.edu-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.edu-actions button,.edu-actions a{border:1px solid #9ad2ea;background:#e9f8ff;color:#087da6;border-radius:10px;padding:11px 18px;font:14px Tahoma;cursor:pointer;min-height:44px;text-decoration:none}.edu-muted{font-size:12px;color:#617f93;line-height:1.9}.edu-certificate{width:min(850px,95vw);max-height:93dvh;overflow:auto;padding:25px;border:1px solid #b6dfee;border-radius:20px;color:#173f59;font-family:Tahoma;background:white}.edu-certificate::backdrop{background:#123d59b0}.edu-certificate canvas{width:100%;height:auto;margin:18px 0;display:block}.edu-certificate input{width:100%;padding:12px;border:1px solid #b1d9e9;border-radius:9px;font:16px Tahoma}.edu-timer{padding:15px;background:#e4f6ff;border:1px solid #b9e2f2;border-radius:12px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:16px 0}.edu-timer output{font-size:23px;color:#097aa6;font-weight:bold;direction:ltr}.edu-review{margin:16px 0;padding:16px;background:#f1faff;border:1px solid #cee7f4;border-radius:13px;text-align:right;direction:rtl}.edu-review h3{font-size:17px}.edu-review .question-copy{direction:ltr;text-align:left}.edu-leaderboard{width:100%;border-collapse:collapse;font-size:14px}.edu-leaderboard td,.edu-leaderboard th{text-align:right;padding:12px;border-bottom:1px solid #d9eaf4}.edu-feature-box{font:15px Tahoma;line-height:1.9;color:#184961;background:white;border:1px solid #bde1ef;border-radius:16px;padding:20px;margin:20px auto;max-width:1000px}.edu-feature-box h2{font-size:21px}.edu-feature-box input[type=checkbox]{width:20px;display:inline-block;vertical-align:middle}.edu-stage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:20px 0}.edu-stage-grid a{display:block;padding:24px;background:white;border:1px solid #cce6f4;border-top:4px solid #13a1cf;border-radius:16px;color:#17445e;text-decoration:none;text-align:center}.edu-stage-grid strong{display:block;font-size:22px}.edu-stage-grid span{display:block;font-size:13px;color:#658498}@media(max-width:600px){.edu-stage-grid{grid-template-columns:1fr}.edu-leaderboard{font-size:12px}.edu-leaderboard td,.edu-leaderboard th{padding:9px 5px}.edu-certificate{padding:18px}}

.edu-timer button{min-height:44px;padding:10px 15px;background:#0788bb;color:white;border:0;border-radius:10px;font:15px Tahoma;cursor:pointer}.edu-timer button:disabled{opacity:.6;cursor:default}.edu-timer input{min-height:44px;font-size:16px;border:1px solid #9ad2ea;border-radius:8px;padding:8px}#weekly-board,#public-board{overflow-x:auto}.edu-leaderboard{min-width:520px}.edu-stage-grid a[aria-current=true]{border-color:#087fb6;background:#e4f6ff}.edu-actions button[aria-pressed=true]{background:#087fb6;color:white}
.edu-certificate-preview{display:block;width:min(100%,420px);height:auto;margin:16px auto;border-radius:18px}.edu-certificate-summary{text-align:center;color:#58748a;font-size:14px}.edu-certificate h2{margin-top:0}.edu-certificate .edu-actions{justify-content:center;position:sticky;bottom:0;padding:12px 0;background:#fff}.edu-certificate label{display:block}.edu-certificate input{box-sizing:border-box}

.edu-save-favorite{margin:10px 14px;min-height:44px;border:1px solid #b3dfee;background:#eaf8ff;color:#087fa9;border-radius:10px;padding:10px 14px;font:14px Tahoma;cursor:pointer}.edu-favorite-message{display:block;margin:4px 14px;color:#08785c;font:12px/1.8 Tahoma}.edu-favorite-card{padding:18px 0;border-bottom:1px solid #dceaf4}.edu-favorite-card>a{font-weight:bold}.edu-favorite-card p{white-space:pre-wrap;overflow-wrap:anywhere}.edu-favorite-card button{display:block;background:#eef7fc;color:#547589;border:1px solid #d4e8f3;border-radius:9px;padding:8px 14px;min-height:44px;cursor:pointer}.edu-avatar{font-size:42px}.edu-activity-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px}.edu-activity-stats article{padding:20px;border-radius:16px;background:#e8f7ff}.edu-activity-stats b{display:block;font-size:32px;color:#0785b3}.edu-activity-stats span{font-size:13px}.edu-badges{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.edu-badges span{border:1px solid #bfe5ef;padding:8px 14px;border-radius:24px;color:#087da6;background:#f0fbff}.edu-progress-chart{height:220px;display:flex;align-items:flex-end;gap:9px;direction:ltr;padding:15px 0 30px}.edu-progress-column{height:170px;flex:1;max-width:90px;min-width:17px;position:relative;display:flex;align-items:flex-end}.edu-progress-column>span{display:flex;align-items:flex-start;justify-content:center;width:100%;background:linear-gradient(#22b5da,#087fbc);color:white;border-radius:7px 7px 0 0;font-size:11px;padding-top:5px;box-sizing:border-box;min-height:22px}.edu-progress-column small{position:absolute;bottom:-26px;text-align:center;width:100%;font-size:10px;white-space:nowrap}.edu-report-text{white-space:pre-wrap;line-height:2}.edu-weekly-report p{font-size:14px}@media(max-width:600px){.edu-progress-chart{gap:5px}.edu-progress-column small{font-size:8px}.edu-activity-stats article{padding:15px 10px}}

.edu-reference-tutor{margin-block:16px;padding:16px;border:1px solid #8dd9ef;border-radius:16px;background:#eefbff;color:#123c55}.edu-reference-tutor summary{cursor:pointer;font-weight:bold}.edu-reference-tutor li{margin-block:10px}

.edu-bag-tools{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin:18px 0}.edu-bag-tools label{display:flex;flex-direction:column;gap:8px}.edu-bag-tools input,.edu-bag-tools select{font:inherit;width:100%;min-width:0;min-height:44px;padding:10px;border:1px solid #bad7e8;border-radius:10px;background:#fff;color:#153c55}.edu-favorite-card{overflow-wrap:anywhere}@media(max-width:600px){.edu-bag-tools{grid-template-columns:1fr}}