.subject-computing{background:#f5f9ff;border-color:#c9dcf1}.computing-symbol{background:#dceaff;color:#4273ad}
.board-controls{display:flex;align-items:center;gap:13px;flex:none}.board-controls .reset-link{margin:0;font-size:14px;background:#fff;border:1px solid #abcbd7;border-radius:10px;padding:7px 12px}.board-controls .reset-link:focus-visible{outline:3px solid var(--coral);outline-offset:4px}@media(max-width:650px){.board-controls{flex-direction:column;align-items:flex-end;gap:5px}}
.computing-page{background:#f7fbff}.computing-main{max-width:1000px;padding-top:34px;padding-bottom:60px}.computing-hero{margin-top:15px;min-height:205px;border:1px solid #bad8f3;border-radius:28px;background:linear-gradient(120deg,#eaf5ff,#effcf7);display:flex;align-items:center;justify-content:space-between;overflow:hidden;padding:24px 42px;position:relative}.hero-copy{position:relative;z-index:1}.hero-copy h1{font-size:clamp(30px,4vw,46px);line-height:1.18;margin:0 0 12px;letter-spacing:-.04em}.hero-copy p{font-size:17px;color:#4f6d83;margin:0;max-width:540px}.hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:23px}.hero-stats span{background:#ffffffcf;border:1px solid #d4e8f6;padding:7px 12px;border-radius:10px;color:#39677c;font-size:13px;font-weight:700}.hero-art{width:215px;height:180px;position:relative;flex:none}.robot{position:absolute;top:26px;left:60px;width:112px;height:109px;border:5px solid #5589b3;background:#fff;border-radius:28px;box-shadow:0 14px 0 #b6d8eb,0 18px 28px #4c88aa2b;transform:rotate(7deg);display:grid;place-items:center}.robot:before,.robot:after{content:'';position:absolute;width:12px;height:31px;background:#79b6d2;border-radius:8px;top:42px}.robot:before{left:-16px}.robot:after{right:-16px}.robot-antenna{position:absolute;top:-26px;width:6px;height:24px;background:#5589b3}.robot-antenna:before{content:'';position:absolute;width:14px;height:14px;border-radius:50%;background:#f5a993;top:-7px;left:-4px}.robot-face{font-size:37px;letter-spacing:2px;color:#5589b3;line-height:1}.robot-feet{position:absolute;bottom:-35px;color:#5589b3;font-size:26px}.art-star{position:absolute;color:#e9b94f;font-size:30px}.star-one{top:0;right:12px}.star-two{bottom:5px;left:16px}.art-arrow{position:absolute;bottom:8px;right:5px;font-size:24px;color:#7ab4ac;font-weight:700}.mission-board,.task-card,.completion{border:1px solid #dbe7f1;border-radius:24px;background:#fff;box-shadow:0 12px 30px #3164890b}.mission-board{padding:22px 32px;margin-top:18px}.board-top{display:flex;align-items:start;justify-content:space-between;gap:20px}.board-top h2{font-size:23px;margin:0 0 2px}.board-top p{margin:0;color:var(--muted);font-size:14px}.star-count{white-space:nowrap;border-radius:14px;background:#fff3cf;color:#82620b;padding:9px 15px;font-weight:700}.overall-track{height:13px;background:#e8f0f7;border-radius:99px;margin-top:23px;overflow:hidden}.overall-track span{display:block;background:#79b9a8;width:0;height:100%;border-radius:inherit;transition:width .3s}.progress-caption{font-size:13px;color:var(--muted);margin:5px 0 22px}.unit-path{display:flex;align-items:center;gap:15px}.unit-item{display:flex;align-items:center;gap:11px;flex:1;min-width:0}.unit-icon{display:grid;place-items:center;background:#d9ecfa;color:#366d99;width:41px;height:41px;border-radius:13px;flex:none;font-weight:700}.unit-icon.second{background:#e3f4e8;color:#4f8c69}.unit-item strong,.unit-item small{display:block;line-height:1.3}.unit-item strong{font-size:14px}.unit-item small{color:var(--muted);font-size:12px;margin-top:3px}.path-dots{letter-spacing:5px;color:#a0bfce}.task-card{margin-top:22px;padding:34px 40px;scroll-margin-top:18px}.task-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.task-kind{background:#eaf5ff;color:#4477a2;font-size:13px;font-weight:700;border-radius:99px;padding:5px 13px}.task-number{font-size:14px;font-weight:700;color:var(--muted)}.task-card h2{font-size:clamp(25px,3vw,32px);margin:23px 0 5px;line-height:1.3}.task-hint{font-size:18px;color:#4e6679;margin:0 0 22px}.task-visual{white-space:pre;text-align:center;width:max-content;max-width:100%;margin:0 0 20px;padding:15px 24px;background:#f5f9ff;border:1px dashed #b9d3e9;border-radius:14px;font-size:29px;line-height:1.65;letter-spacing:.2em}.choice-area{display:grid;gap:10px}.choice-button{display:flex;gap:14px;align-items:center;text-align:left;min-height:61px;width:100%;background:#fff;border:1.5px solid #cfdeea;border-radius:14px;padding:10px 17px;color:var(--ink);font-size:17px;font-weight:600;transition:background .18s,border-color .18s,transform .18s}.choice-button:hover:not(:disabled){background:#f0f8ff;border-color:#7eacd3;transform:translateX(3px)}.choice-button:disabled{opacity:1;cursor:default}.choice-marker{width:32px;height:32px;display:grid;place-items:center;flex:none;border-radius:10px;background:#eaf2f9;color:#577d9d;font-size:14px}.choice-button.correct{border-color:#6db696;background:#effaf3}.choice-button.correct .choice-marker{background:#64ac87;color:white}.choice-button.incorrect{border-color:#e4a28f;background:#fff5f1}.choice-button.incorrect .choice-marker{background:#dc947e;color:#fff}.choice-feedback,.example-box{margin-top:18px;background:#effaf3;border-radius:13px;padding:14px 17px;color:#32694d;font-size:15px}.choice-feedback.try-again{background:#fff5ef;color:#925441}.writing-area label{display:block;font-weight:700;margin-bottom:8px}.writing-area textarea{width:100%;resize:vertical;border:1.5px solid #c7dbea;border-radius:13px;padding:13px 16px;font:inherit;font-size:16px;min-height:118px;color:var(--ink)}.writing-area textarea:focus-visible{outline:3px solid #8ab6dc;outline-offset:2px}.writing-area .button{margin-top:12px}.example-box{background:#eef6fd;color:#305d7e}.example-box strong{display:block}.example-box p{margin:5px 0 0}.task-actions{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #e3edf3;padding-top:22px;margin-top:26px}.completion{text-align:center;padding:45px 20px;margin-top:22px}.completion-icon{font-size:58px}.completion h2{font-size:30px;margin:6px 0}.completion p{color:var(--muted);margin:0}.completion-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:22px}.source-note{color:#758596;font-size:12px;margin:20px 3px 0}@media(max-width:650px){.computing-main{padding-top:22px}.computing-hero{padding:24px;min-height:0}.hero-copy h1{font-size:32px}.hero-copy p{font-size:15px}.hero-art{width:65px;height:110px;margin-right:-19px}.robot{transform:scale(.55) rotate(7deg);transform-origin:top left;left:0;top:23px}.art-star,.art-arrow{display:none}.hero-stats{gap:6px}.hero-stats span{font-size:11px;padding:5px 7px}.mission-board{padding:21px}.board-top h2{font-size:20px}.board-top p{font-size:12px}.star-count{font-size:12px;padding:7px 9px}.unit-path{flex-direction:column;align-items:stretch;gap:12px}.path-dots{display:none}.task-card{padding:23px 19px}.task-card h2{margin-top:18px}.task-hint{font-size:16px}.choice-button{font-size:15px}.task-actions .button{font-size:13px;padding:10px 11px}.task-visual{font-size:24px;padding:10px 15px}}