:root{--bg:#1c1c1c;--panel:#212121f0;--panel-2:#2f2f2f;--surface:#212121;--surface-muted:#171717;--surface-hover:#3a3a3a;--line-strong:#ffffff2e;--shadow:#00000070;--accent-soft:#ffffff1f;--danger-soft:#ef444424;--line:#ffffff1a;--text:#ececec;--muted:#b4b4b4;--accent:#8e8e8e;--accent-2:#d4d4d4;--danger:#ff6b6b;--success:#d4d4d4}*{box-sizing:border-box}html,body{background:var(--bg);width:100%;height:100%;color:var(--text);margin:0;font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}button{border:1px solid var(--line);background:var(--panel-2);color:var(--text);cursor:pointer;border-radius:12px;padding:10px 12px;transition:transform .14s,border-color .14s,background .14s}button:hover{border-color:var(--line-strong);background:var(--surface-hover);transform:translateY(-1px)}button:disabled{cursor:not-allowed;opacity:.45;transform:none}input[type=number]{border:1px solid var(--line);background:var(--panel-2);width:90px;color:var(--text);border-radius:10px;padding:8px 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