:root{color-scheme:dark;--bg:#101c27;--panel:#1a2b37;--panel-hi:#243b49;--line:#39515d;--text:#e6eeed;--muted:#a2b7c1;--teal:#8bdbcc;--orange:#ecad83;--gold:#e0c28e;--danger:#efa68f;font-family:Apple SD Gothic Neo,Malgun Gothic,Arial,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 30% 0,#263b48 0,transparent 65%),var(--bg);min-height:100vh}button,input{font:inherit}button{cursor:pointer;color:inherit;border:1px solid var(--line);background:var(--panel);border-radius:6px;min-height:44px;padding:10px 14px;transition:background .15s,border-color .15s,transform .15s}button:hover:not(:disabled){background:var(--panel-hi);border-color:#78969f}button:active:not(:disabled){transform:translateY(1px)}button:disabled{cursor:not-allowed;opacity:.42}button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}input{color:var(--text);background:#12232f;border:1px solid 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