:root{--bg:#0f1115;--fg:#e8e8ea;--accent:#5b8cff;--slot:56px}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.app{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.settings-panel{flex-direction:column;gap:12px;width:360px;display:flex}.settings-panel h1{margin:0}.subtitle{opacity:.6;margin:0 0 8px}.field{justify-content:space-between;align-items:center;gap:12px;display:flex}.field input,.field select{width:160px;color:var(--fg);background:#1b1e26;border:1px solid #2c3140;border-radius:6px;padding:6px 8px}.primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:8px;margin-top:8px;padding:10px 16px;font-size:16px}.hint{opacity:.6;font-size:13px}.navon-figure{grid-template-columns:repeat(5, var(--slot));grid-template-rows:repeat(5, var(--slot));display:grid}.navon-slot{justify-content:center;align-items:center;display:flex}.navon-cell.letter{font-size:28px;font-weight:700;line-height:1}.navon-cell.shape{background:var(--fg);width:20px;height:20px}.shape-square{border-radius:2px}.shape-circle{border-radius:50%}.shape-triangle{border-left:12px solid #0000;border-right:12px solid #0000;border-bottom:22px solid var(--fg);background:0 0;width:0;height:0}.mask-cell{background:#8a8f9c;width:26px;height:26px}.trial-runner{flex-direction:column;align-items:center;gap:24px;width:100%;display:flex}.progress{opacity:.5}.stage{justify-content:center;align-items:center;min-height:360px;display:flex}.fixation{font-size:48px}.choice-stage{flex-direction:column;align-items:center;gap:32px;display:flex}.standard-holder{border-bottom:1px dashed #333;padding-bottom:8px}.choice-pair{gap:48px;display:flex}.choice{cursor:pointer;color:var(--fg);background:#1b1e26;border:2px solid #2c3140;border-radius:12px;flex-direction:column;align-items:center;gap:8px;padding:16px;display:flex}.choice:hover{border-color:var(--accent)}.key-hint{opacity:.5;font-size:13px}.results{text-align:center;width:360px}.rate-number{color:var(--accent);font-size:64px;font-weight:800}.rate-label{opacity:.6}.rate-bar{background:#1b1e26;border-radius:6px;height:10px;margin:12px 0;overflow:hidden}.rate-fill{background:var(--accent);height:100%}.interpretation{font-size:18px}.stats{opacity:.8;padding:0;list-style:none}