:root{--bg:#f4f6fa;--paper:#fff;--ink:#18263b;--muted:#5e6c80;--line:#dee5ee;--blue:#2457d6;--blue-dark:#1945b8;--pale:#eaf0ff;--danger:#ab273d;--radius:18px;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.5;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}a,button,input,label,select,textarea{-webkit-tap-highlight-color:transparent}.button,button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:1px solid var(--line);border-radius:12px;padding:11px 16px;background:var(--paper);color:var(--ink);font-weight:550;cursor:pointer;text-decoration:none;line-height:1.3;transition:background .15s}.button:hover,button:hover{background:#f0f3f9}button:disabled{opacity:.5;cursor:default}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid 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