:root{--bg: #0f1419;--panel: #1a2029;--panel2: #232b36;--line: #2e3947;--text: #e6edf3;--muted: #8b98a8;--accent: #4f9cf9;--ok: #3fb950;--warn: #d29922;--bad: #f85149;--chip: #2d3340}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Hiragino Sans,Noto Sans JP,sans-serif;background:var(--bg);color:var(--text);font-size:14px}button{font-family:inherit;cursor:pointer;border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:6px;padding:6px 12px;font-size:13px}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);border-color:var(--accent);color:#04101f;font-weight:600}button.ghost{background:transparent}button.icon{padding:2px 6px;font-size:12px;line-height:1;border-color:transparent}button.icon:hover{border-color:var(--line)}button.danger{background:var(--bad);border-color:var(--bad);color:#fff;font-weight:600}.confirm{margin-top:8px;padding:8px;background:var(--bg);border:1px solid 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