.practice-section{margin-top:24px;background:#fff;border:1px solid #deded9;border-radius:12px;overflow:hidden}.practice-title{font-size:21px;margin:0;padding:20px 22px;border-bottom:1px solid #deded9}.practice-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:20px 22px 22px}.practice-box{border:1px solid #deded9;border-radius:10px;padding:14px;background:#fcfcfb}.practice-head h3{margin:0;font-size:17px}.practice-head p{margin:4px 0 0;font-size:13px;color:#666}.practice-toolbar,.practice-decision,.practice-markers,.practice-actions{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 12px}.practice-btn{border:1px solid #ccc;background:#fff;border-radius:8px;padding:7px 10px;font-size:13px;cursor:pointer}.practice-btn:hover{border-color:#111}.practice-btn.active,.practice-btn.primary{background:#111;color:#fff;border-color:#111}.practice-canvas-wrap{border:1px solid #e5e5df;border-radius:10px;background:#fff;padding:10px}.practice-canvas-wrap canvas{display:block;width:100%;height:auto}.practice-legend{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:#666}.practice-legend span{display:flex;align-items:center;gap:6px}.practice-swatch{width:12px;height:12px;border-radius:3px;display:inline-block}.practice-guide{margin:12px 0 0;padding-left:18px;font-size:13px;color:#555}.practice-guide li{margin:5px 0}.trainer-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap;padding:20px 22px 0}.trainer-top h3{margin:0 0 5px;font-size:18px}.trainer-top p{margin:0;color:#666;font-size:13px;max-width:760px}.trainer-score{font:600 13px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid #deded9;border-radius:999px;padding:8px 11px;background:#fafaf8}.trainer-context{display:flex;gap:8px;flex-wrap:wrap;padding:10px 22px 14px}.trainer-pill{font-size:12px;padding:5px 8px;border-radius:999px;background:#f0f0ed;color:#555;border:1px solid #e5e5df}.trainer-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.55fr);gap:18px;padding:0 22px 22px}.trainer-canvas{border:1px solid #deded9;border-radius:10px;background:#fcfcfb;padding:12px}.trainer-canvas canvas{display:block;width:100%;height:auto}.trainer-side{border:1px solid #deded9;border-radius:10px;background:#fcfcfb;padding:14px}.trainer-label{font-size:13px;font-weight:700;margin-top:4px}.trainer-help,.trainer-click-note{font-size:12px;color:#777;margin:8px 0 12px}.trainer-click-note{color:#999}.trainer-feedback{min-height:100px;border:1px solid #e4e4de;border-radius:9px;background:#fff;padding:11px;font-size:13px;color:#555;white-space:pre-wrap}.trainer-feedback.good{border-color:#b9dec9;background:#f3fbf6}.trainer-feedback.bad{border-color:#ebc0bc;background:#fff6f5}.trainer-progress{height:6px;border-radius:999px;background:#ecece7;overflow:hidden;margin-top:12px}.trainer-progress>div{height:100%;background:#111;width:0;transition:.2s}@media(max-width:1000px){.practice-grid,.trainer-layout{grid-template-columns:1fr}}@media(max-width:700px){.practice-grid,.trainer-layout{padding-left:14px;padding-right:14px}.trainer-top,.trainer-context{padding-left:14px;padding-right:14px}}