:root{color-scheme:dark;--ink: #e8e8ea;--dim: #9a9aa6;--accent: #c8a24a;--panel: rgba(12, 12, 18, .82);--panel-solid: #14141c;--locked: #6a6a76}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:#07070b;color:var(--ink);font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans CJK JP,sans-serif}.boot-error{color:#f88;padding:24px;white-space:pre-wrap}.picker{max-width:560px;margin:0 auto;padding:64px 24px}.picker-title{font-size:32px;margin:0;letter-spacing:.04em}.picker-sub{color:var(--dim);margin:4px 0 32px}.picker-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.picker-row{display:flex;gap:8px;align-items:stretch}.picker-btn{flex:1;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;padding:16px 18px;font-size:17px;color:var(--ink);background:var(--panel-solid);border:1px solid #262630;border-radius:10px;cursor:pointer;transition:border-color .12s,background 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