.stage { max-width: 520px; }
.kl-tabs { display: flex; justify-content: center; gap: 6px; margin: 2px 0 8px; }
.kl-tab { background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 7px 18px; font: inherit; font-size: .86rem; cursor: pointer; }
.kl-tab.on { background: var(--gold); color: var(--ink); border-color: var(--gold); }
.kl-sub { text-align: center; color: var(--faint); font-size: .8rem; margin: 0 0 14px; }
.kl-board { display: grid; gap: 6px; width: min(100%, 330px); margin: 0 auto 18px; }
.kl-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.kl-row.no { animation: klno .4s; }
@keyframes klno { 20%, 60% { translate: -6px 0; } 40%, 80% { translate: 6px 0; } }
.kl-t {
  aspect-ratio: 1; display: grid; place-items: center; font-size: clamp(1.3rem, 6vw, 1.9rem); font-weight: 500;
  border: 2px solid var(--line); border-radius: 10px; background: var(--panel); color: var(--text); line-height: 1;
  transition: border-color .15s;
}
.kl-t.fill { border-color: var(--line2); animation: klpop .12s; }
@keyframes klpop { 50% { scale: 1.1; } }
.kl-t.ok { background: var(--green); border-color: var(--green); color: #0f2a1e; }
.kl-t.near { background: #e3a857; border-color: #e3a857; color: #2a1c05; }
.kl-t.no { background: #2a2622; border-color: #2a2622; color: var(--muted); }
.kl-t.flip { animation: klflip .55s both; animation-delay: var(--d, 0s); }
@keyframes klflip { 0% { transform: rotateX(0); background: var(--panel); border-color: var(--line); color: var(--text); } 49% { transform: rotateX(90deg); background: var(--panel); border-color: var(--line); color: var(--text); } 51% { transform: rotateX(90deg); } 100% { transform: rotateX(0); } }
.kl-keys { display: grid; gap: 6px; }
.kl-line { display: flex; justify-content: center; gap: 5px; }
.kl-k {
  flex: 1 1 0; min-width: 0; padding: 0; max-width: 42px; height: 50px; border: 0; border-radius: 8px; background: var(--panel2); color: var(--text);
  font: inherit; font-size: 1.15rem; cursor: pointer; transition: background .2s; box-shadow: inset 0 0 0 1px var(--line);
}
.kl-k.wide { max-width: 72px; font-size: .8rem; }
.kl-k:hover { background: #26211b; }
.kl-k.ok { background: var(--green); color: #0f2a1e; }
.kl-k.near { background: #e3a857; color: #2a1c05; }
.kl-k.no { background: #1a1612; color: var(--faint); box-shadow: none; }
.kl-ans { color: var(--gold-l); font-weight: 600; font-size: 1.2em; }
.kl-stats { display: flex; justify-content: center; gap: 20px; margin: 4px 0 12px; }
.kl-stats b { display: block; font-family: var(--mono); font-weight: 400; font-size: 1.5rem; color: var(--gold-l); line-height: 1.2; }
.kl-stats small { color: var(--faint); font-size: .72rem; }
.kl-dist { width: min(100%, 300px); margin: 0 auto 10px; display: grid; gap: 4px; text-align: start; }
.kl-d { display: grid; grid-template-columns: 16px 1fr; gap: 8px; align-items: center; font-size: .78rem; }
.kl-d span { color: var(--faint); font-family: var(--mono); }
.kl-d i { position: relative; font-style: normal; font-family: var(--mono); padding: 1px 8px; min-width: 24px; display: inline-block; color: var(--text); }
.kl-d i b { position: absolute; inset: 0 auto 0 0; width: max(24px, var(--w, 0%)); background: #2a2622; border-radius: 4px; z-index: -1; }
.kl-d i.me b { background: var(--green); }
.kl-d i.me { color: #0f2a1e; }
.kl-next { color: var(--muted); font-size: .85rem; }
.kl-next b { font-family: var(--mono); color: var(--gold-l); font-weight: 400; }
.kl-share { width: min(100%, 300px); height: 120px; margin: 0 auto 12px; display: block; background: var(--panel2); color: var(--text); border: 1px solid var(--line2); border-radius: 10px; padding: 8px; font: inherit; font-size: .85rem; resize: none; }
.kg-ok { color: var(--green); } .kg-near { color: #e3a857; }
@media (max-width: 640px) { .kl-k { height: 46px; font-size: 1.05rem; } .kl-line { gap: 4px; } }