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#c1444340}.btn-primary:active{box-shadow:0 1px 4px #c1444333}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-outline:active{background:var(--primary-bg)}.btn-block{width:100%;padding:14px;font-size:16px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:16px;margin-bottom:12px;transition:box-shadow .2s ease}.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600;letter-spacing:.3px}.tag-primary{background:var(--primary-bg);color:var(--primary)}.tag-gold{background:var(--gold-bg);color:var(--gold)}.tag-green{background:var(--success-bg);color:var(--success)}.page-header{padding:16px;font-size:22px;font-weight:800;color:var(--text);letter-spacing:-.3px}.progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-bar .fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-light));border-radius:4px;transition:width .5s ease}.option-btn{width:100%;padding:14px 16px;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:16px;text-align:left;cursor:pointer;transition:all .2s ease;margin-bottom:10px;-webkit-tap-highlight-color:transparent}.option-btn:active{transform:scale(.98);border-color:var(--primary)}.option-btn.correct{border-color:var(--success);background:var(--success-bg);color:var(--success);box-shadow:0 0 0 1px var(--success)}.option-btn.wrong{border-color:var(--error);background:var(--error-bg);color:var(--error);box-shadow:0 0 0 1px var(--error)}.search-box{display:flex;align-items:center;background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;margin:0 16px 12px;transition:border-color .2s}.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px 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