:root{color-scheme:dark;--bg:#111619;--panel:#20272a;--mint:#7ed6a5;--orange:#f58b36;--text:#e9eeea;--muted:#aab5b8;--line:#3a4448;--mono:"Cascadia Code","Lucida Console",monospace;--body:"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:170px}body{margin:0;color:var(--text);background:radial-gradient(ellipse at 35% 0,#30383b 0,transparent 50%),#111619;font-family:var(--body);font-size:15px;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:disabled{cursor:default}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible{outline:3px solid var(--mint);outline-offset:5px}svg{fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.icon{width:21px;height:21px;flex-shrink:0;vertical-align:middle}img{max-width:100%}.site-shell{max-width:1440px;margin:26px auto;padding:0 24px}.masthead{position:sticky;top:0;z-index:10;background:linear-gradient(120deg,#303639,#1b2023);border:1px solid #535b5e;box-shadow:inset 0 1px #72787a,0 6px 18px #0009}.topbar{padding:22px 30px;display:flex;align-items:center;gap:50px;border-bottom:1px solid #050809}.brand{display:flex;width:228px;flex-shrink:0}.brand img{width:100%;height:auto;object-fit:contain}.vents{width:185px;height:38px;background:repeating-linear-gradient(0deg,#070b0d 0 2px,#30383a 2px 4px);border-radius:5px;opacity:.85;box-shadow:inset 0 0 8px #000}.account-actions{margin-left:auto;display:flex;gap:13px;align-items:center}.button,.key-button{min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:12px 20px;border-radius:4px;font-family:var(--mono);font-size:12px;font-weight:700;letter-spacing:.035em;line-height:1.4;border:1px solid #626c70;box-shadow:inset 0 1px #ffffff26,0 3px 2px #0008;transition:background .15s,transform .15s}.key-button{color:var(--text);background:linear-gradient(#30373b,#171d21)}.button:hover:not(:disabled),.key-button:hover{transform:translateY(-1px);filter:brightness(1.09)}.button.orange{color:#181b1c;background:linear-gradient(110deg,#ffad60,#f07d2e);border-color:#ffa95a}.button.mint{background:var(--mint);color:#12251a}.button.outline{border-color:var(--mint);color:var(--mint);background:#141b1e}.button:disabled{opacity:.65;box-shadow:none}.counter{border-left:1px solid #66330050;padding-left:10px;margin-left:2px}.category-bar{display:flex;gap:10px;padding:15px 26px;align-items:center;border-top:1px solid #475054;box-shadow:inset 0 -5px 7px #0003}.category-key{display:inline-flex;align-items:center;justify-content:center;font:11px var(--mono);text-transform:uppercase;min-height:36px;min-width:87px;padding:9px 16px;border:1px solid #566064;border-radius:4px;background:linear-gradient(#333c40,#1b2226);box-shadow:inset 0 1px #ffffff1c,0 3px 1px #070a0c;white-space:nowrap}.category-key.selected{color:#10251a;background:linear-gradient(#94e6b7,#59bb8b);border-color:#9cebc2;font-weight:bold}.category-key:hover{border-color:var(--mint)}.power{margin-left:auto;white-space:nowrap;font:10px var(--mono);letter-spacing:2px;color:#c0c9cb;display:flex;align-items:center;gap:10px}.led,.power i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--mint);box-shadow:0 0 7px #74e6a865}.hero{position:relative;min-height:525px;background:linear-gradient(90deg,#0c1217 0%,#0d1318e8 29%,#0e151b44 56%,transparent 75%),url('/images/msx-hero.png') center right/cover no-repeat,#151c1e;border:1px solid var(--line);border-top:none;overflow:hidden}.hero-copy{position:relative;max-width:540px;padding:50px 48px 55px}.eyebrow{font:10px var(--mono);letter-spacing:2px;color:var(--mint);display:inline-flex;align-items:center;gap:10px}.hero h1{margin:30px 0 20px;line-height:1;max-width:365px}.hero h1 img{width:350px;height:auto;display:block}.hero h1 span{display:block;letter-spacing:.13em;font:900 63px/1.05 var(--mono);color:#f0f5f1;text-shadow:3px 3px #000;margin-top:9px}.hero-tagline{font-size:22px;font-weight:650;line-height:1.3;letter-spacing:.5px;margin:16px 0}.hero-description{color:#b6c0c2;margin:18px 0 26px}.hero-caption{position:absolute;bottom:22px;right:26px;display:flex;gap:9px;align-items:center;font:calc(9px + 2pt) var(--mono);letter-spacing:1px;color:#bfc9c7;background:#101619bc;padding:7px 10px;border:1px solid #384144}.catalog-section{padding:35px 26px 28px;background:linear-gradient(125deg,#1e2528,#161d20);border:1px solid var(--line);border-top:none;scroll-margin-top:0}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-heading h2{margin:4px 0 0;font:800 25px/1.3 var(--mono);text-transform:uppercase;letter-spacing:1px;color:var(--mint);text-shadow:1px 2px #07140e}.section-heading .eyebrow{font-size:8px;color:#a0abae}.game-count{font:10px var(--mono);letter-spacing:1px;color:#9baca9;white-space:nowrap}.game-count span{color:var(--mint);font-size:20px;margin-left:12px}.game-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.game-card{min-width:0;border:1px solid #485358;border-radius:8px 8px 4px 4px;background:linear-gradient(120deg,#293237,#161e21);box-shadow:0 5px 12px #0003;overflow:hidden;transition:border-color .2s,transform .2s}.game-card:hover{border-color:var(--mint);transform:translateY(-4px)}.cartridge-cover{display:block;position:relative;background:linear-gradient(110deg,#343d41,#141b1e);padding:11px 13px 16px;border-bottom:1px solid #060c0e}.cartridge-cover:before,.cartridge-cover:after{content:"";position:absolute;top:9px;width:5px;height:5px;border:1px solid #68767c;border-radius:50%;box-shadow:inset 1px 1px #000}.cartridge-cover:before{left:6px}.cartridge-cover:after{right:6px}.cartridge-brand{height:23px;display:flex;justify-content:center;margin-bottom:8px}.cartridge-brand img{width:70px;height:auto;object-fit:contain}.cover-art{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;border:1px solid #4d5a61;border-radius:3px;box-shadow:0 0 0 3px #0b1114}.cartridge-groove{display:block;width:65%;height:4px;margin:12px auto -4px;background:repeating-linear-gradient(90deg,#0a1013 0 2px,#485459 2px 3px)}.card-copy{padding:16px 17px}.card-category{font:9px var(--mono);letter-spacing:1.5px;text-transform:uppercase;color:var(--mint)}.card-copy h3{font:800 17px var(--mono);letter-spacing:.4px;margin:8px 0}.card-copy p{font-size:calc(12px + 2pt);line-height:1.5;color:#b7c1c4;min-height:36px;margin:0 0 18px}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:5px;color:#d8dfdd;font:11px var(--mono)}.details-button{display:flex;align-items:center;justify-content:center;width:33px;height:32px;border:1px solid #ae703f;border-radius:4px;color:var(--orange);background:#11191c}.details-button:hover{background:#493125}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:29px 27px;border:1px solid var(--line);border-top:0;background:#1b2225}.features>div{display:flex;gap:15px;align-items:center}.features>div+div{border-left:1px solid var(--line);padding-left:25px}.features .icon{width:29px;height:29px;color:var(--orange)}.features h3{font:700 11px/1.5 var(--mono);margin:0 0 4px}.features p{color:var(--muted);font-size:calc(11px + 2pt);margin:0}.footer{display:flex;gap:23px;align-items:center;border:1px solid #475256;border-top:0;background:linear-gradient(#293136,#191f22);padding:22px 28px;font:9px var(--mono);letter-spacing:.5px}.footer img{width:100px;height:auto;display:block}.footer>span{color:var(--muted);font-family:var(--body)}.footer>a:not(:first-child):hover{color:var(--mint)}.footer-end{margin-left:auto;font-size:8px;max-width:190px;text-align:right}dialog{position:fixed;width:min(470px,calc(100vw - 36px));padding:42px 32px 32px;color:var(--text);border:1px solid #65716e;border-radius:7px;background:linear-gradient(135deg,#2b3538,#141c20);box-shadow:0 20px 80px #000a}dialog::backdrop{background:#020607bb;backdrop-filter:blur(4px)}dialog h2{font:700 27px var(--mono)}dialog p{color:#b9c4c7}dialog .button{width:100%;margin-top:20px}.drawer{height:100dvh;max-height:none;margin:0 0 0 auto;border-radius:0;border-right:0;top:0;right:0}.close{position:absolute;right:14px;top:10px;border:0;background:none;color:var(--text);font-size:28px;line-height:1;padding:8px}.empty-icon{width:65px;height:65px;color:var(--mint);margin:40px 0 15px}.skip{position:absolute;top:-80px;left:25px;z-index:99;background:var(--mint);color:#11271d;padding:12px}.skip:focus{top:8px}.detail-main{padding:28px 32px 36px;background:linear-gradient(140deg,#182125,#10171b);border:1px solid var(--line);border-top:0}.breadcrumbs{display:flex;align-items:center;gap:12px;font:11px var(--mono);color:#a8b8b8;flex-wrap:wrap;margin-bottom:28px}.breadcrumbs a:hover{color:var(--mint)}.breadcrumbs>span:last-child{color:var(--text)}.game-intro{display:grid;grid-template-columns:1fr 1fr;gap:42px}.game-art-panel{margin:0;position:relative;background:radial-gradient(ellipse,#314048,#0d1418);border:1px solid #465459;box-shadow:inset 0 0 40px #0009;padding:25px;display:flex;flex-direction:column;align-items:center;justify-content:center}.game-art-panel>img{width:100%;max-width:330px;height:auto;max-height:410px;object-fit:contain;box-shadow:0 12px 35px #0009;border:1px solid #526066}.game-art-panel figcaption{font:calc(8px + 2pt)/1.8 var(--mono);letter-spacing:1px;color:#a4b4b7;margin-top:22px;text-align:center}.game-summary{padding:14px 0}.game-summary h1{font:900 clamp(28px,3.5vw,45px)/1.2 var(--mono);letter-spacing:1px;margin:12px 0;color:var(--orange)}.game-tagline{font-size:18px;color:#d1dbda}.spec-badges{display:flex;gap:20px;flex-wrap:wrap;font-size:calc(12px + 2pt);color:#c2cccc}.spec-badges span{display:flex;align-items:center;gap:7px}.spec-badges .icon{width:17px}.buy-panel{margin:25px 0}.price{font:700 22px var(--mono);margin:0 0 18px}.buy-panel .button{width:100%;margin-bottom:12px}.availability{font-size:calc(12px + 2pt);color:#bec9c9;border-left:2px solid var(--orange);padding-left:12px}.quick-specs{margin:0;font-size:calc(12px + 2pt)}.quick-specs>div{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #35434880;padding:8px 0}.quick-specs dt{color:#9facb0}.quick-specs dd{margin:0;text-align:right}.detail-columns{display:grid;grid-template-columns:1.3fr 1fr;gap:22px;margin:28px 0 22px}.panel{border:1px solid #405055;background:linear-gradient(125deg,#26303588,#162025);padding:24px;border-radius:5px}.panel h2{font:700 18px var(--mono);color:var(--mint);letter-spacing:1px;margin:0 0 18px}.panel p{color:#becbcd;font-size:calc(14px + 2pt);line-height:1.8;margin-bottom:0}.trophies .section-heading{align-items:center;margin-bottom:12px}.trophies h2{margin:0}.trophy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.trophy{padding:15px;border:1px solid var(--line);margin-top:10px}.trophy .icon{color:var(--orange)}.trophy h3{font:700 12px var(--mono)}.cartridge-vote{display:flex;align-items:center;gap:25px;margin-top:22px;border-color:var(--mint)}.cartridge-vote h2{color:var(--text)}.cartridge-vote p{margin:0}.cartridge-vote small{color:var(--muted)}.cartridge-vote .button{margin-left:auto}.vote-icon{width:75px;height:75px;flex-shrink:0;color:var(--orange)}.empty-state{padding:50px}
@media(min-width:1500px){.hero{min-height:560px}.hero-copy{padding-top:62px}}
@media(max-width:1100px){.site-shell{padding:0 16px;margin:16px auto}.topbar{padding:18px 23px}.vents{width:120px}.category-bar{gap:8px;padding:14px 18px;overflow-x:auto}.category-key{min-width:75px;padding:9px 11px}.power{display:none}.hero-copy{padding-left:32px}.game-grid{gap:16px}.card-copy{padding:13px}.footer{gap:15px}.footer-end{display:none}.game-intro{gap:25px}}
@media(max-width:800px){.vents{display:none}.brand{width:185px}.topbar{gap:10px;padding:18px}.button,.key-button{padding:11px 13px}.account-actions{gap:8px}.account span{display:none}.category-key{min-width:auto}.game-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.hero{min-height:510px;background-position:60% center}.hero-copy{padding:40px 28px;max-width:420px}.hero h1 img{max-width:280px}.hero h1 span{font-size:49px}.hero-tagline{font-size:20px}.hero-caption{display:none}.hero{background-image:linear-gradient(90deg,#0c1217 0%,#0d1318d9 47%,#0e151b55),url('/images/msx-hero.png')}.features{grid-template-columns:1fr;gap:23px}.features>div+div{padding-left:0;border-left:none}.footer{flex-wrap:wrap}.footer>span{display:none}.game-intro{grid-template-columns:1fr}.game-art-panel>img{max-height:300px}.detail-columns{grid-template-columns:1fr}.detail-main{padding:22px}.game-summary h1{font-size:35px}.cartridge-vote{flex-wrap:wrap}.cartridge-vote .button{margin-left:0}.trophy-grid{grid-template-columns:1fr}}
@media(max-width:450px){.site-shell{padding:0 9px;margin:9px auto}.brand{width:144px}.topbar{padding:16px 12px}.cart-button{font-size:10px;gap:6px;padding:10px}.account{padding:10px}.account-actions{gap:6px}.category-bar{padding:12px;gap:7px}.hero-copy{padding:32px 22px}.hero{min-height:480px}.hero h1 img{width:245px}.hero h1 span{font-size:44px}.hero .eyebrow{font-size:8px;letter-spacing:1px}.hero-description{font-size:calc(13px + 2pt)}.catalog-section{padding:26px 13px 20px}.section-heading h2{font-size:19px}.section-heading .eyebrow{font-size:7px;letter-spacing:1px}.game-count{font-size:8px}.game-count span{display:none}.game-grid{gap:12px}.card-copy{padding:11px}.card-copy h3{font-size:13px}.card-copy p{font-size:calc(10px + 2pt);min-height:45px}.card-bottom{font-size:9px}.card-category{font-size:8px}.cartridge-cover{padding:10px}.features{padding:25px 18px}.footer{padding:18px;gap:18px}.footer img{width:80px}.detail-main{padding:18px 14px}.game-summary h1{font-size:29px}.panel{padding:19px}.trophies .section-heading{align-items:start}.trophies .game-count{margin-top:5px}.cartridge-vote .vote-icon{width:45px;height:45px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Database rankings */
.ranking-title{font:800 30px var(--mono);letter-spacing:2px;color:var(--mint);margin:8px 0}
.ranking-intro{color:var(--muted);margin-bottom:30px}.ranking-columns{grid-template-columns:1fr 1fr}
.ranking-filter{margin:20px 0}.ranking-filter label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}
.ranking-filter>div{display:flex;gap:12px}.ranking-filter select{min-width:0;flex:1;background:#111c22;border:1px solid var(--line);color:var(--text);padding:10px;font:12px var(--mono);border-radius:4px}
.ranking-game-title{font:700 17px var(--mono);margin:25px 0;color:var(--orange)}
.ranking-empty{padding:35px 10px;border:1px dashed var(--line);text-align:center}
.ranking-table{width:100%;border-collapse:collapse;margin:20px 0;font-size:calc(13px + 2pt)}
.ranking-table th{text-align:left;color:var(--muted);font:10px var(--mono);padding:12px 8px}
.ranking-table td{padding:13px 8px;border-top:1px solid var(--line);overflow-wrap:anywhere}
.ranking-table td:first-child{color:var(--mint);font-family:var(--mono);width:45px}
.ranking-table td:last-child,.ranking-table th:last-child{text-align:right;font-variant-numeric:tabular-nums}
.ranking-table tbody tr:first-child{background:#dca3590c}.panel .ranking-note{font-size:calc(11px + 2pt);color:var(--muted);margin-top:20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(max-width:800px){.ranking-columns{grid-template-columns:1fr}.ranking-link span{display:none}}
@media(max-width:450px){.brand{width:125px}.ranking-link,.account{padding:9px}.ranking-title{font-size:24px}}


/* External account registration */
.register-link{border-color:var(--mint);color:var(--mint);white-space:nowrap}
.auth-main{min-height:60vh}.auth-panel{max-width:560px;margin:30px auto;padding:32px}
.auth-panel h1{font:800 clamp(24px,4vw,32px) var(--mono);color:var(--mint);line-height:1.3;overflow-wrap:anywhere}
.auth-panel .button{width:100%;margin-top:12px;white-space:normal}
.auth-provider{margin:20px 0}.auth-provider small{display:block;color:var(--muted);margin-top:5px}
.auth-panel .auth-privacy,.auth-panel #nickname-help{font-size:calc(12px + 2pt)}.auth-switch a{color:var(--mint);text-decoration:underline}
.auth-panel .auth-notice{padding:12px;border-left:2px solid var(--orange)}.auth-panel .auth-error{color:#ffbd9b}
.auth-panel label{display:block;margin:24px 0 8px}.nickname-input{width:100%;background:#111c22;color:var(--text);border:1px solid var(--mint);border-radius:4px;padding:12px;font:17px var(--mono)}
.auth-error:empty{display:none}.auth-error ul{padding-left:20px}.auth-panel form{margin-top:18px}.button:disabled{opacity:.55}
@media(max-width:1050px){.topbar{flex-wrap:wrap;gap:16px}.account-actions{margin-left:auto}.vents{display:none}}
@media(max-width:600px){.topbar{justify-content:center}.account-actions{margin:0;flex-wrap:wrap;justify-content:center;width:100%}.account span{display:inline}.register-link{font-size:10px}.auth-panel{padding:22px;margin:10px auto}.auth-panel h1{font-size:24px}}

/* Centered account dialog. Menu typography/layout remains unchanged. */
.auth-dialog{width:min(580px,calc(100vw - 28px));max-height:calc(100dvh - 32px);overflow-y:auto}
.auth-dialog .auth-panel{border:0;background:none;padding:4px;margin:0;max-width:none}
.auth-dialog h1{margin-top:12px}.auth-popup-note{font-size:calc(12px + 2pt);color:var(--muted)}
@media(max-width:600px){.auth-dialog{padding:40px 20px 22px}}

/* Small informational copy only (original size up to 14px): +2pt. Other typography and design stay original. */
.auth-panel>p:not(.auth-privacy):not(#nickname-help),.auth-panel form .auth-error{font-size:calc(14px + 2pt)}
.auth-provider small{font-size:calc(.833333em + 2pt)}

/* Original provider icons: colors/shapes preserved in local SVG assets. */
.auth-provider .provider-button{display:flex;align-items:center;justify-content:center;gap:12px;min-height:52px;padding-top:8px;padding-bottom:8px}
.provider-logo{display:grid;place-items:center;width:36px;height:36px;flex:0 0 36px;background:#fff;border-radius:4px;overflow:hidden}
.provider-logo img{display:block;width:20px;height:20px;object-fit:contain}
.provider-logo .provider-logo-google{width:36px;height:36px}

/* Account nickname replaces the Web Player label; original menu typography retained. */
.category-bar .power.logged-user{display:flex;flex-shrink:0;max-width:260px}
.logged-user a{text-transform:lowercase;color:var(--mint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.library-intro{display:flex;justify-content:space-between;align-items:center;gap:20px}.library-intro h1{font:700 26px var(--mono);color:var(--mint);overflow-wrap:anywhere}
.library-section{padding-top:30px}.library-empty{text-align:center;padding:36px}.library-empty .button{margin-top:20px}
.library-grid .button{width:100%}.simulation-label,.simulation-note{color:var(--muted);font-size:calc(12px + 2pt)}
.purchase-notice{padding:14px 18px;border-left:3px solid var(--mint);background:#20362b;color:var(--text);font-size:calc(14px + 2pt)}
.buy-panel form{margin:0}.buy-panel .simulation-note{margin:0 0 20px}.library-grid .simulation-label{min-height:0}
@media(max-width:600px){.library-intro{align-items:flex-start;flex-direction:column}.category-bar .power.logged-user{max-width:160px}.library-intro h1{font-size:22px}}