.mmum-puzzle{--mmum-blue:#9edcff;--mmum-blue-strong:#1769d1;--mmum-gray:#dedede;--mmum-green:#14853b;box-sizing:border-box;margin:1.5em auto;max-width:620px;width:100%}.mmum-puzzle *,.mmum-puzzle *::before,.mmum-puzzle *::after{box-sizing:border-box}.mmum-puzzle__title{margin:0 0 8px}.mmum-puzzle__instructions{margin:0 0 10px}.mmum-puzzle__meta{align-items:center;display:flex;gap:12px;justify-content:space-between;margin:0 0 12px}.mmum-puzzle__difficulty{background:#eef3f8;border-radius:999px;display:inline-block;font-size:.82em;font-weight:700;padding:3px 10px}.mmum-puzzle__timer{font-family:Arial,Helvetica,sans-serif;font-size:clamp(20px,5vw,28px);font-variant-numeric:tabular-nums;font-weight:800;white-space:nowrap}.mmum-puzzle__grid{aspect-ratio:1;border:3px solid #171717;display:grid;grid-template-columns:1fr .42fr 1fr .42fr 1fr;grid-template-rows:1fr .42fr 1fr .42fr 1fr;overflow:hidden;width:100%}.mmum-puzzle__cell{-webkit-appearance:none;align-items:center;background:#fff;border:1px solid #777;border-radius:0;color:#111;cursor:pointer;display:flex;font-family:Arial,Helvetica,sans-serif;font-size:clamp(30px,12vw,70px);font-weight:800;justify-content:center;line-height:1;margin:0;min-height:0;padding:0;position:relative;transition:background-color .1s ease;touch-action:manipulation}.mmum-puzzle__sum{align-items:center;align-self:center;background:#fff;border:2px solid #171717;display:flex;font-family:Arial,Helvetica,sans-serif;font-size:clamp(17px,5vw,30px);font-weight:800;height:100%;justify-content:center;justify-self:center;line-height:1;min-height:0;width:100%;z-index:3}.mmum-puzzle__cell.is-given{background:var(--mmum-gray)}.mmum-puzzle__cell.is-match,.mmum-puzzle__cell.is-given.is-match{background:var(--mmum-blue)}.mmum-puzzle__cell.is-selected{box-shadow:inset 0 0 0 4px #111;z-index:2}.mmum-puzzle__cell.is-error{background:#ffd6d6;color:#b00020}.mmum-puzzle__cell.is-conflict{box-shadow:inset 0 0 0 4px #d32f2f;z-index:2}.mmum-puzzle__cell.is-selected.is-conflict{box-shadow:inset 0 0 0 4px #d32f2f, inset 0 0 0 7px #111}.mmum-puzzle__cell.is-hint{color:var(--mmum-blue-strong)}.mmum-puzzle__cell.is-revealed{color:#59636e}.mmum-puzzle__numbers{display:grid;gap:8px;grid-template-columns:repeat(5,minmax(0,1fr));margin-top:18px}.mmum-number{-webkit-appearance:none;align-items:center;background:#fff;border:2px solid #444;border-radius:14px;color:#111;cursor:pointer;display:flex;font-family:Arial,Helvetica,sans-serif;justify-content:center;min-height:68px;min-width:0;padding:5px 8px;position:relative;touch-action:manipulation}.mmum-number strong{font-size:clamp(28px,8vw,44px);line-height:1}.mmum-number:not(.mmum-erase) strong{transform:translateY(9px)}.mmum-number small{font-size:11px;font-weight:700;line-height:1;position:absolute;right:6px;top:6px;white-space:nowrap}.mmum-number:hover,.mmum-number:focus-visible{border-color:var(--mmum-blue-strong);color:var(--mmum-blue-strong)}.mmum-number.is-complete{background:#edf0f3;color:#77808a}.mmum-erase{flex-direction:column;gap:2px}.mmum-erase strong{font-size:clamp(25px,7vw,38px)}.mmum-erase small{font-size:11px;margin-top:0;position:static}.mmum-puzzle__toolbar{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.mmum-puzzle__button{-webkit-appearance:none;background:#fff;border:2px solid #222;border-radius:4px;color:#111;cursor:pointer;font:inherit;font-weight:700;padding:.55em 1em}.mmum-puzzle__button:hover,.mmum-puzzle__button:focus-visible{border-color:var(--mmum-blue-strong);color:var(--mmum-blue-strong)}.mmum-puzzle__button:disabled{cursor:default;opacity:.45}.mmum-puzzle__message{border:2px solid;border-radius:5px;font-weight:700;margin-top:16px;padding:13px 15px;text-align:center}.mmum-puzzle__message.is-success{background:#e7f7eb;border-color:var(--mmum-green);color:#075a24}.mmum-puzzle__message.is-error{background:#fff0f0;border-color:#c62828;color:#8d1111}.mmum-puzzle__message.is-info{background:#eef5ff;border-color:var(--mmum-blue-strong);color:#114b91}.mmum-score-entry,.mmum-leaderboard{background:#f5f7fa;border-radius:5px;margin-top:18px;padding:16px}.mmum-score-entry h4,.mmum-leaderboard h4{margin:0 0 12px}.mmum-score-entry form{align-items:flex-end;display:flex;flex-wrap:wrap;gap:10px}.mmum-score-entry label{flex:1 1 220px;font-weight:700}.mmum-score-entry input{background:#fff;border:1px solid #777;border-radius:3px;display:block;font:inherit;margin-top:4px;padding:8px 10px;width:100%}.mmum-score-entry__status{font-weight:700;margin-top:8px}.mmum-leaderboard ol{counter-reset:mmum-rank;list-style:none;margin:0;padding:0}.mmum-leaderboard li{border-bottom:1px solid #d6dce2;counter-increment:mmum-rank;display:grid;gap:12px;grid-template-columns:2em 1fr auto;padding:7px 2px}.mmum-leaderboard li::before{content:counter(mmum-rank) ".";font-weight:800}.mmum-leaderboard li:last-child{border-bottom:0}.mmum-leaderboard time{font-variant-numeric:tabular-nums;font-weight:800}.mmum-leaderboard sup{color:#b00020;font-size:.75em;font-weight:800;margin-left:2px}.mmum-leaderboard__note{font-size:.88em;margin:10px 0 0}.mmum-score-entry[hidden],.mmum-leaderboard[hidden],.mmum-puzzle__message[hidden],.mmum-leaderboard__note[hidden]{display:none!important}@media(min-width:620px){.mmum-puzzle__numbers{grid-template-columns:repeat(10,minmax(0,1fr))}.mmum-number{border-radius:12px;min-height:76px}.mmum-puzzle__toolbar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}.mmum-puzzle__toolbar .mmum-puzzle__button{align-items:center;display:flex;justify-content:center;min-height:52px;text-align:center}}@media(max-width:480px){.mmum-puzzle__cell.is-selected{box-shadow:inset 0 0 0 3px #111}.mmum-number{min-height:60px}.mmum-puzzle__toolbar{display:grid;grid-template-columns:1fr 1fr}.mmum-puzzle__button{padding-left:.6em;padding-right:.6em}}