:root{color-scheme:dark;--ink: #e5e7eb;--muted: #94a3b8;--paper: #0b1020;--card: #111827;--line: #334155;--surface-1: #0f172a;--surface-2: #1e293b;--brand: hsl(197 100% 58%);--brand-soft: hsl(196 100% 84%);--ok: hsl(150 75% 48%);--danger: hsl(2 93% 64%);--focus-ring: hsl(197 100% 58%)}html[data-theme=light]{color-scheme:light;--ink: #1f2937;--muted: #475569;--paper: #eef2ff;--card: #ffffff;--line: #cbd5e1;--surface-1: #f8fafc;--surface-2: #e2e8f0;--brand: hsl(196 93% 37%);--brand-soft: hsl(196 74% 27%);--ok: hsl(156 78% 30%);--danger: hsl(2 72% 44%);--focus-ring: hsl(196 93% 37%)}*{box-sizing:border-box}.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:1rem;top:-10rem;background:var(--brand);color:var(--paper);padding:.6rem 1rem;z-index:100;text-decoration:none;border-radius:.5rem;font-weight:600}.skip-link:focus{top:1rem}:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}:focus:not(:focus-visible){outline:none}body{margin:0;min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:clamp(.9375rem,.875rem + .25vw,1.0625rem);line-height:1.6;background:var(--paper);color:var(--ink);-webkit-text-size-adjust:100%;text-size-adjust:100%}.shell{width:min(980px,92vw);margin:2rem auto;padding:0 .5rem;display:grid;gap:1rem}.hero{position:relative;border:1px solid var(--line);border-radius:12px;padding:1.4rem;background:var(--card)}.eyebrow{margin:0;font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}h1{margin:.4rem 0 .6rem;font-size:clamp(1.5rem,4vw,2.2rem);line-height:1.15}h2{margin:0 0 .5rem;font-size:clamp(1.1rem,2.2vw,1.4rem)}h3{margin:0 0 .4rem;font-size:clamp(1rem,1.8vw,1.15rem)}p{margin-top:0;color:var(--muted)}.exhibit{border:1px solid var(--line);border-radius:12px;padding:1.4rem;background:var(--card)}.theme-toggle{position:absolute;top:.5rem;right:.5rem;width:2.75rem;height:2.75rem;min-height:2.75rem;border-radius:50%;border:1px solid var(--line);background:var(--surface-1);color:var(--ink);cursor:pointer;z-index:10;display:inline-flex;align-items:center;justify-content:center;font-size:1.1rem;padding:0}.theme-toggle:hover{background:var(--surface-2)}.controls-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin:.5rem 0}label{display:grid;gap:.3rem;font-size:.9rem;color:var(--muted)}input,button{font:inherit}input{min-height:2.75rem;border-radius:10px;border:1px solid var(--line);background:var(--surface-1);color:var(--ink);padding:.5rem .65rem;width:100%}.button-row{margin:.8rem 0;display:flex;gap:.6rem;flex-wrap:wrap}button{min-height:2.75rem;min-width:2.75rem;border-radius:10px;border:1px solid var(--line);background:var(--surface-1);color:var(--ink);padding:.5rem .85rem;cursor:pointer;font-weight:600}button:hover{background:var(--surface-2)}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;overflow-wrap:anywhere;word-break:break-all;color:var(--brand-soft)}.envelope{border:1px dashed var(--line);border-radius:10px;padding:.8rem;background:var(--surface-1);transition:transform .18s ease}.envelope.sealed{transform:scale(.99)}.envelope.opened{transform:scale(1)}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:10px;margin-top:.5rem}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid var(--line);padding:.5rem;text-align:left;font-size:.9rem}th{color:var(--brand-soft);font-weight:600}.result-status{padding:.5rem .75rem;border-radius:8px;margin:.5rem 0}.result-status[data-status=success]{background:#1452334d;border-left:3px solid var(--ok)}.result-status[data-status=pending]{background:var(--surface-1);border-left:3px solid var(--line)}.map-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.7rem}.map-card{border:1px solid var(--line);border-radius:10px;padding:.8rem;text-decoration:none;color:inherit;background:var(--surface-1);min-height:2.75rem;transition:background .15s ease,border-color .15s ease}.map-card:hover{background:var(--surface-2);border-color:var(--brand)}.map-card h3{color:var(--brand-soft)}.map-card p{font-size:.88rem}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media(max-width:720px){.shell{width:100%;padding:0 .75rem;margin-top:.75rem}.hero,.exhibit{padding:1rem;border-radius:10px}.controls-grid{grid-template-columns:1fr}.button-row{flex-direction:column}.button-row button{width:100%}.map-grid{grid-template-columns:1fr}th,td{padding:.4rem .35rem;font-size:.82rem}.theme-toggle{top:.6rem;right:.6rem}}@media(max-width:400px){.shell{padding:0 .5rem}h1{font-size:1.3rem}.hero,.exhibit{padding:.8rem}}