/* A tactile picture book around the original 19-word game. */
body[data-view='classic'] .header-inner{min-height:68px;padding-top:8px;padding-bottom:8px}
body[data-view='classic'] main{max-width:1170px;padding:0 32px 18px;min-height:0}
body[data-view='classic'] .site-footer{max-width:1106px;margin:0 auto;padding:12px 0 18px;border-top:1px solid #cdd7bd}
.classic-game{padding-top:17px}
.classic-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:12px}
.classic-heading h1{font:900 clamp(32px,3.7vw,47px)/1.05 Nunito,sans-serif;letter-spacing:-1.8px}
.classic-heading .eyebrow{font-size:9px;letter-spacing:1.5px;margin:0 0 5px;color:#85612e}
.classic-heading p{font-size:12px;color:var(--muted);margin-top:7px}
.classic-heading .zh{font-size:11px;margin-top:2px;letter-spacing:0}
.classic-modes{display:flex;gap:7px;align-items:center;flex-shrink:0}
.classic-modes button{min-height:45px;padding:8px 16px;border:1.5px solid #a2b38c;border-radius:16px;background:#faf9e9;font-size:13px;font-weight:900;box-shadow:0 3px 0 #d3dcc1;transition:transform .15s,background .15s}
.classic-modes button[aria-pressed='true']{background:#d9e7bc;border-color:#6e8a51;color:#2b4b32;box-shadow:0 3px 0 #a4ba85}
.classic-modes .zh{font-size:10px;color:#4e6447}.classic-modes button:active{transform:translateY(2px);box-shadow:none}
.classic-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:8px 8px 10px}
.classic-top>div{display:flex;align-items:center;gap:12px}
.classic-top>div>span{font-size:9px;line-height:1.2;letter-spacing:.8px;font-weight:900}
.classic-top .zh{font-size:9px;letter-spacing:0;margin-top:3px}
.classic-top strong{font-size:24px;font-weight:900;line-height:1;white-space:nowrap;font-variant-numeric:tabular-nums}
.classic-top small{font-size:11px;color:var(--muted)}
.classic-score strong{background:#ffe29b;border:1px solid #d5b55e;padding:9px 16px;border-radius:45% 45% 38% 38%;box-shadow:0 3px 0 #dbc87c;color:#6d4b17}
.classic-streak strong{color:#58713a}
.classic-progress{height:5px;border-radius:10px;overflow:hidden;background:#dbe2cc;margin:0 12px 15px}
.classic-progress>span{display:block;height:100%;background:#7d9d58;transition:width .25s}
.storybook{position:relative;isolation:isolate;perspective:1800px;border:6px solid #7b9870;border-radius:29px 32px 22px 24px;background:#fff9e9;box-shadow:0 3px 0 #ece1bc,0 6px 0 #cbbd93,0 8px 0 #f6eacd,0 11px 0 #b4aa84,0 15px 0 #6b875f,0 23px 25px -14px #51644270;margin:0 3px 26px}
.storybook:before{content:'';position:absolute;z-index:2;top:0;bottom:0;left:calc(45% - 18px);width:36px;background:linear-gradient(90deg,transparent,#8a754418 35%,#76613928 48%,#fffcee 51%,#d7c59a30 56%,transparent);pointer-events:none;border-radius:0 0 18px 18px}
.storybook:after{content:'';position:absolute;width:23px;height:35px;left:calc(45% - 12px);bottom:-28px;background:#d48256;clip-path:polygon(0 0,100% 0,100% 100%,50% 80%,0 100%);z-index:0}
.classic-board{display:grid;grid-template-columns:45% 55%;align-items:stretch;min-height:300px;position:relative;z-index:1}
.book-page{min-width:0;position:relative;padding:23px 30px 26px}
.classic-picture{display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(ellipse at 50% 58%,#e9edcd80,transparent 68%);border-radius:24px 0 0 18px}
.classic-picture .sprite{width:252px;max-width:100%;transform-origin:50% 90%}
.book-chapter{position:absolute;left:25px;top:18px;font-size:10px;letter-spacing:1px;color:#71845a}
.classic-picture-label{font-size:10px;letter-spacing:1.1px;color:#6b7b5c;margin-top:4px}
.book-page-number{position:absolute;bottom:9px;right:22px;color:#7b8166;font-size:9px}
.classic-puzzle{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center}
.book-page-title{font:900 25px/1.1 Nunito,sans-serif;letter-spacing:-.8px;color:#345638}
.classic-letter-count{font-size:11px;color:#657357;margin:0}
.classic-slots{display:grid;grid-template-columns:repeat(var(--word-length),minmax(0,1fr));gap:5px;width:calc(var(--word-length)*48px);max-width:100%}
.classic-slot{height:51px;min-width:0;background:#f8f5e7;border:2px solid #a2b18b;border-radius:12px;box-shadow:inset 0 2px 4px #756a2910,0 2px 0 #dedac3;font:900 28px/1 Nunito,sans-serif;color:#294b35;transition:background .15s,transform .15s}
.classic-slot.filled{background:#fffef7;border-color:#718f56;box-shadow:0 3px 0 #c7d5b2}
.classic-slot.hinted{background:#fff1bf;border-color:#b29548}
.classic-slot:not(:disabled):hover{background:#edf3df;transform:translateY(-2px)}
.classic-tiles{display:flex;flex-wrap:wrap;justify-content:center;gap:9px;padding:4px 0 6px;max-width:100%;min-height:57px}
.classic-tile{width:44px;height:49px;border:1px solid #d6b76e;background:#ffe3a1;border-radius:13px;box-shadow:0 4px 0 #ccac62;font:900 28px/1 Nunito,sans-serif;color:#244c37;transition:transform .14s,opacity .14s}
.classic-tile:nth-child(4n+2){background:#c5e2ec;border-color:#8eb7c6;box-shadow:0 4px 0 #88b0be}
.classic-tile:nth-child(4n+3){background:#f9d1bd;border-color:#d4a58d;box-shadow:0 4px 0 #d0a188}
.classic-tile:nth-child(4n){background:#d9e7b8;border-color:#a7bc80;box-shadow:0 4px 0 #a2b97b}
.classic-tile:hover:not(:disabled){transform:translateY(-3px) rotate(-2deg)}
.classic-tile:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 #b5ab80}
.classic-tile:disabled{opacity:.22;box-shadow:none;transform:none}
.classic-tools{display:flex;justify-content:center;gap:7px;width:100%;margin-top:1px}
.classic-tools button{background:#f4f3df;border:1.5px solid #a5b38d;box-shadow:0 3px 0 #d3d7b9;border-radius:16px;padding:6px 17px;min-height:44px;font-size:12px;line-height:1.2}
.classic-tools button:nth-child(2){background:#dceef0;border-color:#8cb6bc;box-shadow:0 3px 0 #b4d1d0}
.classic-tools button:nth-child(3){background:#fff0c0;border-color:#d0b96e;box-shadow:0 3px 0 #ddcd91}
.classic-tools .zh{font-size:10px;line-height:1.2;letter-spacing:0;margin-top:3px}
.classic-tools button:active:not(:disabled){transform:translateY(2px);box-shadow:none}
.classic-tools button:disabled{opacity:.45}
.classic-game #audio-status{font-size:10px;line-height:1.4;min-height:14px;color:#667456;margin:0}
.classic-feedback{display:flex;align-items:center;justify-content:center;flex-direction:column;min-height:42px;max-width:850px;margin:7px auto 8px;text-align:center;padding:7px 15px;border-radius:18px;font-size:13px;color:#4f6346;line-height:1.35}
.classic-feedback .zh{font-size:11px;letter-spacing:0;margin-top:3px}
.classic-feedback.success{background:#e1ebca;color:#315b30}.classic-feedback.success strong{font-size:19px}.classic-feedback.success strong>span{color:#87521a}
.classic-feedback.retry{background:#f9ecd1;color:#78552b}
.classic-actions{display:flex;justify-content:center;align-items:center;gap:18px;margin:7px 0}
.classic-actions>p{font-size:10px;color:#667357}.classic-actions>p .zh{font-size:10px;letter-spacing:0}
.classic-actions button{min-height:45px;font-size:13px;padding:10px 20px}.classic-actions .text-button{font-size:11px;padding:8px 4px}
.book-controls{display:flex;justify-content:center;gap:15px;margin:10px 0 0}
.book-controls button{min-height:40px;background:transparent;font-size:11px;padding:7px 10px;border-radius:12px;color:#536b49;display:flex;align-items:center;gap:6px}
.book-controls button:hover{background:#dfe8cf}.book-controls svg{width:16px;height:16px}
.book-cover,.book-turn-leaf{position:absolute;left:45%;top:0;bottom:0;width:55%;transform-origin:0% 50%;backface-visibility:hidden;pointer-events:none;z-index:5;border-radius:0 25px 18px 0;overflow:hidden;will-change:transform}
.book-cover{background:#fff2c9;border:5px solid #789765;box-shadow:5px 5px 20px #5364493d}
.book-cover img{width:100%;height:100%;object-fit:cover;object-position:50% 65%;display:block;opacity:.95}
.book-cover-copy{position:absolute;top:5%;left:7%;right:7%;text-align:center;color:#254b35}
.book-cover-copy strong{display:block;font:900 clamp(24px,3vw,40px)/1 Nunito,sans-serif;letter-spacing:-1px}
.book-cover-copy span{display:block;font-size:11px;margin-top:5px}
.book-turn-leaf{background:linear-gradient(90deg,#d8ccb0,#fffae9 10%,#fff9e7 85%,#d7c6a0);box-shadow:4px 2px 10px #83714c25;border:1px solid #d4c39c}
.book-turn-leaf:after{content:'';position:absolute;right:14px;bottom:14px;width:24px;height:24px;border-radius:100% 0 0 0;background:#e6d8b6}
.book-sparkles{position:absolute;inset:10% 55% 10% 2%;pointer-events:none;z-index:4}
.book-star{position:absolute;font-size:23px;color:#d0a42f;text-shadow:0 2px 0 #fff7c1}
.book-star:nth-child(1){left:10%;top:20%}.book-star:nth-child(2){left:70%;top:10%}.book-star:nth-child(3){left:80%;top:70%}.book-star:nth-child(4){left:5%;top:75%}.book-star:nth-child(5){left:45%;top:0}
.book-cover[hidden],.book-turn-leaf[hidden],.book-sparkles[hidden]{display:none!important}
.classic-confirm{background:#fff5d7;border:2px solid #bca05d;border-radius:18px;padding:16px 20px;margin:12px 0}.classic-confirm p{margin-bottom:10px}.classic-confirm button{margin:5px 10px 0 0}
.classic-summary{max-width:850px;margin:24px auto 10px;text-align:center;background:#fff9e9;border:5px solid #91a67b;border-radius:30px;padding:24px;box-shadow:0 6px 0 #dccda4,0 12px 0 #78946a}
.classic-summary h1{font:900 40px/1.1 Nunito,sans-serif;letter-spacing:-1.4px}.classic-summary .eyebrow{font-size:10px;margin-bottom:15px}
.classic-final-score{margin:15px 0;font-size:18px}.classic-final-score strong{font:900 60px/1 Nunito,sans-serif;color:#9a5e25}
.classic-summary>p{color:#5d7053;font-size:13px}.classic-best{margin-top:10px}
.classic-results{display:grid;grid-template-columns:repeat(auto-fit,minmax(105px,1fr));gap:9px;margin:21px 0}
.classic-result{border-radius:18px;background:#f0eed8;padding:10px 5px;display:flex;flex-direction:column;align-items:center;font-size:13px;gap:4px}.classic-result .sprite{width:72px}.classic-result>span{font-size:9px;color:#657254}
.classic-result.solved{background:#e9efd8}.classic-result.assisted{background:#fff0cf}.classic-result.skipped{background:#f2e9de}
.classic-summary-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.classic-summary-actions button{font-size:13px;min-height:44px}
.classic-save-note{margin-top:16px}
@media(min-width:801px) and (max-height:800px){.classic-game{padding-top:12px}.classic-heading h1{font-size:38px}.classic-heading{margin-bottom:8px}.classic-top{margin-bottom:7px}.classic-score strong{padding:6px 13px}.classic-progress{margin-bottom:11px}.classic-board{min-height:315px}.book-page{padding:19px 25px 23px}.classic-picture .sprite{width:264px}.classic-puzzle{gap:9px}.classic-feedback{margin-top:4px}.book-controls{margin-top:4px}}
@media(max-width:800px) and (min-width:521px){body[data-view='classic'] main{padding:0 20px 90px}.classic-board{grid-template-columns:40% 60%;min-height:340px}.storybook:before{left:calc(40% - 18px)}.storybook:after{left:calc(40% - 12px)}.book-cover,.book-turn-leaf{left:40%;width:60%}.book-page{padding:22px 18px}.classic-picture .sprite{width:230px}.classic-tiles{max-width:256px}.classic-tools button{padding:6px 11px}.classic-heading h1{font-size:38px}}
@media(max-width:520px){
 body[data-view='classic'] .header-inner{min-height:58px;padding:8px 16px}.brand img{width:27px;height:30px}
 body[data-view='classic'] main{padding:0 12px 16px}.classic-game{padding-top:10px}body[data-view='classic'] .mobile-nav{display:none}
 .classic-heading{gap:8px;margin:0 3px 9px}.classic-heading h1{font-size:29px;letter-spacing:-1px}.classic-heading .eyebrow{font-size:7px;letter-spacing:1px;margin-bottom:4px}
 .classic-heading p:not(.eyebrow){font-size:0;line-height:0;margin-top:5px}.classic-heading .zh{font-size:9px;line-height:1.3}
 .classic-modes{gap:5px}.classic-modes button{padding:7px 7px;min-height:44px;font-size:11px;border-radius:13px}.classic-modes .zh{font-size:8px;letter-spacing:0;white-space:nowrap}
 .classic-top{margin:6px 5px 8px;gap:5px}.classic-top>div{gap:5px}.classic-top>div>span{font-size:7px;letter-spacing:0}.classic-top .zh{font-size:7px}.classic-top strong{font-size:18px}.classic-top small{font-size:9px}.classic-score strong{padding:6px 9px}
 .classic-progress{height:4px;margin:0 7px 9px}
 .storybook{border-width:4px;border-radius:22px 24px 17px 20px;margin:0 0 20px;box-shadow:0 3px 0 #eee2bd,0 6px 0 #c5b88f,0 9px 0 #7e986e,0 16px 18px -10px #53644260}
 .storybook:before{left:3px;width:10px;background:linear-gradient(90deg,#a28c5428,transparent);border-radius:15px}.storybook:after{left:20px;width:17px;height:24px;bottom:-20px}
 .classic-board{display:flex;flex-direction:column;min-height:0}.book-page{padding:0 12px}
 .classic-picture{height:104px;min-height:0;margin-top:5px;flex-shrink:0}.classic-picture .sprite{width:110px}.book-chapter{left:15px;top:9px;font-size:7px;letter-spacing:0;max-width:80px}.classic-picture-label,.book-page-number{display:none}
 .classic-puzzle{gap:7px;padding-bottom:12px}.book-page-title{display:none}.classic-letter-count{font-size:10px;line-height:1.3}
 .classic-slots{gap:3px;width:calc(var(--word-length)*43px)}.classic-slot{height:44px;border-radius:9px;font-size:25px;border-width:1.5px}
 .classic-tiles{max-width:244px;gap:7px;padding:3px 0 5px;min-height:0}.classic-tile{width:42px;height:44px;font-size:26px;border-radius:11px}
 .classic-tools{gap:7px;margin:0}.classic-tools button{min-height:40px;padding:5px 12px;font-size:11px;border-radius:13px}.classic-tools .zh{font-size:9px;margin-top:2px}
 .classic-game #audio-status{font-size:8px;line-height:1.4;min-height:0}
 .classic-feedback{font-size:11px;min-height:36px;margin:2px 0 4px;padding:4px 10px}.classic-feedback .zh{font-size:9px;margin-top:2px}.classic-feedback.success strong{font-size:16px}
 .classic-actions{gap:8px;margin:4px 0}.classic-actions>p{display:none}.classic-actions button{min-height:44px;font-size:12px;padding:8px 14px}.classic-actions .text-button{font-size:10px;line-height:1.35;padding:7px 3px;max-width:115px}
 .book-controls{margin-top:5px;gap:5px}.book-controls button{font-size:10px;min-height:40px;padding:6px 8px}
 .book-cover,.book-turn-leaf{left:0;right:0;width:100%;border-radius:18px;transform-origin:0 50%}.book-cover img{object-position:50% 55%}.book-cover-copy{top:6%}.book-cover-copy strong{font-size:34px}.book-sparkles{inset:3% 10% 60%}
 .classic-summary{padding:18px 12px;margin:16px 0;border-radius:23px}.classic-summary h1{font-size:28px}.classic-final-score strong{font-size:48px}.classic-summary>p{font-size:11px}.classic-results{grid-template-columns:repeat(3,1fr);gap:6px;margin:17px 0}.classic-result .sprite{width:61px}.classic-result{font-size:12px}.classic-result>span{font-size:8px}.classic-summary-actions button{width:100%}
 .classic-board:has(.classic-slot:nth-child(7)) .classic-picture{height:88px}.classic-board:has(.classic-slot:nth-child(7)) .classic-picture .sprite{width:96px}
}
@media(prefers-reduced-motion:reduce){.classic-game *{animation:none!important;transition:none!important}.book-cover,.book-turn-leaf,.book-sparkles{display:none!important}}

.book-cover{transform-style:preserve-3d;backface-visibility:visible}
.book-cover img,.book-cover-copy{backface-visibility:hidden;transform:translateZ(1px)}
.book-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f1e7cb,#fff9e9 12%,#fff9e9 90%,#decda3);transform:rotateY(180deg) translateZ(1px);backface-visibility:hidden}
.book-chapter{color:#526743}
@media(max-width:520px){.classic-top>div>span,.classic-top .zh{font-size:9px}.book-chapter{font-size:9px;max-width:100px}.classic-game #audio-status{font-size:9px}.classic-tools .zh{font-size:10px}}

.book-cover img{object-fit:contain;object-position:50% 50%;opacity:1;mix-blend-mode:multiply}
.book-cover{background:#fff2c9}
.book-cover-copy small{display:block;font-size:9px;letter-spacing:.6px;margin-top:5px}

@media(max-width:520px){
 .site-footer{display:flex!important;justify-content:center;border-top:0;padding:8px 12px 90px}
 .site-footer>span{display:none}.site-footer button{font-size:11px;min-height:44px;padding:8px 14px;background:#e8eddb;border-radius:12px}
 body[data-view='classic'] .site-footer{padding:7px 12px 18px}
}

.classic-score strong small{color:#6d4b17}

.classic-picture-label,.book-page-number,.classic-letter-count,.classic-game #audio-status{color:#526647}

/* Keep bilingual helper labels together on small pages. */
.book-chapter span::before,.classic-actions [data-classic="exit"] span::before{content:" · "}
@media(max-width:520px){.book-chapter span,.classic-actions [data-classic="exit"] span{display:block;white-space:nowrap}.book-chapter span::before,.classic-actions [data-classic="exit"] span::before{content:none}}