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12px;font-family:inherit;font-size:14px}.dlg-input:focus{border-color:var(--accent)}.dlg-actions{justify-content:flex-end;gap:8px;display:flex}.dlg-btn{padding:9px 18px;font-size:13.5px}.dlg-danger{background:var(--red)!important}@keyframes dlgFade{0%{opacity:0}to{opacity:1}}@keyframes dlgPop{0%{opacity:0;transform:translateY(8px)scale(.97)}to{opacity:1;transform:none}}.maint-screen{z-index:9999;background:linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);justify-content:center;align-items:center;padding:24px;animation:.25s dlgFade;display:flex;position:fixed;inset:0}.maint-card{background:var(--card);text-align:center;border-radius:18px;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:460px;padding:44px 36px 30px;animation:.3s dlgPop;display:flex;box-shadow:0 20px 60px #00000047}.maint-card svg{display:block}.maint-icon{width:60px;height:60px;color:var(--accent);background:#eefaf8;border-radius:50%;justify-content:center;align-items:center;margin-top:4px;display:flex}.maint-card h1{color:var(--dark);font-size:23px;font-weight:700}.maint-msg{color:var(--gray);margin-top:-4px;font-size:14.5px;line-height:1.65}.maint-eta{color:var(--accent-deep);background:#eefaf8;border-radius:100px;padding:7px 16px;font-size:13px;font-weight:500}.maint-card .btn-primary{width:100%;margin-top:6px}.maint-admin-link{color:var(--lgray);margin-top:2px;font-size:12.5px}.maint-admin-link:hover{color:var(--accent);text-decoration:underline}.maint-splash{animation:1.4s ease-in-out infinite maintPulse}@keyframes maintPulse{0%,to{opacity:.4}50%{opacity:1}}[data-theme=dark] .maint-icon,[data-theme=dark] .maint-eta{background:var(--accent-soft)}@media (width<=520px){.maint-card{border-radius:14px;padding:36px 24px 26px}.maint-card h1{font-size:20px}}.inst-badge{white-space:nowrap;align-items:center;gap:6px;padding:4px 11px;font-size:12.5px;font-weight:600;display:inline-flex}.inst-badge .inst-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:7px;height:7px}.login-gate{text-align:center;flex-direction:column;align-items:center;width:420px;max-width:100%;padding:30px 30px 22px;display:flex}.login-gate-icon{background:var(--green-bg,#e2f5e8);width:54px;height:54px;color:var(--green);border-radius:50%;justify-content:center;align-items:center;margin-bottom:14px;display:flex}.login-gate-title{color:var(--dark);margin:0 0 8px;font-size:18px;font-weight:700}.login-gate-msg{color:var(--gray);margin:0 0 12px;font-size:14px;line-height:1.6}.login-gate-note{color:var(--gray);background:var(--bg,#f6f7f9);border-radius:9px;width:100%;margin:0 0 18px;padding:9px 12px;font-size:12.5px;line-height:1.55}.login-gate-note.ok{background:var(--green-bg,#e2f5e8);color:var(--green)}.login-gate-actions{flex-direction:column;gap:9px;width:100%;display:flex}.login-gate-actions .btn-navy.lg,.login-gate-actions .btn-ghost.lg{border-radius:9px;width:100%;padding:12px;font-size:14.5px;font-weight:600}.login-gate-dismiss{color:var(--gray);cursor:pointer;background:0 0;border:none;margin-top:14px;font-size:13px}.login-gate-dismiss:hover{color:var(--dark);text-decoration:underline}.offcampus-banner{color:var(--dark);background:#fdf3df;border:1px solid #c8a03c66;border-radius:10px;align-items:center;gap:10px;margin:0 0 20px;padding:12px 16px;font-size:13.5px;line-height:1.5;display:flex}.offcampus-banner .offcampus-dot{background:var(--amber,#b88a1a);border-radius:50%;flex-shrink:0;width:8px;height:8px}[data-theme=dark] .offcampus-banner{background:#e0b0501f}[data-mobile] .container{padding:0 16px}[data-mobile] input,[data-mobile] textarea,[data-mobile] select{font-size:16px}[data-mobile] .app-main.has-tabbar{padding-bottom:calc(60px + env(safe-area-inset-bottom))}.m-header{z-index:50;height:54px;padding:env(safe-area-inset-top) 10px 0;background:var(--card,#fff);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:8px;display:flex;position:sticky;top:0}.m-wordmark{align-items:center;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.m-header-actions{align-items:center;gap:2px;margin-left:auto;display:flex}.m-icon-btn,.m-header .icon-btn{width:40px;height:40px;color:var(--gray);border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;display:flex}.m-icon-btn:active,.m-header .icon-btn:active{background:var(--hair)}[data-mobile] .m-header .icon-btn+div{width:min(340px,100vw - 20px)!important;right:-4px!important}.m-tabbar{z-index:60;background:var(--card,#fff);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -2px 12px #0f16140a}.m-tab{min-width:0;color:var(--lgray);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding:8px 2px 7px;font-size:10.5px;font-weight:500;display:flex}.m-tab svg{color:var(--lgray);transition:color .15s}.m-tab span{letter-spacing:-.2px;line-height:1}.m-tab.active,.m-tab.active svg{color:var(--accent)}.m-tab:active{background:var(--hair)}.m-drawer-root{z-index:100;pointer-events:none;position:fixed;inset:0}.m-drawer-root.open{pointer-events:auto}.m-drawer-backdrop{opacity:0;background:#0a0c1473;transition:opacity .25s;position:absolute;inset:0}.m-drawer-root.open .m-drawer-backdrop{opacity:1}.m-drawer{background:var(--bg,#fff);visibility:hidden;width:84%;max-width:330px;padding-top:env(safe-area-inset-top);flex-direction:column;transition:transform .26s cubic-bezier(.22,.8,.36,1),visibility .26s;display:flex;position:absolute;top:0;bottom:0;left:0;overflow-y:auto;transform:translate(-100%);box-shadow:2px 0 28px #0003}.m-drawer-root.open .m-drawer{visibility:visible;transform:none}.m-drawer-head{border-bottom:1px solid var(--hair);background:var(--bg,#fff);z-index:1;justify-content:space-between;align-items:center;padding:14px 16px;display:flex;position:sticky;top:0}.m-drawer-body{padding:14px 14px calc(24px + env(safe-area-inset-bottom))}.m-user-card{background:var(--accent-soft);border-radius:12px;align-items:center;gap:12px;margin-bottom:14px;padding:12px;display:flex}.m-avatar{background:var(--card);width:44px;height:44px;color:var(--accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:17px;font-weight:700;display:flex;overflow:hidden}.m-avatar img{object-fit:cover;width:100%;height:100%}.m-user-meta{flex-direction:column;gap:2px;min-width:0;display:flex}.m-user-name{color:var(--dark);text-overflow:ellipsis;white-space:nowrap;font-size:15.5px;font-weight:700;overflow:hidden}.m-user-sub{color:var(--accent-deep);font-size:12.5px}.m-auth-row{gap:10px;margin-bottom:14px;display:flex}.m-auth-row>a{flex:1}.m-auth-row button{border-radius:10px;width:100%;padding:12px;font-size:14.5px}.m-group-label{letter-spacing:.06em;color:var(--lgray);text-transform:uppercase;padding:16px 12px 6px;font-size:11px;font-weight:700}.m-nav-group{flex-direction:column;display:flex}.m-nav-link{color:var(--dark);text-align:left;border-radius:10px;align-items:center;width:100%;padding:13px 12px;font-size:15.5px;font-weight:500;display:flex}.m-nav-link.sub{color:var(--gray);padding:11px 12px;font-size:14.5px;font-weight:400}.m-nav-link.between{justify-content:space-between}.m-nav-link.active{background:var(--accent-soft);color:var(--accent-deep);font-weight:700}.m-nav-link:active{background:var(--hair)}.m-caret{color:var(--lgray);font-size:12px;transition:transform .18s}.m-caret.up{transform:rotate(180deg)}.m-lang-list{flex-wrap:wrap;gap:6px;padding:4px 12px 8px;display:flex}.m-lang-item{border:1px solid var(--border);color:var(--gray);background:var(--card);border-radius:100px;padding:7px 14px;font-size:13px}.m-lang-item.active{background:var(--accent-soft);border-color:var(--accent-border);color:var(--accent-deep);font-weight:700}.m-signout{border:1px solid var(--border);width:100%;color:var(--red);background:var(--card);border-radius:10px;margin-top:18px;padding:13px;font-size:14.5px;font-weight:500}.m-signout:active{background:var(--hair)}[data-mobile] .page-body,[data-mobile] .detail-body,[data-mobile] .upload-body,[data-mobile] .profile-body,[data-mobile] .latest-popular{flex-direction:column;align-items:stretch;gap:22px;padding-top:20px;padding-bottom:36px}[data-mobile] .results{width:100%;min-width:0;max-width:100%}[data-mobile] .sidebar,[data-mobile] .popular-col,[data-mobile] .detail-side,[data-mobile] .upload-side,[data-mobile] .profile-left{border-left:none;width:100%;padding-left:0}[data-mobile] .popular-col,[data-mobile] .detail-side{border-top:1px solid var(--hair);padding-top:20px}[data-mobile] .promo-banner{padding:26px 0}[data-mobile] .promo-inner{flex-direction:column;align-items:stretch;gap:16px}[data-mobile] .promo-inner h1{font-size:22px}[data-mobile] .promo-inner p{font-size:14px}[data-mobile] .promo-actions{flex-direction:column;width:100%}[data-mobile] .promo-search{width:100%;min-width:0;max-width:none}[data-mobile] .btn-outline-white,[data-mobile] .btn-white{text-align:center;width:100%}[data-mobile] .hero{padding:40px 16px}[data-mobile] .hero h1{font-size:25px}[data-mobile] .hero p{margin-bottom:22px;font-size:14.5px}[data-mobile] .searchbar{border-radius:12px}[data-mobile] .searchbar svg{margin-left:14px}[data-mobile] .searchbar input{padding:14px 10px;font-size:16px}[data-mobile] .searchbar button{padding:0 16px;font-size:14px}[data-mobile] .static-hero{padding:38px 16px}[data-mobile] .static-hero h1{font-size:23px}[data-mobile] .static-hero p{font-size:14.5px}[data-mobile] .static-body{margin:26px auto 56px;padding:0 16px}[data-mobile] .static-body h2{font-size:17px}[data-mobile] .adv-panel{padding:14px}[data-mobile] .adv-row{flex-wrap:wrap}[data-mobile] .adv-row select:first-child,[data-mobile] .adv-op-placeholder{width:56px}[data-mobile] .adv-actions{flex-direction:column;align-items:stretch;gap:10px}[data-mobile] .adv-submit{width:100%}[data-mobile] .chip-row{-webkit-overflow-scrolling:touch;scrollbar-width:none;flex-wrap:nowrap;padding:18px 0 6px;overflow-x:auto}[data-mobile] .chip-row::-webkit-scrollbar{display:none}[data-mobile] .chip{flex-shrink:0}[data-mobile] .section-head h2{font-size:18px}[data-mobile] .featured-row{flex-direction:column;gap:8px}[data-mobile] .featured-row .fdiv{display:none}[data-mobile] .featured-card{border-top:1px solid var(--hair);padding:16px 0}[data-mobile] .featured-row .featured-card:first-of-type{border-top:none}[data-mobile] .featured-card h3{font-size:16.5px}[data-mobile] .discord-band{margin-top:28px;padding:26px 0}[data-mobile] .discord-inner{flex-direction:column;align-items:flex-start;gap:14px}[data-mobile] .discord-inner a,[data-mobile] .discord-inner .btn-white{width:100%}[data-mobile] .results-head{flex-wrap:wrap;gap:8px}[data-mobile] .tabs{scrollbar-width:none;overflow-x:auto}[data-mobile] .tabs::-webkit-scrollbar{display:none}[data-mobile] .paper-item{padding:18px 0}[data-mobile] .paper-item h2{font-size:16.5px}[data-mobile] .sidebar .fgroup{padding:14px 0}[data-mobile] .sidebar .fgroup label{margin-right:16px;display:inline-flex}[data-mobile] .detail-top{padding:26px 0 22px}[data-mobile] .detail-top h1{font-size:22px}[data-mobile] .detail-section .body-text{font-size:14.5px}[data-mobile] .detail-actions{width:100%}[data-mobile] .detail-actions>*{flex:auto}[data-mobile] .cite-tabs{flex-wrap:wrap}[data-mobile] .cite-box{padding:14px 16px;font-size:13px}[data-mobile] .upload-top{padding:26px 0 22px}[data-mobile] .upload-top h1{font-size:22px}[data-mobile] .stepper{-webkit-overflow-scrolling:touch;scrollbar-width:none;flex-wrap:nowrap;padding-bottom:6px;overflow-x:auto}[data-mobile] .stepper::-webkit-scrollbar{display:none}[data-mobile] .step{flex-shrink:0}[data-mobile] .step-line{width:28px;margin:0 8px}[data-mobile] .dropzone{padding:44px 16px}[data-mobile] .lic-row{flex-direction:column}[data-mobile] .lic-card{width:100%}[data-mobile] .radio-row{flex-wrap:wrap;gap:18px}[data-mobile] .author-item{flex-wrap:wrap}[data-mobile] .summary-row{flex-direction:column;gap:2px}[data-mobile] .summary-row .k{width:auto}[data-mobile] 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40px}[data-mobile] .center-page{margin:44px auto 72px;padding:0 18px}[data-mobile] .page-title{margin:28px 0 4px;font-size:22px}[data-mobile] .plans{flex-direction:column;gap:16px;padding:24px 0}[data-mobile] .plan-card{width:100%}[data-mobile] .learn-strip{padding:24px 0}[data-mobile] .learn-strip h1{font-size:23px}[data-mobile] .learn-stats{gap:20px}[data-mobile] .quick-row{gap:22px}[data-mobile] .quiz-opt{padding:14px 16px;font-size:15px}[data-mobile] .tree{flex-direction:column;align-items:center;gap:0;padding:10px 0 18px;overflow:visible}[data-mobile] .tree>div{margin-bottom:10px;transform:translate(0);flex-direction:column!important;align-items:center!important}[data-mobile] .tree-line{display:none!important}[data-mobile] .tree>div:nth-child(8n+2){transform:translate(40px)}[data-mobile] .tree>div:nth-child(8n+3){transform:translate(58px)}[data-mobile] .tree>div:nth-child(8n+4){transform:translate(40px)}[data-mobile] .tree>div:nth-child(8n+5){transform:translate(0)}[data-mobile] 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