:root{--bg:#0e1420;--bg-grad:radial-gradient(1200px 600px at 50% -10%,#16233a 0%,#0e1420 55%);--surface:#171f2e;--surface-2:#1f2a3d;--surface-3:#253248;--border:#2a3550;--text:#eaf0fb;--text-dim:#c8d8f8;--text-faint:#b3cbff;--accent-gold:#f2b705;--accent-gold-dim:#7a5e08;--accent-blue:#4fc3f7;--success:#4ade80;--success-bg:#4ade801f;--danger:#f87171;--danger-bg:#f871711f;--locked:#2c374d;--shadow:0 20px 50px -20px #0009;--radius-lg:20px;--radius-md:14px;--radius-sm:9px;--font-display:"Segoe UI Semibold","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;--font-body:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,"SF Mono","Cascadia Code",Consolas,"Courier New",monospace}
html[data-theme="light"]{--bg:#f2f4f9;--bg-grad:radial-gradient(1200px 600px at 50% -10%,#fff 0%,#f2f4f9 55%);--surface:#fff;--surface-2:#f6f8fc;--surface-3:#edf1f8;--border:#dde3ef;--text:#101623;--text-dim:#29303f;--text-faint:#34415c;--accent-gold:#b8860b;--accent-gold-dim:#e8d59a;--accent-blue:#0d84c7;--success:#1a9e5c;--success-bg:#1a9e5c1a;--danger:#d1414a;--danger-bg:#d1414a1a;--locked:#e2e7f1;--shadow:0 20px 50px -25px #1e284640}
*,::before,::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg-grad),var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:999px;border:1px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:var(--text-faint);background-clip:padding-box}
*{scrollbar-width:thin;scrollbar-color:var(--border) transparent}
img,svg{display:block;max-width:100%}
a{color:inherit}
button{font-family:inherit}
h1,h2,h3{font-family:var(--font-display);letter-spacing:-.02em;margin:0 0 .5em}
p{margin:0 0 1em;color:var(--text-dim)}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:720px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent-blue);color:#05131c;padding:10px 16px;border-radius:0 0 8px 0;z-index:200;font-weight:600}
.skip-link:focus{left:0}
:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}
@media (prefers-reduced-motion: reduce) {
*,::before,::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);background:var(--surface);background:color-mix(in srgb,var(--bg) 78%,transparent);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand-mark{color:var(--accent-gold);display:flex}
.brand-name{font-family:var(--font-display);font-weight:700;font-size:1.25rem;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:10px}
.text-btn{background:none;border:none;color:var(--text-dim);font-size:.95rem;font-weight:500;cursor:pointer;padding:8px 2px;font-family:inherit}
.text-btn:hover{color:var(--text)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;flex-shrink:0}
.icon-btn:hover{background:var(--surface-2)}
.game-hero{padding:56px 0 40px}
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-gold);background:var(--surface-2);background:color-mix(in srgb,var(--accent-gold) 14%,transparent);padding:5px 12px;border-radius:999px;margin-bottom:16px}
.game-hero h1{font-size:clamp(1.8rem,4.2vw,2.9rem);max-width:90ch}
.hero-sub{font-size:1.05rem;margin-bottom:32px}
.game-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px;flex-wrap:wrap}
.attempt-track{display:flex;gap:6px}
.attempt-dot{width:14px;height:14px;border-radius:4px;background:var(--locked);border:1px solid var(--border);transition:background .2s,transform .2s}
.attempt-dot.used-wrong{background:var(--danger);border-color:var(--danger)}
.attempt-dot.used-right{background:var(--success);border-color:var(--success)}
.difficulty-pill{font-family:var(--font-mono);font-size:.8rem;color:var(--text-dim);background:var(--surface-2);border:1px solid var(--border);padding:5px 12px;border-radius:999px}
.achievement-strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;margin-bottom:22px}
.ach-tile{aspect-ratio:1;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--surface-2);display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}
.ach-tile.locked{background:repeating-linear-gradient(135deg,var(--locked),var(--locked) 8px,var(--surface-2) 8px,var(--surface-2) 16px)}
.ach-tile.locked svg{opacity:.35}
.ach-tile.unlocked{border-color:var(--accent-gold-dim);box-shadow:0 0 0 1px var(--accent-gold-dim) inset;animation:unlockPop .4s ease}
.ach-tile.unlocked img{width:100%;height:100%;object-fit:cover}
.ach-tile.img-error{display:flex;align-items:center;justify-content:center}
.ach-tile.img-error img{display:none}
.ach-tile.img-error::after{content:"Image unavailable";font-size:.7rem;color:var(--text-faint);text-align:center;padding:6px}
.ach-tile .ach-shine{position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,#ffffff59 45%,transparent 60%);transform:translateX(-120%);animation:shineSweep 1s ease-out .1s}
@keyframes unlockPop {
0%{transform:scale(.8);opacity:0}
60%{transform:scale(1.05)}
100%{transform:scale(1);opacity:1}
}
@keyframes shineSweep {
to{transform:translateX(120%)}
}
.blur-hero{border-radius:var(--radius-md);overflow:hidden;margin-bottom:22px;border:1px solid var(--border);aspect-ratio:16/9;background:var(--surface-2)}
.blur-hero img{width:100%;height:100%;object-fit:cover;display:block;filter:blur(18px);transform:scale(1.1);transition:filter .5s ease}
.hint-assist{display:flex;gap:10px;flex-wrap:wrap;margin:-8px 0 16px}
.hint-assist span{font-family:var(--font-mono);font-size:.8rem;background:var(--surface-2);border:1px solid var(--border);color:var(--text-dim);padding:5px 11px;border-radius:999px}
.guess-form{display:flex;gap:10px;margin-bottom:16px}
.guess-input-wrap{position:relative;flex:1}
#guess-input{width:100%;padding:13px 16px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--surface-2);color:var(--text);font-size:1rem;font-family:inherit}
#guess-input:focus{border-color:var(--accent-blue)}
#guess-input::placeholder{color:var(--text-faint)}
#guess-input:disabled{opacity:.5}
.autocomplete-list{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:20;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-md);list-style:none;margin:0;padding:6px;max-height:260px;overflow-y:auto;overflow-x:hidden;box-shadow:var(--shadow);animation:acDropIn .14s ease}
@keyframes acDropIn {
from{opacity:0;transform:translateY(-4px)}
to{opacity:1;transform:translateY(0)}
}
.autocomplete-list li{padding:9px 12px;border-radius:8px;cursor:pointer;font-size:.95rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.autocomplete-list li:hover,.autocomplete-list li.active{background:var(--surface-3)}
.autocomplete-list mark{background:transparent;color:var(--accent-blue);font-weight:700}
.btn{border-radius:var(--radius-md);border:1px solid transparent;padding:13px 20px;font-weight:600;font-size:.95rem;cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--accent-blue);color:#04141f}
.btn-primary:hover{filter:brightness(1.08)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-ghost{background:var(--surface-2);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface-3)}
.btn-small{padding:8px 14px;font-size:.85rem}
.guess-history{list-style:none;margin:0 0 6px;padding:0;display:flex;flex-direction:column;gap:8px}
.guess-history li{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-sm);background:var(--danger-bg);border:1px solid transparent;font-size:.92rem}
.guess-history li.correct{background:var(--success-bg)}
.guess-history .g-icon{flex-shrink:0;width:18px;height:18px}
.guess-history .g-icon.wrong{color:var(--danger)}
.guess-history .g-icon.right{color:var(--success)}
.round-result{margin-top:6px;padding:18px;border-radius:var(--radius-md);background:var(--surface-2);border:1px solid var(--border);text-align:center}
.round-result p{color:var(--text);font-weight:600;margin-bottom:12px}
.result-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.fair-use-note{font-size:.78rem;color:var(--text-faint);margin:16px 0 0}
.fair-use-note code{font-family:var(--font-mono)}
.unlock-toast{position:absolute;top:-100px;right:20px;display:flex;align-items:center;gap:12px;background:var(--surface-3);border:1px solid var(--accent-gold-dim);border-radius:var(--radius-md);padding:12px 18px;box-shadow:var(--shadow);color:var(--accent-gold);transition:top .5s cubic-bezier(.2,.9,.3,1.3);z-index:30}
.unlock-toast.show{top:20px}
.unlock-toast strong{display:block;font-size:.85rem}
.unlock-toast span{font-size:.8rem;color:var(--text-dim)}
.intro-copy{padding:56px 0;border-top:1px solid var(--border)}
.intro-copy h2{font-size:clamp(1.4rem,3vw,1.9rem)}
.steps-list{list-style:none;margin:28px 0 0;padding:0;display:flex;flex-direction:column;gap:26px}
.steps-list li{display:flex;gap:18px;align-items:flex-start}
.step-num{font-family:var(--font-mono);font-size:.85rem;color:var(--accent-blue);background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:5px 9px;flex-shrink:0;margin-top:2px}
.steps-list h3{font-size:1.05rem;margin-bottom:4px}
.steps-list p{margin:0}
.faq-list{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);overflow:hidden}
.faq-question{width:100%;text-align:left;background:none;border:none;color:var(--text);padding:16px 18px;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px}
.faq-question .chev{flex-shrink:0;transition:transform .2s;color:var(--text-dim)}
.faq-question[aria-expanded="true"] .chev{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-answer p{padding:0 18px 16px;margin:0}
.faq-item.open .faq-answer{max-height:300px}
.modal-backdrop{position:fixed;inset:0;background:#050a1499;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;overflow-y:auto}
.modal-backdrop[hidden]{display:none}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px;max-width:440px;width:100%;position:relative;box-shadow:var(--shadow);max-height:calc(100vh - 40px);overflow-y:auto;margin:auto}
.modal h2{font-size:1.3rem}
.modal h3{font-size:.95rem;margin:0 0 8px}
.modal-close{position:absolute;top:14px;right:14px;background:none;border:none;color:var(--text-dim);font-size:1.6rem;cursor:pointer;line-height:1;padding:4px}
.modal-close:hover{color:var(--text)}
.modal .steps-list{margin-top:18px;gap:20px}
.modal .faq-list{margin-top:4px}
.modal-image{max-width:720px;padding:16px}
.modal-image img{width:100%;border-radius:var(--radius-md);border:1px solid var(--border);display:block}
.modal-image .modal-close{background:#0a0e16a6;color:#fff;border-radius:50%;top:26px;right:26px;width:32px;height:32px;display:flex;align-items:center;justify-content:center}
.modal-image .modal-close:hover{background:#0a0e16d9;color:#fff}
.image-modal-caption{margin:12px 4px 0;font-size:.85rem;color:var(--text-dim);text-align:center}
.ach-tile.unlocked{cursor:pointer}
.ach-tile.unlocked:hover{transform:translateY(-2px);box-shadow:0 8px 20px -10px #00000080 0 0 0 1px var(--accent-gold-dim) inset}
.ach-tile.unlocked:focus-visible{outline:2px solid var(--accent-blue);outline-offset:2px}
.blur-hero{cursor:pointer}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0;text-align:center}
.stats-grid strong{display:block;font-size:1.5rem;font-family:var(--font-mono)}
.stats-grid span{font-size:.75rem;color:var(--text-dim)}
.dist-chart{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.dist-row{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.8rem}
.dist-row .dist-bar-wrap{flex:1;background:var(--surface-2);border-radius:4px;overflow:hidden;height:18px}
.dist-row .dist-bar{height:100%;background:var(--accent-blue);min-width:0;display:flex;align-items:center;justify-content:flex-end;color:#04141f;font-size:.72rem;padding-right:6px;transition:width .3s ease}
#stats-empty-note{margin:-8px 0 16px}
.setting-group{margin-bottom:22px}
.setting-group:last-of-type{margin-bottom:16px}
.setting-hint{font-size:.8rem;color:var(--text-faint);margin:8px 0 0}
.segmented{display:flex;border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--surface-2)}
.segmented button{flex:1;border:none;background:none;color:var(--text-dim);padding:10px 8px;font-size:.88rem;font-weight:600;cursor:pointer;font-family:inherit}
.segmented button[aria-checked="true"]{background:var(--accent-blue);color:#04141f}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer}
.switch-row strong{display:block;font-size:.92rem}
.switch-row .setting-hint{margin-top:2px}
.switch-row input[type="checkbox"]{width:20px;height:20px;flex-shrink:0;accent-color:var(--accent-blue)}
.setting-note{font-size:.75rem;color:var(--text-faint);margin:0}
.site-footer{border-top:1px solid var(--border);padding:44px 0 28px;margin-top:20px}
.footer-grid{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:20px;margin-bottom:24px}
.brand-footer{margin-bottom:6px}
.footer-tag{color:var(--text-faint);font-size:.85rem;margin:0}
.site-footer nav{display:flex;gap:18px;flex-wrap:wrap}
.site-footer nav a{text-decoration:none;color:var(--text-dim);font-size:.9rem}
.site-footer nav a:hover{color:var(--text)}
.disclaimer{font-size:.78rem;color:var(--text-faint);border-top:1px solid var(--border);padding-top:18px;max-width:800px}
.copyright{font-size:.78rem;color:var(--text-faint);margin:0}
@media (max-width: 720px) {
.header-inner{height:60px}
.main-nav{gap:8px}
.text-btn{display:none}
.game-hero{padding:32px 0 28px}
.game-card{padding:18px;border-radius:var(--radius-md)}
.achievement-strip{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.guess-form{flex-direction:column}
.btn{width:100%;justify-content:center}
.unlock-toast{left:12px;right:12px}
.stats-grid{grid-template-columns:repeat(2,1fr)}
.footer-grid{flex-direction:column}
}
@media (max-width: 420px) {
.wrap{padding:0 16px}
.achievement-strip{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}
}
@media (max-width: 380px) {
.brand{gap:2px}
.brand-name{font-size:1.05rem}
.brand-mark svg{width:22px;height:22px}
.main-nav{gap:6px}
.icon-btn{width:34px;height:34px;border-radius:8px}
.icon-btn svg{width:18px;height:18px}
.modal{padding:20px}
.segmented button{padding:9px 4px;font-size:.8rem}
}