:root,[data-theme=dark]{--bg: #0b0b0d;--bg-elev: #141417;--text: #ededed;--muted: #9a9aa2;--line: #2a2a30;--accent: #e8c36b;--spot: radial-gradient(60% 60% at 50% 38%, rgba(232, 195, 107, .1), transparent 70%);--metal-gold: #d4af37;--metal-silver: #c8ccd4;--metal-copper: #b87333;--coin-edge: rgba(0, 0, 0, .55);--coin-shine: rgba(255, 255, 255, .6);--font-brand: "Cinzel", Georgia, serif;--font-display: "Cormorant Garamond", Georgia, "Times New Roman", serif;--font-body: "Spectral", Georgia, serif;--fs-eyebrow: .8rem;--fs-small: .85rem;--fs-body: 1.0625rem;--fs-h3: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);--fs-h2: clamp(2rem, 1.3rem + 2.6vw, 3.2rem);--fs-h1: clamp(2.8rem, 1.4rem + 5.5vw, 4.8rem);--fs-hero: clamp(3.2rem, 1.2rem + 7.5vw, 6.5rem);--fs-display: clamp(4rem, 1rem + 14vw, 11rem);--fw-brand: 700;--fw-display: 600;--fw-heading: 600;--fw-body: 400;--fw-medium: 500;--lh-tight: 1.05;--lh-snug: 1.25;--lh-body: 1.7;--num-feature: "kern" 1, "liga" 1, "onum" 1, "pnum" 1}[data-theme=light]{--bg: #f6f3ec;--bg-elev: #ffffff;--text: #1a1a1a;--muted: #6b6b6b;--line: #e2ddd2;--accent: #b8860b;--spot: radial-gradient(60% 60% at 50% 38%, rgba(184, 134, 11, .1), transparent 70%);--metal-gold: #c9a227;--metal-silver: #b9bdc6;--metal-copper: #a85f2c;--coin-edge: rgba(0, 0, 0, .25);--coin-shine: rgba(255, 255, 255, .85)}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:var(--fs-body);font-optical-sizing:auto;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}body{margin:0;min-height:100vh;background-image:var(--spot);background-repeat:no-repeat;background-attachment:fixed;line-height:var(--lh-body);font-feature-settings:var(--num-feature)}h1,h2,h3{font-family:var(--font-display);font-weight:var(--fw-heading);line-height:var(--lh-tight);letter-spacing:-.015em;text-wrap:balance}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:920px;margin:0 auto;padding:0 20px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;max-width:1100px;margin:0 auto}.brand{display:inline-flex;align-items:center;gap:7px;font-family:var(--font-brand);font-size:1.2rem;font-weight:var(--fw-brand);text-transform:uppercase;letter-spacing:.16em;color:var(--text)}.brand-mark{width:26px;height:26px;flex:none;transform:translateY(-1.5px)}.brand-word>span{color:var(--accent)}.theme-toggle{position:fixed;right:20px;bottom:20px;z-index:1000;width:48px;height:48px;border-radius:50%;background:var(--bg-elev);border:1px solid var(--line);color:var(--text);cursor:pointer;font-family:var(--font-body);font-size:.7rem;font-weight:600;display:grid;place-items:center;box-shadow:0 6px 20px #00000047}.theme-toggle:hover{border-color:var(--accent)}.theme-toggle .icon{width:22px;height:22px;display:block}.theme-toggle .icon-sun{display:none}:root[data-theme=light] .theme-toggle .icon-sun{display:block}:root[data-theme=light] .theme-toggle .icon-moon{display:none}.top-nav{display:flex;align-items:center;gap:16px}.top-nav a{font-family:var(--font-brand);text-transform:uppercase;letter-spacing:.14em;font-size:.85rem;font-weight:600;color:var(--text);opacity:.85}.top-nav a:hover{color:var(--accent);opacity:1}.stage{text-align:center;padding:32px 0 8px}.eyebrow{font-family:var(--font-brand);text-transform:uppercase;letter-spacing:.3em;font-size:var(--fs-eyebrow);font-weight:600;color:var(--accent);margin-bottom:16px}.stage h1{font-size:var(--fs-hero);font-weight:var(--fw-display);letter-spacing:-.015em;line-height:var(--lh-tight);margin:0 0 18px}.stage p.lede{font-family:var(--font-display);font-weight:500;color:var(--muted);font-size:clamp(1.25rem,1rem + 1vw,1.6rem);line-height:1.5;max-width:560px;margin:0 auto 22px}.q-input{width:min(520px,90%);margin:14px auto 4px;display:block;background:var(--bg-elev);border:1px solid var(--line);color:var(--text);border-radius:12px;padding:12px 16px;font-family:var(--font-body);font-size:1rem;text-align:center}.q-input::placeholder{color:var(--muted)}.q-input:focus{outline:none;border-color:var(--accent)}.coin-3d{perspective:1100px;width:220px;height:220px;margin:40px auto 8px}.coin{position:relative;width:100%;height:100%;transform-style:preserve-3d;transform:rotateY(0)}.coin-face{position:absolute;inset:0;border-radius:50%;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:grid;place-items:center;box-shadow:0 24px 48px var(--coin-edge),0 5px #00000059,inset 0 2px 3px #ffffff8c,inset 0 -4px 8px #0006}.coin-disc{width:100%;height:100%;border-radius:50%;display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:2.4rem;color:#1a1408;position:relative;overflow:hidden;background:radial-gradient(circle at 30% 24%,rgba(255,255,255,.95),transparent 38%),radial-gradient(circle at 74% 80%,rgba(0,0,0,.5),transparent 55%),radial-gradient(circle at 50% 50%,rgba(255,255,255,.12),transparent 70%),var(--metal, #d4af37);box-shadow:inset 0 0 0 2px #ffffff4d,inset 0 0 24px #00000047}.coin-disc:before{content:"";position:absolute;inset:0;border-radius:50%;background:linear-gradient(125deg,rgba(255,255,255,.7) 0%,transparent 34%,transparent 60%,rgba(255,255,255,.25) 100%);pointer-events:none}.coin-disc:after{content:"";position:absolute;inset:0;border-radius:50%;background:repeating-conic-gradient(from 0deg,rgba(0,0,0,.3) 0deg 1.3deg,transparent 1.3deg 3deg);-webkit-mask:radial-gradient(circle,transparent 47%,#000 48%);mask:radial-gradient(circle,transparent 47%,#000 48%);mix-blend-mode:overlay;pointer-events:none}.coin-face.back{transform:rotateY(180deg)}.art-wrap{position:absolute;inset:0;display:grid;place-items:center;z-index:2}.coin-photo{width:100%;height:100%;aspect-ratio:1;border-radius:50%;object-fit:cover;display:block;background:var(--metal, #d4af37);box-shadow:0 0 0 1px var(--metal, #d4af37),0 0 0 2px color-mix(in srgb,var(--metal, #d4af37) 55%,#ffffff),0 0 16px 4px color-mix(in srgb,var(--metal, #d4af37) 55%,transparent),0 10px 30px #00000059}.art{width:100%;height:100%;display:block}.art text{fill:#120c04d1;font-family:var(--font-display);font-weight:700}.art text.lat{font-family:var(--font-body)}.art .hi{fill:#fff9}.coin-name{margin-top:12px;margin-bottom:4px;font-family:var(--font-display);font-weight:var(--fw-heading);font-size:1.3rem;letter-spacing:.02em;opacity:.92;text-align:center}.result{min-height:2.8rem;margin-top:6px;font-family:var(--font-display);font-size:clamp(1.7rem,1rem + 3vw,2.8rem);font-weight:var(--fw-display);line-height:1.15;letter-spacing:0;padding:2px 0}.result .face{color:var(--accent)}.btn{background:var(--accent);color:#1a1408;border:none;border-radius:12px;padding:14px 34px;font-family:var(--font-brand);text-transform:uppercase;letter-spacing:.1em;font-size:.95rem;font-weight:700;cursor:pointer;margin-top:6px;transition:transform .08s ease,filter .15s ease}.btn:hover{filter:brightness(1.05)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:default}.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:10px;padding:9px 18px;cursor:pointer;font-size:.9rem}.btn-ghost:hover{border-color:var(--accent)}.share-tray{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:16px;margin-bottom:24px}.share-tray[hidden]{display:none}.share-ic{width:44px;height:44px;border:none;border-radius:0;background:transparent;color:var(--accent);display:grid;place-items:center;cursor:pointer;padding:0;transition:transform .15s ease,opacity .15s ease}.share-ic:hover{transform:scale(1.12);opacity:.82}.share-ic:active{transform:scale(1.06)}.share-ic svg{width:30px;height:30px;display:block}.share-ic[data-action=share] svg{width:36px;height:36px}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,12px);background:var(--text);color:var(--bg);padding:10px 18px;border-radius:999px;font-size:.9rem;letter-spacing:.02em;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:50}.toast.show{opacity:1;transform:translate(-50%)}.picker{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:22px auto 0;max-width:720px}.pick{width:54px;height:54px;border-radius:50%;border:2px solid var(--line);background:var(--bg-elev);cursor:pointer;display:grid;place-items:center;overflow:hidden;padding:0}.pick-photo{width:100%;height:100%;object-fit:cover;display:block;border-radius:50%}.pick-badge{font-family:var(--font-display);font-weight:var(--fw-heading);font-size:1.1rem;color:var(--text)}.pick[aria-pressed=true]{border-color:var(--accent);box-shadow:0 0 0 3px #e8c36b40}.museum-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:20px;margin:28px 0}.coin-card{background:var(--bg-elev);border:1px solid var(--line);border-radius:16px;padding:22px 18px;text-align:center;color:var(--text);display:block}.coin-card:hover{text-decoration:none;border-color:var(--accent)}.coin-card .mini{width:96px;height:96px;margin:0 auto 12px}.coin-card .mini-photo{width:100%;height:100%;aspect-ratio:1;object-fit:contain;border-radius:50%;background:var(--bg);box-shadow:inset 0 0 0 1px var(--line)}.coin-card h3{font-size:var(--fs-h3);font-weight:var(--fw-heading);margin:0 0 4px}.coin-card .meta{color:var(--muted);font-size:.8rem}.museum-frame{margin:28px auto;max-width:320px;background:var(--bg-elev);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 24px 60px #00000059}.museum-frame img{width:100%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:10px;display:block;background:#1a1a1e}.museum-frame figcaption{margin-top:10px;font-size:.78rem;color:var(--muted)}.museum-frame figcaption .face-label{color:var(--accent);font-family:var(--font-brand);text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;font-weight:600;margin-right:8px}.museum-frame figcaption .credit{opacity:.85}.coin-flip{perspective:1200px;width:100%;max-width:360px;margin:0 auto}.coin-flip-inner{position:relative;width:100%;padding-top:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.2,.7,.3,1);cursor:pointer}.coin-flip-inner.is-flipped{transform:rotateY(180deg)}.coin-flip-inner .face{position:absolute;inset:0;width:100%;height:100%;border-radius:10px;object-fit:cover;background:#1a1a1e;backface-visibility:hidden;-webkit-backface-visibility:hidden}.coin-flip-inner .face.back{transform:rotateY(180deg)}.flip-btn{display:inline-block;margin-top:12px;background:transparent;border:1px solid var(--line);color:var(--text);border-radius:999px;padding:7px 16px;font-family:var(--font-brand);text-transform:uppercase;letter-spacing:.1em;font-size:.72rem;font-weight:600;cursor:pointer;transition:border-color .15s ease,color .15s ease}.flip-btn:hover{border-color:var(--accent);color:var(--accent)}@media(prefers-reduced-motion:reduce){.coin-flip-inner{transition:none}}.credit-list{list-style:none;padding:0;margin:28px 0 0;border-top:1px solid var(--line)}.credit-list li{display:flex;flex-direction:column;gap:3px;padding:13px 0;border-bottom:1px solid var(--line)}.credit-name{font-family:var(--font-display);font-size:1.15rem;font-weight:600}.credit-meta{font-size:.85rem;color:var(--muted)}.credit-meta a{color:var(--accent)}.coin-stage{display:flex;align-items:center;justify-content:center;gap:clamp(10px,4vw,44px);margin:30px auto}.coin-stage>.museum-frame{margin:0;flex:0 0 auto;width:min(360px,100%)}.coin-stage>.coin-3d{margin:0}.coin-thumb{position:relative;flex:0 0 auto;width:clamp(58px,13vw,84px);display:flex;flex-direction:column;align-items:center;justify-content:center;align-self:stretch;text-decoration:none;color:var(--text)}.thumb-disc{width:100%;aspect-ratio:1;border-radius:50%;overflow:hidden;border:1px solid var(--line);background:var(--bg-elev);display:flex;align-items:center;justify-content:center;transition:border-color .15s ease,transform .12s ease,box-shadow .15s ease}.thumb-disc img{width:100%;height:100%;object-fit:cover}.thumb-disc .badge{font-family:var(--font-display);font-size:1.7rem;font-weight:600;color:var(--accent)}.coin-thumb:hover .thumb-disc{border-color:var(--accent);transform:scale(1.07);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent)}.coin-thumb .cn-name{position:absolute;top:calc(50% + clamp(29px,6.5vw,42px) + 9px);left:50%;transform:translate(-50%);font-family:var(--font-display);font-size:.78rem;line-height:1.15;text-align:center;color:var(--muted);max-width:9ch;transition:color .15s ease}.coin-thumb:hover .cn-name{color:var(--text)}.coin-thumb .chev{position:absolute;top:50%;transform:translateY(-50%);font-size:1.5rem;line-height:1;color:var(--muted);pointer-events:none;transition:color .15s ease}.coin-thumb.prev .chev{left:-16px}.coin-thumb.next .chev{right:-16px}.coin-thumb:hover .chev{color:var(--accent)}@media(max-width:520px){.coin-stage{gap:12px}.coin-stage>.museum-frame{width:min(280px,calc(100% - 128px))}.coin-thumb .chev{display:none}.coin-thumb{width:52px}.coin-thumb .cn-name{display:none}}.footer{border-top:1px solid var(--line);margin-top:60px;padding:28px 20px;color:var(--muted);font-size:.85rem}.footer nav{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;margin-bottom:14px}.footer nav a{font-family:var(--font-brand);text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:600;color:var(--muted)}.footer nav a:hover{color:var(--accent)}.footer .footer-contact{text-align:center;margin-bottom:10px}.footer .footer-contact a{color:var(--muted);font-family:var(--font-body);font-size:.85rem;letter-spacing:.02em}.footer .footer-contact a:hover{color:var(--accent)}.footer .copyright{text-align:center}.prose{max-width:720px;margin:0 auto;padding:40px 0 20px}.prose h1{font-size:var(--fs-h1);font-weight:var(--fw-display);letter-spacing:-.02em;margin:0 0 18px}.prose h1+*{margin-top:0}.prose h2{margin-top:36px;font-size:var(--fs-h2);font-weight:var(--fw-heading)}.prose p,.prose li{color:var(--text)}.prose .muted{color:var(--muted)}.prose .eyebrow{color:var(--accent)}.prose .lede{font-family:var(--font-display);font-weight:500;font-size:clamp(1.15rem,1rem + .8vw,1.45rem);line-height:1.5;max-width:640px;margin:0 0 28px}.notfound{text-align:center;padding:90px 20px}.notfound .code{font-family:var(--font-display);font-size:var(--fs-display);font-weight:var(--fw-display);color:var(--accent);line-height:1;margin:0}.notfound .msg{color:var(--muted);font-size:1.1rem;font-weight:400;margin:8px 0 24px}.notfound .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;align-items:center}@media(prefers-reduced-motion:reduce){.coin{transition:none!important}}