:root{--paper: #efebe3;--paper-raised: #f7f4ee;--ink: #1b1a17;--ink-soft: #2a2824;--bronze: #8a6a3a;--bronze-line: #d9cfb8;--amber: #c98a2c;--amber-deep: #a36c1c;--verified: #2e7d4f;--mismatch: #b23b3b;--serif: "Source Serif 4", Georgia, serif;--sans: "Inter", -apple-system, system-ui, sans-serif;--mono: "IBM Plex Mono", ui-monospace, monospace;--radius: 14px;--radius-sm: 8px}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit}.app-shell{max-width:920px;margin:0 auto;padding:0 20px 64px}.register-strip{display:flex;align-items:center;justify-content:space-between;padding:22px 0 18px;border-bottom:1px solid var(--bronze-line);margin-bottom:36px}.wordmark{font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:.01em;display:flex;align-items:center;gap:10px}.wordmark .seal{width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--amber);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px}.nav-links{display:flex;gap:4px}.nav-links a{text-decoration:none;font-size:14.5px;color:var(--bronze);padding:7px 13px;border-radius:20px;transition:color .15s ease,background .15s ease}.nav-links a:hover{color:var(--ink)}.nav-links a.active{color:var(--ink);background:var(--paper-raised);box-shadow:inset 0 0 0 1px var(--bronze-line)}.hero{padding:8px 0 40px}.hero h1{font-family:var(--serif);font-size:clamp(32px,5vw,46px);line-height:1.12;margin:0 0 18px;max-width:13ch;font-weight:500}.hero p{font-size:16.5px;line-height:1.6;color:var(--ink-soft);max-width:52ch;margin:0 0 28px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn{font-family:var(--sans);font-size:14.5px;font-weight:600;padding:11px 20px;border-radius:10px;border:none;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:transform .12s ease,opacity .12s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--ink);color:var(--paper-raised)}.btn-primary:hover{opacity:.88}.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--bronze-line)}.btn-ghost:hover{box-shadow:inset 0 0 0 1px var(--bronze)}.btn:disabled{opacity:.45;cursor:not-allowed}.flow-row{display:flex;align-items:center;gap:0;flex-wrap:wrap;padding:26px 0 6px;border-top:1px solid var(--bronze-line)}.flow-step{display:flex;align-items:center;gap:10px;padding:10px 0}.flow-step .num{font-family:var(--mono);font-size:12px;color:var(--amber-deep);width:22px;height:22px;border-radius:50%;border:1px solid var(--amber-deep);display:flex;align-items:center;justify-content:center;flex-shrink:0}.flow-step span.label{font-size:14px;color:var(--ink-soft)}.flow-arrow{color:var(--bronze-line);margin:0 14px;font-size:15px}.card{background:var(--paper-raised);border-radius:var(--radius);box-shadow:inset 0 0 0 1px var(--bronze-line);padding:22px}.card+.card{margin-top:14px}.card-title{font-family:var(--serif);font-size:19px;margin:0 0 4px}.card-sub{font-size:13.5px;color:var(--bronze);margin:0 0 18px}.dropzone{border:1.5px dashed var(--bronze-line);border-radius:var(--radius);padding:44px 24px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease}.dropzone:hover,.dropzone.drag{border-color:var(--amber);background:#f4ecd9}.dropzone input{display:none}.dropzone .hint{font-size:13px;color:var(--bronze);margin-top:6px}.file-row{display:flex;align-items:center;justify-content:space-between;padding:13px 16px;border-radius:var(--radius-sm);background:var(--paper);box-shadow:inset 0 0 0 1px var(--bronze-line)}.file-row .name{font-size:14px;font-weight:500}.file-row .meta{font-size:12.5px;color:var(--bronze)}.chip-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.chip{font-size:13px;padding:7px 14px;border-radius:20px;background:var(--paper);box-shadow:inset 0 0 0 1px var(--bronze-line);cursor:pointer;color:var(--ink-soft)}.chip.active{background:var(--ink);color:var(--amber);box-shadow:none}.field{margin-top:16px}.field label{display:block;font-size:12.5px;color:var(--bronze);margin-bottom:6px}.field input,.field select{width:100%;font-family:var(--sans);font-size:14.5px;padding:11px 13px;border-radius:var(--radius-sm);border:none;background:var(--paper);box-shadow:inset 0 0 0 1px var(--bronze-line);color:var(--ink)}.field input:focus,.field select:focus,.dropzone:focus-visible,.btn:focus-visible,.chip:focus-visible{outline:2px solid var(--amber-deep);outline-offset:1px}.hash{font-family:var(--mono);font-size:13px;word-break:break-all;color:var(--ink-soft)}.seal-card{background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:26px}.seal-card .verdict-label{font-size:13px;color:#b9b2a0;margin:0 0 4px}.seal-card .verdict{font-family:var(--serif);font-size:26px;margin:0 0 14px;display:flex;align-items:center;gap:10px}.verdict-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.verdict-dot.ok{background:#4ade80}.verdict-dot.bad{background:#f87171}.verdict-dot.pending{background:var(--amber)}.seal-card .row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13.5px}.seal-card .row span:first-child{color:#9b9484}.seal-card .row span:last-child{font-family:var(--mono);font-size:12.5px;text-align:right}.lineage{position:relative;padding-left:28px}.lineage:before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:var(--bronze-line)}.lineage-item{position:relative;padding-bottom:22px}.lineage-item:last-child{padding-bottom:0}.lineage-item:before{content:"";position:absolute;left:-28px;top:4px;width:15px;height:15px;border-radius:50%;background:var(--paper-raised);box-shadow:inset 0 0 0 2px var(--amber-deep)}.lineage-item.origin:before{box-shadow:inset 0 0 0 2px var(--ink);background:var(--amber)}.lineage-op{font-weight:600;font-size:14.5px}.lineage-meta{font-size:12.5px;color:var(--bronze);margin-top:2px}.badge{font-size:12px;font-weight:600;padding:4px 10px;border-radius:20px}.badge.verified{background:#e3efe6;color:var(--verified)}.badge.mismatch{background:#f7e6e6;color:var(--mismatch)}.badge.pending{background:#f3e6cd;color:var(--amber-deep)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media (max-width: 680px){.grid-2{grid-template-columns:1fr}.register-strip{flex-direction:column;align-items:flex-start;gap:14px}.nav-links{flex-wrap:wrap}}.muted{color:var(--bronze)}.center-note{text-align:center;font-size:13.5px;color:var(--bronze);padding:30px 0}.spinner{width:15px;height:15px;border-radius:50%;border:2px solid rgba(255,255,255,.3);border-top-color:var(--amber);animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.register-page{max-width:486px;margin:0 auto}.register-page>section:first-child{padding:0 0 10px!important}.register-page>section:first-child h1{font-size:21px!important;margin-bottom:4px!important}.register-page>section:first-child p{font-size:11px!important;line-height:1.35}.register-page .card{padding:12px;border-radius:8px}.register-page .card+.card{margin-top:8px}.register-page .btn{font-size:10px;padding:6px 11px;border-radius:6px}.register-page .hint{color:var(--bronze);font-size:10px;line-height:1.35}.register-page .card>strong{font-size:10px}.register-page .card>.hint{margin:1px 0 0}.register-page .detail-row{display:flex;align-items:center;justify-content:space-between;min-height:21px;padding:4px 0;border-top:1px solid rgba(255,255,255,.1);font-size:9px}.register-page .detail-row span{color:#9b9484}.register-page .detail-row strong{max-width:68%;overflow:hidden;font-family:var(--mono);font-size:8px;font-weight:400;text-align:right;text-overflow:ellipsis;white-space:nowrap}.register-page .chips{display:flex;gap:6px;margin-top:8px}.register-page .chip{font-size:9px;padding:4px 9px;border-radius:12px}.register-page section[style*="background: #1c1b18"]{padding:12px!important;border-radius:8px}.register-page section[style*="background: #1c1b18"] h2{font-size:16px!important;margin-bottom:10px!important}.register-page section[style*="background: #1c1b18"] p{font-size:9px!important}.register-page h3{font-family:var(--sans);font-size:11px;font-weight:600;margin-bottom:3px}.register-page .card>.card{background:var(--paper)!important;font-size:9px;padding:7px 9px!important}@media (max-width: 540px){.register-page{max-width:none}}