:not(:disabled){background:var(--primary-btn-hover);border-color:var(--primary-btn-hover)}.btn--success{background:var(--green-strong);border-color:var(--green-strong);color:#fff}.btn--success:hover:not(:disabled){background:var(--green-hover);border-color:var(--green-hover)}.btn--sm{padding:5px 10px;font-size:12px}.btn--lg{border-radius:10px;padding:10px 22px;font-size:14px;font-weight:600}.mask{z-index:var(--z-modal);background:var(--mask-bg);animation:mask-in var(--dur-fast) var(--ease);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}@keyframes mask-in{0%{opacity:0}}@keyframes toast-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:.9s linear infinite spin}.lucide{vertical-align:-2px}.spinner{border:2px solid var(--border-strong);border-top-color:var(--primary);border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin;display:inline-block}.skeleton{border-radius:var(--r-md);background:linear-gradient(90deg, var(--bg-muted) 25%, var(--bg-subtle) 37%, var(--bg-muted) 63%);background-size:400% 100%;animation:1.4s infinite skeleton-shine}@keyframes skeleton-shine{0%{background-position:100%}to{background-position:0}}button:focus-visible{outline:2px solid var(--primary);outline-offset:2px}a:focus-visible{outline:2px solid var(--primary);outline-offset:2px}[tabindex]:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.chip:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.card:focus-visible{outline:2px solid var(--primary);outline-offset:2px}.btn:focus-visible{outline:none}html[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0f141a;--bg-subtle:#151b23;--bg-muted:#1c242e;--text:#e8edf3;--text-secondary:#c3cbd6;--text-dim:#a2adbc;--text-faint:#7d8797;--border:#262e39;--border-strong:#36404d;--primary:#9d9df5;--primary-strong:#9d9df5;--primary-hover:#babaf8;--primary-btn:#5b5bd6;--primary-btn-hover:#6c6ce0;--primary-bg:#1a1a33;--primary-bg-strong:#222247;--primary-border:#343466;--primary-soft:#4d4da8;--tag-level-text:#aeb6fb;--tag-style-text:#c9b8fa;--mastery-red:#f87171;--mastery-yellow:#fbbf24;--mastery-green:#4ade80;--red-bg:#2a1517;--red-tint:#1f1214;--amber-bg:#241b0d;--amber-tint:#1e170c;--amber-border:#4a3a16;--amber-text:#f0b24a;--green-strong:#16a34a;--green-hover:#4ade80;--green-bg:#12261a;--green-tint:#102017;--green-border:#1f4a2f;--shadow-xs:0 1px 1px #0000004d;--shadow-sm:0 1px 2px #0006;--shadow-md:0 1px 2px #00000059, 0 4px 12px #00000073;--shadow-lg:0 4px 8px #0006, 0 12px 32px #0000008c;--shadow-xl:0 8px 16px #00000073, 0 24px 56px #000000a6;--shadow-drawer:-8px 0 24px #0000008c;--mask-bg:#000000a6;--ring-primary:0 0 0 3px #9d9df540;--ink-rgb:0 0 0;--primary-rgb:157 157 245;--vf-node-bg:#151b23;--vf-node-text:#e8edf3;--vf-connection-path:#3d4756;--vf-handle:#5b6675}html[data-theme=dark] body{background:var(--bg)}html[data-theme=dark] ::selection{background:#2e2e66}html[data-theme=dark] .vue-flow__controls-button{background:var(--bg-subtle);border-bottom:1px solid var(--border);color:var(--text-dim);fill:currentColor}html[data-theme=dark] .vue-flow__controls-button:hover{background:var(--bg-muted);color:var(--text)}html[data-theme=dark] .vue-flow__handle{background:var(--vf-handle)}html[data-theme=dark] .vue-flow__edge-textbg{fill:var(--bg-subtle)}html[data-theme=dark] input,html[data-theme=dark] textarea,html[data-theme=dark] select{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}input:focus-visible{border-color:var(--primary);box-shadow:var(--ring-primary);outline:none}textarea:focus-visible{border-color:var(--primary);box-shadow:var(--ring-primary);outline:none}@media (max-width:720px){:root{--header-h:54px;--page-pad:16px}html{text-size-adjust:100%}body{overflow-x:clip}}