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#1249361f;border-radius:28px;padding:28px;position:relative}.card:after{content:"";background:linear-gradient(90deg,#245943,#8ba485);border-radius:28px 28px 0 0;height:5px;position:absolute;inset:0 0 auto}.card__label,.answer__label{color:var(--accent);letter-spacing:.1em;text-transform:uppercase;margin:0;font-size:.86rem}.card__header h2{margin-top:10px;font-size:clamp(1.45rem,3vw,2.2rem);line-height:1.35}.card__actions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.primary-button,.ghost-button,.status-button{padding:12px 18px}.primary-button{background:var(--accent);color:#f5f1e4}.ghost-button{color:var(--accent-strong);background:#1f6a5014}.status-button{color:var(--ink);background:#18322a0f}.status-button.is-mastered{color:var(--accent-strong);background:#1f6a5029}.status-button.is-review{color:#6b4717;background:#82562024}.primary-button:hover,.ghost-button:hover,.status-button:hover,.segmented button:hover{transform:translateY(-1px)}.ghost-button:disabled,.primary-button:disabled,.status-button:disabled{opacity:.5;cursor:not-allowed;transform:none}.answer{background:#dfe9dd73;border:1px solid #1f6a5024;border-radius:22px;margin-top:24px;padding:20px;animation:.24s both answer-reveal}.answer__body{white-space:pre-line;margin:12px 0 0}.answer__page{color:var(--accent-strong);margin:18px 0 0;font-weight:600}.answer--placeholder{color:var(--muted);background:#fffaf0b8}.navigator{justify-content:space-between;gap:12px;display:flex}.empty-state{text-align:center;place-items:center;min-height:380px;padding:32px;display:grid}.empty-state p{max-width:28rem;color:var(--muted)}@keyframes panel-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes answer-reveal{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media 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