.flashpage[data-astro-cid-sm5z6wsv]{padding:clamp(40px,7vw,88px) 0 clamp(64px,8vw,110px)}.flashpage-head[data-astro-cid-sm5z6wsv]{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px}.flashpage-head[data-astro-cid-sm5z6wsv] h1[data-astro-cid-sm5z6wsv]{max-width:720px;font-family:var(--font-display);font-weight:540;font-size:clamp(2.1rem,5vw,3.6rem);line-height:1.06}.flashpage-head[data-astro-cid-sm5z6wsv] p[data-astro-cid-sm5z6wsv]{max-width:640px;margin:10px 0 0;line-height:1.6}.flashpage-links[data-astro-cid-sm5z6wsv]{display:flex;flex-wrap:wrap;gap:10px}.flash-scope[data-astro-cid-sm5z6wsv]{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}.topic-chip[data-astro-cid-sm5z6wsv]{min-height:36px;display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:999px;padding:0 12px;background:var(--paper);color:var(--muted);cursor:pointer;text-decoration:none;font-size:.84rem;font-weight:750}.topic-chip[data-astro-cid-sm5z6wsv] span[data-astro-cid-sm5z6wsv]{min-width:24px;min-height:24px;display:inline-grid;place-items:center;border-radius:999px;background:var(--surface);color:var(--accent-strong);font-size:.72rem}.topic-chip[data-astro-cid-sm5z6wsv]:hover,.topic-chip[data-astro-cid-sm5z6wsv].is-active{border-color:#111315;background:#ead8ff;color:#111315;box-shadow:0 2px #111315}.topic-dot[data-astro-cid-sm5z6wsv]{width:9px;height:9px;flex-shrink:0;display:inline-block;border-radius:999px;background:var(--topic-accent, var(--accent))}.flash-board[data-astro-cid-sm5z6wsv]{max-width:860px;padding:clamp(16px,3vw,26px)}.flash-board-head[data-astro-cid-sm5z6wsv]{display:grid;gap:10px;margin-bottom:16px}.flash-progress-track[data-astro-cid-sm5z6wsv]{height:8px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line);overflow:hidden}.flash-progress-track[data-astro-cid-sm5z6wsv] span[data-astro-cid-sm5z6wsv]{display:block;height:100%;width:0%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-strong));transition:width .3s ease}.flash-board-meta[data-astro-cid-sm5z6wsv]{display:flex;align-items:baseline;gap:14px;color:var(--muted);font-size:.84rem;font-weight:780}.flash-board-meta[data-astro-cid-sm5z6wsv] strong[data-astro-cid-sm5z6wsv]{color:var(--ink);font-size:.92rem}.flash-reset[data-astro-cid-sm5z6wsv]{margin-left:auto;border:0;padding:0;background:none;color:var(--muted);cursor:pointer;font-size:.8rem;font-weight:780;text-decoration:underline;text-underline-offset:3px}.flash-reset[data-astro-cid-sm5z6wsv]:hover{color:var(--danger)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-topic{color:var(--accent);font-size:.74rem;font-weight:850;text-transform:uppercase;letter-spacing:.06em}.flashcard-stage[data-astro-cid-sm5z6wsv] h3{margin:6px 0 14px;font-family:var(--font-display);font-weight:560;font-size:clamp(1.3rem,3vw,1.8rem);line-height:1.2}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-options{display:grid;gap:10px}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:1px solid var(--line);border-radius:12px;padding:10px 12px;background:var(--surface-2);color:var(--ink);cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .15s ease}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option:hover:not(:disabled){border-color:var(--accent);background:color-mix(in srgb,var(--accent-soft) 40%,var(--surface-2));transform:translateY(-1px)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option:disabled{cursor:default}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option.is-correct{border-color:var(--success);background:color-mix(in srgb,var(--success) 12%,var(--surface-2))}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option.is-incorrect{border-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface-2))}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option-key{flex-shrink:0;display:inline-grid;place-items:center;width:26px;height:26px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--muted);font-size:.78rem;font-weight:850}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option-math{min-width:0;overflow-x:auto;overflow-y:hidden}.flashcard-stage[data-astro-cid-sm5z6wsv] .katex-display{margin:0}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-option-math .katex{font-size:.95rem;color:var(--ink)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-hint{margin:12px 0 0;color:var(--muted);font-size:.8rem;font-weight:700}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-back{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:grid;gap:10px}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-verdict{margin:0;font-weight:850}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-verdict.good{color:var(--success)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-verdict.bad{color:var(--danger)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-answer-math{justify-self:start;max-width:100%;border:1px solid var(--line);border-radius:12px;padding:10px 16px;background:var(--surface-2);overflow-x:auto;overflow-y:hidden}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-answer-math .katex{font-size:1.18rem;color:var(--ink)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-intuition{margin:0;line-height:1.55}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-vars{margin:0;color:var(--muted);font-size:.84rem;line-height:1.5}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-chart{margin:4px 0 0;max-width:380px}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-chart svg{width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface-2)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-chart-axis{fill:none;stroke:var(--line-strong);stroke-width:1.5}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-chart-line{fill:none;stroke:var(--accent);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-chart-point{fill:#ead8ff;stroke:#111315;stroke-width:2.5}.flashcard-stage[data-astro-cid-sm5z6wsv] figcaption{margin-top:5px;color:var(--muted);font-size:.78rem;font-weight:720}.flashcard-stage[data-astro-cid-sm5z6wsv] .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-summary{display:grid;gap:12px}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-summary-score{margin:0;font-family:var(--font-display);font-weight:560;font-size:clamp(1.5rem,4vw,2.2rem)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-summary-score.good{color:var(--success)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-summary p{margin:0;line-height:1.55}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-missed{display:grid;gap:8px}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-missed h3{margin:4px 0 0;font-size:.95rem}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-missed-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;width:100%;text-align:left;border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:var(--surface-2);color:var(--ink);cursor:pointer;text-decoration:none}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-missed-row:hover{border-color:var(--accent)}.flashcard-stage[data-astro-cid-sm5z6wsv] .flash-missed-row span{color:var(--muted);font-size:.78rem;font-weight:750}@media(max-width:760px){.flashpage-head[data-astro-cid-sm5z6wsv]{flex-direction:column;align-items:stretch}.flash-board-meta[data-astro-cid-sm5z6wsv]{flex-wrap:wrap}}