:root{--bg: #f5f6f8;--card: #ffffff;--text: #1a2233;--muted: #6b7486;--border: #e3e6ec;--accent: #2456c9;--accent-hover: #1c47a8;--ok-bg: #e5f5ec;--ok-text: #1a7f4b;--dup-bg: #fdf1dc;--dup-text: #9a6408;--err-bg: #fdeaea;--err-text: #b3312f;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}.shell{max-width:680px;margin:0 auto;padding:40px 20px 80px}.shell.wide{max-width:1000px}.page-head{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:24px}.brand{font-size:15px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--accent)}.link-context{font-size:15px;font-weight:600}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;margin-bottom:20px;box-shadow:0 1px 3px #141e3c0d}.center-card{margin-top:12vh;text-align:center}.center-card h1{margin-bottom:10px}h1{font-size:24px}h2{font-size:19px;margin-bottom:12px}.muted{color:var(--muted)}.small-text{font-size:12px}.mono{font-family:ui-monospace,Consolas,monospace}.error-text{color:var(--err-text);margin:8px 0;font-size:14px}.notes{background:var(--bg);border-radius:8px;padding:10px 14px;margin-bottom:14px;font-size:14px}.field{display:block;margin-bottom:16px;text-align:left}.field span{display:block;font-size:13px;font-weight:600;margin-bottom:5px;color:var(--muted)}.field input,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font:inherit;background:#fff}.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #2456c91f}.form-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:16px}@media (max-width: 640px){.form-grid{grid-template-columns:1fr}}.btn{font:inherit;font-weight:600;padding:9px 18px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;transition:background .12s,border-color .12s}.btn:hover{background:var(--bg)}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover{background:var(--accent-hover)}.btn.primary:disabled{opacity:.55;cursor:default}.btn.small{padding:5px 12px;font-size:13px}.btn.danger{color:var(--err-text)}.btn-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap}.tabs{display:flex;gap:4px}.tabs button{font:inherit;font-weight:600;font-size:14px;border:none;background:none;padding:6px 14px;border-radius:8px;color:var(--muted);cursor:pointer}.tabs button.active{background:#fff;color:var(--accent);border:1px solid var(--border)}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:36px 20px;text-align:center;transition:border-color .15s,background .15s;margin-bottom:18px}.dropzone.over{border-color:var(--accent);background:#2456c90a}.dropzone p{margin-bottom:6px}.file-list{list-style:none;border-top:1px solid var(--border)}.file-row{display:flex;align-items:center;gap:12px;padding:9px 4px;border-bottom:1px solid var(--border);font-size:14px}.file-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-size{flex-shrink:0;width:70px;text-align:right;font-size:13px}.file-status{flex-shrink:0;width:130px;text-align:right}.progress{display:inline-block;width:110px;height:8px;border-radius:4px;background:var(--border);overflow:hidden;vertical-align:middle}.progress .bar{display:block;height:100%;background:var(--accent);transition:width .15s}.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 10px;border-radius:99px;background:var(--bg);color:var(--muted)}.pill.ok{background:var(--ok-bg);color:var(--ok-text)}.pill.dup{background:var(--dup-bg);color:var(--dup-text)}.pill.err{background:var(--err-bg);color:var(--err-text)}.upload-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-top:16px;font-size:14px}.dup-panel{background:var(--dup-bg);border-radius:8px;padding:14px 18px;margin:14px 0;font-size:14px}.dup-panel ul{margin:8px 0 0 18px}.table{width:100%;border-collapse:collapse;font-size:14px}.table th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);padding:8px 10px;border-bottom:1px solid var(--border)}.table td{padding:10px;border-bottom:1px solid var(--border);vertical-align:top}.table.clickable tbody tr{cursor:pointer}.table.clickable tbody tr:hover{background:var(--bg)}.muted-row{opacity:.55}