:root{--navy:#07182f;--navy2:#0b274b;--navy3:#0f335f;--blue:#1168ff;--cyan:#18d7ff;--gold:#e6b94b;--gold2:#f2d47a;--bg:#f4f7fb;--text:#17243a;--muted:#718096;--white:#fff;--line:#e2e8f0;--danger:#d94c4c;--success:#16996a;--warning:#b7791f;--purple:#7654d9;--shadow:0 14px 36px rgba(13,35,67,.08);--shadow2:0 20px 48px rgba(4,24,49,.16)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"Segoe UI",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.45}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}.app-shell{display:flex;min-height:100vh}.sidebar{width:270px;background:radial-gradient(circle at 15% 0,rgba(24,215,255,.12),transparent 25%),linear-gradient(180deg,#051326,#08203d 68%,#06172d);color:#d9e7fb;position:fixed;inset:0 auto 0 0;padding:18px 13px;display:flex;flex-direction:column;z-index:30;border-right:1px solid rgba(24,215,255,.13);box-shadow:10px 0 30px 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var(--line);border-radius:15px;padding:17px;display:flex;align-items:center;gap:14px;box-shadow:var(--shadow);position:relative;overflow:hidden}.stat:after{content:"";position:absolute;width:60px;height:60px;border-radius:50%;background:rgba(17,104,255,.04);right:-17px;top:-18px}.stat>span{font-size:27px}.stat b{display:block;font-size:25px;color:var(--navy)}.stat small{color:var(--muted);font-size:11px}.welcome-card,.class-hero,.lesson-hero{background:radial-gradient(circle at 88% 20%,rgba(24,215,255,.19),transparent 25%),linear-gradient(125deg,#06172d,#0b2b55);color:#fff;border-radius:19px;padding:25px 29px;display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden;box-shadow:var(--shadow2);border:1px solid rgba(230,185,75,.16)}.welcome-card:after,.class-hero:after,.lesson-hero:after{content:"";position:absolute;width:280px;height:280px;border:1px solid rgba(24,215,255,.16);border-radius:50%;right:-95px;top:-155px}.welcome-card h2,.class-hero 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20px}.progress-track{height:8px;background:#eaf0f6;border-radius:999px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:999px}.kpi-mini{display:flex;gap:14px;flex-wrap:wrap}.kpi-mini span{padding:7px 10px;border-radius:9px;background:#f2f6fa;font-size:11px;color:#526980}.timeline{position:relative;padding-left:28px}.timeline:before{content:"";position:absolute;left:8px;top:7px;bottom:7px;width:2px;background:#dbe6f1}.timeline-item{position:relative;padding:0 0 15px}.timeline-item:before{content:"";position:absolute;left:-24px;top:5px;width:10px;height:10px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 4px #e8f1ff}.badge-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.badge-card{text-align:center}.badge-card .badge-icon{font-size:38px}.badge-card h4{margin:8px 0 4px}.notice-card{border-left:4px solid var(--blue)}.notice-card h4{margin:0 0 6px}.notice-card p{margin:0;color:#53677f}.score-ring{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--blue) var(--score,0%),#e8eef5 0);position:relative}.score-ring:before{content:"";position:absolute;inset:8px;border-radius:50%;background:#fff}.score-ring b{position:relative;font-size:20px}.login-body{background:#051326}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr}.login-art{padding:50px 7vw;background:radial-gradient(circle at 80% 25%,rgba(24,215,255,.16),transparent 30%),radial-gradient(circle at 12% 85%,rgba(230,185,75,.11),transparent 25%),linear-gradient(145deg,#051326,#0b2c56);color:#fff;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center}.login-art:before{content:"</>";position:absolute;right:-20px;bottom:-60px;font-size:260px;font-weight:900;color:rgba(255,255,255,.025)}.login-brand{display:flex;align-items:center;gap:14px;margin-bottom:30px}.login-brand img{width:62px;height:62px;object-fit:contain;background:#fff;border-radius:17px;padding:4px}.login-art h1{font-size:43px;line-height:1.05;margin:0 0 13px;max-width:650px}.login-art h1 span{color:var(--gold2)}.login-art p{color:#a9c2de;max-width:600px}.feature-pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.feature-pills span{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);padding:7px 10px;border-radius:999px;font-size:10px}.login-panel{background:#f7f9fc;display:flex;align-items:center;justify-content:center;padding:30px}.login-card{width:min(430px,100%);background:#fff;border:1px solid #e0e7ef;border-radius:20px;padding:30px;box-shadow:0 24px 60px rgba(5,22,44,.16)}.login-card h2{margin:4px 0 6px}.login-card>p{color:var(--muted);font-size:12px;margin:0 0 20px}.login-card label{margin-bottom:12px}.demo-box{margin-top:17px;background:#f3f7fb;border-radius:12px;padding:12px;font-size:10px;color:#5c7088}.demo-box code{background:#e7eef7;padding:2px 5px;border-radius:5px}.public-body{background:linear-gradient(135deg,#07182f,#0b2b55);min-height:100vh}.public-wrap{max-width:850px;margin:auto;padding:8vh 20px}.verify-card{background:#fff;border-radius:20px;padding:30px;box-shadow:0 25px 60px rgba(0,0,0,.2)}.print-body{background:#e5e7eb;padding:20px}.certificate{width:1120px;max-width:100%;aspect-ratio:1.414/1;margin:auto;background:#fff;position:relative;padding:52px 68px;border:12px solid #07182f;outline:3px solid #d5a83c;outline-offset:-19px;overflow:hidden}.certificate:before{content:"";position:absolute;inset:28px;border:1px solid #d5a83c;pointer-events:none}.cert-top{display:flex;justify-content:space-between;align-items:flex-start;position:relative;z-index:1}.cert-school{display:flex;gap:15px;align-items:center}.cert-school img{width:78px;height:78px;object-fit:contain}.cert-school h3{margin:0;color:#0b2b55;font-size:23px}.cert-school p{margin:3px 0 0;font-size:10px;max-width:330px}.cert-number{font-size:11px;margin-top:12px}.cert-main{text-align:center;position:relative;z-index:1;margin-top:25px}.cert-main h1{font-family:Georgia,serif;color:#b07c19;font-size:32px;margin:0;text-transform:uppercase}.cert-main h2{font-size:16px;letter-spacing:4px;color:#0b2b55;margin:5px 0 4px}.cert-main .subtitle{font-style:italic;color:#274462;font-size:14px}.cert-main .recipient-label{margin-top:20px;font-size:12px}.cert-main .recipient{font-family:Georgia,serif;color:#b07c19;font-size:34px;margin:4px 0 12px;border-bottom:1px solid #d8b55e;padding-bottom:10px}.cert-desc{max-width:800px;margin:0 auto;font-size:12px;line-height:1.65}.cert-footer{display:grid;grid-template-columns:1fr 170px 1fr;gap:25px;align-items:end;margin-top:30px;position:relative;z-index:1;text-align:center}.sig-line{border-top:1px solid #b99034;padding-top:8px;font-size:11px}.seal{width:125px;height:125px;border-radius:50%;margin:auto;background:radial-gradient(circle,#f6dd8b,#b57b16);border:5px double #8f5e0e;display:grid;place-items:center;font-weight:900;color:#5f3b04;font-family:Georgia,serif}.watermark{position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);width:360px;opacity:.065;filter:grayscale(1);z-index:0}@media print{body.print-body{padding:0;background:#fff}.certificate{width:100%;height:auto;box-shadow:none;margin:0}.no-print{display:none!important}@page{size:A4 landscape;margin:0}}
@media(max-width:1180px){.stats-grid{grid-template-columns:repeat(2,1fr)}.grid-3,.cards-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.badge-grid{grid-template-columns:repeat(3,1fr)}.roadmap{grid-template-columns:repeat(2,1fr)}}@media(max-width:900px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar-open .sidebar{transform:translateX(0)}.sidebar-open .sidebar-overlay{display:block;position:fixed;inset:0;background:rgba(3,14,29,.55);z-index:25}.sidebar-close{display:block}.main{margin-left:0;width:100%}.icon-btn{display:block}.topbar{padding:13px 18px}.content{padding:20px 17px 40px}.login-wrap{grid-template-columns:1fr}.login-art{display:none}.grid-2{grid-template-columns:1fr}.grade-form{grid-template-columns:1fr 1fr}.user-meta{display:none}}@media(max-width:620px){.stats-grid,.grid-3,.cards-3,.grid-4,.badge-grid,.roadmap{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.span-2,.span-3{grid-column:auto}.topbar h1{font-size:18px}.page-kicker{display:none}.top-actions .quick-link{display:none}.welcome-card,.class-hero,.lesson-hero{padding:20px}.big-icon{font-size:42px}.lesson-card{grid-template-columns:44px 1fr}.lesson-card .arrow{display:none}.resource-card{grid-template-columns:1fr}.resource-card img{width:100%;height:200px}.row-form select{min-width:100%}.certificate{padding:35px 42px}.cert-main h1{font-size:24px}.cert-main .recipient{font-size:27px}}

/* v2.1 — Digital Library / Flipbook / Spreadsheet Import */
.book-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.book-card{display:grid;grid-template-columns:190px 1fr;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);position:relative}.book-card.teacher{border-top:3px solid #d6a42e}.book-card.student{border-top:3px solid var(--cyan)}.book-cover-wrap{position:relative;background:linear-gradient(145deg,#07182f,#123c6a);min-height:280px;display:flex;align-items:center;justify-content:center;padding:16px}.book-cover{width:158px;height:224px;object-fit:cover;border-radius:4px;box-shadow:0 20px 34px rgba(0,0,0,.3);transition:.2s}.book-card:hover .book-cover{transform:translateY(-4px) rotate(-1deg)}.book-badge{position:absolute;left:12px;top:12px;background:rgba(7,24,47,.88);color:#fff;border:1px solid rgba(255,255,255,.2);font-size:9px;font-weight:900;letter-spacing:.8px;padding:7px 9px;border-radius:999px}.book-pages{position:absolute;right:12px;bottom:12px;background:rgba(255,255,255,.9);color:#173a60;font-weight:800;font-size:9px;padding:6px 8px;border-radius:999px}.book-card-body{padding:22px;display:flex;flex-direction:column;justify-content:center}.book-card-body h2{margin:6px 0 8px;color:#0b2b55;font-size:20px;line-height:1.25}.book-card-body p{line-height:1.6}.book-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.reader-page{max-width:1450px;margin:auto}.reader-topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}.reader-topbar h2{margin:4px 0 3px}.reader-topbar p{margin:0}.reader-actions{display:flex;gap:8px;flex-wrap:wrap}.flipbook-shell{background:radial-gradient(circle at 50% 0,rgba(24,215,255,.09),transparent 30%),linear-gradient(145deg,#041225,#0b2b55);border-radius:22px;padding:15px;border:1px solid #183e68;box-shadow:0 26px 70px rgba(4,18,37,.23);position:relative}.flipbook-toolbar{height:54px;display:flex;align-items:center;justify-content:center;gap:18px;color:#d8e9fb}.flip-nav{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07);color:#fff;font-size:29px;line-height:1;cursor:pointer;transition:.15s}.flip-nav:hover{background:var(--blue);transform:scale(1.05)}.flipbook-page-control{display:flex;align-items:center;gap:8px;font-size:11px}.flipbook-page-control input{width:74px;text-align:center;padding:8px;background:#fff;border:0;border-radius:9px;font-weight:900;color:#0b2b55}.flipbook-stage{min-height:760px;display:grid;place-items:center;perspective:1800px;position:relative;overflow:hidden;border-radius:15px;background:linear-gradient(90deg,#031020 0,#102944 49.5%,#07182f 50%,#102944 50.5%,#031020 100%)}.book-spine{position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.18),transparent);z-index:0}.pdf-page-frame{height:min(82vh,810px);width:min(92%,620px);background:#fff;box-shadow:0 28px 70px rgba(0,0,0,.45);transform-style:preserve-3d;position:relative;border-radius:4px;overflow:hidden;transition:transform .24s ease}.pdf-page-frame iframe{width:100%;height:100%;border:0;background:#fff}.turning-sheet{pointer-events:none;position:absolute;inset:0;z-index:4;opacity:0;transform-origin:left center;background:linear-gradient(90deg,rgba(255,255,255,.98),rgba(232,238,246,.95));backface-visibility:hidden}.turning-sheet.turn-next{animation:flipNext .52s ease-in-out}.turning-sheet.turn-prev{transform-origin:right center;animation:flipPrev .52s ease-in-out}.page-pop{animation:pagePop .27s ease}.turning-glow{position:absolute;inset:0;background:linear-gradient(90deg,transparent 50%,rgba(0,0,0,.14));opacity:.7}@keyframes flipNext{0%{opacity:0;transform:rotateY(0)}15%{opacity:1}50%{opacity:1;transform:rotateY(-90deg);box-shadow:18px 0 30px rgba(0,0,0,.28)}100%{opacity:0;transform:rotateY(-179deg)}}@keyframes flipPrev{0%{opacity:0;transform:rotateY(0)}15%{opacity:1}50%{opacity:1;transform:rotateY(90deg);box-shadow:-18px 0 30px rgba(0,0,0,.28)}100%{opacity:0;transform:rotateY(179deg)}}@keyframes pagePop{0%{transform:scale(.985)}100%{transform:scale(1)}}.flipbook-footer{display:flex;justify-content:space-between;gap:10px;color:#9ebbd8;font-size:10px;padding:12px 7px 1px}.reader-security{color:#e1c06a}.flipbook-shell:fullscreen{border-radius:0;padding:10px;width:100vw;height:100vh}.flipbook-shell:fullscreen .flipbook-stage{min-height:calc(100vh - 110px)}.flipbook-shell:fullscreen .pdf-page-frame{height:calc(100vh - 125px);width:min(90vw,690px)}
.import-hub{border-top:3px solid var(--blue)}.import-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.import-panel{border:1px solid var(--line);border-radius:15px;padding:17px;background:#f9fbfe}.import-panel h4{margin:3px 0 6px;color:#0b2b55}.import-panel p{min-height:40px}.import-panel form{display:flex;flex-direction:column;gap:10px}.import-panel label{display:flex;flex-direction:column;gap:6px;font-size:10px;font-weight:800;color:#51677f}.import-icon{width:40px;height:40px;border-radius:12px;background:#eaf3ff;display:grid;place-items:center;font-size:20px}.template-strip{margin-top:14px;display:flex;justify-content:space-between;align-items:center;gap:12px;background:linear-gradient(90deg,#07182f,#0d3a69);color:#fff;border-radius:14px;padding:14px 16px}.template-strip small{display:block;color:#abc2db;margin-top:4px}.import-note{margin-top:11px;font-size:10px;line-height:1.6;color:#526980;background:#f5f8fb;border-radius:12px;padding:11px}.import-note span{display:block;color:#17704e;margin-top:3px;font-weight:700}
@media(max-width:1100px){.book-library-grid{grid-template-columns:1fr}.flipbook-stage{min-height:680px}.pdf-page-frame{height:680px}}@media(max-width:760px){.book-card{grid-template-columns:125px 1fr}.book-cover-wrap{min-height:230px;padding:10px}.book-cover{width:108px;height:155px}.book-card-body{padding:15px}.book-card-body h2{font-size:16px}.reader-topbar{align-items:flex-start;flex-direction:column}.import-grid{grid-template-columns:1fr}.template-strip{align-items:flex-start;flex-direction:column}.flipbook-stage{min-height:560px}.pdf-page-frame{height:560px;width:96%}.flipbook-footer{flex-direction:column}.reader-actions{width:100%}}@media(max-width:520px){.book-card{grid-template-columns:1fr}.book-cover-wrap{min-height:220px}.book-cover{width:138px;height:195px}.flipbook-stage{min-height:470px}.pdf-page-frame{height:470px}.flipbook-toolbar{gap:8px}.flipbook-page-control{font-size:9px}.flipbook-page-control input{width:58px}}


/* v2.2.0 — Kurikulum resmi, book management, sound flipbook */
.official-hero{display:grid;grid-template-columns:1fr 190px;gap:24px;align-items:center;padding:28px;border-radius:22px;background:radial-gradient(circle at 80% 20%,rgba(24,215,255,.2),transparent 28%),linear-gradient(135deg,#07182f,#0b2b55);color:#fff;border:1px solid #173f6b;box-shadow:var(--shadow);margin-bottom:18px}.official-hero h2{font-size:30px;margin:6px 0 8px;color:#fff}.official-hero p{color:#c6d9ec;line-height:1.65}.official-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.official-emblem{width:150px;height:150px;border-radius:50%;justify-self:center;display:grid;place-items:center;align-content:center;border:2px solid #d9ad42;background:radial-gradient(circle,#173f6b,#07182f);box-shadow:0 0 0 8px rgba(217,173,66,.09),0 22px 50px rgba(0,0,0,.25)}.official-emblem span{font-size:50px;font-weight:900;color:#e4bd59}.official-emblem small{font-weight:900;letter-spacing:1.4px;color:#cfe4f5}.official-info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.official-chapters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.official-chapter{padding:0;overflow:hidden}.official-chapter-head{display:flex;gap:14px;align-items:center;padding:18px;border-bottom:1px solid var(--line);background:#f7fbff}.official-chapter-head h3{margin:2px 0}.chapter-no{min-width:62px;height:62px;border-radius:15px;display:grid;place-items:center;background:#0b2b55;color:#fff;font-size:12px;font-weight:900}.official-unit-list{padding:8px}.official-unit{display:grid;grid-template-columns:70px 1fr 24px;gap:10px;align-items:center;padding:13px 12px;border-radius:12px;text-decoration:none;color:#173a60;border:1px solid transparent}.official-unit:hover{background:#eef7ff;border-color:#cfe6fb}.atp-no{font-size:10px;font-weight:900;color:#1168ff}.unit-title{font-weight:750;line-height:1.35}.unit-arrow{font-size:18px}.official-detail-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:16px}.official-primary-card{border-top:4px solid #d8ac3e}.source-chip{display:inline-block;margin-top:16px;border-radius:999px;padding:7px 10px;background:#fff5d8;color:#886315;font-weight:800;font-size:10px}.sound-toggle.is-on{border-color:#d6a42e;color:#9a721a}.book-unpublished{opacity:.76}.draft-ribbon{position:absolute;right:-31px;top:19px;transform:rotate(42deg);width:120px;text-align:center;background:#9b2c2c;color:#fff;padding:6px;font-size:9px;font-weight:900;letter-spacing:1px}.book-shadow-left,.book-shadow-right{position:absolute;top:7%;bottom:7%;width:18%;filter:blur(12px);opacity:.35;pointer-events:none}.book-shadow-left{left:12%;background:radial-gradient(ellipse at right,rgba(0,0,0,.55),transparent 68%)}.book-shadow-right{right:12%;background:radial-gradient(ellipse at left,rgba(0,0,0,.55),transparent 68%)}.form-card small{display:block;margin-top:6px;color:#718096;line-height:1.4}.check-row{display:flex!important;gap:8px;align-items:center;margin:14px 0}.check-row input{width:auto!important}.inline-form{display:inline}.btn-danger{background:#fff0f0!important;color:#a32626!important;border-color:#f2c4c4!important}
@media(max-width:1100px){.official-detail-grid{grid-template-columns:1fr}.official-info-grid{grid-template-columns:1fr}.official-chapters{grid-template-columns:1fr}}
@media(max-width:720px){.official-hero{grid-template-columns:1fr}.official-emblem{width:110px;height:110px}.official-emblem span{font-size:38px}.official-hero h2{font-size:24px}.official-unit{grid-template-columns:60px 1fr 18px}}