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#ef444459!important}.quiz-opt-btn.wrong-opt .quiz-opt-badge{background:#ef4444;color:#fff}.quiz-status-banner{padding:8px 12px;border-radius:9px;font-size:.84rem;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:4px}.quiz-status-banner.correct{background:#10b98133;border:1px solid rgba(16,185,129,.4);color:#34d399}.quiz-status-banner.wrong{background:#ef444433;border:1px solid rgba(239,68,68,.4);color:#f87171}.study-card-box.keynote-box{border-color:#10b98138;cursor:pointer}.study-card-box.keynote-box:hover{border-color:#10b98166}.study-card-box.example-box{border-color:#38bdf838}.panel-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:99px;font-size:.72rem;font-weight:700;width:fit-content}.badge-formula{background:#8b5cf633;color:#c084fc;border:1px solid rgba(168,85,247,.35)}.badge-keynote{background:#10b9812e;color:#34d399;border:1px solid rgba(16,185,129,.35)}.badge-example{background:#38bdf82e;color:#38bdf8;border:1px solid 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0!important}.deck-mode-bar{display:flex!important;flex-wrap:nowrap!important;justify-content:space-between!important;align-items:center!important;padding:3px 5px!important;gap:4px!important;margin-bottom:2px!important}.deck-mode-toggle{flex:1 1 auto!important;display:flex!important;padding:2px!important;gap:2px!important}.mode-btn{flex:1!important;padding:3px 6px!important;font-size:.72rem!important;text-align:center!important;white-space:nowrap!important}.deck-mastery-stats{flex-shrink:0!important;font-size:.68rem!important;gap:3px!important}.mastery-pill,.streak-pill{padding:2px 5px!important}.study-card-heading{font-size:1.05rem!important;line-height:1.2!important;margin:0 0 2px!important}.card-prompt{font-size:.82rem!important;line-height:1.35!important;padding:5px 8px!important;margin:2px 0 4px!important;border-left-width:2.5px!important}.quiz-options-grid{grid-template-columns:1fr!important;gap:5px!important;margin:2px 0 5px!important}.quiz-opt-btn{padding:5px 9px!important;min-height:38px!important;gap:7px!important;font-size:.9rem!important;border-radius:8px!important}.quiz-opt-badge{width:22px!important;height:22px!important;font-size:.72rem!important;border-radius:5px!important}.quiz-opt-btn .katex{font-size:.86em!important}.study-bottom-nav{margin-top:3px!important}.btn-study-nav{padding:5px 16px!important;font-size:.8rem!important}.mobile-swipe-hint{display:block!important;margin-top:2px!important}}.formula-top-bar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.08)}.formula-search-box{display:flex;align-items:center;gap:8px;background:#0f172abf;border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:6px 14px;min-width:260px;box-shadow:0 2px 8px #0003;transition:border-color .2s,box-shadow .2s}.formula-search-box:focus-within{border-color:#38bdf8;box-shadow:0 0 14px #38bdf840}.formula-search-icon{font-size:.95rem;color:#64748b}.formula-search-box input{background:transparent;border:none;outline:none;color:#f8fafc;font-size:.88rem;font-weight:500;width:100%}.formula-search-box input::placeholder{color:#64748b}.formula-subject-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}.formula-subject-btn{background:#1e293b99;border:1px solid rgba(255,255,255,.08);border-radius:99px;padding:7px 16px;color:#94a3b8;font-size:.84rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.16,1,.3,1);display:inline-flex;align-items:center;gap:6px}.formula-subject-btn:hover{color:#f8fafc;background:#334155cc;border-color:#fff3}.formula-subject-btn.active{background:#38bdf829;border-color:#38bdf8;color:#38bdf8;font-weight:700;box-shadow:0 0 16px #38bdf840}#formula-chapters-grid-el,.formula-chapters-grid{display:grid!important;grid-template-columns:repeat(auto-fill,minmax(290px,1fr))!important;gap:16px!important;margin-top:14px;width:100%}.formula-chapter-card{background:linear-gradient(145deg,#0f172ad9,#0a0f1ef2);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:16px 18px;display:flex;flex-direction:column;justify-content:space-between;transition:all .22s cubic-bezier(.16,1,.3,1);cursor:pointer;box-shadow:0 4px 18px #0000004d;position:relative;overflow:hidden}.formula-chapter-card:hover{border-color:#38bdf873;background:linear-gradient(145deg,#141e37e6,#0c1224fa);transform:translateY(-3px);box-shadow:0 8px 28px #38bdf82e}.formula-chapter-card.has-deck{border-color:#38bdf82e}.formula-chapter-card.has-deck:hover{border-color:#38bdf8}.formula-chapter-title{font-size:1.05rem;font-weight:700;color:#f8fafc;margin:0 0 6px;line-height:1.35}.formula-chapter-status{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding-top:10px;border-top:1px solid rgba(255,255,255,.06)}.formula-chapter-status span{color:#38bdf8;font-weight:700;font-size:.88rem;transition:transform .15s ease}.formula-chapter-card:hover .formula-chapter-status span{transform:translate(3px)}.badge-pill.badge-green{background:#10b98129;color:#34d399;border:1px solid rgba(16,185,129,.35);padding:3px 9px;border-radius:99px;font-size:.74rem;font-weight:700}@media(max-width:640px){#formula-chapters-grid-el,.formula-chapters-grid{grid-template-columns:1fr!important;gap:12px!important}.formula-search-box{min-width:100%!important}}