:root{color-scheme:dark;--red:#d5101d;--red-light:#ff3c48;--border:rgba(255,255,255,.12)}
*{box-sizing:border-box}
html{background:#050505}
body{min-width:320px;margin:0;overflow-x:hidden;background:radial-gradient(circle at 50% -10%,#290207 0,#090909 32rem,#050505 70rem);color:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,a,input,select{-webkit-tap-highlight-color:transparent}
button,input,select{font:inherit}
.noise{position:fixed;inset:0;z-index:-1;opacity:.05;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E")}
.game-header{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;max-width:1280px;margin:auto;padding:18px clamp(16px,4vw,48px)}
.back{justify-self:start;color:#ddd;text-decoration:none;font-weight:800}.back:hover{color:#fff}
.game-brand{display:flex;align-items:center;gap:10px;font-weight:950;letter-spacing:-.03em}.game-brand img{width:42px;height:42px;border-radius:50%;object-fit:cover}
.header-button{justify-self:end;padding:10px 16px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.06);color:#fff;font-weight:850;cursor:pointer}
.game-page{width:min(1180px,100%);margin:auto;padding:45px clamp(16px,4vw,48px) 70px}
.game-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
.eyebrow{margin:0 0 10px;color:var(--red-light);font-size:.72rem;font-weight:950;letter-spacing:.2em;text-transform:uppercase}
.game-heading h1{max-width:760px;margin:0;font-size:clamp(3rem,7.5vw,6.2rem);line-height:.85;letter-spacing:-.075em}
.game-heading p:not(.eyebrow){max-width:620px;margin:20px 0 0;color:#aaa;line-height:1.6}
.score-board{display:grid;grid-template-columns:repeat(3,minmax(88px,1fr));gap:10px;min-width:min(100%,360px)}
.score-board div{padding:14px 16px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.045);text-align:center}
.score-board span{display:block;color:#888;font-size:.68rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.score-board strong{display:block;margin-top:4px;font-size:1.45rem}
.mine-shell{position:relative;width:min(100%,880px);min-height:600px;margin:0 auto;padding:18px;border:1px solid rgba(255,255,255,.14);border-radius:30px;background:rgba(8,8,8,.9);box-shadow:0 35px 90px rgba(0,0,0,.5),0 0 60px rgba(190,0,15,.1)}
.mine-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:14px}.mode-button{padding:10px 15px;border:1px solid rgba(255,255,255,.14);border-radius:999px;background:#111;color:#aaa;font-weight:900;cursor:pointer}.mode-button.is-active{border-color:rgba(255,67,79,.55);background:#fff;color:#050505}.desktop-help{margin-left:auto;color:#777;font-size:.8rem}
.mine-board{--columns:8;display:grid;width:min(100%,760px);margin:0 auto;grid-template-columns:repeat(var(--columns),minmax(0,1fr));gap:clamp(2px,.5vw,6px);user-select:none;touch-action:manipulation}
.mine-cell{position:relative;display:grid;min-width:0;aspect-ratio:1;place-items:center;padding:0;border:1px solid rgba(255,255,255,.16);border-radius:clamp(4px,.8vw,10px);background:linear-gradient(145deg,#2a2a2a,#121212);color:#fff;font-size:clamp(.62rem,2vw,1.15rem);font-weight:950;line-height:1;cursor:pointer;box-shadow:inset 0 1px rgba(255,255,255,.09),0 3px 8px rgba(0,0,0,.25)}
.mine-cell:hover{border-color:rgba(255,255,255,.38)}.mine-cell:focus-visible{z-index:2;outline:3px solid #fff;outline-offset:1px}
.mine-cell.is-open{border-color:rgba(255,255,255,.07);background:#0e0e0e;box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);cursor:default}.mine-cell.is-empty{color:transparent}.mine-cell.is-flagged{background:linear-gradient(145deg,#6b0710,#210205);color:#fff}.mine-cell.is-mine{background:#b90c18;color:#fff}.mine-cell.is-exploded{background:#fff;color:#b20b16;box-shadow:0 0 30px rgba(255,44,57,.55)}.mine-cell.is-wrong{color:#ff6b75;text-decoration:line-through}
.mine-cell[data-number="1"]{color:#65a9ff}.mine-cell[data-number="2"]{color:#60d78a}.mine-cell[data-number="3"]{color:#ff737d}.mine-cell[data-number="4"]{color:#b991ff}.mine-cell[data-number="5"]{color:#ffad68}.mine-cell[data-number="6"]{color:#58d9d9}.mine-cell[data-number="7"]{color:#f0f0f0}.mine-cell[data-number="8"]{color:#999}
.game-overlay{position:absolute;inset:0;z-index:10;display:grid;place-items:center;padding:22px;border-radius:30px;background:rgba(0,0,0,.8);backdrop-filter:blur(9px);overflow:auto}
.hidden{display:none!important}
.overlay-card{width:min(100%,520px);padding:30px;border:1px solid rgba(255,255,255,.16);border-radius:28px;background:linear-gradient(145deg,rgba(24,24,24,.98),rgba(9,9,9,.99));text-align:center;box-shadow:0 25px 80px rgba(0,0,0,.55)}
.overlay-card h2{margin:0;font-size:clamp(2.1rem,6vw,3.8rem);line-height:.94;letter-spacing:-.058em}.overlay-card p:not(.eyebrow):not(.game-tip):not(.form-error):not(.record-message){margin:18px auto 0;color:#aaa;line-height:1.55}.overlay-card p strong{color:#fff}
.overlay-card button{margin-top:20px;padding:14px 24px;border:0;border-radius:999px;background:#fff;color:#050505;font-weight:950;cursor:pointer}.overlay-card button:disabled{opacity:.55;cursor:wait}.overlay-card .secondary-button{display:block;margin:10px auto 0;padding:10px 16px;border:1px solid rgba(255,255,255,.15);background:transparent;color:#ddd;font-size:.85rem}
.mine-demo{display:flex;justify-content:center;gap:8px;margin:0 auto 20px}.demo-cell{display:grid;width:64px;aspect-ratio:1;place-items:center;border:1px solid rgba(255,255,255,.2);border-radius:14px;font-size:1.4rem;font-weight:950}.demo-closed{background:linear-gradient(145deg,#880914,#260205)}.demo-closed img{width:60%;height:60%;border-radius:50%;object-fit:cover}.demo-open{background:#101010;color:#60d78a}.demo-flag{background:#59060d;color:#fff}
.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px;text-align:left}.setup-field span{display:block;margin:0 0 7px;color:#ddd;font-size:.75rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.setup-field input,.setup-field select,.ranking-filter select{width:100%;padding:13px 14px;border:1px solid rgba(255,255,255,.18);border-radius:14px;outline:0;background:#080808;color:#fff}.setup-field input:focus,.setup-field select:focus,.ranking-filter select:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.08)}.setup-field option,.ranking-filter option{background:#101010;color:#fff}
.game-tip{margin:13px 0 0;color:#888;font-size:.8rem}.form-error{min-height:20px;margin:7px 0 0;color:#ff818b;font-size:.84rem;font-weight:800}.record-message{min-height:24px;margin:13px 0 0;color:#ff9fa6;font-weight:850;line-height:1.4}.end-card h2 span{color:#ff6d78}
.best-panel{display:flex;align-items:center;justify-content:space-between;gap:20px;width:min(100%,880px);margin:16px auto 0;padding:16px 20px;border:1px solid var(--border);border-radius:18px;background:rgba(255,255,255,.035)}.best-panel span{color:#888;font-size:.8rem;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.best-panel span b{color:#bbb}.best-panel strong{text-align:right}
.leaderboard{width:min(100%,880px);margin:28px auto 0;padding:24px;border:1px solid var(--border);border-radius:26px;background:rgba(255,255,255,.035)}
.leaderboard-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:16px}.leaderboard-heading h2{margin:0;font-size:clamp(1.8rem,5vw,2.8rem);letter-spacing:-.045em}.ranking-filter{min-width:210px}.ranking-filter span{display:block;margin:0 0 6px;color:#888;font-size:.68rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}
.records-list{display:grid;gap:8px;margin:0;padding:0;list-style:none}.record-row{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:12px;padding:12px 14px;border:1px solid rgba(255,255,255,.08);border-radius:15px;background:rgba(0,0,0,.26)}.record-row:first-child{border-color:rgba(255,67,79,.45);background:rgba(150,4,16,.13)}.record-rank{display:grid;width:30px;height:30px;place-items:center;border-radius:50%;background:rgba(255,255,255,.08);font-size:.8rem;font-weight:950}.record-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.record-value{color:#ff737d;font-weight:950;text-align:right}.record-value small{display:block;margin-top:2px;color:#777;font-size:.68rem;font-weight:750}.records-empty{padding:22px;color:#888;text-align:center}
@media(max-width:900px){.game-header{grid-template-columns:1fr auto}.game-brand{display:none}.game-heading{display:block}.score-board{margin-top:24px}.desktop-help{display:none}}
@media(max-width:620px){.game-page{padding-top:24px}.game-heading h1{font-size:clamp(2.7rem,13vw,4.2rem)}.game-heading p:not(.eyebrow){font-size:.94rem}.score-board{grid-template-columns:repeat(3,1fr)}.score-board div{padding:11px 7px;border-radius:14px}.score-board strong{font-size:1.2rem}.mine-shell{min-height:500px;padding:9px;border-radius:20px}.mine-toolbar{margin:2px 0 10px}.mode-button{flex:1;padding:10px}.mine-board{gap:3px}.game-overlay{padding:12px;border-radius:20px}.overlay-card{padding:24px 16px;border-radius:22px}.setup-grid{grid-template-columns:1fr;gap:10px;margin-top:16px}.best-panel{align-items:flex-start;flex-direction:column}.best-panel strong{text-align:left}.leaderboard{padding:16px;border-radius:20px}.leaderboard-heading{align-items:stretch;flex-direction:column}.ranking-filter{min-width:0}.record-row{grid-template-columns:34px 1fr auto;padding:10px}.record-value{font-size:.9rem}}
@media(max-width:380px){.mine-shell{padding:6px}.header-button{padding:9px 11px;font-size:.82rem}.mine-demo{display:none}.overlay-card h2{font-size:2rem}.overlay-card button{margin-top:12px;padding:11px 20px}.setup-field input,.setup-field select{padding:10px 12px}.mine-cell{font-size:.62rem;border-radius:3px}}
@media(prefers-reduced-motion:reduce){.mine-cell,.overlay-card button{transition:none}}