.kkt-trainer{--kkt-border:#dfe3e8;--kkt-text:#1f2937;--kkt-muted:#667085;--kkt-bg:#fff;--kkt-soft:#f7f8fa;--kkt-accent:#111827;max-width:900px;margin:32px auto;padding:24px;border:1px solid var(--kkt-border);border-radius:20px;background:var(--kkt-bg);color:var(--kkt-text);box-shadow:0 10px 30px rgba(16,24,40,.06);font:inherit}.kkt-trainer *{box-sizing:border-box}.kkt-trainer__head{margin-bottom:18px}.kkt-trainer__eyebrow,.kkt-label{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--kkt-muted)}.kkt-trainer__title{margin:5px 0 8px;font-size:clamp(1.5rem,3vw,2.15rem);line-height:1.15}.kkt-trainer__lead{margin:0;max-width:760px;color:var(--kkt-muted);line-height:1.65}.kkt-tabs{display:flex;gap:8px;margin:20px 0}.kkt-tab,.kkt-btn,.kkt-segmented button,.kkt-cell{font:inherit}.kkt-tab{border:1px solid var(--kkt-border);background:var(--kkt-soft);padding:10px 14px;border-radius:999px;cursor:pointer;font-weight:700;color:var(--kkt-text)}.kkt-tab.is-active{background:var(--kkt-accent);color:#fff;border-color:var(--kkt-accent)}.kkt-panel[hidden]{display:none!important}.kkt-layout{display:grid;grid-template-columns:minmax(290px,1fr) minmax(250px,.8fr);gap:24px;align-items:start}.kkt-board-wrap{padding:18px;border-radius:16px;background:var(--kkt-soft)}.kkt-turn-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.kkt-segmented{display:inline-flex;padding:3px;background:#e8ebef;border-radius:10px}.kkt-segmented button{min-width:42px;border:0;background:transparent;padding:7px 10px;border-radius:8px;cursor:pointer;font-weight:800}.kkt-segmented button.is-active{background:#fff;box-shadow:0 1px 4px rgba(16,24,40,.12)}.kkt-board{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:min(100%,390px);aspect-ratio:1;margin:auto}.kkt-cell{position:relative;border:1px solid #cfd5dc;border-radius:14px;background:#fff;cursor:pointer;font-size:clamp(2rem,7vw,4rem);font-weight:800;line-height:1;display:grid;place-items:center;color:var(--kkt-text);transition:transform .12s ease,border-color .12s ease,box-shadow .12s ease}.kkt-cell:hover:not(:disabled){transform:translateY(-1px);border-color:#9aa4b2;box-shadow:0 4px 14px rgba(16,24,40,.08)}.kkt-cell:focus-visible,.kkt-btn:focus-visible,.kkt-tab:focus-visible,.kkt-segmented button:focus-visible{outline:3px solid rgba(17,24,39,.22);outline-offset:2px}.kkt-cell.is-best{box-shadow:inset 0 0 0 4px #16a34a;background:#f0fdf4}.kkt-cell.is-wrong{box-shadow:inset 0 0 0 4px #dc2626;background:#fef2f2}.kkt-cell.is-locked{cursor:default}.kkt-help{margin:12px 0 0;color:var(--kkt-muted);font-size:.92rem;text-align:center}.kkt-actions-card{border:1px solid var(--kkt-border);border-radius:16px;padding:18px}.kkt-actions-card h3,.kkt-training-head h3{margin:0 0 12px;font-size:1.15rem}.kkt-btn{display:block;width:100%;border:1px solid #cfd5dc;background:#fff;color:var(--kkt-text);padding:11px 14px;border-radius:12px;cursor:pointer;font-weight:700;margin-top:9px}.kkt-btn:hover:not(:disabled){background:#f9fafb}.kkt-btn--primary{background:var(--kkt-accent);border-color:var(--kkt-accent);color:#fff}.kkt-btn--primary:hover:not(:disabled){background:#2b3442}.kkt-btn--ghost{border-color:transparent;color:var(--kkt-muted)}.kkt-btn:disabled{opacity:.5;cursor:not-allowed}.kkt-result{margin-top:16px;padding:14px;border-radius:12px;background:var(--kkt-soft);border-left:4px solid #98a2b3}.kkt-result.is-success{border-left-color:#16a34a;background:#f0fdf4}.kkt-result.is-warning{border-left-color:#d97706;background:#fffbeb}.kkt-result.is-error{border-left-color:#dc2626;background:#fef2f2}.kkt-result strong{display:block;margin-bottom:4px}.kkt-result p{margin:0;line-height:1.55;color:#475467}.kkt-training-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.kkt-score{padding:8px 12px;border-radius:999px;background:var(--kkt-soft)}.kkt-training-prompt{margin:0 0 12px;text-align:center;font-weight:700}.kkt-cell[disabled]{cursor:default}.kkt-cell.is-disabled{opacity:.82}@media(max-width:720px){.kkt-trainer{padding:16px;border-radius:16px}.kkt-layout{grid-template-columns:1fr}.kkt-actions-card{order:2}.kkt-tabs{overflow:auto;padding-bottom:2px}.kkt-tab{white-space:nowrap}.kkt-training-head{align-items:flex-start;flex-direction:column}.kkt-score{align-self:flex-start}}@media(prefers-reduced-motion:reduce){.kkt-cell{transition:none}}