:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--gold: #d4a017;--bronze: #b87333;--silver: #a8a9ad;--parchment: #1a1812;--dark: #0d0b08}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100vh;background:var(--dark);color:#e8e0d0}.app{min-height:100vh;max-width:1200px;margin:0 auto;padding:2rem 1.5rem}.header{margin-bottom:3rem;text-align:center}.header-content{display:inline-flex;align-items:center;gap:1.25rem}.header-icon{width:60px;height:60px;border-radius:50%;border:2px solid var(--gold);display:grid;place-items:center;background:radial-gradient(circle,rgba(212,160,23,.15),transparent);box-shadow:0 0 30px #d4a0171a}.ancient-symbol{font-size:1.75rem;color:var(--gold);text-shadow:0 0 10px rgba(212,160,23,.4)}.header h1{margin:0;font-size:2rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#d4a017,#f0d060,#d4a017);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.subtitle{margin:.25rem 0 0;color:#e8e0d080;font-size:.9rem;font-style:italic}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1.5rem;justify-items:center;margin-bottom:2rem}.coin-wrapper{cursor:pointer;text-align:center;transition:transform .3s}.coin-wrapper:hover{transform:translateY(-4px)}.coin-wrapper.selected .coin-label h3{color:var(--gold)}.coin-card{position:relative;width:140px;height:140px;perspective:600px;margin-bottom:.75rem}.coin-face{position:absolute;width:100%;height:100%;border-radius:50%;border:3px solid;display:grid;place-items:center;backface-visibility:hidden;transition:transform .6s;background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.08),transparent 60%),linear-gradient(160deg,#1a1812,#12100c);box-shadow:inset 0 2px 8px #0009,0 4px 16px #00000080}.coin-card.flipped .coin-front{transform:rotateY(180deg)}.coin-card .coin-back{transform:rotateY(-180deg)}.coin-card.flipped .coin-back{transform:rotateY(0)}.coin-ring{width:80%;height:80%;border-radius:50%;border:1px solid;display:grid;place-items:center}.coin-inner{width:70%;height:70%;border-radius:50%;border:1px dashed;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.2rem}.coin-symbol{font-size:2rem;text-shadow:0 0 15px currentColor;opacity:.8}.coin-year{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.6rem;color:#e8e0d080;letter-spacing:.1em}.coin-edge{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;pointer-events:none}.coin-back-content{display:flex;flex-direction:column;align-items:center;gap:.25rem}.coin-denomination{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.65rem;color:#e8e0d0b3;letter-spacing:.05em;text-transform:uppercase}.coin-origin{font-size:.55rem;color:#e8e0d066;text-transform:uppercase;letter-spacing:.12em}.coin-label h3{margin:0;font-size:.85rem;font-weight:600;color:#e8e0d0;transition:color .3s}.coin-material{font-size:.7rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em;text-transform:uppercase;opacity:.8}.coin-detail{background:#1a1812cc;border:1px solid rgba(212,160,23,.2);border-radius:1rem;padding:2rem;margin-bottom:2rem;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.detail-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.detail-header h2{margin:0;font-size:1.5rem;font-weight:700;color:#e8e0d0}.detail-badge{font-size:.7rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em;text-transform:uppercase;padding:.25rem .75rem;border-radius:999px;border:1px solid}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.detail-item{background:#ffffff08;border:1px solid rgba(255,255,255,.06);border-radius:.5rem;padding:1rem}.detail-label{display:block;font-size:.65rem;color:#e8e0d066;text-transform:uppercase;letter-spacing:.15em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:.35rem}.detail-value{font-size:1.1rem;font-weight:600;color:#e8e0d0}.detail-desc{margin:0;color:#e8e0d099;font-size:.95rem;line-height:1.7;font-style:italic}.footer{text-align:center;padding-top:1rem;border-top:1px solid rgba(255,255,255,.06)}.footer p{margin:0;color:#e8e0d04d;font-size:.8rem}@media(max-width:600px){.gallery{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:1fr}.header-content{flex-direction:column}}