*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#f3f7fb;color:#172033}a{text-decoration:none;color:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:245px;background:linear-gradient(180deg,#0b5ed7,#123a7a);color:#fff;padding:22px 14px;overflow:auto}.brand{font-size:25px;font-weight:800;letter-spacing:2px}.side-user{opacity:.8;font-size:13px;margin:5px 8px 20px}.nav a{display:block;padding:11px 12px;border-radius:10px;margin:3px 0;color:#eaf2ff}.nav a:hover{background:rgba(255,255,255,.13)}.main{margin-left:245px;padding:26px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.top h1{margin:0}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.card{background:#fff;border-radius:15px;padding:18px;box-shadow:0 5px 18px #183b5d12;margin-bottom:18px}.stat b{font-size:28px;display:block;margin-top:8px}.muted{color:#68758a}.btn,button{border:0;border-radius:9px;padding:10px 14px;background:#0b5ed7;color:white;cursor:pointer;font-weight:600}.btn.secondary{background:#e8eef7;color:#18304d}.btn.danger{background:#dc3545}.actions{display:flex;gap:8px;flex-wrap:wrap}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px;border-bottom:1px solid #e8edf3;text-align:left}.table th{font-size:13px;color:#637087}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}label{font-size:13px;font-weight:700;display:block;margin-bottom:5px}input,select,textarea{width:100%;padding:11px;border:1px solid #d6dfeb;border-radius:8px;background:#fff}textarea{min-height:110px}.full{grid-column:1/-1}.alert{background:#ffe8e8;color:#9c1c1c;padding:10px;border-radius:8px;margin-bottom:12px}.success{background:#e5f7ed;color:#176b3b;padding:10px;border-radius:8px;margin-bottom:12px}.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#0b5ed7,#72a7ef)}.login-card{width:min(410px,92vw);background:#fff;border-radius:18px;padding:30px;box-shadow:0 18px 50px #002b5a55}.login-card form>*{margin-bottom:12px}.login-card input{margin-bottom:15px}.login-card button{width:100%;padding:12px}.demo{background:#f2f6fb;padding:12px;border-radius:10px;font-size:13px;line-height:1.7;margin-top:10px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e9f2ff;color:#0b5ed7;font-size:12px}.progress{height:9px;background:#e8edf4;border-radius:20px;overflow:hidden}.progress>span{display:block;height:100%;background:#0b5ed7}.empty{text-align:center;padding:30px;color:#778399}@media(max-width:900px){.sidebar{position:static;width:auto}.main{margin:0}.grid{grid-template-columns:repeat(2,1fr)}.form-grid{grid-template-columns:1fr}}@media(max-width:550px){.grid{grid-template-columns:1fr}.main{padding:15px}.top{align-items:flex-start;gap:10px;flex-direction:column}}
.button{display:inline-block;padding:10px 14px;border-radius:8px;text-decoration:none;background:#146c5a;color:#fff}.button:hover{opacity:.9}

.toolbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.editor{min-height:220px;border:1px solid #d6dfeb;border-radius:8px;padding:14px;background:#fff;overflow:auto}.editor:focus{outline:2px solid #0b5ed7}.content-card{border:1px solid #e6edf5;border-radius:14px;padding:18px;margin-bottom:15px}.content-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.content-head h3{margin:0 0 7px}.content-body{margin-top:15px;line-height:1.7}.content-html img,.content-image{max-width:100%;height:auto;border-radius:10px}.content-video{max-width:100%;width:760px;border-radius:10px}.embed{position:relative;padding-top:56.25%;margin:12px 0}.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:12px}.question-picker{max-height:360px;overflow:auto;border:1px solid #e0e7ef;padding:10px;border-radius:10px}.question-picker label{padding:7px;border-bottom:1px solid #edf1f5}.small{font-size:12px}

/* ===== MUBARIK MODERN CBT ===== */
.cbt-shell{max-width:1400px;margin:0 auto;padding-bottom:40px}.cbt-header{display:flex;justify-content:space-between;gap:24px;align-items:stretch;margin-bottom:16px}.cbt-title-wrap{flex:1;background:linear-gradient(135deg,#0b5ed7,#174ea6);color:#fff;border-radius:22px;padding:24px 28px;box-shadow:0 12px 35px rgba(16,55,110,.14)}.cbt-eyebrow{font-size:11px;font-weight:800;letter-spacing:1.5px;opacity:.82;margin-bottom:8px}.cbt-title-wrap h1{font-size:28px;line-height:1.2;margin:0 0 8px}.cbt-description{font-size:14px;opacity:.88;line-height:1.6}.cbt-header-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;min-width:410px}.cbt-stat{background:#fff;border:1px solid #e6edf6;border-radius:18px;padding:18px 16px;display:flex;flex-direction:column;justify-content:center;box-shadow:0 8px 24px rgba(24,59,93,.07)}.cbt-stat span{font-size:11px;color:#738198;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.cbt-stat b{font-size:21px;margin-top:7px;color:#172033}.cbt-timer-stat{background:#fff8e6;border-color:#ffe2a3}.cbt-timer-stat b{font-variant-numeric:tabular-nums}.cbt-timer-stat b.is-warning{color:#c62828}.cbt-progress-card{background:#fff;border:1px solid #e6edf6;border-radius:16px;padding:15px 18px;margin-bottom:18px;box-shadow:0 7px 22px rgba(24,59,93,.06)}.cbt-progress-top{display:flex;justify-content:space-between;font-size:13px;color:#617086;margin-bottom:9px}.cbt-progress{height:10px;background:#edf2f8;border-radius:999px;overflow:hidden}.cbt-progress>span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#0b5ed7,#39a0ff);transition:width .25s ease}.cbt-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:18px;align-items:start}.cbt-question-nav{position:sticky;top:16px;background:#fff;border:1px solid #e5ecf5;border-radius:20px;padding:16px;box-shadow:0 8px 26px rgba(24,59,93,.07)}.cbt-nav-title{font-weight:800;font-size:15px;margin-bottom:13px}.cbt-nav-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.cbt-nav-item{padding:0;height:38px;border:1px solid #dbe4ef;background:#f7f9fc;color:#40516a;border-radius:9px;font-weight:800;font-size:12px}.cbt-nav-item:hover{border-color:#0b5ed7;color:#0b5ed7}.cbt-nav-item.is-done{background:#e7f7ef;border-color:#b8e4ca;color:#176b3b}.cbt-legend{display:grid;gap:7px;border-top:1px solid #edf1f5;margin-top:15px;padding-top:13px;font-size:11px;color:#6c788b}.cbt-legend span{display:flex;align-items:center;gap:7px}.dot{width:9px;height:9px;border-radius:50%;display:inline-block;background:#dce5ef}.dot-done{background:#31a866}.dot-current{background:#dce5ef}.cbt-finish-side{width:100%;margin-top:15px;background:#172033}.cbt-main{min-width:0}.cbt-question-card{background:#fff;border:1px solid #e2eaf4;border-radius:22px;padding:24px;margin-bottom:16px;box-shadow:0 9px 30px rgba(24,59,93,.07);scroll-margin-top:16px;transition:.2s}.cbt-question-card.is-answered{border-color:#cfe8d8}.cbt-question-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:17px}.cbt-number{font-size:12px;font-weight:800;color:#0b5ed7;background:#eaf3ff;border-radius:999px;padding:7px 11px}.cbt-type{font-size:10px;font-weight:800;letter-spacing:.6px;color:#78869b;background:#f3f6fa;border-radius:999px;padding:7px 10px}.cbt-question-text{font-size:18px;line-height:1.75;font-weight:700;color:#172033;margin-bottom:20px;white-space:pre-wrap;overflow-wrap:anywhere}.cbt-options{display:grid;gap:11px}.cbt-option{display:grid;grid-template-columns:30px 42px minmax(0,1fr);align-items:center;gap:10px;padding:13px 14px;margin:0;background:#f8fafc;border:1.5px solid #dfe7f1;border-radius:14px;cursor:pointer;font-weight:500;font-size:14px;transition:.15s}.cbt-option:hover{border-color:#8cb9ed;background:#f3f8ff}.cbt-option:has(input:checked){border-color:#0b5ed7;background:#edf5ff;box-shadow:0 4px 14px rgba(11,94,215,.09)}.cbt-option input{width:18px;height:18px;margin:0;accent-color:#0b5ed7}.cbt-option-letter{width:34px;height:34px;display:grid;place-items:center;border-radius:10px;background:#e9eef5;color:#536176;font-weight:800}.cbt-option:has(input:checked) .cbt-option-letter{background:#0b5ed7;color:#fff}.cbt-option-text{line-height:1.55;overflow-wrap:anywhere}.cbt-options-binary{grid-template-columns:repeat(2,minmax(0,1fr))}.cbt-short-answer{max-width:760px}.cbt-short-answer label{font-size:12px;color:#647188;margin-bottom:7px}.cbt-text-answer{font-size:15px;padding:14px 15px;border-radius:13px}.cbt-text-answer:focus{outline:none;border-color:#0b5ed7;box-shadow:0 0 0 4px rgba(11,94,215,.08)}.cbt-question-foot{display:flex;justify-content:flex-end;margin-top:20px}.cbt-next{background:#eef4fb;color:#244363;border:1px solid #d9e4f0;padding:9px 13px}.cbt-next:hover{background:#e4eef9}.cbt-submit-card{display:flex;justify-content:space-between;align-items:center;gap:18px;background:#fff;border:1px solid #dfe7f1;border-radius:20px;padding:20px;margin-top:4px;box-shadow:0 9px 30px rgba(24,59,93,.07)}.cbt-submit-card p{margin:5px 0 0;color:#718096;font-size:13px;line-height:1.5}.cbt-submit{background:linear-gradient(135deg,#0b5ed7,#174ea6);padding:13px 18px;white-space:nowrap}
@media(max-width:1050px){.cbt-header{flex-direction:column}.cbt-header-stats{min-width:0}.cbt-layout{grid-template-columns:1fr}.cbt-question-nav{position:sticky;top:0;z-index:10}.cbt-nav-grid{grid-template-columns:repeat(10,1fr)}}
@media(max-width:650px){.cbt-shell{padding:0 2px 25px}.cbt-title-wrap{padding:20px}.cbt-title-wrap h1{font-size:22px}.cbt-header-stats{grid-template-columns:repeat(3,1fr)}.cbt-stat{padding:12px 9px}.cbt-stat b{font-size:16px}.cbt-question-card{padding:17px;border-radius:17px}.cbt-question-text{font-size:16px}.cbt-option{grid-template-columns:23px 34px minmax(0,1fr);padding:11px}.cbt-option-letter{width:30px;height:30px}.cbt-options-binary{grid-template-columns:1fr}.cbt-submit-card{flex-direction:column;align-items:stretch}.cbt-submit{width:100%}.cbt-nav-grid{grid-template-columns:repeat(8,1fr)}}

/* MUBARIK CBT Modern v5 — one-question-at-a-time card interface */
.cbt-toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;margin-bottom:18px}
.cbt-toolbar .cbt-progress-card{margin:0}
.cbt-font-tools{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid #e2eaf4;border-radius:14px;padding:8px 10px;box-shadow:0 7px 22px rgba(24,59,93,.06)}
.cbt-font-tools>span{font-size:11px;color:#68778d;font-weight:700;margin:0 5px}
.cbt-font-btn{width:36px;height:34px;padding:0;background:#f5f7fb;color:#31435e;border:1px solid #dce5ef;border-radius:9px;font-weight:800}
.cbt-font-btn:hover,.cbt-font-btn.is-active{background:#eaf3ff;border-color:#8cb9ed;color:#0b5ed7}
.cbt-nav-subtitle{font-size:11px;color:#7a8799;line-height:1.45;margin:-7px 0 13px}
.cbt-nav-item.is-active{outline:3px solid rgba(11,94,215,.14);border-color:#0b5ed7;background:#eaf3ff;color:#0b5ed7}
.cbt-legend .dot-active{background:#0b5ed7}
.cbt-question-stage{min-height:420px}
.cbt-question-card{display:none;min-height:430px}
.cbt-question-card.is-active{display:block;animation:cbtCardIn .18s ease-out}
@keyframes cbtCardIn{from{opacity:.65;transform:translateY(5px)}to{opacity:1;transform:none}}
.cbt-question-head>div:first-child{min-width:0}
.cbt-question-topic{font-size:11px;color:#77869a;margin-top:7px}
.cbt-question-image-wrap{display:flex;justify-content:center;align-items:center;background:#f7f9fc;border:1px solid #e5ebf3;border-radius:16px;padding:12px;margin:0 0 20px;min-height:80px;overflow:hidden}
.cbt-question-image{display:block;max-width:100%;max-height:340px;width:auto;height:auto;object-fit:contain;border-radius:10px}
.cbt-question-image-wrap.image-error{display:none}
.cbt-question-text{margin-bottom:24px}
.cbt-option{grid-template-columns:30px 42px minmax(0,1fr) 24px;min-height:58px}
.cbt-option-check{width:22px;height:22px;border-radius:50%;display:grid;place-items:center;background:transparent;color:transparent;font-size:12px;font-weight:900;justify-self:end}
.cbt-option:has(input:checked) .cbt-option-check{background:#0b5ed7;color:#fff}
.cbt-question-foot{align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #edf1f5;padding-top:16px;margin-top:26px}
.cbt-prev{background:#f4f7fb;color:#536176;border:1px solid #dce5ef;padding:9px 13px}
.cbt-prev:disabled{opacity:.45;cursor:not-allowed}
.cbt-question-position{font-size:12px;font-weight:800;color:#7a8799}
.cbt-question-position .current-position{color:#0b5ed7}
.cbt-submit-card{margin-top:16px}
.cbt-font-small .cbt-question-text{font-size:16px}
.cbt-font-small .cbt-option{font-size:13px}
.cbt-font-normal .cbt-question-text{font-size:18px}
.cbt-font-large .cbt-question-text{font-size:21px}
.cbt-font-large .cbt-option{font-size:16px}
@media(max-width:1050px){
 .cbt-toolbar{grid-template-columns:1fr}
 .cbt-font-tools{justify-content:center}
 .cbt-question-nav{position:sticky;top:0}
}
@media(max-width:650px){
 .cbt-toolbar{gap:9px}
 .cbt-font-tools{width:100%;box-sizing:border-box}
 .cbt-font-tools>span{margin-right:auto}
 .cbt-question-card{min-height:0}
 .cbt-question-image{max-height:230px}
 .cbt-question-foot{flex-wrap:wrap}
 .cbt-question-position{order:-1;width:100%;text-align:center}
 .cbt-prev,.cbt-next{flex:1;min-height:42px}
 .cbt-option{grid-template-columns:23px 34px minmax(0,1fr) 22px;min-height:54px}
}
/* ===== BUKU DIGITAL DATABASE ===== */
.book-admin-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:22px}.book-admin-grid>div{background:#f8fafc;border:1px solid #e4ebf4;border-radius:18px;padding:18px}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;margin-top:18px}.book-card{background:#fff;border:1px solid #e2eaf4;border-radius:20px;overflow:hidden;box-shadow:0 10px 30px rgba(24,59,93,.07)}.book-cover{height:210px;background:linear-gradient(135deg,#eaf3ff,#dceaff);display:grid;place-items:center;overflow:hidden}.book-cover img{width:100%;height:100%;object-fit:cover}.book-cover-placeholder{font-size:72px}.book-card-body{padding:18px}.book-card h2{font-size:21px;margin:7px 0}.book-card p{color:#6b788c;line-height:1.6;min-height:52px}.book-meta{font-size:11px;color:#77869a;font-weight:700}.chapter-manage{margin-top:15px;border-top:1px solid #edf1f5;padding-top:10px;font-size:12px;display:grid;gap:8px}.chapter-manage a{color:#0b5ed7}.link-danger{border:0;background:none;color:#c62828;padding:0;cursor:pointer}.book-reader-body{background:#f4f7fb}.reader-top{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid #e3eaf3;min-height:68px;display:flex;align-items:center;gap:18px;padding:10px 24px}.reader-top>div:nth-child(2){display:grid;gap:3px;flex:1}.reader-top span{font-size:11px;color:#7b8799}.reader-font{display:flex!important;gap:6px;flex:none!important}.reader-font button{width:38px;height:36px;border:1px solid #dbe4ef;background:#f7f9fc;border-radius:9px;font-weight:800;cursor:pointer}.reader-shell{max-width:1400px;margin:0 auto;display:grid;grid-template-columns:270px minmax(0,1fr);gap:20px;padding:22px}.reader-toc{position:sticky;top:90px;align-self:start;background:#fff;border:1px solid #e2eaf4;border-radius:18px;padding:14px;max-height:calc(100vh - 115px);overflow:auto}.toc-title{font-weight:800;padding:6px 8px 12px}.toc-item{width:100%;border:0;background:transparent;text-align:left;padding:11px 9px;border-radius:11px;display:grid;grid-template-columns:34px 1fr 18px;gap:8px;align-items:center;cursor:pointer}.toc-item:hover{background:#f4f8fd}.toc-item.active{background:#eaf3ff;color:#0b5ed7}.toc-item span{font-size:10px;font-weight:800;color:#7a8799}.toc-item b{font-size:12px;line-height:1.4}.toc-item em{font-style:normal;color:#31a866;font-weight:900}.reader-progress{background:#fff;border:1px solid #e2eaf4;border-radius:16px;padding:14px 17px;margin-bottom:16px}.reader-progress>div:first-child{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#6e7b90;margin-bottom:8px}.reader-progressbar{height:8px;background:#edf2f8;border-radius:99px;overflow:hidden}.reader-progressbar span{display:block;height:100%;background:linear-gradient(90deg,#0b5ed7,#39a0ff);transition:.25s}.reader-book{background:#fff;border:1px solid #e0e8f2;border-radius:24px;box-shadow:0 12px 40px rgba(24,59,93,.08);overflow:hidden}.reader-cover-intro{display:grid;grid-template-columns:220px 1fr;gap:28px;align-items:center;padding:30px;background:linear-gradient(135deg,#f7fbff,#eef5ff);border-bottom:1px solid #e3ebf5}.reader-cover-intro img{width:220px;height:285px;object-fit:cover;border-radius:14px;box-shadow:0 15px 30px rgba(24,59,93,.15)}.reader-cover-placeholder{width:220px;height:285px;border-radius:14px;display:grid;place-items:center;background:#dfeeff;font-size:80px}.reader-cover-intro h1{font-size:34px;margin:7px 0 10px}.reader-cover-intro p{color:#647188;line-height:1.7;max-width:700px}.eyebrow{font-size:11px;font-weight:900;letter-spacing:1.5px;color:#0b5ed7}.reader-chapter{display:none;padding:42px 58px;max-width:900px;margin:auto;--book-font:1}.reader-chapter.active{display:block;animation:bookIn .2s ease}.chapter-label{font-size:11px;font-weight:900;letter-spacing:1.5px;color:#0b5ed7}.reader-chapter h2{font-size:32px;line-height:1.25;margin:8px 0 24px}.chapter-image{display:block;max-width:100%;max-height:430px;object-fit:contain;border-radius:16px;margin:0 auto 26px}.chapter-content{font-size:calc(17px * var(--book-font));line-height:1.9;color:#28364c}.chapter-content h1,.chapter-content h2,.chapter-content h3{line-height:1.35}.chapter-content img{max-width:100%;height:auto;border-radius:12px}.chapter-content iframe{width:100%;min-height:360px;border:0;border-radius:14px}.chapter-content table{width:100%;border-collapse:collapse}.chapter-content td,.chapter-content th{border:1px solid #dfe6ef;padding:8px}.chapter-nav{display:flex;justify-content:space-between;gap:12px;border-top:1px solid #edf1f5;margin-top:35px;padding-top:20px}.chapter-nav button:disabled{opacity:.45;cursor:not-allowed}@keyframes bookIn{from{opacity:.7;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(max-width:900px){.book-admin-grid,.reader-shell{grid-template-columns:1fr}.reader-toc{position:relative;top:0;max-height:240px}.reader-cover-intro{grid-template-columns:140px 1fr}.reader-cover-intro img,.reader-cover-placeholder{width:140px;height:190px}.reader-chapter{padding:30px 24px}.reader-chapter h2{font-size:27px}}
@media(max-width:600px){.reader-top{padding:9px 12px;gap:8px}.reader-top .btn{padding:8px}.reader-top strong{font-size:13px}.reader-top span{display:none}.reader-shell{padding:10px}.reader-cover-intro{grid-template-columns:1fr;text-align:center;padding:22px}.reader-cover-intro img,.reader-cover-placeholder{width:150px;height:195px;margin:auto}.reader-chapter{padding:25px 17px}.reader-chapter h2{font-size:24px}.chapter-nav{flex-direction:column}.chapter-nav .btn{width:100%}.book-grid{grid-template-columns:1fr}}

/* ===== ORANG TUA / PARENT MONITORING ===== */
.parent-child-card{border-radius:22px}
.parent-child-head{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #edf1f5;padding-bottom:16px;margin-bottom:18px}
.parent-child-head h2{margin:5px 0;font-size:24px}
.parent-mini-stats{display:flex;gap:10px}
.parent-mini-stats span{background:#f4f8fd;border:1px solid #e1eaf4;border-radius:14px;padding:10px 14px;font-size:11px;color:#718096}
.parent-mini-stats b{display:block;font-size:18px;color:#0b5ed7}
.parent-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.parent-grid section{background:#f9fbfd;border:1px solid #e7edf4;border-radius:16px;padding:15px}
.parent-grid .full{grid-column:1/-1}
.attendance-chips{display:flex;gap:8px;flex-wrap:wrap}
.attendance-chip{background:#fff;border:1px solid #dfe7f1;border-radius:999px;padding:8px 11px;font-size:11px}
.attendance-chip b{margin-right:5px}
@media(max-width:700px){.parent-child-head{align-items:flex-start;flex-direction:column}.parent-mini-stats{width:100%}.parent-mini-stats span{flex:1}.parent-grid{grid-template-columns:1fr}.parent-grid .full{grid-column:auto}}

/* ===== CBT QUIZ INTERACTIVE v6 ===== */
.cbt-question-stage{position:relative}
.cbt-question-card{margin:0;min-height:500px}
.cbt-question-card.is-active{display:flex;flex-direction:column}
.cbt-question-card .cbt-question-foot{margin-top:auto}
.cbt-nav-item{transition:transform .12s ease,box-shadow .12s ease}
.cbt-nav-item.is-active{box-shadow:0 0 0 3px rgba(11,94,215,.12)}
.cbt-nav-item.is-done::after{content:'✓';font-size:9px;margin-left:2px}
.cbt-next{background:linear-gradient(135deg,#eaf3ff,#f5f9ff);color:#0b5ed7;border-color:#b9d5f4}
.cbt-next:hover{transform:translateX(2px)}
.cbt-question-text img{max-width:100%;height:auto}
@media(max-width:650px){
 .cbt-nav-grid{grid-template-columns:repeat(6,1fr);max-height:180px;overflow:auto}
 .cbt-question-card{padding:15px}
 .cbt-question-foot{position:sticky;bottom:0;background:rgba(255,255,255,.97);padding:12px 0 2px;z-index:4}
}

/* ===== CONTENT DISPLAY MODES / DIGITAL BOOK ===== */
.dashboard-filter{margin-bottom:16px}
.dashboard-filter label{display:block;font-weight:800;margin-bottom:7px}
.filter-row{display:flex;gap:12px;align-items:end;flex-wrap:wrap}
.filter-row form{min-width:260px;flex:1}
.filter-row select{width:100%}
.content-list.content-mode-book{max-width:980px;margin:0 auto}
.content-mode-book .content-item{background:#fff;border:0;border-radius:0;padding:34px 48px;margin:0;box-shadow:none;border-bottom:1px solid #e9eef4}
.content-mode-book .content-item:last-child{border-bottom:0}
.content-mode-book .content-head{padding-bottom:12px;margin-bottom:8px;border-bottom:1px solid #eef2f7}
.content-mode-book .content-head h3{font-size:26px;line-height:1.35}
.content-mode-book .content-body{font-family:Georgia,'Times New Roman',serif;font-size:18px;line-height:1.9;color:#263447}
.content-mode-book .content-body h1,.content-mode-book .content-body h2,.content-mode-book .content-body h3{font-family:inherit;line-height:1.35;margin-top:1.35em}
.content-mode-book .content-body p{margin:0 0 1em}
.content-mode-book .content-body ul,.content-mode-book .content-body ol{padding-left:1.6em}
.content-mode-book .content-body img{display:block;margin:18px auto;max-width:100%;height:auto}
.content-mode-book .content-body table{width:100%;border-collapse:collapse;margin:18px 0}
.content-mode-book .content-body th,.content-mode-book .content-body td{border:1px solid #dfe6ee;padding:9px}
.content-mode-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.content-mode-cards .content-item{margin:0;height:100%;display:flex;flex-direction:column}
.content-mode-cards .content-body{flex:1}
.content-mode-list .content-item{padding:14px 16px;border-radius:10px;margin-bottom:8px}
.content-mode-list .content-head h3{font-size:17px;margin-bottom:3px}
.content-mode-list .content-body{max-height:220px;overflow:auto}
@media(max-width:700px){
 .content-mode-book .content-item{padding:25px 18px}
 .content-mode-book .content-head h3{font-size:22px}
 .content-mode-book .content-body{font-size:17px;line-height:1.8}
 .filter-row form{min-width:100%}
}

/* ===== CBT_Min2 ===== */
.cbt2-shell{max-width:1100px;margin:0 auto;padding:20px}.cbt2-header{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:24px;border-radius:24px;background:linear-gradient(135deg,#121826,#202b44);color:#fff;box-shadow:0 18px 50px rgba(0,0,0,.18)}.cbt2-header h1{margin:8px 0;font-size:clamp(24px,4vw,38px)}.cbt2-header p{margin:0;opacity:.75}.cbt2-badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(255,255,255,.12);font-size:12px;font-weight:800;letter-spacing:.08em}.cbt2-timer{min-width:150px;text-align:center;padding:14px 18px;border:1px solid rgba(255,255,255,.18);border-radius:18px;background:rgba(255,255,255,.08)}.cbt2-timer span{display:block;font-size:11px;opacity:.7}.cbt2-timer b{font-size:28px}.cbt2-timer b.warning{font-weight:900}.cbt2-progress{margin:18px 0;padding:16px 18px;background:var(--card,#fff);border-radius:18px;box-shadow:0 8px 28px rgba(0,0,0,.07)}.cbt2-progress>div:first-child{display:flex;justify-content:space-between;margin-bottom:9px}.cbt2-progressbar{height:9px;background:#e9edf4;border-radius:99px;overflow:hidden}.cbt2-progressbar span{display:block;height:100%;width:0;border-radius:99px;background:currentColor;transition:width .2s}.cbt2-stage{min-height:420px}.cbt2-question{display:none;padding:clamp(20px,4vw,42px);background:var(--card,#fff);border-radius:24px;box-shadow:0 15px 45px rgba(0,0,0,.08);min-height:400px}.cbt2-question.is-active{display:block;animation:cbt2in .18s ease}.cbt2-question-top{display:flex;justify-content:space-between;gap:12px;color:#687386;font-size:13px;margin-bottom:24px}.cbt2-number{font-weight:900;color:inherit}.cbt2-text{font-size:clamp(20px,3vw,28px);line-height:1.55;font-weight:700;margin:18px 0 28px;white-space:pre-line}.cbt2-image{text-align:center;margin:8px 0 22px}.cbt2-image img{max-width:100%;max-height:360px;border-radius:16px;object-fit:contain}.cbt2-options{display:grid;gap:12px}.cbt2-option{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border:2px solid #e6eaf0;border-radius:16px;cursor:pointer;transition:.18s;background:#fff}.cbt2-option:hover{transform:translateY(-1px);border-color:#9aa7bb}.cbt2-option input{margin-top:4px}.cbt2-option:has(input:checked){border-color:currentColor;box-shadow:0 8px 24px rgba(0,0,0,.07)}.cbt2-letter{font-weight:900;min-width:28px}.cbt2-answer{width:100%;padding:17px;border:2px solid #e6eaf0;border-radius:14px;font-size:18px}.cbt2-actions{display:flex;align-items:center;gap:10px;margin:18px 0 35px;position:sticky;bottom:12px;padding:12px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.08)}.cbt2-actions .cbt2-hint{flex:1;text-align:center;font-size:12px;color:#758095}.cbt2-actions button:disabled{opacity:.45;cursor:not-allowed}.cbt2-actions .danger{background:#b42318}.cbt2-result{min-height:70vh;display:grid;place-items:center;padding:24px}.cbt2-result-card{text-align:center;max-width:500px;width:100%;padding:40px;border-radius:28px;background:var(--card,#fff);box-shadow:0 20px 60px rgba(0,0,0,.12)}.cbt2-score{font-size:64px;font-weight:900;margin:18px 0 0}.task-tabs{display:flex;gap:8px;margin:0 0 12px}.task-tab{padding:11px 16px;border:1px solid #dce2ea;border-radius:12px;background:var(--card,#fff);cursor:pointer}.task-tab.active{font-weight:800;box-shadow:0 5px 18px rgba(0,0,0,.08)}.quiz-task-card{display:flex;gap:14px;align-items:center;padding:16px;border:1px solid #e1e7ef;border-radius:16px;margin:10px 0}.quiz-task-icon{font-size:30px}.quiz-score{display:inline-block;padding:12px 16px;border-radius:12px;background:#edf8f1;margin:10px 0;font-size:17px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:18px}.stat-card{padding:18px;border-radius:18px;background:var(--card,#fff);box-shadow:0 8px 25px rgba(0,0,0,.07)}.stat-card span{display:block;font-size:12px;color:#748096}.stat-card b{display:block;font-size:26px;margin-top:5px}@keyframes cbt2in{from{opacity:.4;transform:translateY(5px)}to{opacity:1;transform:none}}@media(max-width:700px){.cbt2-shell{padding:10px}.cbt2-header{flex-direction:column;align-items:stretch}.cbt2-timer{min-width:0}.cbt2-actions{flex-wrap:wrap}.cbt2-actions .cbt2-hint{order:3;flex-basis:100%}.cbt2-question{min-height:460px;padding:18px}.cbt2-text{font-size:20px}.table{display:block;overflow:auto}}