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form{display:grid;gap:14px}.login-help{display:flex;justify-content:center;gap:8px;margin-top:18px;color:var(--muted);font-size:.8rem}.success-box{text-align:center}.credentials{display:inline-block;text-align:left;padding:14px;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.03);margin:12px}.install-note{margin-top:20px;padding:14px;border:1px solid var(--line);border-radius:14px;color:var(--muted)}code{background:rgba(255,255,255,.06);padding:2px 5px;border-radius:5px}
@media (max-width:1100px){:root{--side:230px}.assignment-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.class-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.question-list{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-layout{grid-template-columns:180px 1fr}}
@media (max-width:820px){.app-shell{display:block}.sidebar{transform:translateX(-105%);transition:.25s;width:min(300px,88vw)}.sidebar.open{transform:none}.main{width:100%}.iconbtn{display:inline-flex}.content{padding:18px}.topbar{padding:0 16px}.top-actions .ghost{display:none}.hero.compact,.page-head,.section-head{align-items:flex-start;flex-direction:column}.split,.form-split,.auth-wrap,.qr-card{grid-template-columns:1fr}.assignment-grid,.class-cards{grid-template-columns:1fr}.lesson-layout{grid-template-columns:1fr}.lesson-nav{position:static;display:flex;overflow:auto;padding-bottom:5px}.lesson-nav button,.lesson-nav a{white-space:nowrap}.quran-header{flex-direction:column}.auth-visual{display:none}.podium{grid-template-columns:1fr}.place.p1{transform:none}.cert-border{padding:30px 18px}.cert-foot{position:static;margin-top:40px;gap:15px;flex-direction:column}.certificate h2{font-size:1.8rem}.legend{display:none}.toolbar{align-items:flex-start;flex-direction:column}.match-game{grid-template-columns:1fr}}
@media (max-width:560px){.metric-grid{grid-template-columns:1fr 1fr;gap:10px}.metric{padding:14px;grid-template-columns:auto 1fr}.metric>span{width:35px;height:35px}.metric b{font-size:1.25rem}.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.concept-grid{grid-template-columns:1fr}.assignment-list article{align-items:flex-start;flex-wrap:wrap}.assignment-list .grow{width:calc(100% - 30px)}.quiz-stage{padding:17px}.quiz-nav{justify-content:space-between}.quiz-nav button{flex:1}.lesson-head{align-items:flex-start}.lesson-score{display:none}.content{padding:14px}.arabic{font-size:1.75rem}.visual-grid{grid-template-columns:1fr}.topbar small{display:none}}
@media print{body{background:white}.sidebar,.topbar,.page-head,.primary,.ghost,.button{display:none!important}.main{grid-column:1}.content{padding:0}.certificate{box-shadow:none;margin:0;max-width:none}.cert-border{min-height:95vh}}

/* ===== V4 Professional Learning Library ===== */
:root{--glass:rgba(13,28,24,.74);--gold:#e6c76f;--emerald:#79ddb7;--ink:#06100d;--soft:#d8e8e1}
.top-create{display:inline-flex;align-items:center;gap:8px;padding:9px 13px;border-radius:12px;background:rgba(219,182,92,.13);border:1px solid rgba(219,182,92,.28);color:#f0d486;font-weight:800}.top-create:hover{background:rgba(219,182,92,.2)}
.mobile-nav{display:none}.material-hero,.question-hero,.student-library-hero{position:relative;overflow:hidden;isolation:isolate}.material-hero:after,.question-hero:after,.student-library-hero:after{content:"";position:absolute;width:430px;height:430px;border-radius:50%;right:-180px;top:-250px;background:radial-gradient(circle,rgba(230,199,111,.22),transparent 68%);z-index:-1}.hero-visual,.assessment-visual,.library-orb{min-width:180px;display:grid;place-items:center}.stack-card{width:180px;height:145px;position:relative;display:grid;place-items:center;border-radius:24px;background:linear-gradient(145deg,rgba(255,255,255,.09),rgba(255,255,255,.02));border:1px solid rgba(255,255,255,.12);box-shadow:0 30px 60px rgba(0,0,0,.3)}.stack-card span{position:absolute;font-size:.65rem;font-weight:900;letter-spacing:.12em;border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:8px;background:#122920}.stack-card span:nth-child(1){top:15px;left:-16px;transform:rotate(-6deg);color:#efc96d}.stack-card span:nth-child(2){right:-16px;top:30px;transform:rotate(7deg);color:#88e4bf}.stack-card span:nth-child(3){bottom:20px;left:10px;color:#a6d2ff}.stack-card b{max-width:110px;text-align:center}.assessment-visual{width:210px;height:150px;border-radius:28px;border:1px solid rgba(255,255,255,.1);background:linear-gradient(145deg,rgba(31,72,58,.85),rgba(8,22,18,.5));box-shadow:var(--shadow);align-content:center;gap:5px}.assessment-visual>span{font-size:3.2rem;color:var(--accent)}.assessment-visual small{color:var(--muted)}
.smart-toolbar{position:sticky;top:88px;z-index:20;background:rgba(7,18,15,.82);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:18px;padding:12px;margin:20px 0}.searchbox{display:flex;align-items:center;gap:8px;padding:9px 12px;background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:12px;min-width:min(320px,100%)}.searchbox input{border:0!important;background:transparent!important;padding:0!important;outline:0;color:var(--text);width:100%}
.material-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.resource-card{border:1px solid var(--line);background:linear-gradient(160deg,rgba(17,35,30,.96),rgba(10,22,18,.9));border-radius:22px;overflow:hidden;box-shadow:0 15px 45px rgba(0,0,0,.13);transition:.2s}.resource-card:hover{transform:translateY(-3px);border-color:rgba(121,221,183,.25);box-shadow:0 20px 55px rgba(0,0,0,.23)}.resource-cover{height:118px;display:flex;align-items:flex-start;justify-content:space-between;padding:16px;background:linear-gradient(135deg,#183c31,#10251f);position:relative;overflow:hidden}.resource-cover:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-55px;bottom:-90px;background:rgba(255,255,255,.06)}.resource-cover span{font-size:.65rem;letter-spacing:.12em;font-weight:900;padding:7px 9px;border-radius:9px;background:rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.08)}.resource-cover i{font-style:normal;font-size:2.1rem;color:var(--accent)}.kind-pdf{background:linear-gradient(135deg,#462826,#1c2924)}.kind-video{background:linear-gradient(135deg,#183b4a,#13251f)}.kind-audio{background:linear-gradient(135deg,#392850,#15251f)}.kind-image{background:linear-gradient(135deg,#24483b,#13251f)}.kind-html{background:linear-gradient(135deg,#4b3c1d,#18251f)}.kind-office{background:linear-gradient(135deg,#24405b,#15251f)}.kind-link{background:linear-gradient(135deg,#225146,#12231d)}.resource-body{padding:18px}.resource-body h3,.student-resource h3{margin:10px 0 8px;font-size:1.05rem}.resource-body p,.student-resource p{color:var(--muted);line-height:1.55;min-height:48px}.resource-tags{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.status-pill,.preview-pill{display:inline-flex;align-items:center;padding:5px 8px;border-radius:999px;font-size:.68rem;font-weight:900}.status-pill.published{background:rgba(117,211,165,.12);color:#9cebc5}.status-pill.draft{background:rgba(255,255,255,.06);color:#aab9b3}.preview-pill{background:rgba(230,199,111,.1);color:#efd78d}.resource-meta{display:flex;justify-content:space-between;gap:12px;color:#8da69c;font-size:.75rem;margin:14px 0;min-width:0}.resource-meta span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.danger-btn{border:1px solid rgba(226,123,123,.28);background:rgba(226,123,123,.07);color:#efabab;border-radius:11px}.danger-btn:hover{background:rgba(226,123,123,.14)}
.xl-dialog{width:min(980px,94vw)}dialog.xl-dialog::backdrop,dialog::backdrop{background:rgba(0,0,0,.68);backdrop-filter:blur(5px)}.dialog-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.secure-badge{font-size:.75rem;color:#9ddbc2;background:rgba(117,211,165,.08);border:1px solid rgba(117,211,165,.18);border-radius:999px;padding:8px 10px}.editor-block{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:rgba(0,0,0,.13)}.editor-toolbar{display:flex;gap:6px;padding:8px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.025);flex-wrap:wrap}.editor-toolbar button{border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text);border-radius:8px;padding:6px 9px}.rich-editor{min-height:180px;padding:18px;outline:none;line-height:1.7}.rich-editor:empty:before{content:attr(data-placeholder);color:#6f877d}.upload-zone{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px;border:1px dashed rgba(121,221,183,.3);border-radius:16px;background:rgba(121,221,183,.035)}.upload-zone>div{display:grid;gap:5px}.upload-zone input{max-width:360px}.check-label{display:flex!important;align-items:center!important;gap:10px!important;padding-top:29px}.check-label input{width:auto!important}.template-callout{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;padding:14px;border-radius:15px;background:rgba(230,199,111,.06);border:1px solid rgba(230,199,111,.15);margin:12px 0}.template-callout>span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:rgba(230,199,111,.13);color:var(--accent);font-weight:900}.template-callout>div{display:grid}.explanation-preview{margin:12px 0;padding:10px 12px;border-radius:11px;background:rgba(121,221,183,.05);color:#b9cec5;font-size:.82rem}.tag.diff-mudah{color:#9cebc5}.tag.diff-sedang{color:#efd78d}.tag.diff-sulit{color:#f2aaaa}
.library-orb{width:150px;height:150px;border-radius:50%;border:1px solid rgba(230,199,111,.27);background:radial-gradient(circle at 35% 30%,rgba(230,199,111,.18),rgba(0,0,0,.12));box-shadow:inset 0 0 50px rgba(230,199,111,.04),0 25px 70px rgba(0,0,0,.25);align-content:center}.library-orb>span{font-size:2.6rem;color:var(--accent)}.library-orb b{font-size:1.4rem}.library-section{margin-top:28px}.student-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.student-resource{display:grid;grid-template-columns:120px 1fr;min-height:170px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:linear-gradient(150deg,rgba(17,35,30,.93),rgba(10,22,18,.92));transition:.2s}.student-resource:hover{transform:translateY(-3px);border-color:rgba(230,199,111,.23)}.student-resource-cover{padding:15px;display:flex;flex-direction:column;justify-content:space-between;background:linear-gradient(145deg,#193c32,#10241e)}.student-resource-cover span{font-size:.6rem;font-weight:900;letter-spacing:.12em;color:#d9e8e1}.student-resource-cover i{font-style:normal;font-size:2.2rem;color:var(--accent)}.student-resource>div:last-child{padding:17px}.student-resource p{min-height:0}.premium-card{position:relative;overflow:hidden}.premium-card:after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;right:-60px;top:-60px;background:rgba(230,199,111,.06)}.empty-state-pro{text-align:center;padding:70px 25px;border:1px dashed var(--line);border-radius:24px;margin-top:25px;background:rgba(255,255,255,.018)}.empty-state-pro>span{font-size:3rem;color:var(--accent)}.empty-state-pro p{color:var(--muted)}
.viewer-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:22px}.viewer-head h1{margin:10px 0}.viewer-head p{max-width:850px;color:var(--muted)}.viewer-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.viewer-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px}.viewer-main{min-width:0}.reading-surface,.media-surface,.link-surface,.side-info,.learning-tip{border:1px solid var(--line);border-radius:22px;background:linear-gradient(150deg,rgba(17,35,30,.94),rgba(9,21,17,.94));box-shadow:0 15px 50px rgba(0,0,0,.12)}.reading-surface{padding:clamp(20px,3vw,38px);margin-bottom:18px}.reading-label{text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-size:.7rem;font-weight:900;margin-bottom:16px}.prose-content{font-size:1.03rem;line-height:1.85;color:#e6f0ec}.prose-content h2,.prose-content h3{color:#fff;margin-top:1.7em}.prose-content blockquote{margin:18px 0;padding:14px 18px;border-left:3px solid var(--accent);background:rgba(230,199,111,.055);border-radius:0 12px 12px 0}.prose-content table{width:100%;border-collapse:collapse}.prose-content th,.prose-content td{padding:10px;border:1px solid var(--line)}.media-surface{overflow:hidden;margin-bottom:18px}.media-toolbar{padding:13px 16px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;align-items:center}.media-toolbar>div{display:grid}.pdf-viewer,.html-viewer,.text-file iframe{width:100%;height:min(72vh,850px);border:0;background:#fff}.image-viewer{padding:18px;display:grid;place-items:center;background:#091411}.image-viewer img{max-width:100%;max-height:78vh;border-radius:14px;object-fit:contain}.video-viewer{display:block;width:100%;max-height:76vh;background:#000}.audio-viewer{min-height:230px;display:grid;place-items:center;align-content:center;gap:16px;background:radial-gradient(circle at center,rgba(121,221,183,.08),transparent 45%)}.audio-viewer>span{font-size:4rem;color:var(--accent)}.audio-viewer audio{width:min(600px,88%)}.office-preview{padding:22px}.office-preview+ .office-preview{border-top:1px solid var(--line)}.office-preview pre{white-space:pre-wrap;font:inherit;line-height:1.75;color:#dbe8e3}.table-scroll{overflow:auto}.office-preview table{border-collapse:collapse;width:100%;font-size:.85rem}.office-preview th,.office-preview td{border:1px solid var(--line);padding:8px;min-width:110px}.office-preview th{background:#17342b}.file-fallback{text-align:center;padding:60px 20px}.file-fallback>span{font-size:3rem;color:var(--accent)}.link-surface{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:15px;padding:16px}.link-surface>span{font-size:1.6rem;color:var(--accent)}.link-surface p{margin:3px 0 0;color:var(--muted);word-break:break-all}.viewer-side{display:grid;gap:16px;align-content:start}.side-info,.learning-tip{padding:20px;position:sticky;top:100px}.side-info .unit-icon{margin-bottom:15px}.side-info p,.learning-tip p{color:var(--muted);line-height:1.6}.side-info hr{border:0;border-top:1px solid var(--line);margin:18px 0}.side-info dl{display:grid;gap:12px}.side-info dl div{display:flex;justify-content:space-between;gap:12px}.side-info dt{color:var(--muted)}.side-info dd{margin:0;text-align:right}.learning-tip{position:static;background:rgba(230,199,111,.045)}
@media (max-width:1250px){.material-grid,.student-resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.viewer-layout{grid-template-columns:minmax(0,1fr) 250px}}
@media (max-width:820px){body{padding-bottom:72px}.mobile-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;z-index:80;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));border:1px solid rgba(255,255,255,.1);border-radius:18px;background:rgba(8,20,16,.94);backdrop-filter:blur(18px);box-shadow:0 18px 50px rgba(0,0,0,.38);padding:6px}.mobile-nav a{display:grid;place-items:center;gap:2px;padding:6px;border-radius:12px;color:#a9beb5}.mobile-nav a:hover{background:rgba(121,221,183,.07);color:white}.mobile-nav span{font-size:1.15rem}.mobile-nav small{font-size:.65rem}.top-create{display:none}.smart-toolbar{top:82px}.material-grid,.student-resource-grid{grid-template-columns:1fr}.viewer-layout{grid-template-columns:1fr}.viewer-side{order:-1}.side-info{position:static}.viewer-head{flex-direction:column}.dialog-title{flex-direction:column}.upload-zone{align-items:flex-start;flex-direction:column}.upload-zone input{max-width:100%}.template-callout{grid-template-columns:auto 1fr}.template-callout a{grid-column:1/-1}.student-resource{grid-template-columns:105px 1fr}}
@media (max-width:560px){.hero-visual,.assessment-visual,.library-orb{display:none}.smart-toolbar .filters{display:grid;width:100%;grid-template-columns:1fr}.smart-toolbar .filters select,.searchbox{width:100%;min-width:0}.material-grid{gap:12px}.resource-card,.student-resource{border-radius:17px}.student-resource{grid-template-columns:88px 1fr}.student-resource>div:last-child{padding:13px}.student-resource-cover{padding:12px}.student-resource p{font-size:.82rem}.viewer-head h1{font-size:1.65rem}.viewer-actions{width:100%}.viewer-actions .button{flex:1}.media-toolbar{align-items:flex-start;flex-direction:column}.pdf-viewer,.html-viewer,.text-file iframe{height:68vh}.link-surface{grid-template-columns:auto 1fr}.link-surface a{grid-column:1/-1}.prose-content{font-size:.98rem}.xl-dialog{width:96vw}.editor-toolbar{overflow:auto;flex-wrap:nowrap}.editor-toolbar button{white-space:nowrap}}
@media (min-width:1300px){.metric-grid.five{grid-template-columns:repeat(5,minmax(0,1fr))}}
.lesson-resource-list{display:grid;gap:10px}.lesson-resource-item{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;padding:14px;border:1px solid var(--line);border-radius:15px;background:rgba(255,255,255,.025)}.lesson-resource-item:hover{background:rgba(121,221,183,.055);border-color:rgba(121,221,183,.2)}.lesson-resource-item>div{display:grid;gap:3px}.lesson-resource-item small{color:var(--muted)}.lesson-resource-item em{font-style:normal;color:var(--accent);font-size:.8rem}.material-kind-icon{min-width:52px;height:38px;display:grid;place-items:center;border-radius:10px;background:rgba(230,199,111,.08);color:var(--accent);font-size:.6rem;font-weight:900}
@media(max-width:560px){.lesson-resource-item{grid-template-columns:auto 1fr}.lesson-resource-item em{grid-column:2}}
.edit-material-card{max-width:1050px;margin:auto}.edit-material-card form{display:grid;gap:18px}.end-actions{justify-content:flex-end}