:root{color-scheme:light dark;--bg: #f3f6fa;--surface: #ffffff;--surface-2: #edf2f8;--border: #dce3eb;--border-strong: #bfcbd9;--row-border: #e5eaf1;--text: #243444;--muted: #617184;--primary: #245da8;--primary-text: #ffffff;--primary-soft: #e9f1ff;--primary-soft-text: #2359a1;--success-bg: #eef9f3;--success-text: #17623e;--success-border: #bce1cb;--warn-bg: #fff7e9;--warn-text: #805008;--warn-border: #eed29e;--error-bg: #fff1ee;--error-text: #a43220;--error-border: #efc1b8;--rack-empty: #f4f7fb;--rack-occupied: #e9f1ff;--rack-full: #dce9fb;--rack-mixed: #fff1d8;--rack-mixed-border: #d8ac5b;--selected-row: #edf4ff;--radius: 10px}@media (prefers-color-scheme: dark){:root{--bg: #131c28;--surface: #1d2836;--surface-2: #2c394c;--border: #344152;--border-strong: #516073;--row-border: #344152;--text: #e3eaf2;--muted: #a5b3c4;--primary: #83b4f8;--primary-text: #122139;--primary-soft: #283f5e;--primary-soft-text: #9dc5ff;--success-bg: #173528;--success-text: #8bdbb4;--success-border: #2b5a43;--warn-bg: #392d20;--warn-text: #edbd76;--warn-border: #8d6733;--error-bg: #3c2220;--error-text: #f2a597;--error-border: #7d3a30;--rack-empty: #1c2b3e;--rack-occupied: #29476c;--rack-full: #3d6290;--rack-mixed: #765222;--rack-mixed-border: #dcad5e;--selected-row: #23354d}}*{box-sizing:border-box}body{margin:0;font:14px/1.5 Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary)}h1{font-size:24px;margin:0}h2{font-size:16px;margin:0 0 10px}h3{font-size:14px;margin:0 0 8px}p{margin:6px 0 14px}.muted{color:var(--muted)}.note,.sub{font-size:12px;color:var(--muted)}.center{text-align:center;padding:40px}.mono{font-family:Consolas,monospace}input,select,textarea{font:inherit;color:inherit;background:var(--surface);border:1px solid var(--border-strong);border-radius:6px;padding:9px 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