.page-header[data-astro-cid-b5amm6ye]{margin-bottom:2rem}.header-badge[data-astro-cid-b5amm6ye]{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.1em;color:var(--amber);margin-bottom:.5rem}.lead[data-astro-cid-b5amm6ye]{color:var(--text-mid);font-size:1.05rem;max-width:820px;line-height:1.5}.mode-tabs[data-astro-cid-b5amm6ye]{display:flex;gap:.75rem;margin-bottom:1.5rem}.tab-btn[data-astro-cid-b5amm6ye]{background:var(--bg-card);border:1px solid var(--border);color:var(--text-mid);padding:.6rem 1.25rem;border-radius:6px;font-size:.9rem;font-weight:600;cursor:pointer;transition:all .15s ease}.tab-btn[data-astro-cid-b5amm6ye]:hover{color:var(--text);border-color:var(--text-dim)}.tab-btn[data-astro-cid-b5amm6ye].active{background:var(--bg-panel);border-color:var(--amber);color:var(--amber)}.quiz-card[data-astro-cid-b5amm6ye]{background:var(--bg-card);border:1px solid var(--border);border-radius:8px;padding:1.75rem;margin-bottom:2.5rem}.quiz-status-bar[data-astro-cid-b5amm6ye]{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-soft);padding-bottom:1rem;margin-bottom:1.5rem;gap:1.5rem}.progress-wrap[data-astro-cid-b5amm6ye]{display:flex;flex-direction:column;gap:.4rem;flex:1;max-width:300px}.q-counter[data-astro-cid-b5amm6ye]{font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--text-dim);letter-spacing:.05em}.progress-bar-track[data-astro-cid-b5amm6ye]{background:var(--bg-panel);height:6px;border-radius:3px;overflow:hidden}.progress-bar-fill[data-astro-cid-b5amm6ye]{background:var(--amber);height:100%;transition:width .3s ease}.score-wrap[data-astro-cid-b5amm6ye]{display:flex;align-items:center;gap:.5rem}.score-lbl[data-astro-cid-b5amm6ye]{font-size:.85rem;color:var(--text-dim)}.score-val[data-astro-cid-b5amm6ye]{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:1.4rem;font-weight:700;color:var(--amber)}.streak-badge[data-astro-cid-b5amm6ye]{font-size:.75rem;font-weight:700;padding:.2rem .5rem;border-radius:4px;background:var(--bg-panel);border:1px solid var(--border);color:var(--text-dim)}.streak-badge[data-astro-cid-b5amm6ye].streak-active{border-color:var(--green);color:var(--green);background:var(--green-dim)}.question-text[data-astro-cid-b5amm6ye]{font-size:1.3rem;line-height:1.4;margin-bottom:1.5rem;color:var(--text)}.options-grid[data-astro-cid-b5amm6ye]{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin-bottom:1.5rem}.option-btn[data-astro-cid-b5amm6ye]{background:var(--bg-panel);border:1px solid var(--border);color:var(--text);padding:1rem 1.25rem;border-radius:6px;font-size:1rem;font-weight:500;text-align:left;cursor:pointer;transition:all .15s ease}.option-btn[data-astro-cid-b5amm6ye]:hover{border-color:var(--amber);background:#f59e0b0d}.option-btn[data-astro-cid-b5amm6ye].correct{background:#10b98126!important;border-color:var(--green)!important;color:var(--green)!important;font-weight:700}.option-btn[data-astro-cid-b5amm6ye].incorrect{background:#ef444426!important;border-color:var(--red)!important;color:var(--red)!important}.explanation-box[data-astro-cid-b5amm6ye]{background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:6px;padding:1.25rem;margin-top:1.5rem}.exp-title[data-astro-cid-b5amm6ye]{font-size:.95rem;font-weight:700;margin-bottom:.5rem}.exp-text[data-astro-cid-b5amm6ye]{font-size:.95rem;color:var(--text-mid);line-height:1.5;margin-bottom:1.25rem}.btn-next[data-astro-cid-b5amm6ye]{background:var(--amber);color:#000;border:none;padding:.65rem 1.25rem;border-radius:4px;font-size:.9rem;font-weight:700;cursor:pointer;transition:opacity .15s ease}.btn-next[data-astro-cid-b5amm6ye]:hover{opacity:.9}.result-screen[data-astro-cid-b5amm6ye]{text-align:center;padding:2.5rem 1rem}.result-badge[data-astro-cid-b5amm6ye]{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.1em;color:var(--amber);margin-bottom:.5rem}.result-title[data-astro-cid-b5amm6ye]{font-size:1.8rem;margin-bottom:1rem}.result-score[data-astro-cid-b5amm6ye]{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:3.5rem;font-weight:900;color:var(--amber);margin-bottom:.5rem}.result-feedback[data-astro-cid-b5amm6ye]{font-size:1.1rem;color:var(--text-mid);margin-bottom:2rem}.btn-retry[data-astro-cid-b5amm6ye]{background:var(--amber);color:#000;border:none;padding:.75rem 2rem;border-radius:6px;font-size:1rem;font-weight:700;cursor:pointer}.btn-retry[data-astro-cid-b5amm6ye]:hover{opacity:.9}