:root{color-scheme:dark;--paper:#080e1b;--surface:#152238;--ink:#edf4ff;--muted:#a4b4cf;--line:#2a3b57;--accent:#68deff;--category:#68deff}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;color:var(--ink);font:16px/1.7 system-ui,-apple-system,'Segoe UI',sans-serif;background:radial-gradient(ellipse at 80% 0,#16446d44,transparent 48%),linear-gradient(#29486915 1px,transparent 1px),linear-gradient(90deg,#29486915 1px,transparent 1px),var(--paper);background-size:auto,48px 48px,48px 48px,auto}a{color:var(--accent);text-underline-offset:4px}a:focus-visible,button:focus-visible{outline:3px solid #fff;outline-offset:4px}button{font:inherit}header,main,footer{max-width:1160px;margin:auto;padding-left:28px;padding-right:28px}header{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #375b78;position:relative}header:after{content:'';position:absolute;bottom:-1px;left:28px;width:90px;height:3px;background:#68deff;box-shadow:0 0 16px #68deff66}.brand{font-weight:850;font-size:30px;letter-spacing:.1em;color:#fff;text-decoration:none;line-height:1.2;position:relative;padding-left:18px}.brand:before{content:'';position:absolute;left:0;top:4px;height:28px;width:5px;background:#68deff;box-shadow:0 0 14px #68deff44;transform:skew(-15deg)}.brand small{display:block;font:9px/2.1 ui-monospace,monospace;letter-spacing:.25em;color:#8faacb}nav{display:flex;gap:22px}header nav a{color:#c7d7ed;font-size:13px;text-decoration:none;padding:12px 0}header nav a:hover{color:#68deff}main{padding-top:28px;padding-bottom:42px;min-height:65vh}.intro{position:relative;padding:9px 0 24px;margin-bottom:18px;overflow:hidden}.intro:after{content:'';position:absolute;right:20px;top:5px;width:124px;height:85px;border-right:1px solid #68deff44;border-top:1px solid #68deff44;transform:skew(-25deg);background:linear-gradient(135deg,transparent,#68deff08);pointer-events:none}.eyebrow{font:10px/1.8 ui-monospace,monospace;letter-spacing:.15em;color:#79d6f3;margin:0 0 10px;max-width:80%}.signal{display:inline-block;width:6px;height:6px;background:#68deff;margin-right:8px;box-shadow:0 0 8px #68deff66}h1{font-size:clamp(25px,4vw,36px);line-height:1.4;margin:0 0 10px;letter-spacing:.02em}h2{font-size:20px;line-height:1.5}p{margin:0 0 16px}.intro>p:last-child{font-size:14px;color:var(--muted);margin:0}.mobile-break{display:none}.section-head{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:14px}.section-head h2{margin:0;font-size:19px}.section-head h2:before{content:'//';color:#68deff;font:17px ui-monospace,monospace;margin-right:10px}.section-head>span{font-size:11px;color:var(--muted)}.sample-notice{font-size:11px;color:var(--muted);margin-bottom:18px}.category-filter{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 12px}.filter-button{min-height:44px;padding:9px 13px;background:#101b2e;border:1px solid #344661;border-radius:5px;color:#d1def0;font-size:12px;display:flex;align-items:center;gap:7px}.filter-button i{width:7px;height:7px;background:var(--category);border-radius:2px}.filter-button span{font-size:10px;color:#a6b6cf}.filter-button:hover{border-color:var(--category)}.filter-button[aria-pressed=true]{background:#1e324a;border-color:var(--category);box-shadow:inset 0 -2px var(--category);color:#fff}.filter-count{font-size:11px;color:var(--muted);margin:0 0 18px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px 20px}.game{position:relative;display:block;min-width:0;text-decoration:none;color:var(--ink);background:linear-gradient(145deg,#192a42,#111e32);border:1px solid var(--category);border-radius:8px;box-shadow:0 7px 16px #00000040,0 0 0 3px #0b1424;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}.game:after{content:'';position:absolute;top:0;right:0;width:24px;height:3px;background:var(--category);pointer-events:none}.game:hover{transform:translateY(-3px);box-shadow:0 10px 22px #00000066,0 0 14px color-mix(in srgb,var(--category) 18%,transparent)}.game:hover h3{text-decoration:underline;text-underline-offset:4px}.cover{aspect-ratio:16/10;position:relative;overflow:hidden;display:grid;place-items:center;background:radial-gradient(ellipse at 80% 20%,color-mix(in srgb,var(--category) 18%,transparent),transparent 65%),linear-gradient(135deg,#22344c,#132036);border-bottom:1px solid #ffffff12;color:var(--category);text-align:center}.cover:before{content:'';position:absolute;inset:14px;border:1px solid color-mix(in srgb,var(--category) 27%,transparent);border-radius:0 16px 0 16px;transform:skew(-4deg)}.cover:after{content:'+';position:absolute;top:12px;left:18px;font:12px ui-monospace,monospace;color:var(--category);opacity:.8}.cover>span:first-child{position:relative;z-index:1;max-width:100%;padding:20px 13px;font:800 clamp(17px,2vw,25px)/1.2 ui-monospace,monospace;letter-spacing:.06em;overflow-wrap:anywhere;text-shadow:0 0 16px color-mix(in srgb,var(--category) 20%,transparent)}.cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.cover .artlabel{position:absolute;right:9px;bottom:7px;font-size:9px;color:#b1bfd3}.caption{padding:13px 12px 15px;min-height:116px}.caption h3{font-size:14px;line-height:1.5;margin:0 0 8px;overflow-wrap:anywhere;color:#f5f8ff;font-weight:700}.category-label{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:600;color:var(--category)}.category-label:before{content:'';display:inline-block;width:5px;height:5px;background:var(--category);border-radius:1px}.badge{display:block;width:fit-content;border:1px solid #45546d;background:#1d2b40;color:#c4d1e4;padding:2px 6px;border-radius:3px;font-size:10px;margin-top:8px}.meta{font-size:12px;color:var(--muted)}.ad{margin-top:34px;min-height:110px;display:grid;place-content:center;text-align:center;border:1px dashed #3c4c63;background:#0e192a;color:#91a3bc;border-radius:6px;font-size:12px}.ad small{display:block;font-size:11px}.crumb{font-size:13px;margin-bottom:22px}.detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:30px}.detail>.cover{border:1px solid var(--category);border-radius:8px}.detail h1{margin-top:12px}.detail p{font-size:14px;color:#b6c5dc}.detail .badge{display:inline-block;margin:0 0 0 10px}.play{display:inline-block;padding:12px 22px;background:#63dcff;color:#071421;text-decoration:none;font-weight:750;border:1px solid #93e7ff;border-radius:5px;margin:14px 0 6px;box-shadow:0 0 18px #63dcff18}.hint{font-size:12px!important;color:var(--muted)!important}dl{display:grid;grid-template-columns:120px 1fr;margin:24px 0}dt,dd{margin:0;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}dt{font-weight:700}dd{color:#c5d2e5}.prose{max-width:780px}.prose h2{margin-top:30px}.notice{padding:14px 18px;background:#192d43;border-left:3px solid #68deff;font-size:13px;margin-bottom:24px}.qa-toolbar{display:flex;gap:10px;margin-bottom:22px}.qa-toolbar button{min-height:44px;background:var(--surface);border:1px solid var(--line);color:var(--ink);padding:8px 12px}footer{padding-top:22px;padding-bottom:30px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}footer a{margin-right:18px;display:inline-block;padding:6px 0;color:#b0c5df}footer p{margin-top:12px}.skip{position:absolute;top:-70px;left:10px;background:#edf4ff;color:#071421;padding:10px;z-index:3}.skip:focus{top:10px}details{padding:12px 0;border-bottom:1px solid var(--line)}summary{min-height:44px;padding:8px 0}
@media(max-width:800px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.intro:after{right:10px;width:80px}.detail{grid-template-columns:1fr}header,main,footer{padding-left:20px;padding-right:20px}}@media(max-width:540px){header{min-height:104px;gap:10px;flex-wrap:wrap;padding-top:16px;padding-bottom:14px}.brand{font-size:27px}header nav{gap:18px}header nav a{font-size:12px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 14px}.caption{padding:11px 10px 13px;min-height:116px}.caption h3{font-size:13px}.cover>span:first-child{font-size:18px;padding:19px 10px}.cover:before{inset:10px}.cover:after{top:8px;left:13px}.cover .artlabel{font-size:9px}main{padding-top:22px}.intro{padding-top:4px;padding-bottom:12px;margin-bottom:12px}.intro:after{width:50px;height:60px;right:5px}.eyebrow{font-size:9px;letter-spacing:.05em;max-width:90%;position:relative;z-index:1}.mobile-break{display:block}.intro h1{font-size:27px}.intro>p:last-child{font-size:12px}.section-head{flex-wrap:wrap;gap:5px 12px}.section-head>span{font-size:10px}.filter-button{padding:8px 10px;min-height:44px;font-size:11px}.category-filter{gap:7px}.sample-notice{font-size:10px}.ad{min-height:100px}dl{grid-template-columns:100px 1fr}}
@media(prefers-reduced-motion:reduce){.game{transition:none}.game:hover{transform:none}}
/* White cyber theme: retain category identity with readable, deeper hues. */
:root{color-scheme:light;--paper:#fff;--surface:#fff;--ink:#182c45;--muted:#596b80;--line:#dbe4ed;--accent:#006783;--category:#006783}
body{background:#fff;color:var(--ink)}
header{border-bottom-color:#cfdeea;background:#fff}header:after{background:#0785a4;box-shadow:0 0 10px #0785a41a}
.brand{color:#152c46}.brand:before{background:#0785a4;box-shadow:0 0 12px #0785a41a}.brand small{color:#536d86}
header nav a{color:#455d76}header nav a:hover{color:#006783}
.intro{background:linear-gradient(100deg,#f0f8fb88,transparent 70%);border-radius:3px;padding-left:16px;border-left:2px solid #c9e5ef}.intro:after{border-color:#9fc9da;background:linear-gradient(135deg,transparent,#eaf5fa80)}
.eyebrow{color:#306783}.signal{background:#0785a4;box-shadow:0 0 7px #0785a433}.intro h1{color:#172e48}.section-head h2:before{color:#0785a4}
.filter-button{background:#fff;border-color:#d2deea;color:#3c536d}.filter-button span{color:#63758b}.filter-button:hover{background:#f5f9fc}.filter-button[aria-pressed=true]{background:color-mix(in srgb,var(--category) 7%,#fff);border-color:var(--category);color:var(--category);box-shadow:inset 0 -2px var(--category)}
.game{background:#fff;border-color:color-mix(in srgb,var(--category) 72%,#fff);box-shadow:0 5px 14px #19334a0c,0 0 0 3px #f3f6f9}
.game:hover{box-shadow:0 10px 20px #19334a16,0 0 0 3px color-mix(in srgb,var(--category) 9%,#fff)}
.cover{background:radial-gradient(ellipse at 85% 10%,color-mix(in srgb,var(--category) 10%,#fff),transparent 70%),linear-gradient(135deg,#f6f9fc,#eef3f8);border-bottom-color:#dce5ee}
.cover:before{border-color:color-mix(in srgb,var(--category) 27%,#fff)}.cover>span:first-child{text-shadow:none}.cover .artlabel{color:#586d82}
.caption h3{color:#162e49}.badge{background:#f1f5f9;color:#51657a;border-color:#d4dee9}
.ad{background:#f8fafc;border-color:#c4d0dc;color:#617286}
.detail p{color:#435d76}.play{background:#067894;color:#fff;border-color:#006783;box-shadow:0 4px 10px #0067831a}.play:hover{background:#006783}dd{color:#435d76}
.notice{background:#eef7fb;border-left-color:#0785a4;color:#294b64}.qa-toolbar button{background:#fff;color:#29465f}.skip{background:#152c46;color:#fff}
footer{background:#fff}footer a{color:#455f7a}
a:focus-visible,button:focus-visible{outline-color:#0057b8}
@media(max-width:540px){.intro{padding-left:12px}.intro h1{font-size:26px}.intro:after{border-color:#b4d5e2}}
/* v0.2.2: black typography and clearly visible boundaries. */
:root{--ink:#000;--muted:#000;--line:#737e8a;--accent:#000}
body,a,.brand,.brand small,header nav a,header nav a:hover,.eyebrow,.intro h1,.intro>p:last-child,.section-head>span,.sample-notice,.filter-count,.filter-button,.filter-button span,.filter-button[aria-pressed=true],.game,.caption h3,.category-label,.meta,.cover,.cover>span:first-child,.cover .artlabel,.badge,.ad,.detail p,.hint,dd,.notice,.qa-toolbar button,footer,footer a{color:#000}
.detail .hint{color:#000!important}
header{border-bottom:2px solid #536171}header:after{bottom:-2px;height:4px}
.intro{border-left:3px solid #08778f;background:linear-gradient(100deg,#eef6fa,transparent 85%)}.intro:after{border-color:#728b9d}
.section-head{border-bottom:2px solid #536171;padding-bottom:14px}
.category-filter{padding:12px;background:#f2f5f8;border:1px solid #7c8895;border-radius:7px}
.filter-button{border:1px solid #667585;background:#fff;font-weight:600}
.filter-button[aria-pressed=true]{border:2px solid var(--category);padding:8px 12px;background:color-mix(in srgb,var(--category) 10%,#fff);box-shadow:inset 0 -2px var(--category);color:#000}
.filter-button:hover{background:#eaf0f5}
.game{border:2px solid var(--category);box-shadow:0 5px 12px #19334a15}
.game:hover{box-shadow:0 9px 18px #19334a24,0 0 0 2px color-mix(in srgb,var(--category) 13%,#fff)}
.game:after{height:4px}.cover{border-bottom:1px solid #718093}.cover:before{border-color:color-mix(in srgb,var(--category) 65%,#fff)}
.cover>span:first-child{color:#000}.cover .artlabel{font-size:11px;background:#ffffffd9;padding:1px 4px;border-radius:2px}
.category-label{font-size:12px}.category-label:before{width:7px;height:7px}
.badge{border:1px solid #7c8895;background:#edf1f5;color:#000;font-size:11px}
.sample-notice,.filter-count,.section-head>span{font-size:12px}
.brand small{font-size:10px}.eyebrow{font-size:11px}
.ad{border:1px dashed #677889;background:#f3f5f7;color:#000}
.play,.play:hover{color:#000;background:#c8f0fa;border:2px solid #006783;box-shadow:0 3px 0 #9abfca}
.detail>.cover{border-width:2px}.notice{border:1px solid #7c8895;border-left:4px solid #08778f}
dt,dd{border-bottom:1px solid #737e8a}footer{border-top:2px solid #536171}footer a{text-decoration:underline}
.skip,.skip:focus{color:#000;background:#fff;border:2px solid #000}
@media(max-width:540px){.category-filter{padding:10px;gap:8px}.filter-button[aria-pressed=true]{padding:7px 9px}.sample-notice,.section-head>span{font-size:11px}.eyebrow{font-size:10px}.cover .artlabel{font-size:10px}.intro:after{border-color:#728b9d}}

/* v0.2.7: separate ad reservation from navigation; no advertising SDK. */
.ad{display:block;position:relative;padding:14px 18px 18px;margin-top:40px;border:1px solid #8795a5;border-radius:8px;background:#f3f5f7}.ad-label{display:block;text-align:left;font-size:11px;font-weight:650;letter-spacing:.08em;margin-bottom:8px}.ad-space{min-height:140px;display:grid;align-content:center;justify-items:center;gap:7px;border:1px dashed #9ca8b4;border-radius:4px;background:#fff}.ad-space strong{font-size:13px;font-weight:600}.ad-space small{font-size:11px}.cover img{z-index:1}.cover .artlabel{z-index:2}.detail>.cover{align-self:start}.cover:has(img):before,.cover:has(img):after{display:none}@media(max-width:540px){.ad{padding:12px;margin-top:32px}.ad-space{min-height:110px}}
/* Advertisement proposal routes only. */
.mock-review{padding:14px 18px;margin:0 0 24px;border:1px solid #067c96;border-left:4px solid #067c96;background:#eff9fc;border-radius:6px}.mock-review>strong{font-size:15px}.mock-review p{font-size:12px;margin:3px 0 9px}.mock-review nav{gap:10px;flex-wrap:wrap}.mock-review a{padding:8px 12px;min-height:44px;display:inline-flex;align-items:center;border:1px solid #829aaa;border-radius:4px;background:white;color:#000;font-size:12px;text-decoration:none}.mock-inline-ad{grid-column:1/-1;margin:6px 0 12px}.detail .ad{margin-top:28px}.detail .ad-space{min-height:160px}@media(max-width:540px){.mock-review{padding:12px}.mock-review nav{gap:7px}.mock-review a{font-size:11px;padding:7px 8px}.mock-inline-ad .ad-space{min-height:110px}.detail .ad-space{min-height:110px}}

/* Compact catalog heading after removing the introductory copy. */
.section-head .catalog-title{margin:0;font-size:23px;line-height:1.5}.section-head .catalog-title:before{content:'//';color:#08778f;font:20px ui-monospace,monospace;margin-right:12px}body:has(.catalog-title) main{padding-top:24px}.section-head:has(.catalog-title){margin-bottom:12px;padding-bottom:14px}@media(max-width:540px){.section-head .catalog-title{font-size:21px}body:has(.catalog-title) main{padding-top:20px}}

.catalog-top-ad{margin-bottom:26px}.catalog-top-ad .ad{margin:0;padding:10px 14px 14px}.catalog-top-ad .ad-space{min-height:100px}.catalog-top-ad .ad-label{margin-bottom:6px}@media(max-width:540px){.catalog-top-ad{margin-bottom:22px}.catalog-top-ad .ad{padding:9px 10px 10px}.catalog-top-ad .ad-space{min-height:90px}}
.before-play{max-width:820px;margin:24px 0}.before-play>h2{margin:0 0 10px}.before-play>p{font-size:14px}.before-play details{border:1px solid #8493a2;border-radius:6px;padding:0 16px;background:#f7fafc;margin-bottom:24px}.before-play summary{cursor:pointer;font-size:14px;font-weight:600;min-height:48px;padding:12px 0}.before-play details[open]{padding-bottom:16px}.before-play details p{font-size:14px;margin-top:12px}.before-play details a{display:inline-block;min-height:44px;padding:8px 0}