/* Functional module navigation */
.module-nav{padding:14px 0!important;display:grid;gap:5px}.module-nav a{display:flex!important;align-items:center!important;gap:10px!important;padding:11px 13px!important;border-radius:11px!important;text-decoration:none!important;color:#596078!important;font-weight:700!important}.module-nav a img{width:25px!important;height:25px!important;box-shadow:none!important;border-radius:8px!important}.module-nav a.on{background:linear-gradient(90deg,#eee9ff,#f7f5ff)!important;color:var(--brand)!important}.module-nav a b{margin-left:auto;background:#e8e2ff;color:var(--brand);border-radius:14px;padding:2px 8px;font-size:11px}.eng-side .module-nav{padding:14px 13px!important}.eng-top nav a{text-decoration:none;padding:21px 8px;position:relative}.eng-profile{cursor:default}.eng-top>div{gap:14px!important}

/* Math-only sidebar and page header */
.side-summary{border:1px solid var(--border);border-radius:12px;background:#fff;padding:13px;margin-top:4px;box-shadow:var(--card-shadow)}.side-summary h3{font-size:14px;margin:0 0 6px}.side-summary>p{font-size:11px;color:var(--muted);line-height:1.55;margin:0 0 10px}.side-summary>div{display:flex;justify-content:space-between;font-size:11px;padding-top:7px}.side-summary b{color:var(--brand)}
.page-heading{display:flex;align-items:baseline;gap:12px}.page-heading b{font-size:18px;color:#252a50}.page-heading span{font-size:12px;color:var(--muted)}.top-profile{display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:white;border-radius:20px;padding:6px 13px;font-weight:650}.top-profile img{width:31px;height:31px;border-radius:50%}.mobile-module-nav{display:none}

/* Real quick actions */
.quick-actions{grid-template-columns:repeat(4,1fr) 1.25fr!important}.challenge{display:flex;align-items:center;justify-content:center;gap:8px;text-align:left!important;padding-left:10px!important}.challenge img{position:static!important;width:54px!important;height:54px!important}.challenge b{color:var(--brand);font-size:16px!important}

/* Selectable question cards */
.q-check-wrap{width:19px;height:19px;display:block;position:relative;flex:0 0 auto}.q-check-wrap input{position:absolute;opacity:0}.q-check-wrap span{display:block;width:19px;height:19px;border:1.5px solid #d4d6e4;border-radius:5px;background:#fff}.q-check-wrap input:checked+span{background:var(--brand);border-color:var(--brand)}.q-check-wrap input:checked+span:after{content:'✓';display:grid;place-items:center;color:white;font-size:12px;height:100%}.q-card.selected{border-color:#a899ff!important;box-shadow:0 0 0 3px rgba(108,92,231,.10),var(--module-shadow)!important}.muted-pill{color:#8c90a4!important;background:#f3f4f8!important}.q-answer-preview{background:#f8f7fd;border-radius:9px;padding:8px 10px;color:#666b82;font-size:11px;line-height:1.55;margin:-5px 0 9px}.q-actions button:first-child{font-weight:700}

/* Batch management */
.batch-bar{display:none;grid-template-columns:minmax(170px,1fr) auto 155px auto auto auto auto;gap:8px;align-items:center;border:1px solid #dcd5ff;background:linear-gradient(90deg,#f5f2ff,#fff);border-radius:13px;padding:10px 12px;margin:0 0 13px;box-shadow:var(--card-shadow)}.batch-bar.show{display:grid}.batch-bar>div b,.batch-bar>div span{display:block}.batch-bar>div b{color:var(--brand);font-size:14px}.batch-bar>div span{color:var(--muted);font-size:10px;margin-top:3px}.batch-bar button,.batch-bar select{border:1px solid var(--border);background:white;border-radius:9px;padding:8px 10px;color:#555b75;font-size:11px}.batch-bar .danger{color:var(--danger);border-color:#ffd5d5}.batch-bar .ghost{color:#777b90}

/* Dialogs and paper builder */
.modal header>div h2{margin:0}.modal header>div p{margin:5px 0 0;color:var(--muted);font-size:12px}.compact-modal{width:min(500px,92vw)}.check-label{display:flex!important;align-items:center;gap:9px}.check-label input{width:auto!important;margin:0!important}.paper-source-note{font-size:12px;color:var(--muted);background:#f7f5ff;border-radius:9px;padding:9px;margin-top:12px}.paper-overlay{overflow:auto;align-items:flex-start!important;padding:20px}.paper-shell{width:min(920px,96vw);margin:auto}.paper-actions{position:sticky;top:0;z-index:2;display:flex;justify-content:flex-end;gap:8px;padding:10px;background:rgba(245,243,255,.92);backdrop-filter:blur(12px);border-radius:12px;margin-bottom:10px}.paper-actions button{border:0;border-radius:9px;padding:10px 16px;background:white;color:var(--brand);font-weight:700}.paper-actions button:last-child{background:var(--brand);color:white}.paper-content{background:white;min-height:1120px;padding:58px 70px;box-shadow:0 20px 60px rgba(25,22,55,.2);color:#151515}.paper-title{text-align:center;border-bottom:2px solid #222;padding-bottom:18px}.paper-title h1{font-size:28px;margin:0 0 24px}.paper-title>div{display:flex;justify-content:space-between;font-size:14px}.paper-question-list article{padding:20px 0;page-break-inside:avoid}.paper-question-list h3{font-size:16px;line-height:1.7;margin:0}.paper-question-list small{color:#777}.answer-space{height:96px;border-bottom:1px dashed #bbb}.paper-answers{border-top:2px solid #222;margin-top:24px;padding-top:20px;page-break-before:always}.paper-answers article{padding:10px 0;line-height:1.7}.paper-answers small{display:block;color:#777;margin-left:24px}

@media(max-width:1180px){.batch-bar{grid-template-columns:repeat(3,minmax(0,1fr))}.batch-bar>div{grid-column:1/-1}.batch-bar button,.batch-bar select{width:100%}}
@media(max-width:820px){
  .side{display:none!important}.app-shell{display:block!important}.math-main{margin-left:0!important}.math-top{display:flex!important;justify-content:space-between!important;gap:8px!important}.page-heading span{display:none}.mobile-module-nav{display:flex;align-items:center;gap:3px;background:#f4f1ff;border-radius:18px;padding:3px}.mobile-module-nav a{text-decoration:none;color:#74798f;border-radius:15px;padding:6px 10px;font-size:12px;font-weight:700}.mobile-module-nav a.on{background:white;color:var(--brand);box-shadow:var(--card-shadow)}.top-profile{padding:4px 8px;font-size:0}.top-profile img{width:30px;height:30px}.quick-actions{grid-template-columns:repeat(2,1fr)!important}.batch-bar{grid-template-columns:1fr 1fr}.batch-bar>div{grid-column:1/-1}.paper-content{padding:35px 24px}.paper-title>div{gap:10px;font-size:11px}
  .eng-top nav a{display:block!important;padding:17px 7px!important;font-size:12px!important}.eng-top nav{gap:2px!important}
}
@media print{body.printing-paper .app-shell,body.printing-paper .overlay:not(#paperOverlay),body.printing-paper .paper-actions,body.printing-paper .toast{display:none!important}body.printing-paper #paperOverlay{display:block!important;position:static!important;background:white!important;padding:0!important}body.printing-paper .paper-shell{width:100%!important}body.printing-paper .paper-content{box-shadow:none!important;min-height:auto!important;padding:15mm!important}.paper-question-list article{page-break-inside:avoid}}