:root{--bg: #0e1116;--panel: #171c26;--panel-2: #212940;--board-bg: #12161f;--text: #e8ecf4;--muted: #93a0b4;--accent: #38bdf8;--accent-ink: #06283a;--flag: #fb7185;--mine: #fca5a5;--gold: #fbbf24;color-scheme:dark}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-tap-highlight-color:transparent;overflow:hidden}.game{height:100%;max-width:720px;margin-inline:auto;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));display:flex;flex-direction:column;gap:10px;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.hud{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px}.chips{grid-column:1;grid-row:1;display:flex;gap:6px;min-width:0}.chip{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding-inline:10px;border-radius:10px;background:var(--panel);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}.chip[hidden]{display:none}.chip .icon{width:17px;height:17px;flex:none}#mines-chip .icon{color:var(--mine)}#time-chip .icon{color:var(--muted)}#best-chip .icon{color:var(--gold)}.actions{grid-column:2;grid-row:1;display:flex;gap:6px;justify-self:end}.levels{grid-column:1 / -1;grid-row:2;display:flex;gap:6px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;min-width:44px;padding-inline:14px;border:0;border-radius:10px;background:var(--panel-2);color:var(--text);font:inherit;font-weight:600;cursor:pointer}.btn .icon{width:20px;height:20px;flex:none}.btn:active{transform:translateY(1px)}.btn-icon{padding-inline:0}.btn.is-on{background:var(--flag);color:#2b0a12}.btn-primary{background:var(--accent);color:var(--accent-ink);padding-inline:24px}.level{flex:1;min-height:40px;padding-inline:6px;border:0;border-radius:10px;background:var(--panel);color:var(--muted);font:inherit;font-size:14px;font-weight:600;cursor:pointer;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.level.is-on{background:var(--panel-2);color:var(--text);box-shadow:inset 0 0 0 1.5px #38bdf88c}.board-wrap{position:relative;flex:1;min-height:0;min-width:0;display:flex;align-items:center;justify-content:center}.board{display:grid;gap:var(--gap, 3px);padding:var(--gap, 3px);border-radius:10px;background:var(--board-bg);box-shadow:inset 0 0 0 1px #ffffff0a;touch-action:none}.cell{width:var(--cell, 30px);height:var(--cell, 30px);display:flex;align-items:center;justify-content:center;border-radius:calc(var(--cell, 30px) * .16);background:linear-gradient(160deg,#2e3852,#212a3c);box-shadow:inset 0 1px #ffffff21,inset 0 -2px #00000047;font-size:calc(var(--cell, 30px) * .6);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;cursor:pointer}.cell .icon{width:68%;height:68%}.cell.is-press{filter:brightness(1.35)}.cell.is-open{background:#ffffff0d;box-shadow:none;cursor:default}.cell.is-fresh{animation:cell-open .15s ease-out}@keyframes cell-open{0%{background:#2e3852;transform:scale(.86)}to{transform:scale(1)}}.cell.is-flag{color:var(--flag)}.cell.is-mine{background:#f8717129;color:var(--mine)}.cell.is-wrong{color:var(--mine)}.cell.is-boom{background:#dc2626;color:#fff5f5;animation:cell-boom .42s ease-out}@keyframes cell-boom{0%{transform:scale(.5)}55%{transform:scale(1.2)}to{transform:scale(1)}}.n-1{color:#60a5fa}.n-2{color:#4ade80}.n-3{color:#f87171}.n-4{color:#c084fc}.n-5{color:#fbbf24}.n-6{color:#22d3ee}.n-7{color:#f472b6}.n-8{color:#cbd5e1}.overlay{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;padding:12px;background:#0e11168c;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:overlay-in .2s ease-out}.overlay[hidden]{display:none}@keyframes overlay-in{0%{opacity:0}to{opacity:1}}.overlay-card{max-width:100%;display:flex;flex-direction:column;align-items:center;gap:8px;padding:18px 22px;border-radius:16px;background:var(--panel);box-shadow:0 18px 44px #0000008c;text-align:center}.overlay-title{margin:0;font-size:clamp(21px,5vw,32px);font-weight:800}.overlay-line{margin:0;color:var(--muted);font-size:16px;font-weight:600;font-variant-numeric:tabular-nums}.overlay-note{margin:0;color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}.overlay-note:empty{display:none}.overlay-note.is-best{color:var(--gold);font-weight:700}.overlay-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:4px}.hint{margin:0;text-align:center;color:var(--muted);font-size:13px;line-height:1.45}@media(max-width:470px){.btn-label{display:none}#restart-btn{padding-inline:0}.game{padding-left:max(8px,env(safe-area-inset-left));padding-right:max(8px,env(safe-area-inset-right))}}@media(max-height:470px){.game{padding:max(8px,env(safe-area-inset-top)) max(8px,env(safe-area-inset-right)) max(8px,env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));gap:6px}.chip{min-height:32px;padding-inline:8px;font-size:14px}.btn{min-height:38px;min-width:38px}.level{min-height:32px;font-size:13px}.hint{font-size:12px}}@media(max-height:470px)and (min-aspect-ratio:13 / 10){.game{flex-direction:row;align-items:stretch;gap:10px;max-width:none}.hud{display:flex;flex-direction:column;justify-content:center;align-items:stretch;flex:0 0 auto;width:min(32vw,185px);min-height:0;overflow-y:auto;gap:6px}.chips,.levels{flex-direction:column}.chip{justify-content:space-between}#best-chip{display:none}.actions{justify-self:auto}#restart-btn{flex:1}.hint{display:none}}@media(prefers-reduced-motion:reduce){.cell.is-fresh,.cell.is-boom,.overlay{animation-duration:1ms}}