.number-game{border:1px solid var(--line);background:#fff;border-radius:28px;width:min(100%,860px);margin:0 auto;padding:36px 48px 44px;box-shadow:0 12px 40px #25382e05}.number-game-topline{justify-content:space-between;align-items:center;gap:16px;display:flex}.number-game-category{color:var(--green);align-items:center;gap:8px;font-size:19px;font-weight:700;display:inline-flex}.number-game-count{color:var(--ink);font-size:24px;font-weight:700}.number-game-count span{color:var(--muted);font-size:18px;font-weight:500}.number-game-progress{gap:8px;margin-top:20px;display:flex}.number-game-progress span{background:#e8ece5;border-radius:10px;flex:1;height:5px}.number-game-progress .is-current{background:#a2baa3}.number-game-progress .is-done{background:var(--green)}.number-game-difficulty{max-width:480px;border:0;min-inline-size:0;margin:24px auto 0;padding:0}.number-game-difficulty legend{width:100%;color:var(--ink);margin-bottom:10px;font-size:18px;font-weight:650}.number-game-difficulty legend span{float:right;color:var(--muted);font-size:16px;font-weight:400}.number-game-lengths{grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;display:grid}.number-game-lengths button{min-height:56px;color:var(--ink);background:#f5f7f1;border:1px solid #dce3d6;border-radius:12px;padding:8px 2px;font-size:18px;font-weight:600}.number-game-lengths button[aria-pressed=true]{background:var(--green);border-color:var(--green);color:#fff}.number-game-lengths button:not([aria-pressed=true]):hover{background:#eaf0e3}.number-game-difficulty p{color:var(--muted);margin:9px 0 0;font-size:16px;line-height:1.5}.number-game-change-notice{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.number-game-heading{text-align:center;margin:40px 0 28px}.number-game h1{letter-spacing:-1.25px;color:var(--ink);word-break:keep-all;margin:0 0 12px;font-size:clamp(27px,3.1vw,36px);font-weight:750;line-height:1.5}.number-game h1:focus{outline:none}.number-game-heading p{color:var(--muted);word-break:keep-all;margin:0;font-size:20px;line-height:1.7}.number-game-display,.number-game-recall,.number-game-feedback{text-align:center}.number-game-sequence,.number-game-answer{justify-content:center;gap:12px;margin:40px auto 28px;display:flex}.number-game-tile,.number-game-slot{aspect-ratio:.9;font-variant-numeric:tabular-nums;border-radius:18px;flex:0 88px;justify-content:center;align-items:center;min-width:0;font-size:clamp(36px,6vw,58px);font-weight:650;display:flex}.number-game-tile{color:var(--green);background:#eef3e8;border:1px solid #e3eadb}.number-game-reassurance{color:var(--muted);justify-content:center;align-items:center;gap:8px;margin:32px 0 36px;font-size:18px;line-height:1.6;display:flex}.number-game .number-game-main{border-radius:16px;justify-content:center;align-items:center;gap:16px;width:min(100%,410px);min-height:68px;margin:0 auto;padding:16px 24px;font-size:22px;display:flex}.number-game button{touch-action:manipulation}.number-game button:focus-visible{outline-offset:4px;outline:3px solid #b36b30}.number-game button:disabled{opacity:1;cursor:default}.number-game .number-game-main:disabled{color:#667162;background:#e5e9e2}.number-game-answer{gap:10px;margin-top:22px;margin-bottom:10px}.number-game-slot{aspect-ratio:1.05;color:#869381;background:#fafbf8;border:2px dashed #cbd3c8;border-radius:12px;flex-basis:66px;font-size:34px}.number-game-slot.is-filled{color:var(--green);background:#eef3e8;border:2px solid #becfbc}.number-game-selection{min-height:28px;color:var(--muted);margin:12px 0 22px;font-size:18px}.number-game-keypad{grid-template-columns:repeat(3,1fr);gap:10px;width:min(100%,390px);margin:0 auto;display:grid}.number-game-key{min-height:68px;color:var(--ink);background:#fff;border:1px solid #cfd7cb;border-radius:14px;font-size:32px;font-weight:600;transition:background .12s,transform .12s;box-shadow:0 3px #e8ece4}.number-game-key:not(:disabled):hover{background:#f1f5ed}.number-game-key:not(:disabled):active{transform:translateY(2px);box-shadow:0 1px #e8ece4}.number-game-key:disabled{color:#7a8577;box-shadow:none;background:#f0f3ee;border-color:#e1e7dd}.number-game-tools{justify-content:space-between;gap:10px;width:min(100%,410px);margin:14px auto 18px;display:flex}.number-game-tool{min-height:56px;color:var(--green);background:0 0;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:8px 12px;font-size:18px;display:inline-flex}.number-game-tool:not(:disabled):hover{background:#f1f5ed}.number-game-tool:disabled{color:#7c8579}.number-game-feedback-symbol{width:76px;height:76px;color:var(--green);background:#eef3e8;border-radius:50%;justify-content:center;align-items:center;margin:16px auto 20px;display:flex}.number-game-feedback-label{color:var(--muted);margin:0;font-size:18px}.number-game-feedback .number-game-sequence{margin-top:16px;margin-bottom:20px}.number-game-your-answer{color:var(--muted);margin:14px 0;font-size:20px}.number-game-feedback-note{color:var(--muted);margin:24px 0 30px;font-size:18px;line-height:1.6}@media (max-width:700px){.number-game{border-radius:22px;padding:26px 24px 32px}.number-game-heading{margin-top:30px}.number-game-sequence{gap:8px}.number-game-tile{border-radius:12px}}@media (max-width:430px){.number-game{padding:24px 16px 28px}.number-game-topline{flex-wrap:wrap;gap:8px 16px}.number-game-category,.number-game-difficulty legend{font-size:20px}.number-game-difficulty legend span{float:none;font-size:18px;display:block}.number-game-lengths{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.number-game-lengths button{min-width:48px;font-size:20px}.number-game-lengths button:first-child{grid-column:1/-1}.number-game-difficulty p{font-size:18px}.number-game h1{letter-spacing:-1px;font-size:27px}.number-game-heading p{font-size:20px}.number-game-sequence,.number-game-answer{gap:6px}.number-game-tile{font-size:32px}.number-game-slot{border-radius:9px;font-size:28px}.number-game-tools{flex-wrap:wrap}.number-game-tool{flex:120px;gap:5px;padding:8px 6px;font-size:20px}.number-game-key{min-height:64px}.number-game-reassurance{gap:6px;font-size:20px}.number-game-selection,.number-game-feedback-note{font-size:20px}}@media (prefers-reduced-motion:reduce){.number-game *{transition:none}}