:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#263d35;background:#f7f8f4;font-synthesis:none;--green:#315d49;--muted:#7c857d;--border:#dfe5db}*{box-sizing:border-box}body{margin:0}button,select,textarea{font:inherit}button,select{cursor:pointer}button{color:inherit}button:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #95bba5;outline-offset:4px}button{transition:background .15s,transform .15s}button:active{transform:translateY(1px)}[hidden]{display:none!important}header{height:98px;max-width:1200px;margin:auto;padding:0 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}.brand{text-decoration:none;color:#273e32;font-size:24px;font-weight:700;letter-spacing:-1px;display:flex;align-items:center}.brand-icon{background:#e6ece1;color:#49654a;border-radius:9px;font-size:32px;width:40px;height:40px;display:grid;place-items:center;margin-right:10px}.brand-dot{color:#779363}.header-note{font-size:12px;color:var(--muted)}main{max-width:776px;margin:auto;padding:53px 28px 24px}.eyebrow{font-size:10px;letter-spacing:1.7px;font-weight:650;color:#7a8d77}.intro h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:46px;letter-spacing:-1.6px;margin:13px 0 11px}.intro p{font-size:14px;color:var(--muted);margin:0}.progress-section{margin:30px 0 33px}.progress-copy{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:11px}.progress-copy strong{color:#3b5e45;font-weight:600}.progress-track{height:5px;background:#e5eadf;border-radius:8px;overflow:hidden}#progress-fill{height:100%;background:#779669;transition:width .2s}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px}.mode-switch{display:flex;background:#e9ede4;padding:4px;border-radius:9px}.mode-switch button{border:0;background:transparent;border-radius:6px;padding:10px 18px;font-size:12px;color:#7c8679}.mode-switch button.active{background:#fff;color:#35513d;box-shadow:0 1px 4px #23321a0d}.filter-label{display:flex;align-items:center;gap:9px;font-size:12px;color:var(--muted)}select{border:1px solid var(--border);border-radius:6px;background:transparent;padding:8px 25px 8px 11px;font-size:12px;color:#52604f}.deck-options{display:flex;align-items:center;justify-content:space-between;margin:24px 1px 13px;font-size:11px;color:var(--muted)}.deck-options label{display:flex;align-items:center;gap:7px}.deck-options select{border:0;padding:3px 20px 3px 5px;font-size:11px;color:#4b604a}.card,.play-card{width:100%;border:1px solid #dce3d5;background:#fffefb;border-radius:15px;box-shadow:0 5px 20px #445c2b04}.card{min-height:325px;display:flex;flex-direction:column;padding:26px 30px;text-align:left}.card:hover{background:#fffefa;border-color:#b5c5aa}.card-top{display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%}.status{font-size:10px;color:#749261;letter-spacing:.2px}.card-content{display:block;font-family:Georgia,"Times New Roman",serif;font-size:28px;line-height:1.48;white-space:pre-wrap;overflow-wrap:anywhere;text-align:center;margin:auto;width:100%;padding:38px 8px}.card-content.long{font-family:inherit;font-size:17px;text-align:left;line-height:1.8}.flip-hint{align-self:center;font-size:11px;color:#929c8b;margin-top:8px}.navigation{display:flex;justify-content:center;align-items:center;gap:27px;margin-top:22px}.nav-button{width:39px;height:36px;border:1px solid var(--border);border-radius:7px;background:transparent;font-size:18px}.nav-button:hover{background:#e9eee3}.nav-button:disabled{opacity:.35;cursor:default}.navigation>span{font-size:12px;color:#7e8979;min-width:65px;text-align:center}.mode-hint{text-align:center;color:#969e90;font-size:11px;margin:25px 0 0}footer{display:flex;align-items:center;justify-content:center;gap:7px;color:#9bA293;font-size:10px;margin-top:49px;flex-wrap:wrap}.save-dot{width:5px;height:5px;background:#9bb786;border-radius:50%}.footer-separator{margin:0 4px}.play-card{padding:27px 30px}.play-card h2{font-family:Georgia,"Times New Roman",serif;font-size:25px;line-height:1.5;font-weight:400;white-space:pre-wrap;overflow-wrap:anywhere;margin:26px 0}.play-card h2.long{font-family:inherit;font-size:16px}.play-card label{display:block;font-size:12px;color:#6f7f69;margin-bottom:9px}textarea{width:100%;resize:vertical;background:#f9faf6;border:1px solid var(--border);border-radius:8px;padding:14px;color:#354c3c;line-height:1.6;font-size:14px}textarea::placeholder{color:#a1a998}.primary,.secondary{border:1px solid transparent;border-radius:7px;padding:12px 19px;font-size:12px;background:var(--green);color:white}.primary:hover{background:#234c39}.secondary{border-color:var(--border);background:transparent;color:#5b6e52}.secondary:hover{background:#edf1e7}#reveal{display:flex;justify-content:space-between;width:100%;margin-top:15px}#comparison{border-top:1px solid var(--border);margin-top:23px;padding-top:22px}#expected-content{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.8;margin-top:13px}.self-mark-hint{font-size:12px;color:var(--muted);margin-top:22px}.mark-actions{display:flex;gap:12px}.mark-actions button{flex:1}.empty{text-align:center;padding:45px 20px;border:1px dashed var(--border);border-radius:15px;background:#fffefb}.empty>span{font-size:32px;color:#82996e}.empty h2{font-family:Georgia,serif;font-size:27px;font-weight:400}.empty p{color:var(--muted);font-size:13px;margin-bottom:24px}#notice{text-align:center;font-size:12px;color:#5a7850;min-height:18px;margin-top:17px}@media(max-width:600px){header{height:75px;padding:0 22px}.header-note{display:none}main{padding:34px 20px 22px}.intro h1{font-size:39px}.toolbar{gap:8px}.mode-switch button{padding:10px 12px}.filter-label{gap:4px}.filter-label select{max-width:111px}.card{padding:23px 20px;min-height:320px}.card-content{font-size:24px;padding:30px 0}.card-content.long{font-size:15px}.play-card{padding:23px 20px}.mark-actions{flex-direction:column}footer{line-height:1.8;margin-top:30px}footer>span:last-child,.footer-separator{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}
:root .area-filter{display:flex;align-items:center;gap:16px;margin-top:24px}.area-filter label{font-size:12px;color:var(--muted);white-space:nowrap}.area-filter select{flex:1;min-width:0;width:100%;background:#fffefb}.card-area{font-size:10px;color:#7c8c73;margin:0 2px 11px;line-height:1.5}@media(max-width:600px){:root .area-filter{align-items:stretch;flex-direction:column;gap:7px}.area-filter select{font-size:11px}}
.deck-picker{display:flex;align-items:center;gap:16px;font-size:12px;color:var(--muted);margin-bottom:18px}.deck-picker select{flex:1;min-width:0;background:#fffefb}
.learning-control{display:flex;justify-content:flex-end;margin:0 0 12px}.learning-control button{padding:7px 11px;font-size:11px}.accuracy{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:#f4f7ef;border-radius:8px;padding:16px;margin-top:22px}.accuracy div{display:flex;flex-direction:column;gap:8px}.accuracy span{font-size:11px;color:#7b8873}.accuracy strong{font-size:14px;font-weight:600}.accuracy #recent-results{font-size:10px}.mark-actions button:disabled{opacity:.5;cursor:default}#after-grade{border-top:1px solid var(--border);margin-top:20px;padding-top:20px}#scheduling{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:12px}#scheduling label{margin:0}#custom-delay-label{grid-column:1/-1;display:flex;align-items:center;gap:12px}#custom-delay{border:1px solid var(--border);border-radius:6px;padding:9px;width:120px;font:inherit;color:inherit;background:#fffefb}#continue{width:100%;margin-top:16px}@media(max-width:600px){.toolbar{flex-wrap:wrap}.mode-switch{flex:1}.mode-switch button{padding:10px 9px}.accuracy{grid-template-columns:1fr}#scheduling{grid-template-columns:1fr}}
.shuffle-controls{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:15px 0 10px;font-size:12px;color:#687b5b}.shuffle-controls label{display:flex;align-items:center;gap:8px}.shuffle-controls input{accent-color:#315d49}.shuffle-controls button{font-size:11px;padding:7px 12px}.shuffle-controls button:disabled{opacity:.4;cursor:default}#shuffle-summary{margin-bottom:16px}#group-info{color:#536d48}
#after-grade #scheduling{display:block;border:0;padding:0;margin:0;min-width:0}#scheduling legend{font-size:12px;color:#6f7f69;padding:0;margin-bottom:12px}.review-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.review-buttons button{padding:12px 6px}@media(max-width:450px){.review-buttons{grid-template-columns:repeat(2,minmax(0,1fr))}}
.rewrite-panel{border:1px solid #ded8bd;border-radius:8px;background:#faf8ef;margin-top:22px;padding:17px}.rewrite-panel label{font-weight:600}.rewrite-panel p{font-size:11px;line-height:1.7;color:#7b785f;margin-bottom:0}.rewrite-panel textarea{background:#fffefb}#scheduling button:disabled,#continue:disabled{opacity:.4;cursor:not-allowed}