:root{--bg:#e8edf4;--panel:#f5f7fb;--dark:#aeb8c7;--darker:#758297;--light:#fff;--counter-bg:#172033;--counter-digit:#ff665a;--cell-bg:#e7ecf3;--number-1:#00f;--number-2:#007f00;--number-3:red;--number-4:#00007f;--number-5:#7f0000;--number-6:#007f7f;--number-7:#000;--number-8:#7f7f7f;--mine-red:#bd3d3d}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;min-height:100%;margin:0;overflow-x:hidden}body{background:radial-gradient(circle at top, #f9fbff 0%, var(--bg) 65%);color:#1d2939;place-items:center;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:grid}button{font:inherit}.game-shell{width:100%;min-width:0;padding:16px}.game-window{background:var(--panel);border:1px solid #cbd4e1;border-radius:14px;width:min(100%,1280px);min-width:0;margin:0 auto;padding:8px;overflow:hidden;box-shadow:0 16px 45px #2d3d5229}.title-bar{color:#fff;letter-spacing:.04em;background:linear-gradient(115deg,#1d4e89 0%,#3479bf 100%);border-radius:8px;justify-content:space-between;align-items:center;padding:9px 12px;font-size:.83rem;font-weight:700;display:flex}.title-text{white-space:nowrap}.game-topbar{background:#edf1f7;border:1px solid #d7deea;border-radius:10px;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;margin-top:8px;padding:10px 12px;display:grid}.game-help{color:#303030;margin:8px 2px 0;font-size:.7rem;line-height:1.35}.difficulty-picker{color:#303030;align-items:center;gap:7px;margin:8px 2px 0;font-size:.75rem;font-weight:700;display:flex}.difficulty-picker select{color:#202020;max-width:100%;min-height:30px;font:inherit;background:#fff;border:1px solid #aeb8c7;border-radius:6px;padding:4px 7px}.defuse-controls{flex-wrap:wrap;gap:5px;margin:5px 2px 0;display:flex}.defuse-toggle,.defuse-lock{color:#202020;cursor:pointer;background:#fff;border:1px solid #aeb8c7;border-radius:7px;align-items:center;gap:5px;min-height:30px;padding:4px 9px;font-size:.75rem;font-weight:700;display:inline-flex}.defuse-toggle[aria-pressed=true]{color:#175d21;background:#c9e7c5;border-color:#5b9b65}.defuse-lock[aria-pressed=true]{color:#174e8d;background:#d5e5f8;border-color:#476d9e}.defuse-toggle:disabled,.defuse-lock:disabled{cursor:default;opacity:.55}.game-status{color:#a11313;min-height:1.35em;margin:2px 2px 0;font-size:.7rem;font-weight:700;line-height:1.35}.clear-banner{color:#17643f;background:#e8f6eb;border:1px solid #8cc69a;border-radius:8px;align-items:center;gap:7px;margin:7px 2px 0;padding:8px 10px;font-size:.78rem;font-weight:750;display:flex}.counter{background:var(--counter-bg);width:88px;height:42px;color:var(--counter-digit);letter-spacing:.08em;text-align:center;border:1px solid #0d1421;border-radius:7px;justify-content:center;align-items:center;gap:4px;font-family:Consolas,Courier New,monospace;font-size:1.7rem;font-weight:700;line-height:1;display:flex;box-shadow:inset 0 1px #ffffff1a}#timer{justify-self:end}.face-button{color:#2d6fac;cursor:pointer;background:#fff;border:1px solid #aeb8c7;border-radius:9px;justify-self:center;place-items:center;width:42px;height:42px;line-height:1;display:grid}.board-scroll{min-width:0;max-width:100%;margin-top:10px;overflow:auto hidden}.board{background:#dce3ed;border:1px solid #bdc8d7;border-radius:9px;gap:0;width:max-content;padding:6px;display:grid}.cell{background:var(--cell-bg);color:#111;-webkit-user-select:none;user-select:none;cursor:pointer;border:1px solid #b9c5d4;place-items:center;width:42px;min-width:42px;height:42px;padding:2px;font-size:clamp(.7rem,1.45vw,1.05rem);font-weight:700;transition:background .12s,box-shadow .12s,transform .12s;display:grid;position:relative}.cell:hover{background:#f5f8fc;box-shadow:inset 0 0 0 1px #fff}.cell:active{transform:scale(.96)}.cell:disabled{cursor:default}.cell:disabled:active{transform:none}.cell.revealed{background:#f8fafc;border-color:#cbd4e1}.cell.mine{color:var(--mine-red);background:linear-gradient(135deg,#f6d7d7 0%,#e6b8b8 100%)}.cell.exploded{background:linear-gradient(135deg,#f1baba 0%,#de8c8c 100%)}.cell.defused{color:#175d21;background:linear-gradient(135deg,#d9f0d7 0%,#afd9aa 100%)}.cell.marked{color:#174c23;background:#d7e7d3}.cell-value{z-index:1;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:.58rem;font-weight:800;display:block;position:relative;overflow:hidden}.cell.mine .cell-value,.prime-value{text-align:center;line-height:1;position:absolute;bottom:1px;left:2px;right:2px}.mine-result,.defused-result,.mine-marker,.adjacent-count{z-index:1;font-size:.75rem;line-height:1}.mine-result{color:#aa2531}.prime-value{z-index:1;color:inherit;font-size:.58rem}.defused-result{color:#1a7030}.mine-marker{color:#17643f;position:absolute;top:3px;right:3px}.adjacent-count{font-size:.85rem}.cell.revealed.number-1{color:var(--number-1)}.cell.revealed.number-2{color:var(--number-2)}.cell.revealed.number-3{color:var(--number-3)}.cell.revealed.number-4{color:var(--number-4)}.cell.revealed.number-5{color:var(--number-5)}.cell.revealed.number-6{color:var(--number-6)}.cell.revealed.number-7{color:var(--number-7)}.cell.revealed.number-8{color:var(--number-8)}@media (width<=420px){.game-shell{padding:8px}.game-window{width:100%}.counter{width:64px;font-size:1.7rem}.cell{width:38px;min-width:38px;height:38px}}