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.phys-modal-body .detail-val{line-height:1.75}[data-cjk=true] .const-desc,[data-cjk=true] .eq-desc{line-height:1.75;font-size:13px}[data-cjk=true] .section-sub{line-height:1.65}[data-cjk=true] .eq-section-body{line-height:1.85;font-size:13.5px}[data-cjk=true] .lang-picker-note{line-height:1.65;font-size:11px}html[lang=ja][data-cjk=true] .phys-modal-body .detail-block-text{letter-spacing:.04em}html[data-indic=bn] body,html[data-indic=bn]{font-family:Noto Sans Bengali,Vrinda,Akaash,Shonar Bangla,Kalpurush,system-ui,sans-serif}html[data-indic=hi] body,html[data-indic=hi],html[data-indic=mr] body,html[data-indic=mr]{font-family:Noto Sans,Mangal,Kokila,Aparajita,Noto Sans Devanagari,system-ui,sans-serif}html[data-indic=ta] body,html[data-indic=ta]{font-family:Noto Sans Tamil,Latha,Vijaya,Tamil MN,system-ui,sans-serif}html[data-indic=te] body,html[data-indic=te]{font-family:Noto Sans Telugu,Gautami,Vani,system-ui,sans-serif}[data-indic] body{line-height:1.8}[data-indic] .phys-modal-body .detail-block-text,[data-indic] .phys-modal-body .eq-section-body{line-height:1.9;font-size:14px;letter-spacing:0}[data-indic] .phys-modal-body .detail-val{line-height:1.8}[data-indic] .const-desc,[data-indic] .eq-desc{line-height:1.8;font-size:13.5px}[data-indic] .section-sub{line-height:1.7;font-size:13.5px}[data-indic] .lang-picker-note{line-height:1.7;font-size:11.5px}[data-indic] .var-desc{line-height:1.75}[data-indic] .tab-btn,[data-indic] .section-title{letter-spacing:0}.phys-modal-body.translating{position:relative;pointer-events:none}.phys-modal-body.translating:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 0%,rgba(102,126,234,.06) 50%,transparent 100%);background-size:200% 100%;animation:lang-shimmer 1.4s ease infinite;border-radius:12px;pointer-events:none}@keyframes lang-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.lang-translated-badge{display:inline-flex;align-items:center;gap:5px;font-size:10px;color:var(--text-muted);margin-top:14px;padding:4px 9px;border-radius:99px;background:var(--physics-soft);border:1px solid rgba(102,126,234,.1);opacity:0;animation:lang-badge-in .3s ease .2s forwards}@keyframes lang-badge-in{to{opacity:1}}.lang-translated-badge svg{flex-shrink:0;opacity:.7}.lang-trans-error{font-size:11px;color:var(--text-muted);font-style:italic;padding:6px 0;opacity:.75}[data-theme=dark] .lang-picker-note{background:#667eea1a;border-color:#667eea33;color:var(--text-muted)}[data-theme=dark] .lang-picker-footer{border-color:#ffffff12}[data-theme=dark] .lang-picker-title{color:var(--text)}[data-theme=dark] .phys-modal-body.translating:after{background:linear-gradient(90deg,transparent 0%,rgba(168,143,255,.08) 50%,transparent 100%);background-size:200% 100%}[data-theme=dark] .lang-translated-badge{background:#667eea1f;border-color:#667eea33;color:var(--text-muted)}@media(max-width:600px){.lang-picker-panel{inset:auto 12px 80px;width:auto;max-width:none;transform-origin:bottom right}[data-dir=rtl] .lang-picker-panel{right:12px;left:12px;transform-origin:bottom left}@keyframes lang-panel-in{0%{opacity:0;transform:scale(.94) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.lang-globe-btn{padding:0 8px;height:32px}.lang-globe-code{display:none}.lang-picker-grid{grid-template-columns:1fr 1fr;gap:5px}.lang-option{padding:8px 9px;font-size:12px}}@media(max-width:380px){.lang-picker-grid{grid-template-columns:1fr}}.translating .eq-name,.translating .eq-desc,.translating .const-name,.translating .const-desc{position:relative;overflow:hidden;color:transparent!important;border-radius:4px;pointer-events:none}.translating .eq-name:after,.translating .eq-desc:after,.translating .const-name:after,.translating 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infinite;border-radius:3px}.funfacts-tab-btn{background:linear-gradient(135deg,#ff96321f,#ff50821f);border-color:#ff785040!important;color:#e85d20!important}.funfacts-tab-btn:hover{background:linear-gradient(135deg,#ff963238,#ff508238)!important;color:#d44a10!important}.funfacts-tab-btn.active{background:linear-gradient(135deg,#ff6b35,#f7299a)!important;color:#fff!important;box-shadow:0 2px 14px #ff6b3566!important}[data-theme=dark] .funfacts-tab-btn{color:#ff9a6c!important;border-color:#ff785033!important}[data-theme=dark] .funfacts-tab-btn:hover{background:linear-gradient(135deg,#ff96322e,#ff50822e)!important}[data-theme=dark] 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var(--border);background:transparent;color:var(--text-sec);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .14s ease;white-space:nowrap;overflow:hidden;z-index:0}.ff-filter-btn:after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(135deg,#ff6b35,#f7299a);opacity:0;transition:opacity .22s ease;z-index:-1}.ff-filter-btn:hover{background:#ff6b3514;color:var(--text);border-color:#ff6b354d;transform:translateY(-1px)}.ff-filter-btn.active{color:#fff;border-color:transparent;box-shadow:0 3px 12px #ff6b3566;transform:translateY(-1px)}.ff-filter-btn.active:after{opacity:1}.ff-subfilters{display:flex;flex-wrap:nowrap;gap:7px;overflow-x:auto;padding:2px 2px 6px;scrollbar-width:none;-ms-overflow-style:none;max-height:52px;opacity:1;transform:translateY(0);transition:max-height .28s cubic-bezier(.4,0,.2,1),opacity .22s ease,transform .22s cubic-bezier(.4,0,.2,1),margin-top .22s ease,padding-bottom .22s ease;margin-top:0}.ff-subfilters::-webkit-scrollbar{display:none}.ff-subfilters.hidden{max-height:0!important;opacity:0;transform:translateY(-8px);pointer-events:none;margin-top:-4px;padding-bottom:0;overflow:hidden}.ff-sub-btn{flex-shrink:0;display:inline-flex;align-items:center;gap:5px;padding:5px 13px;border-radius:99px;border:1.5px solid var(--border);background:transparent;color:var(--text-sec);font-family:inherit;font-size:12px;font-weight:500;cursor:pointer;white-space:nowrap;transition:background .15s ease,color .15s ease,border-color .15s ease,transform .13s ease,box-shadow .15s ease;position:relative;overflow:hidden;z-index:0}.ff-sub-btn:after{content:"";position:absolute;inset:0;border-radius:inherit;background:linear-gradient(135deg,#ff6b35,#f7299a);opacity:0;transition:opacity .2s 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22px 18px;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;position:relative;overflow:hidden;animation:ffCardIn .35s ease both}@keyframes ffCardIn{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.ff-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--ff-accent, linear-gradient(90deg, #ff6b35, #f7299a));border-radius:var(--radius-card) var(--radius-card) 0 0}.ff-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#ff6b3533}.ff-card[data-cat=physics]{--ff-accent: linear-gradient(90deg, #667eea, #764ba2)}.ff-card[data-cat=chemistry]{--ff-accent: linear-gradient(90deg, #11998e, #38ef7d)}.ff-card[data-cat=biology]{--ff-accent: linear-gradient(90deg, #f7971e, #ffd200)}.ff-card[data-cat=space]{--ff-accent: linear-gradient(90deg, #0f0c29, #302b63, 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#203a43)}.ff-card[data-cat=ai]:before{background:linear-gradient(90deg,#00c6ff,#0072ff)}.ff-card-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.ff-card-emoji{font-size:26px;line-height:1;flex-shrink:0}.ff-card-cat{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:3px 9px;background:var(--physics-soft);border-radius:99px;border:1px solid var(--border)}.ff-card-title{font-size:15px;font-weight:600;line-height:1.4;color:var(--text);margin-bottom:8px}.ff-card-text{font-size:14.5px;line-height:1.65;color:var(--text-sec)}.ff-card-text strong{color:var(--text);font-weight:700}.ff-empty{text-align:center;padding:64px 24px;color:var(--text-muted)}.ff-empty-icon{font-size:48px;margin-bottom:16px}.ff-empty p{font-size:16px}.hidden{display:none!important}[data-theme=dark] .ff-search{background:#ffffff0d;color:var(--text);border-color:var(--border)}[data-theme=dark] 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