@keyframes _si{to{opacity:1}}

.legacy-content .demo-wrap {display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:8px}@media(max-width:768px){.legacy-content .demo-wrap {grid-template-columns:1fr}}.legacy-content .demo-box {background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-card);position:relative;overflow:hidden}.legacy-content .demo-box h3 {font-size:16px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}.legacy-content .demo-box.no-grade h3 {color:var(--danger)}.legacy-content .demo-box.graded h3 {color:var(--success)}.legacy-content .demo-box .badge {font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;margin-left:auto}.legacy-content .no-grade .badge {background:rgba(220,38,38,.08);color:var(--danger)}.legacy-content .graded .badge {background:rgba(22,163,74,.08);color:var(--success)}.legacy-content .step-list {list-style:none;padding:0}.legacy-content .step-item {display:flex;align-items:flex-start;gap:10px;padding:10px 12px;margin-bottom:6px;border-radius:var(--radius-sm);font-size:13px;line-height:1.6;opacity:0;transform:translateY(8px);transition:all .35s ease}.legacy-content .step-item.show {opacity:1;transform:translateY(0)}.legacy-content .step-num {width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex-shrink:0;color:#fff}.legacy-content .no-grade .step-num {background:var(--sub)}.legacy-content .graded .step-num {background:var(--sub)}.legacy-content .step-item.needs-confirm {background:rgba(220,38,38,.04);border:1px solid rgba(220,38,38,.12)}.legacy-content .step-item.needs-confirm .step-num {background:var(--danger)}.legacy-content .step-item.auto-ok {background:rgba(22,163,74,.04);border:1px solid rgba(22,163,74,.12)}.legacy-content .step-item.auto-ok .step-num {background:var(--success)}.legacy-content .popup-overlay {position:absolute;inset:0;background:rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;z-index:10;opacity:0;pointer-events:none;transition:opacity .25s}.legacy-content .popup-overlay.show {opacity:1;pointer-events:auto}.legacy-content .popup-dialog {background:var(--card);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow-pop);max-width:280px;text-align:center}.legacy-content .popup-dialog .popup-title {font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px}.legacy-content .popup-dialog .popup-desc {font-size:12px;color:var(--sub);margin-bottom:14px;line-height:1.6}.legacy-content .popup-dialog .popup-btns {display:flex;gap:8px;justify-content:center}.legacy-content .popup-btn {padding:7px 18px;border-radius:999px;font-size:12px;font-weight:700;cursor:pointer;border:none;font-family:inherit;transition:all .15s}.legacy-content .popup-btn.allow {background:var(--accent);color:#fff}.legacy-content .popup-btn.allow:hover {filter:brightness(1.1)}.legacy-content .popup-btn.deny {background:rgba(0,0,0,.06);color:var(--sub)}.legacy-content .counter-row {display:flex;gap:20px;margin-top:20px;flex-wrap:wrap}.legacy-content .counter-card {flex:1;min-width:160px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:18px;text-align:center;box-shadow:var(--shadow-card)}.legacy-content .counter-card .cn {font-size:36px;font-weight:900;letter-spacing:-1px}.legacy-content .counter-card .cl {font-size:13px;color:var(--sub);font-weight:600;margin-top:4px}.legacy-content .no-grade-counter .cn {color:var(--danger)}.legacy-content .graded-counter .cn {color:var(--success)}.legacy-content .play-btn {display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:#fff;border:none;padding:10px 24px;border-radius:999px;font-size:14px;font-weight:700;cursor:pointer;margin-top:14px;transition:all .2s;font-family:inherit}.legacy-content .play-btn:hover {transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,102,255,.3)}.legacy-content .play-btn:disabled {background:#c4c8cf;cursor:not-allowed;box-shadow:none;transform:none}.legacy-content .takeaway {background:rgba(0,102,255,.04);border:1.5px solid rgba(0,102,255,.18);border-radius:var(--radius);padding:16px 20px;font-size:15px;color:var(--text);display:flex;gap:10px;line-height:1.7;margin-top:24px}.legacy-content .takeaway b {color:var(--accent)}

.legacy-content .xa-tldr {margin:18px 0 4px;padding:14px 18px;background:rgba(0,102,255,0.04);border:1px solid rgba(0,102,255,0.16);border-radius:10px}.legacy-content .xa-tldr .xa-tldr-tag {display:block;font-size:11px;font-weight:800;letter-spacing:1px;color:var(--accent,#0066ff);margin-bottom:6px}.legacy-content .xa-tldr p {margin:0;font-size:15px;line-height:1.8;color:var(--text,#1f2937)}