*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}[hidden]{display:none!important}:root{--bg: #f2f4f8;--surface: #ffffff;--border: #e4e8ef;--text: #1a202c;--text-muted: #718096;--accent: #5a67d8;--accent-h: #4c56c0;--danger: #e53e3e;--danger-bg: #fff5f5;--radius: 10px;--shadow: 0 1px 4px rgba(0,0,0,.08), 0 0 0 1px rgba(0,0,0,.04);--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;min-height:100vh}.layout{max-width:1100px;margin:0 auto;padding:1.5rem 1rem 3rem}.site-header{margin-bottom:1.75rem}.site-brand{display:flex;align-items:center;gap:1rem}.site-logo{width:72px;height:72px;object-fit:contain;flex-shrink:0}.site-title{font-size:1.75rem;font-weight:800;letter-spacing:-.03em;color:var(--text)}.site-subtitle{color:var(--text-muted);font-size:.9rem;margin-top:.25rem}.upload-section{margin-bottom:1.25rem}.drop-zone{background:var(--surface);border:2px dashed var(--border);border-radius:var(--radius);padding:3rem 2rem;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;position:relative}.drop-zone:hover,.drop-zone:focus,.drop-zone.is-over{border-color:var(--accent);background:#f5f6ff;outline:none}.drop-zone__icon{font-size:2.5rem;margin-bottom:.75rem}.drop-zone__primary{font-size:1rem;color:var(--text);margin-bottom:.35rem}.drop-zone__secondary{font-size:.8rem;color:var(--text-muted)}.link{color:var(--accent);text-decoration:underline}.add-bar{display:flex;align-items:center;gap:.75rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.6rem 1rem;transition:border-color .15s,background .15s}.add-bar.is-over{border-color:var(--accent);background:#f5f6ff}.add-bar__label{font-size:.85rem;color:var(--text-muted)}.add-bar__sep{font-size:.8rem;color:var(--text-muted)}.divider{display:flex;align-items:center;gap:.75rem;margin:1rem 0;color:var(--text-muted);font-size:.85rem}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.url-row{display:flex;gap:.625rem}.url-input{flex:1;padding:.65rem .9rem;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-family:var(--font);background:var(--surface);color:var(--text);transition:border-color .15s,box-shadow .15s}.url-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #5a67d826}.btn{padding:.65rem 1.1rem;border:none;border-radius:var(--radius);font-size:.9rem;font-weight:600;cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}.btn--primary{background:var(--accent);color:#fff}.btn--primary:hover{background:var(--accent-h)}.btn--secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn--secondary:hover{background:var(--border)}.btn--ghost{background:transparent;color:var(--text-muted);padding-left:0}.btn--ghost:hover{color:var(--text)}.btn--sm{padding:.4rem .75rem;font-size:.82rem}.error-banner{background:var(--danger-bg);border:1px solid #fed7d7;color:var(--danger);border-radius:var(--radius);padding:.75rem 1rem;font-size:.875rem;margin-bottom:1rem}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}.spinner--sm{width:16px;height:16px}@keyframes spin{to{transform:rotate(360deg)}}.image-strip{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:.75rem 1rem;margin-bottom:1.25rem;position:sticky;top:0;z-index:10}.strip-header{display:flex;align-items:center;margin-bottom:.625rem}.strip-count{font-size:.8rem;color:var(--text-muted);font-weight:500}.strip-list{display:flex;gap:.625rem;overflow-x:auto;padding-bottom:.25rem}.strip-list::-webkit-scrollbar{height:4px}.strip-list::-webkit-scrollbar-track{background:transparent}.strip-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.strip-item{flex-shrink:0;width:88px;border-radius:8px;border:2px solid transparent;padding:3px;cursor:pointer;position:relative;transition:border-color .15s;background:var(--bg);outline-offset:2px}.strip-item:hover{border-color:var(--border)}.strip-item.is-selected{border-color:var(--accent)}.strip-thumb{width:80px;height:80px;object-fit:cover;border-radius:5px;display:block;background:var(--border)}.strip-thumb--loading{display:flex;align-items:center;justify-content:center;background:var(--bg)}.strip-name{display:block;font-size:.68rem;color:var(--text-muted);text-align:center;margin-top:.3rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.strip-remove{position:absolute;top:3px;right:3px;width:18px;height:18px;border-radius:50%;background:#0000008c;color:#fff;border:none;cursor:pointer;font-size:12px;line-height:1;display:none;align-items:center;justify-content:center;padding:0;z-index:1}.strip-item:hover .strip-remove{display:flex}.metadata-panel{width:100%}.meta-section{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1rem;overflow:hidden}.meta-section__header{display:flex;align-items:center;gap:.5rem;padding:.7rem 1rem;background:var(--bg);border-bottom:1px solid var(--border);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted)}.meta-section__count{margin-left:auto;background:var(--border);color:var(--text-muted);border-radius:20px;padding:0 .45rem;font-size:.7rem;line-height:1.6}.meta-table{width:100%;border-collapse:collapse}.meta-table tr+tr td{border-top:1px solid var(--border)}.meta-table td{padding:.55rem 1rem;font-size:.82rem;vertical-align:top}.meta-table .col-key{width:42%;color:var(--text-muted);font-weight:500}.meta-table .col-val{color:var(--text);word-break:break-word}.meta-table .col-val a{color:var(--accent);text-decoration:none}.meta-table .col-val a:hover{text-decoration:underline}.gps-val{display:flex;flex-direction:column;gap:.2rem}.no-meta{padding:2rem;text-align:center;color:var(--text-muted);font-size:.9rem;display:flex;align-items:center;gap:.5rem;justify-content:center}.tab-bar{display:flex;gap:.25rem;margin-bottom:1rem;padding-bottom:.75rem;border-bottom:2px solid var(--border)}.tab-btn{padding:.4rem 1rem;border:none;border-radius:var(--radius);font-size:.85rem;font-weight:600;cursor:pointer;background:transparent;color:var(--text-muted);font-family:var(--font);transition:background .15s,color .15s}.tab-btn:hover{background:var(--bg);color:var(--text)}.tab-btn.is-active{background:var(--accent);color:#fff}.info-content{padding-bottom:1rem}.info-intro{margin-bottom:1.25rem}.info-title{font-size:1.25rem;font-weight:700;margin-bottom:.5rem;color:var(--text)}.info-lead{color:var(--text-muted);font-size:.9rem;line-height:1.6;max-width:68ch}.format-tab-bar{display:flex;flex-wrap:wrap;gap:.35rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.format-tab-btn{padding:.32rem .8rem;border:1px solid var(--border);border-radius:20px;font-size:.82rem;font-weight:500;cursor:pointer;background:var(--surface);color:var(--text-muted);font-family:var(--font);transition:background .12s,border-color .12s,color .12s}.format-tab-btn:hover{background:#f5f6ff;border-color:var(--accent);color:var(--accent)}.format-tab-btn.is-active{background:var(--accent);border-color:var(--accent);color:#fff}.format-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:1.25rem;overflow:hidden}.format-card__header{display:flex;align-items:center;gap:.75rem;padding:.85rem 1rem;background:var(--bg);border-bottom:1px solid var(--border)}.format-name{font-size:1rem;font-weight:700;color:var(--text);line-height:1.2}.format-fullname{font-size:.78rem;color:var(--text-muted);margin-top:.1rem}.format-card__body{padding:1rem 1.1rem;display:flex;flex-direction:column;gap:1rem}.format-section__title{font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:.45rem}.format-history{font-size:.875rem;line-height:1.65;color:var(--text);max-width:80ch}.format-history a{color:var(--accent);text-decoration:none}.format-history a:hover{text-decoration:underline}.format-section--row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.format-list{list-style:none;font-size:.83rem;color:var(--text-muted);line-height:1.7}.format-list li:before{content:"·  ";color:var(--border)}.tool-link{display:inline-block;padding:.25rem .7rem;border:1px solid var(--border);border-radius:20px;font-size:.78rem;color:var(--accent);text-decoration:none;background:var(--surface);transition:background .12s,border-color .12s}.tool-link:hover{background:#f5f6ff;border-color:var(--accent)}.field-table{width:100%;border-collapse:collapse;font-size:.8rem}.field-table th{text-align:left;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);padding:.35rem .7rem;border-bottom:1px solid var(--border)}.field-table td{padding:.45rem .7rem;vertical-align:top;border-bottom:1px solid var(--border)}.field-table tr:last-child td{border-bottom:none}.field-name{width:32%;font-family:SF Mono,Menlo,Monaco,Consolas,monospace;font-size:.75rem;color:var(--text);font-weight:500;word-break:break-word}.field-desc{color:var(--text-muted);line-height:1.55}.field-detail{margin-top:.4rem;font-size:.78rem;line-height:1.6;color:var(--text-muted)}.field-links{display:flex;flex-wrap:wrap;gap:.3rem;margin-top:.45rem}.field-link{font-size:.75rem;color:var(--accent);text-decoration:none}.field-link:hover{text-decoration:underline}@media (max-width: 700px){.add-bar__sep{display:none}.format-section--row{grid-template-columns:1fr}.field-name{width:40%}}