:root{--bg: #13151a;--panel: #1d2026;--panel2: #23272f;--line: #2e333d;--text: #e6e8ec;--muted: #9aa3b2;--accent: #4ea1ff;--accent2: #2bd4a7;--warn: #ffb454;--danger: #ff6b6b}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}main{max-width:900px;margin:0 auto;padding:18px}header{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:16px}header h1{font-size:18px;margin:0;font-weight:650}header h1 span{color:var(--muted);font-weight:400;font-size:12px;margin-left:6px}header a{margin-left:auto;color:var(--accent);font-size:13px;text-decoration:none}header a:hover{text-decoration:underline}.lede{color:var(--muted);font-size:13px;margin:0 0 16px}.dropzone{display:flex;flex-direction:column;gap:6px;align-items:center;border:2px dashed var(--line);border-radius:10px;padding:36px 18px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone.dragging{border-color:var(--accent);background:#172030}.dropzone strong{font-size:15px;font-weight:600}.dropzone span{color:var(--muted);font-size:12px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px;margin-top:16px}.panel-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.panel h2{font-size:14px;margin:0;font-weight:600}.panel h2 em{color:var(--muted);font-style:normal;font-weight:400;margin-left:8px;font-size:12px}.actions{margin-left:auto;display:flex;gap:8px}button{background:var(--panel2);color:var(--text);border:1px solid var(--line);border-radius:6px;padding:6px 12px;font-size:12px;cursor:pointer}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:#08111c;font-weight:600}.meshlist{list-style:none;margin:12px 0 0;padding:0;max-height:280px;overflow-y:auto}.meshlist li{display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:5px;font-size:12px}.meshlist li+li{margin-top:2px}.meshlist li.ok{background:#16241f}.meshlist li.missing{background:#2a1e1e}.meshlist .mark{width:14px;text-align:center;font-weight:700}.meshlist li.ok .mark{color:var(--accent2)}.meshlist li.missing .mark{color:var(--danger)}.meshlist code{color:var(--text)}.meshlist small{margin-left:auto;color:var(--muted)}.options{display:flex;flex-direction:column;gap:12px}.options label{font-size:13px;display:flex;flex-direction:column;gap:5px}.options label.check{flex-direction:row;align-items:center;gap:8px;color:var(--muted)}.options input[type=text]{background:var(--panel2);border:1px solid var(--line);border-radius:6px;color:var(--text);padding:7px 10px;font-size:13px}.options .primary{align-self:flex-start;padding:8px 18px;font-size:13px}.status{color:var(--muted);font-size:13px;margin-top:16px}.status small{font-size:11px}.warn{color:var(--warn);font-size:12px;margin:10px 0 0}.panel.error{border-color:var(--danger)}.panel.error h2{color:var(--danger)}pre{background:#0e1015;border:1px solid var(--line);border-radius:6px;padding:10px;overflow-x:auto;font-size:11px;line-height:1.5;color:var(--muted);white-space:pre-wrap;word-break:break-word}.preview{max-height:340px;overflow-y:auto;margin-top:12px}