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(max-width:640px){.study-interface_gradeGrid__lj3Tl{grid-template-columns:repeat(2,1fr)}.study-interface_finishCard__m9_58{padding:40px 20px}.study-interface_finishTitle__K2Pa9{font-size:1.5rem}}.study-interface_xpReward__ewQcQ{margin-top:32px;padding:24px;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:white;max-width:400px;margin-left:auto;margin-right:auto}.study-interface_xpGained__O2Snk{font-size:2.5rem;font-weight:700;margin:0 0 8px}.study-interface_levelUp__EjQVP{font-size:1.5rem;margin:12px 0;animation:study-interface_bounce__xgraj .5s ease}.study-interface_xpTotal__oiSZH{font-size:1rem;opacity:.9;margin:8px 0 0}@keyframes study-interface_bounce__xgraj{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.study-interface_achievementsUnlocked__ZMd0h{margin-top:24px;padding:20px;background:white;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.1);max-width:400px;margin-left:auto;margin-right:auto}.study-interface_achievementsUnlocked__ZMd0h h3{margin:0 0 16px;font-size:1.3rem;color:#333}.study-interface_achievementItem__odoJp{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#f5f5f5;border-radius:8px;margin-bottom:8px}.study-interface_achievementName__zdhQI{font-weight:600;color:#333}.study-interface_achievementXP__iX7Pv{color:#667eea;font-weight:600}[data-theme=dark] .study-interface_achievementCard__QxDI3,[data-theme=dark] .study-interface_finishCard__m9_58,[data-theme=dark] .study-interface_glassWrapper__unhMx,[data-theme=dark] .study-interface_gradeBtn__J8dXY,[data-theme=dark] .study-interface_progressSection__ye1RB{border-color:rgba(255,255,255,.2)!important}[data-theme=classic-dark] .study-interface_achievementCard__QxDI3,[data-theme=classic-dark] .study-interface_finishCard__m9_58,[data-theme=classic-dark] .study-interface_glassWrapper__unhMx,[data-theme=classic-dark] 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