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(min-width:1280px){.fc-stage{max-width:820px}}.fc-card-wrapper{width:100%;height:100%;min-height:0}.fc-card{cursor:pointer;border-radius:var(--radius-lg);outline:none;width:100%;height:100%;min-height:0;position:relative}.fc-card:focus-visible{box-shadow:0 0 0 3px var(--accent-soft), 0 0 0 4px var(--accent)}.fc-face-slot{backface-visibility:hidden;border-radius:var(--radius-lg);position:absolute;inset:0;overflow:hidden}.fc-face-slot--back{transform:rotateY(180deg)}.fc-face{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);flex-direction:column;width:100%;height:100%;transition:box-shadow .3s,border-color .3s;display:flex;position:relative;box-shadow:0 1px 2px #0f1b3d0a,0 16px 48px -12px #0f1b3d1f}[data-theme=dark] .fc-face{box-shadow:0 1px 2px #0006,0 20px 40px -12px #0000008c}.fc-face-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:20px 28px 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code{font-family:var(--font-mono);background:var(--surface-raised);color:var(--accent-ink);border:1px solid var(--border);border-radius:4px;padding:1px 5px;font-size:.88em}.fc-qa-text--answer pre{background:var(--surface-raised);border:1px solid var(--border);border-radius:8px;padding:12px 14px;overflow-x:auto}.fc-qa-text--answer pre code{color:var(--ink);background:0 0;border:none;padding:0;font-size:.86rem}.fc-qa-text--answer strong{color:var(--ink);font-weight:600}.fc-answer-blurred-wrap{position:relative}.fc-answer-blurred{filter:blur(6px);opacity:.6;pointer-events:none;-webkit-user-select:none;user-select:none}.fc-locked-pill{background:var(--surface-raised);border:1px dashed var(--border-strong);color:var(--ink-secondary);border-radius:10px;flex-direction:column;align-items:flex-start;gap:6px;padding:14px 16px;font-size:.92rem;line-height:1.5;display:flex}.fc-locked-pill strong{font-family:var(--font-heading);color:var(--ink);font-size:.96rem;font-weight:700}.fc-locked-cta{font-family:var(--font-heading);color:#fff;background:var(--accent-solid);border-radius:6px;align-self:flex-start;align-items:center;margin-top:4px;padding:6px 12px;font-size:.84rem;font-weight:600;text-decoration:none;transition:background .15s;display:inline-flex}.fc-locked-cta:hover{background:var(--accent-solid-hover)}.fc-face-footer{border-top:1px solid var(--border);font-family:var(--font-body);color:var(--ink-muted);justify-content:center;align-items:center;gap:8px;padding:14px 28px;font-size:.82rem;display:flex}.fc-face-footer--grade-hint{background:var(--surface-raised)}.fc-hint-text{white-space:nowrap}.fc-hint-dismiss{font-family:var(--font-body);color:var(--ink-secondary);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:4px;margin-left:8px;padding:4px 10px;font-size:.76rem;font-weight:600;transition:color 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12px;font-size:.78rem;bottom:12px;left:12px}}.fc-kbd{min-width:22px;height:22px;font-family:var(--font-mono);color:var(--ink);background:var(--surface);border:1px solid var(--border-strong);box-shadow:0 1px 0 var(--border-strong), inset 0 -1px 0 var(--surface-raised);border-radius:5px;justify-content:center;align-items:center;padding:0 6px;font-size:.72rem;font-weight:600;display:inline-flex}.fc-grades{grid-template-columns:repeat(4,1fr);gap:10px;width:100%;max-width:760px;transition:opacity .18s;display:grid}@media (min-width:1280px){.fc-grades{max-width:820px}}.fc-grades--dimmed{opacity:.42}.fc-grades--dimmed .fc-grade-btn{cursor:default}.fc-grade-btn{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);min-height:78px;font-family:var(--font-heading);color:var(--ink);cursor:pointer;touch-action:manipulation;flex-direction:column;align-items:center;gap:4px;padding:12px 14px;transition:transform .15s,background .15s,color .15s,border-color 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var(--border);cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:7px 12px;font-size:.82rem;font-weight:500;transition:color .15s,background .15s,border-color .15s;display:inline-flex}.fc-footer-btn:hover{color:var(--ink);background:var(--surface-hover);border-color:var(--border-strong)}.fc-footer-btn:disabled{opacity:.45;cursor:not-allowed}.fc-footer-btn--ghost{background:0 0;border-color:#0000}.fc-footer-hint{font-family:var(--font-mono);color:var(--ink-muted);margin-left:auto;font-size:.72rem}.fc-shortcut-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.fc-shortcut-row{color:var(--ink);border-bottom:1px dashed var(--border);align-items:center;gap:14px;padding:7px 2px;font-size:.88rem;display:flex}.fc-shortcut-row:last-child{border-bottom:none}.fc-shortcut-keys{gap:4px;min-width:90px;display:inline-flex}.fc-shortcut-label{color:var(--ink-secondary)}.fc-date-input{width:100%;font-family:var(--font-body);color:var(--ink);background:var(--surface-raised);border:1px solid var(--border);border-radius:8px;outline:none;padding:10px 12px;font-size:.95rem}.fc-date-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.fc-end{-webkit-overflow-scrolling:touch;flex:auto;justify-content:safe center;align-items:safe center;min-height:0;padding:24px 20px;display:flex;position:relative;overflow-y:auto}.fc-end-backdrop{pointer-events:none;opacity:.65;position:absolute;inset:0}.fc-end-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);text-align:center;flex-direction:column;align-items:center;width:100%;max-width:520px;padding:36px 28px 32px;display:flex;position:relative;box-shadow:0 1px 2px #0f1b3d0a,0 20px 60px -16px #0f1b3d33}[data-theme=dark] .fc-end-card{box-shadow:0 1px 2px #0006,0 24px 60px -14px #0000008c}.fc-end-mascot{position:absolute;top:14px;right:14px}.fc-end-ring-wrap{width:160px;height:160px;margin-bottom:18px;position:relative}.fc-end-ring{width:100%;height:100%}.fc-end-ring-label{flex-direction:column;justify-content:center;align-items:center;gap:2px;display:flex;position:absolute;inset:0}.fc-end-pct{font-family:var(--font-heading);color:var(--ink);font-size:2.4rem;font-weight:700;line-height:1}.fc-end-ring-caption{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.1em;color:var(--ink-muted);font-size:.75rem}.fc-end-head{margin-bottom:18px}.fc-end-title{font-family:var(--font-heading);color:var(--ink);margin:0 0 4px;font-size:1.4rem;font-weight:700}.fc-end-subtitle{color:var(--ink-muted);margin:0;font-size:.95rem}.fc-end-stats{border-top:1px solid var(--border);border-bottom:1px solid 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16px}.fc-end-weak-head{justify-content:space-between;align-items:baseline;margin-bottom:8px;display:flex}.fc-end-weak-title{font-family:var(--font-heading);color:var(--ink);letter-spacing:.02em;font-size:.86rem;font-weight:700}.fc-end-weak-count{font-family:var(--font-mono);color:var(--amber-ink);font-size:.72rem;font-weight:600}.fc-end-weak-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.fc-end-weak-item{color:var(--ink-secondary);align-items:baseline;gap:8px;font-size:.86rem;line-height:1.4;display:flex}.fc-end-weak-cat{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.04em;color:var(--ink-muted);background:var(--surface);border:1px solid var(--border);border-radius:4px;flex-shrink:0;padding:1px 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strong{color:var(--ink);font-family:var(--font-heading);font-size:.95rem;font-weight:700;line-height:1.2}.fc-setup-sub-icon{object-fit:contain;border-radius:6px;flex-shrink:0;width:24px;height:24px}.fc-setup-context-count{color:var(--ink-muted);white-space:nowrap;font-size:.8rem;font-weight:500}.fc-setup-groups{flex-direction:column;gap:16px;display:flex}.fc-setup-row{flex-direction:column;gap:8px;display:flex}.fc-setup-row-label{color:var(--ink);letter-spacing:0;flex-wrap:wrap;align-items:baseline;gap:4px 8px;font-size:.8rem;font-weight:600;display:flex}.fc-setup-row-hint{color:var(--ink-muted);font-size:.75rem;font-weight:400;line-height:1.3}.fc-setup-chips{flex-wrap:wrap;gap:6px;display:flex}.fc-setup-chip{background:var(--surface-raised);border:1px solid var(--border);min-height:32px;color:var(--ink-secondary);cursor:pointer;font-family:var(--font-body);white-space:nowrap;border-radius:999px;flex:0 auto;padding:6px 12px;font-size:.82rem;font-weight:500;transition:background .14s,border-color .14s,color .14s}.fc-setup-chip:hover{border-color:var(--border-strong);background:var(--surface-hover);color:var(--ink)}.fc-setup-chip.is-active{background:var(--accent-solid);border-color:var(--accent-solid);color:#fff;font-weight:600}.fc-setup-chip.is-disabled,.fc-setup-chip:disabled{opacity:.4;cursor:not-allowed;color:var(--ink-faint);background:0 0}.fc-setup-chip.is-disabled:hover,.fc-setup-chip:disabled:hover{border-color:var(--border);color:var(--ink-faint);background:0 0}.fc-setup-chip.is-locked{cursor:pointer;border-style:dashed;align-items:center;gap:6px;display:inline-flex}.fc-setup-chip.is-locked:hover{color:var(--ink);background:#fef3c799;background:lab(95.8996% -1.21173 22.7144/.6);border-color:#f59e0b}[data-theme=dark] .fc-setup-chip.is-locked:hover{color:var(--ink);background:#f59e0b1f}.fc-setup-chip-badge{color:#92400e;letter-spacing:.03em;background:#fef3c7;border-radius:999px;align-items:center;gap:3px;padding:1px 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