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#0000001a}.post-header{display:flex;justify-content:space-between;margin-bottom:15px}.author-name{font-weight:700;margin-right:5px}.author-college{color:#666;font-size:14px}.post-content{margin-bottom:15px;white-space:pre-wrap}.post-images{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:15px}.post-image{max-width:100%;max-height:400px;border-radius:5px}.post-actions button{background:none;border:none;cursor:pointer;color:#666}.post-actions button:hover{color:#4267b2}.post-comments{margin-top:15px;border-top:1px solid #eee;padding-top:15px}.comment{margin-bottom:10px;padding:10px;background-color:#f9f9f9;border-radius:5px}.comment-author{font-weight:500;margin-bottom:5px}.comment-form{display:flex;gap:10px;margin-top:15px}.comment-form input{flex:1;padding:10px;border:1px solid #ddd;border-radius:20px}.comment-form button{background-color:#4267b2;color:#fff;border:none;padding:5px 15px;border-radius:20px;cursor:pointer}.empty-feed{text-align:center;padding:50px 0;color:#999}@media 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.goal-item{background:#fafbfc;border-radius:16px;padding:18px 16px;margin-bottom:18px;box-shadow:0 2px 8px #00000008;display:flex;flex-direction:column;gap:6px}.goals-page .goal-item.completed{opacity:.7;text-decoration:line-through}.goals-page .goal-item h3{font-size:1.15rem;font-weight:600;margin:0 0 4px}.goals-page .goal-item p{margin:0;color:#555;font-size:.98rem}.goals-page .goal-item button{margin-top:10px;margin-right:8px;padding:8px 18px;border-radius:10px;border:none;background:#f5f5f7;color:#222;font-weight:500;cursor:pointer;transition:background .2s}.goals-page .goal-item button:hover{background:#e0e0e0}.goals-page .modal{position:fixed;top:0;left:0;right:0;bottom:0;background:#0000002e;display:flex;align-items:center;justify-content:center;z-index:1000}.goals-page .modal-content{background:#fff;border-radius:18px;padding:32px 28px;box-shadow:0 4px 32px #00000017;text-align:center}.goals-page .modal-content p{font-size:1.1rem;margin-bottom:24px}.goals-page .modal-content button{margin:0 10px;padding:10px 28px;border-radius:12px;border:none;font-size:1rem;font-weight:500;background:#222;color:#fff;cursor:pointer;transition:background .2s}.goals-page .modal-content button:last-child{background:#f5f5f7;color:#222}@media (max-width: 600px){.goals-page .goals-container{padding:18px 6px;border-radius:0;box-shadow:none}.goals-page .modal-content{padding:18px 8px}}.study-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:32px 0 0;background:#fff}.study-page h2{font-size:2rem;font-weight:700;margin-bottom:24px;letter-spacing:1px;color:#111}.streak-display{margin-bottom:24px;font-size:1.2rem;font-weight:500;color:#111;background:#f8f8f8;border-radius:16px;padding:10px 24px;box-shadow:0 2px 12px #00000008;display:inline-block;-webkit-user-select:none;user-select:none}.study-timer-container{display:flex;flex-direction:column;align-items:center;margin-bottom:32px}.study-timer-circle{width:160px;height:160px;border-radius:50%;background:#f0f0f0;display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 4px 24px #0000000a}.study-timer-circle-inner{width:120px;height:120px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;color:#111;cursor:pointer;transition:background .2s,color .2s;-webkit-user-select:none;user-select:none;border:2px solid #222}.study-timer-circle-inner.paused{color:#888;background:#f8f8f8;border:2px dashed #bbb}.study-timer-time{font-size:2.1rem;font-weight:700;color:#111;margin-bottom:10px;letter-spacing:2px}.study-timer-buttons{margin-top:10px}.study-timer-buttons button{padding:8px 22px;font-size:1.1rem;border-radius:8px;border:1px solid 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#ddd}.timeline-date{font-size:1.02rem;font-weight:600;color:#111}.timeline-duration{font-size:.98rem;color:#555;margin-left:8px}.study-ranking-list{margin:0;padding:0;list-style:none}.ranking-item{display:flex;align-items:center;background:#fafafa;border-radius:12px;margin-bottom:12px;padding:10px 16px;box-shadow:0 1px 4px #00000005;border:1px solid #eee;transition:background .2s;position:relative}.ranking-item.top1,.ranking-item.top2,.ranking-item.top3{background:#f0f0f0;font-weight:700;border:2px solid #111}.ranking-pos{font-size:1.3rem;font-weight:700;width:32px;text-align:center;color:#111}.ranking-name{flex:1;font-size:1.08rem;margin-left:10px;color:#111;font-weight:500}.ranking-value{font-size:1.08rem;font-weight:600;color:#222;margin-left:12px}@media (max-width: 600px){.study-timer-circle{width:120px;height:120px}.study-timer-circle-inner{width:90px;height:90px;font-size:1.1rem}.study-timer-time{font-size:1.3rem}.tabs-container{max-width:98vw}.tab-content{padding:10px 4px 10px 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infinite;margin-bottom:16px}@keyframes quiz-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.quiz-loading-text{font-size:1.1rem;color:#2563eb;font-weight:500;letter-spacing:.02em}.quiz-container{margin:40px auto;background:#fff;border-radius:24px;padding:32px 24px;font-family:SF Pro Display,system-ui,-apple-system,sans-serif!important;position:relative}.quiz-container.no-scroll{overflow:hidden!important;height:100vh!important;touch-action:none!important}.quiz-title{font-size:1.3rem;font-weight:700;color:#2d3142;margin-bottom:8px}.quiz-year{font-size:1rem;color:#6c7a89;margin-bottom:8px}.quiz-streak{font-size:1rem;color:#f59e42;margin-bottom:24px;font-weight:500}.quiz-question{font-size:1.1rem;font-weight:500;margin-bottom:16px}.quiz-context{font-size:.95rem;color:#6c7a89;margin-bottom:16px}.quiz-image{display:block;max-width:100%;margin:16px auto;border-radius:12px;box-shadow:0 2px 8px #2c3e501a}.quiz-alternatives{list-style:none;padding:0;margin:0 0 24px}.quiz-alternatives li{margin-bottom:12px}.quiz-alternatives button{width:100%;padding:14px 18px;border:none;border-radius:12px;background:#f1f3f6;color:#2d3142;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s,color .2s}.quiz-alternatives button:hover:enabled{background:#dbeafe}.quiz-alternatives button.alt-correct{background:#22c55e;color:#fff}.quiz-alternatives button.alt-wrong{background:#ef4444;color:#fff}.quiz-feedback{display:flex;flex-direction:column;text-align:center;font-size:.98rem;margin-top:8px;margin-bottom:0;color:#6c7a89;letter-spacing:.01em;animation:fadeIn .3s}.quiz-feedback.acertou{color:#22c55e}.quiz-feedback.errou{color:#ef4444}.quiz-next-btn{margin-top:12px;padding:8px 18px;border:none;border-radius:8px;background:#2d3142;color:#fff;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s}.quiz-next-btn:hover{background:#475569}.quiz-result{text-align:center;margin-top:32px}.quiz-result h3{font-size:1.3rem;color:#2d3142;margin-bottom:16px}.quiz-result .correct{color:#22c55e}.quiz-result .wrong{color:#ef4444}.quiz-alt-intro{font-size:1rem;color:#2d3142;margin-bottom:16px;font-weight:500}@media (max-width: 450px){.quiz-container{padding:0 3px;margin-top:4px}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.quiz-fade-in{animation:quizFadeIn .5s cubic-bezier(.23,1.02,.32,1) both}@keyframes quizFadeIn{0%{opacity:0}to{opacity:1}}.quiz-fade-in-delayed{animation:quizFadeIn .5s cubic-bezier(.23,1.02,.32,1) both;animation-delay:.25s}.quiz-fade-in-more-delayed{animation:quizFadeIn .5s cubic-bezier(.23,1.02,.32,1) both;animation-delay:.45s}.PWABadge-toast{position:fixed;right:0;bottom:0;margin:16px;padding:12px;border:1px solid #8885;border-radius:4px;z-index:1;text-align:left;box-shadow:3px 4px 5px #8885;background-color:#fff}.PWABadge-toast-message{margin-bottom:8px}.PWABadge-toast-button{border:1px solid #8885;outline:none;margin-right:5px;border-radius:2px;padding:3px 10px}