:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#172033;background:#f5f7fb;font-synthesis:none;--blue:#0b4dbb;--blue2:#1769e0;--navy:#10223f;--yellow:#f5c842;--green:#159467;--border:#dfe6f1;--muted:#65728a;--card:#fff;--shadow:0 12px 34px rgba(24,48,88,.09)}*{box-sizing:border-box}body{margin:0;background:#f5f7fb;color:#172033}a{text-decoration:none;color:inherit}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-container{min-height:100vh}.navbar{height:76px;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 28px;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:40}.brand-wrap,.brand,.nav-right,.profile-chip,.profile-chip span,.reader-tools,.game-stats,.section-heading,.page-header,.hero-actions{display:flex;align-items:center}.brand{gap:12px}.school-logo-img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid #e7edf7}.brand strong{display:block;font-size:17px}.brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}.nav-right{gap:12px}.profile-chip{gap:8px}.profile-chip span{align-items:flex-start;flex-direction:column}.profile-chip b{font-size:13px}.profile-chip small{text-transform:capitalize;color:var(--muted)}.main-wrapper{display:flex;min-height:calc(100vh - 76px)}.sidebar{width:238px;background:var(--navy);padding:25px 16px;flex:0 0 auto}.sidebar-heading{color:#8ba1c5;font-weight:800;font-size:12px;letter-spacing:.14em;margin:0 12px 18px}.menu-item{display:flex;align-items:center;gap:12px;color:#dbe5f5;padding:12px 13px;border-radius:11px;margin-bottom:7px;font-size:14px}.menu-item:hover,.menu-item.active{background:#1f4d90;color:#fff}.content-area{min-width:0;flex:1;padding:30px;max-width:1600px;margin:0 auto;width:100%}.icon-button{border:0;background:#f2f5fa;border-radius:10px;width:38px;height:38px;display:inline-grid;place-items:center;color:#3a4b68}.mobile-menu{display:none}.primary-button,.success-button,.ghost-button,.light-button,.outline-light-button,.card-action{border:0;border-radius:10px;padding:11px 16px;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:8px}.primary-button{background:var(--blue2);color:#fff}.primary-button:hover{background:var(--blue)}.primary-button.small{padding:9px 13px}.success-button{background:var(--green);color:#fff}.ghost-button{background:#f1f4f9;color:#243a5d}.light-button{background:#fff;color:var(--blue)}.outline-light-button{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff}.hero{background:linear-gradient(135deg,#093d9c,#0e67d8 58%,#0ea7c5);border-radius:24px;color:#fff;padding:42px;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(240px,.55fr);gap:36px;align-items:center;box-shadow:var(--shadow)}.hero h1{font-size:clamp(36px,5vw,62px);line-height:1;margin:10px 0 16px;letter-spacing:-.04em}.hero p{font-size:17px;line-height:1.65;max-width:720px;color:#e9f2ff}.eyebrow{font-size:12px;font-weight:850;letter-spacing:.15em}.eyebrow.dark{color:var(--blue)}.hero-actions{gap:10px;margin-top:24px}.hero-badge{background:#ffffff1f;border:1px solid rgba(255,255,255,.25);border-radius:20px;padding:22px;text-align:center}.hero-badge img{width:130px;height:130px;border-radius:50%;object-fit:cover;background:#fff}.hero-badge strong,.hero-badge span{display:block}.hero-badge strong{font-size:18px;margin-top:12px}.hero-badge span{font-size:12px;color:#d9ecff;margin-top:5px}.section{margin-top:34px}.section-heading,.page-header{justify-content:space-between;gap:20px;margin-bottom:20px}.section-heading h2,.page-header h1{margin:6px 0 0}.section-heading>a{color:var(--blue);font-weight:750;display:flex;gap:6px;align-items:center}.learning-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.learning-card,.panel,.stat-card{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:18px}.learning-card{padding:18px}.learning-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px}.learning-icon.lesson{background:#e7f0ff;color:#1354bd}.learning-icon.game{background:#fff2d3;color:#9f6b00}.tag{display:inline-block;background:#eef3fb;color:#3e5374;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800;text-transform:uppercase}.learning-card h3{font-size:18px;margin:10px 0 7px}.learning-card p{color:var(--muted);line-height:1.5;font-size:14px;min-height:63px}.details{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.details span{font-size:11px;background:#f7f9fc;border:1px solid var(--border);padding:5px 7px;border-radius:7px}.card-action{width:100%;background:#eef5ff;color:var(--blue)}.feature-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:30px}.feature-strip>div{background:#fff;border:1px solid var(--border);padding:18px;border-radius:16px}.feature-strip>div>span{color:var(--blue)}.feature-strip h3{font-size:15px;margin:9px 0 5px}.feature-strip p{font-size:12px;line-height:1.5;color:var(--muted);margin:0}.filter-bar{display:grid;grid-template-columns:minmax(220px,1fr) 180px 220px;gap:12px;margin-bottom:20px}.filter-bar input,.filter-bar select,.login-card input,.login-card select,.form-grid input,.form-grid select,.form-grid textarea,.stack-form input,.stack-form select,.stack-form textarea,.reader-tools select,.assistant-box input,.game-answer input{width:100%;border:1px solid var(--border);background:#fff;border-radius:10px;padding:11px 12px;outline:none}.search-box{display:flex;align-items:center;background:#fff;border:1px solid var(--border);border-radius:10px;padding-left:11px;color:var(--muted)}.search-box input{border:0}.empty-state{background:#fff;border:1px dashed #c8d3e3;border-radius:16px;padding:30px;text-align:center;color:var(--muted)}.empty-state.large{padding:80px 25px}.page-header p{margin:7px 0 0;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px;margin-bottom:20px}.stat-card{padding:17px;display:flex;gap:13px;align-items:center}.stat-icon{width:44px;height:44px;border-radius:13px;background:#eaf2ff;color:var(--blue);display:grid;place-items:center}.stat-card span,.stat-card strong,.stat-card small{display:block}.stat-card span{font-size:12px;color:var(--muted)}.stat-card strong{font-size:22px;margin-top:2px}.stat-card small{font-size:11px;color:var(--muted)}.dashboard-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.panel{padding:22px}.panel h2{font-size:18px;margin-top:0;display:flex;align-items:center;gap:8px}.muted{color:var(--muted)}.chart-box{height:250px}.chart-box.large{height:340px}.auth-page{min-height:calc(100vh - 136px);display:grid;place-items:center;padding:30px}.login-card{width:min(430px,100%);background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);padding:28px;border-radius:20px;display:grid;gap:15px}.login-card.wide{width:min(540px,100%)}.auth-logo{width:82px;height:82px;border-radius:50%;object-fit:cover}.login-card h1{margin:0}.login-card p{color:var(--muted);line-height:1.5}.login-card label,.stack-form label,.form-grid label{display:grid;gap:6px;font-size:13px;font-weight:700}.input-wrap{display:flex;align-items:center;border:1px solid var(--border);border-radius:10px;padding-left:10px;color:var(--muted)}.input-wrap input{border:0}.auth-foot{text-align:center;font-size:13px}.auth-foot a{color:var(--blue);font-weight:800}.alert{padding:11px 12px;border-radius:10px;font-size:13px}.alert.error{background:#fff0f0;color:#9e2424;border:1px solid #ffcaca}.alert.info{background:#eef6ff;color:#174d91;border:1px solid #c9e0ff}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.span-2{grid-column:1/-1}.stack-form{display:grid;gap:13px}.preview-panel{max-height:780px;overflow:auto}.ai-preview h4{margin-bottom:7px}.ai-preview p,.ai-preview li{line-height:1.6;color:#465773}.ai-preview .success-button{margin-top:12px}.table-wrap{overflow:auto}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;padding:11px 9px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-size:11px;text-transform:uppercase}.content-reader{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--border);box-shadow:var(--shadow);border-radius:20px;padding:32px}.content-reader h1{font-size:36px;margin:12px 0}.lead{font-size:17px;color:var(--muted);line-height:1.6}.reader-tools{gap:10px;margin:20px 0}.reader-tools select{width:auto}.lesson-body{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:16px 0;margin:20px 0}.lesson-body p,.lesson-body li{line-height:1.75}.assistant-box{margin-top:24px;border-radius:16px;background:#f4f8ff;padding:20px}.assistant-box form{display:grid;grid-template-columns:1fr auto;gap:8px}.assistant-answer{margin-top:12px;background:#fff;padding:14px;border-radius:10px;line-height:1.6}.game-shell{max-width:980px;margin:0 auto}.game-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.game-stats{gap:10px}.game-stats span{display:flex;align-items:center;gap:5px;background:#fff;border:1px solid var(--border);padding:9px 12px;border-radius:10px}.game-board{background:linear-gradient(145deg,#fff,#eef5ff);border:1px solid var(--border);box-shadow:var(--shadow);border-radius:24px;padding:48px;text-align:center}.challenge-number{font-size:clamp(48px,8vw,80px);font-weight:900;color:var(--blue)}.game-answer{display:flex;gap:8px;max-width:380px;margin:22px auto}.game-answer input{font-size:26px;text-align:center}.game-feedback{font-weight:800;margin:15px}.camera-panel{margin-top:20px}.camera-video{display:block;width:100%;max-width:640px;margin:15px auto 0;border-radius:16px;background:#101826}.page-state{padding:50px;text-align:center}.sidebar-overlay{display:none}@media(max-width:1100px){.learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-strip,.stats-grid{grid-template-columns:repeat(2,1fr)}.hero{grid-template-columns:1fr}.hero-badge{display:none}}@media(max-width:820px){.mobile-menu{display:inline-grid}.sidebar{position:fixed;left:-250px;top:76px;height:calc(100vh - 76px);z-index:35;transition:left .2s}.sidebar.open{left:0}.sidebar-overlay{display:block;position:fixed;inset:76px 0 0;background:#0c162666;border:0;z-index:30}.content-area{padding:20px}.profile-chip{display:none}.dashboard-columns,.ai-columns{grid-template-columns:1fr}.filter-bar{grid-template-columns:1fr 1fr}.filter-bar .search-box{grid-column:1/-1}.navbar{padding:0 16px}.brand span{display:none}}@media(max-width:560px){.content-area{padding:14px}.navbar{height:68px}.sidebar{top:68px;height:calc(100vh - 68px)}.brand strong{font-size:14px}.school-logo-img{width:40px;height:40px}.nav-right .ghost-button{font-size:0;padding:9px}.hero{padding:27px 20px;border-radius:18px}.hero h1{font-size:38px}.hero-actions{align-items:stretch;flex-direction:column}.learning-grid,.stats-grid,.feature-strip,.filter-bar,.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.page-header,.game-top{align-items:flex-start;flex-direction:column}.section-heading{align-items:flex-end}.game-board{padding:32px 16px}.game-answer{flex-direction:column}.content-reader{padding:22px 18px}.assistant-box form{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}.progress-visual{display:flex;align-items:center;gap:22px;padding:18px 0}.progress-ring{--progress:0deg;width:132px;height:132px;border-radius:50%;background:conic-gradient(var(--blue2) var(--progress),#e8edf5 0);display:grid;place-items:center;position:relative}.progress-ring:before{content:"";position:absolute;width:98px;height:98px;border-radius:50%;background:#fff}.progress-ring span{position:relative;font-size:22px;font-weight:850}.bar-chart{display:grid;gap:18px;padding:15px 0}.bar-row{display:grid;grid-template-columns:90px 1fr 40px;gap:12px;align-items:center}.bar-track{height:20px;background:#edf2f8;border-radius:999px;overflow:hidden}.bar-fill{height:100%;min-width:2px;background:linear-gradient(90deg,var(--blue),#33a5e5);border-radius:999px}.alert.success{background:#edfff7;color:#08704b;border:1px solid #afe6cf}.field-help{display:block;color:var(--muted);font-weight:500;line-height:1.45}.label-with-icon{display:inline-flex;align-items:center;gap:7px}.account-error{max-width:680px;margin:50px auto;text-align:center}.account-error>svg{color:#b87300}.account-error h1{margin:14px 0 8px}.account-error p{color:var(--muted);line-height:1.65}.fatal-error-page{min-height:100vh;display:grid;place-items:center;padding:24px;background:#f5f7fb}.fatal-error-card{width:min(620px,100%);background:#fff;border:1px solid var(--border);border-radius:22px;box-shadow:var(--shadow);padding:34px;text-align:center}.fatal-error-card>svg{color:#c57900}.fatal-error-card h1{margin:14px 0 8px}.fatal-error-card p{color:var(--muted);line-height:1.65}.fatal-error-card pre{white-space:pre-wrap;overflow-wrap:anywhere;text-align:left;background:#f7f9fc;border:1px solid var(--border);border-radius:12px;padding:14px;color:#8b2424;margin:20px 0}.startup-loading{min-height:100vh;display:grid;place-items:center;font-weight:800;color:var(--blue);background:#f5f7fb}.startup-error-logo{width:86px;height:86px;border-radius:50%;object-fit:cover;margin-bottom:10px;border:2px solid var(--border)}.preserve-lines{white-space:pre-wrap}.embedded-material{margin-top:24px;padding:18px;background:#f7f9fc;border:1px solid var(--border);border-radius:14px}.embedded-material h2{display:flex;align-items:center;gap:8px;margin-top:0}.material-name{font-size:12px;font-weight:800;color:var(--blue)}.material-text{max-height:360px;overflow:auto;background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px;line-height:1.65}.resource-link-card{margin-top:24px;padding:18px;background:#f4f8ff;border:1px solid #cfe0f8;border-radius:14px}.resource-link-card h2{margin-top:0}.content-area-public{max-width:1500px;margin:0 auto;width:100%}.sidebar{display:flex;flex-direction:column}.sidebar-identity{display:flex;align-items:center;gap:11px;margin:0 4px 22px;padding:12px;border:1px solid rgba(255,255,255,.1);border-radius:14px;background:#ffffff0f;color:#fff}.sidebar-identity-icon{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,#2c69d8,#5b7fea)}.sidebar-identity div{min-width:0;display:grid}.sidebar-identity strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.sidebar-identity small{margin-top:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#aebed7;font-size:10.5px}.sidebar-footer-note{margin-top:auto;display:grid;gap:4px;padding:16px 12px 2px;color:#b9c7dd;font-size:10px}.sidebar-footer-note strong{color:#eef4ff;font-size:11px}.account-error-help{margin:10px auto 20px;max-width:560px;font-size:13px}.account-error-help code{padding:2px 6px;border:1px solid var(--border);border-radius:6px;background:#f7f9fc;color:#384b69}.account-error-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.profile-setup-page{min-height:calc(100vh - 76px)}.profile-setup-card{max-width:620px}.profile-setup-icon{width:68px;height:68px;display:grid;place-items:center;color:#2859c7;border-radius:19px;background:linear-gradient(145deg,#e7efff,#f4f7ff)}.profile-setup-note{display:flex;align-items:flex-start;gap:10px;padding:13px 14px;border:1px solid #d7e6ff;border-radius:12px;background:#f3f7ff;color:#3b5274;font-size:12.5px;line-height:1.55}.profile-setup-note svg{flex:0 0 auto;margin-top:1px;color:#1769e0}.student-dashboard-header{align-items:flex-end}.grade-badge-large{min-width:150px;display:grid;justify-items:center;gap:2px;padding:14px 18px;border:1px solid #dce6f6;border-radius:16px;background:linear-gradient(145deg,#fff,#f3f7ff);box-shadow:0 8px 22px #1f417d12;color:#163f89}.grade-badge-large>span{font-size:16px;font-weight:850}.grade-badge-large>small{color:var(--muted);font-size:10px}.grade-catalog-panel{margin-top:4px}.dashboard-section-heading{align-items:flex-end}.dashboard-section-heading>div{align-items:flex-start}.dashboard-section-heading h2{margin:4px 0 3px;font-size:20px}.dashboard-section-heading p{margin:0}.dashboard-subject-filter{min-width:210px;display:grid;gap:6px;color:#52617a;font-size:11px;font-weight:800}.dashboard-subject-filter select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;outline:0;background:#fff;color:#25344f}.dashboard-subject-filter select:focus{border-color:#8fb4ef;box-shadow:0 0 0 3px #1769e014}.dashboard-loading-state{min-height:160px;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--muted);font-weight:700}.spin{animation:jlh-spin .9s linear infinite}@keyframes jlh-spin{to{transform:rotate(360deg)}}.grade-catalog-error{display:grid;gap:7px;align-items:start}.grade-catalog-error .ghost-button{width:max-content;margin-top:5px}.student-content-sections{display:grid;gap:30px}.student-content-group{display:grid;gap:14px}.student-content-group+.student-content-group{padding-top:24px;border-top:1px solid var(--border)}.student-content-group-heading>div{display:flex;align-items:center;gap:10px}.student-content-group-heading svg,.student-section-icon{color:var(--blue2)}.student-content-group-heading h3{margin:0;font-size:16px}.student-content-group-heading p{margin:3px 0 0;color:var(--muted);font-size:11px}.student-learning-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.empty-state.compact{padding:18px;font-size:13px}.student-bottom-panels{margin-top:20px}.student-section-icon{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:11px;background:#eaf2ff}@media(max-width:1200px){.student-learning-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:820px){.student-dashboard-header,.dashboard-section-heading{align-items:flex-start;flex-direction:column}.grade-badge-large{min-width:0;width:100%;justify-items:start}.dashboard-subject-filter{min-width:0;width:100%}}@media(max-width:560px){.student-learning-grid{grid-template-columns:1fr}.account-error-actions{flex-direction:column}.account-error-actions>a,.account-error-actions>button{width:100%}}:root{--admin-primary:#4f46e5;--admin-primary-dark:#3730a3;--admin-soft:#eef2ff;--admin-ink:#14213d;--admin-subtle:#6b7890;--admin-line:#e3e8f2;--admin-surface:#ffffff;--admin-page:#f7f8fc;--admin-green:#16a36a;--admin-orange:#e58a16;--admin-red:#c74747}.public-app-shell .public-content-area{max-width:1640px;margin:0 auto;width:100%}.dashboard-main-wrapper{align-items:stretch}.dashboard-content-area{background:radial-gradient(circle at 86% 0%,rgba(79,70,229,.05),transparent 26rem),var(--admin-page)}.role-sidebar{width:254px;min-height:calc(100vh - 76px);padding:22px 15px 18px;background:linear-gradient(180deg,#111d37,#142546);border-right:1px solid rgba(255,255,255,.04)}.role-sidebar.role-admin .sidebar-identity-icon{background:linear-gradient(135deg,#6557ec,#4438c9)}.role-sidebar.role-teacher .sidebar-identity-icon{background:linear-gradient(135deg,#1688e8,#1769e0)}.role-sidebar.role-student .sidebar-identity-icon{background:linear-gradient(135deg,#19a976,#12885e)}.role-sidebar .menu-item{position:relative;border:1px solid transparent;transition:background .18s ease,border-color .18s ease,transform .18s ease}.role-sidebar .menu-item:hover{transform:translate(2px);background:#ffffff13}.role-sidebar .menu-item.active{background:linear-gradient(90deg,#6053ebf2,#4355cdd1);border-color:#ffffff1f;box-shadow:0 8px 22px #0000001f}.role-sidebar.role-teacher .menu-item.active{background:linear-gradient(90deg,#1769e0,#248fdc)}.role-sidebar.role-student .menu-item.active{background:linear-gradient(90deg,#139464,#20ad7d)}.admin-page{display:grid;gap:20px;max-width:1500px;margin:0 auto}.admin-page-header,.admin-hero-header{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;border:1px solid var(--admin-line);border-radius:22px;background:var(--admin-surface);box-shadow:0 10px 30px #212d530f;padding:26px 28px}.admin-hero-header{color:#fff;border:0;background:radial-gradient(circle at 88% 10%,rgba(255,255,255,.14),transparent 15rem),linear-gradient(135deg,#2738aa,#4f46e5 54%,#6557ec);box-shadow:0 18px 45px #3b36aa2e}.admin-kicker{display:block;font-size:11px;letter-spacing:.14em;font-weight:850;color:#6157d8;text-transform:uppercase;margin-bottom:7px}.admin-hero-header .admin-kicker{color:#d9dcff}.admin-page-header h1,.admin-hero-header h1{font-size:clamp(27px,3vw,38px);line-height:1.15;letter-spacing:-.025em;margin:0;color:var(--admin-ink)}.admin-hero-header h1{color:#fff}.admin-page-header p,.admin-hero-header p{max-width:760px;margin:8px 0 0;color:var(--admin-subtle);line-height:1.55}.admin-hero-header p{color:#e9eaff}.admin-header-actions{display:flex;gap:10px;flex-wrap:wrap}.admin-button{border:0;border-radius:11px;min-height:42px;padding:10px 15px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:800;font-size:13px;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.admin-button:hover:not(:disabled){transform:translateY(-1px)}.admin-button:disabled{opacity:.58;cursor:not-allowed}.admin-button.primary{background:var(--admin-primary);color:#fff;box-shadow:0 8px 18px #4f46e52e}.admin-button.primary:hover:not(:disabled){background:var(--admin-primary-dark)}.admin-button.secondary{background:#f1f4f9;color:#30415f;border:1px solid var(--admin-line)}.admin-hero-header .admin-button.secondary{background:#ffffff1f;color:#fff;border-color:#fff3}.admin-hero-header .admin-button.primary{background:#fff;color:#3d34bb}.admin-button.full{width:100%}.admin-alert{margin:0}.admin-metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}.admin-metric-card{position:relative;overflow:hidden;display:flex;align-items:center;gap:14px;min-height:112px;padding:20px;background:#fff;border:1px solid var(--admin-line);border-radius:18px;box-shadow:0 9px 25px #1e2b4e0e}.admin-metric-card:after{content:"";position:absolute;width:78px;height:78px;border-radius:50%;right:-25px;top:-25px;background:currentColor;opacity:.055}.admin-metric-icon{width:48px;height:48px;display:grid;place-items:center;flex:0 0 auto;border-radius:14px;background:#eef2ff;color:#4f46e5}.admin-metric-card>div{min-width:0;display:grid}.admin-metric-card small{font-size:11px;font-weight:800;color:var(--admin-subtle);text-transform:uppercase;letter-spacing:.05em}.admin-metric-card strong{font-size:27px;color:var(--admin-ink);line-height:1.15;margin:3px 0 1px}.admin-metric-card span:not(.admin-metric-icon){font-size:11px;color:var(--admin-subtle);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.admin-metric-card.tone-blue .admin-metric-icon{background:#eaf3ff;color:#1674d6}.admin-metric-card.tone-purple .admin-metric-icon{background:#efedff;color:#5b43e8}.admin-metric-card.tone-green .admin-metric-icon{background:#eafaf2;color:#159a67}.admin-metric-card.tone-orange .admin-metric-icon{background:#fff4df;color:#d98012}.admin-metric-text-value{font-size:21px!important}.admin-dashboard-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(300px,.75fr);gap:18px}.admin-panel{background:#fff;border:1px solid var(--admin-line);border-radius:19px;padding:22px;box-shadow:0 8px 24px #202c4e0d}.admin-panel-wide{min-width:0}.admin-panel-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.admin-panel-heading>div{display:flex;align-items:center;gap:11px;min-width:0}.admin-panel-heading h2{margin:0;font-size:17px;color:var(--admin-ink)}.admin-panel-heading p{margin:3px 0 0;font-size:11.5px;color:var(--admin-subtle);line-height:1.45}.admin-panel-heading>a{display:inline-flex;align-items:center;gap:5px;color:var(--admin-primary);font-size:12px;font-weight:800;white-space:nowrap}.admin-panel-heading.compact{justify-content:flex-start}.admin-section-icon{width:38px;height:38px;display:grid;place-items:center;flex:0 0 auto;border-radius:11px;background:var(--admin-soft);color:var(--admin-primary)}.admin-grade-chart{display:grid;gap:16px;padding:4px 0 9px}.admin-grade-row{display:grid;grid-template-columns:110px minmax(120px,1fr) 45px;align-items:center;gap:12px}.admin-grade-label{display:grid}.admin-grade-label strong{font-size:13px;color:var(--admin-ink)}.admin-grade-label span{font-size:10.5px;color:var(--admin-subtle)}.admin-grade-track{height:14px;overflow:hidden;border-radius:999px;background:#edf0f6}.admin-grade-fill{height:100%;min-width:3px;border-radius:999px;background:linear-gradient(90deg,#4f46e5,#8b76ef);transition:width .3s ease}.admin-grade-value{font-size:13px;text-align:right;color:#394665}.admin-insight-strip{margin-top:17px;display:flex;align-items:center;gap:12px;padding:14px;border:1px solid #dddafe;border-radius:14px;background:#f7f6ff}.admin-insight-icon{width:40px;height:40px;display:grid;place-items:center;border-radius:11px;background:#e8e5ff;color:#5145d8}.admin-insight-strip div{display:grid}.admin-insight-strip small{font-size:9.5px;letter-spacing:.08em;font-weight:850;color:#746ca5}.admin-insight-strip strong{font-size:14px;color:#31298d}.admin-insight-strip span{font-size:11px;color:#6f6a8e;margin-top:2px}.admin-ranked-list,.admin-health-list,.admin-activity-list{display:grid;gap:10px}.admin-ranked-item{display:grid;grid-template-columns:30px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid #eef1f6}.admin-ranked-item:last-child{border-bottom:0}.admin-rank{width:26px;height:26px;display:grid;place-items:center;border-radius:8px;background:#f0efff;color:#4f46e5;font-weight:850;font-size:11px}.admin-ranked-item div{display:grid;min-width:0}.admin-ranked-item strong{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-ranked-item small{color:var(--admin-subtle);font-size:10px;margin-top:2px}.admin-ranked-item b{font-size:13px;color:#495571}.admin-health-list>div{display:flex;align-items:center;justify-content:space-between;padding:11px 0;border-bottom:1px solid #eef1f6}.admin-health-list>div:last-child{border-bottom:0}.admin-health-list span{font-size:12px;color:var(--admin-subtle)}.admin-health-list strong{font-size:16px;color:var(--admin-ink)}.admin-activity-item{display:grid;grid-template-columns:10px 1fr auto;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid #eef1f6}.admin-activity-item:last-child{border-bottom:0}.admin-activity-dot{width:8px;height:8px;border-radius:50%;background:#4f46e5}.admin-activity-dot.game{background:#1aaf73}.admin-activity-item div{display:grid;min-width:0}.admin-activity-item strong{font-size:12px}.admin-activity-item span{font-size:10.5px;color:var(--admin-subtle);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-activity-item small{font-size:10px;color:#7a8598;text-align:right}.admin-empty-state{padding:28px 16px;border:1px dashed #cfd7e6;border-radius:13px;background:#fafbfe;text-align:center;color:var(--admin-subtle);font-size:12px}.admin-empty-state.compact{padding:18px}.admin-two-column{display:grid;grid-template-columns:minmax(320px,.8fr) minmax(0,1.2fr);gap:18px;align-items:start}.admin-teacher-layout{grid-template-columns:minmax(330px,.72fr) minmax(520px,1.28fr)}.admin-create-panel{position:sticky;top:96px}.admin-form{display:grid;gap:13px}.admin-form label{display:grid;gap:6px;font-size:12px;font-weight:750;color:#35435d}.admin-form input,.admin-form select,.admin-form textarea,.admin-filter-row select,.admin-inline-fields select,.admin-table-select{width:100%;border:1px solid #dce2ed;background:#fff;border-radius:10px;padding:10px 11px;outline:0;color:#24334e}.admin-form input:focus,.admin-form select:focus,.admin-form textarea:focus,.admin-filter-row select:focus,.admin-inline-fields select:focus,.admin-table-select:focus{border-color:#9d96ee;box-shadow:0 0 0 3px #4f46e514}.admin-form label small{color:var(--admin-subtle);font-size:10px;font-weight:500;line-height:1.4}.admin-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:11px}.admin-security-note{display:flex;align-items:flex-start;gap:9px;padding:12px;border-radius:11px;background:#f3f7ff;border:1px solid #d9e6fb;color:#4f607d;font-size:11px;line-height:1.5}.admin-security-note svg{color:#2b72d4;flex:0 0 auto}.admin-search-box{display:flex;align-items:center;gap:8px;border:1px solid #dce2ed;border-radius:10px;padding:0 10px;background:#fff;color:#7b879b}.admin-search-box input{border:0!important;box-shadow:none!important;outline:0;width:100%;padding:10px 2px;background:transparent}.admin-card-list{display:grid;gap:12px;margin-top:16px;max-height:720px;overflow:auto;padding-right:3px}.admin-person-card{border:1px solid #e3e8f2;border-radius:15px;padding:15px;background:#fcfdff}.admin-person-main{display:grid;grid-template-columns:auto 1fr auto;gap:11px;align-items:center}.admin-person-main>div{display:grid;min-width:0}.admin-person-main strong{font-size:13px;color:var(--admin-ink)}.admin-person-main span:not(.admin-status-pill){display:flex;align-items:center;gap:4px;font-size:10.5px;color:var(--admin-subtle);margin-top:3px}.admin-avatar{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:#eeedff;color:#5146d7;flex:0 0 auto}.admin-avatar.student{background:#eaf5ff;color:#1774c9}.admin-avatar.lesson{background:#eaf2ff;color:#1769e0}.admin-avatar.game{background:#e9faf1;color:#129263}.admin-status-pill{display:inline-flex;align-items:center;justify-content:center;width:max-content;border-radius:999px;padding:4px 8px;font-size:9.5px!important;font-weight:850;text-transform:capitalize;background:#eef1f6;color:#566179}.admin-status-pill.active,.admin-status-pill.published{background:#e9f9f1;color:#0f8b59}.admin-status-pill.disabled,.admin-status-pill.archived{background:#fff0f0;color:#b64a4a}.admin-status-pill.draft{background:#fff6e7;color:#ab6d12}.admin-inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:13px}.admin-inline-fields label{display:grid;gap:5px;font-size:9.5px;font-weight:800;color:#68758a}.admin-inline-fields select{padding:8px 9px;font-size:11px}.admin-person-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;padding-top:11px;border-top:1px solid #edf0f5}.admin-text-button{border:0;background:transparent;color:#4f46e5;display:inline-flex;align-items:center;gap:5px;padding:4px 2px;font-size:10.5px;font-weight:800}.admin-text-button:hover{text-decoration:underline}.admin-text-button.danger{color:#bd4545}.admin-text-button.positive{color:#13885c}.admin-grade-summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.admin-grade-summary-card{display:flex;align-items:center;gap:10px;padding:14px 16px;background:#fff;border:1px solid var(--admin-line);border-radius:15px}.admin-grade-summary-card>span{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:#edf3ff;color:#4470d4}.admin-grade-summary-card>div{display:grid}.admin-grade-summary-card strong{font-size:19px;color:var(--admin-ink)}.admin-grade-summary-card small{font-size:10.5px;color:var(--admin-subtle)}.admin-filter-row{display:grid;grid-template-columns:minmax(220px,1fr) 170px 170px;gap:10px;margin-bottom:16px}.admin-responsive-table{overflow:auto;border:1px solid #edf0f5;border-radius:13px}.admin-responsive-table table{min-width:760px;background:#fff}.admin-responsive-table th{background:#f8f9fc;color:#738097;padding:11px 12px}.admin-responsive-table td{padding:12px}.admin-table-person{display:flex;align-items:center;gap:10px;min-width:190px}.admin-table-person>div{display:grid}.admin-table-person strong{font-size:12px;color:var(--admin-ink)}.admin-table-person small{display:flex;align-items:center;gap:4px;margin-top:3px;color:var(--admin-subtle);font-size:10px}.admin-table-select{min-width:120px;padding:7px 8px;font-size:11px}.admin-mini-metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.admin-mini-metric-grid article{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--admin-line);border-radius:14px;padding:14px;color:#4f46e5}.admin-mini-metric-grid article div{display:grid}.admin-mini-metric-grid strong{font-size:20px;color:var(--admin-ink)}.admin-mini-metric-grid span{font-size:10.5px;color:var(--admin-subtle)}.admin-analytics-bars{display:grid;gap:15px}.admin-analytics-row{display:grid;grid-template-columns:90px minmax(100px,1fr) 34px;gap:10px;align-items:center}.admin-analytics-row>div:first-child{display:grid}.admin-analytics-row strong{font-size:11.5px}.admin-analytics-row span{font-size:9.5px;color:var(--admin-subtle)}.admin-analytics-track{height:12px;background:#edf0f6;border-radius:999px;overflow:hidden}.admin-analytics-track>span{display:block;height:100%;min-width:3px;background:linear-gradient(90deg,#4f46e5,#8b76ef);border-radius:999px}.admin-analytics-bars.completion .admin-analytics-track>span{background:linear-gradient(90deg,#139765,#35bc86)}.admin-analytics-row b{font-size:12px;text-align:right}.admin-analytics-table-panel{margin-top:0}.admin-insight-banner{display:flex;align-items:flex-start;gap:12px;padding:15px 17px;border-radius:14px;border:1px solid #dce5f7;background:#f6f9ff;color:#41608e}.admin-insight-banner>div{display:grid}.admin-insight-banner strong{font-size:12px}.admin-insight-banner span{font-size:10.5px;line-height:1.5;margin-top:2px}.admin-report-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.admin-report-card{display:grid;align-content:start;gap:15px;padding:22px;background:#fff;border:1px solid var(--admin-line);border-radius:18px;box-shadow:0 8px 24px #202c4e0d}.admin-report-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:13px;background:#efedff;color:#5146d7}.admin-report-card h2{font-size:16px;margin:0}.admin-report-card p{font-size:11.5px;line-height:1.55;color:var(--admin-subtle);margin:5px 0 0;min-height:54px}.admin-report-card .admin-button{justify-self:start}.settings-layout{grid-template-columns:minmax(400px,1fr) minmax(300px,.75fr)}.admin-toggle-row{grid-template-columns:auto 1fr!important;align-items:flex-start!important}.admin-toggle-row input{width:auto!important;margin-top:2px}.admin-toggle-row span{display:grid}.admin-toggle-row strong{font-size:12px}.admin-toggle-row small{margin-top:2px}.admin-governance-list{display:grid;gap:13px}.admin-governance-list>div{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid #edf0f5;border-radius:12px;background:#fbfcfe;color:#4f46e5}.admin-governance-list span{display:grid}.admin-governance-list strong{font-size:11.5px;color:var(--admin-ink)}.admin-governance-list small{font-size:10.5px;color:var(--admin-subtle);line-height:1.5;margin-top:2px}.admin-system-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.admin-system-card{display:flex;align-items:flex-start;gap:13px}.admin-system-card>svg{color:#4f46e5}.admin-system-card h2{font-size:15px;margin:0}.admin-system-card p{font-size:11px;color:var(--admin-subtle);line-height:1.5}@media(max-width:1220px){.admin-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.admin-dashboard-grid,.admin-two-column,.admin-teacher-layout,.settings-layout{grid-template-columns:1fr}.admin-create-panel{position:static}.admin-report-grid,.admin-system-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:900px){.role-sidebar{position:fixed;left:-270px;top:76px;height:calc(100vh - 76px);z-index:35;transition:left .2s ease}.role-sidebar.open{left:0}.admin-page-header,.admin-hero-header{align-items:flex-start;flex-direction:column}.admin-filter-row{grid-template-columns:1fr 1fr}.admin-filter-row .admin-search-box{grid-column:1/-1}.admin-grade-summary-grid,.admin-mini-metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.admin-page{gap:14px}.admin-page-header,.admin-hero-header{padding:20px;border-radius:17px}.admin-page-header h1,.admin-hero-header h1{font-size:27px}.admin-header-actions{width:100%}.admin-header-actions .admin-button{flex:1}.admin-metric-grid,.admin-grade-summary-grid,.admin-mini-metric-grid,.admin-report-grid,.admin-system-grid{grid-template-columns:1fr}.admin-panel{padding:16px;border-radius:15px}.admin-panel-heading{align-items:flex-start}.admin-panel-heading>a{display:none}.admin-grade-row{grid-template-columns:78px 1fr 32px}.admin-grade-label span{display:none}.admin-form-grid,.admin-inline-fields,.admin-filter-row{grid-template-columns:1fr}.admin-filter-row .admin-search-box{grid-column:auto}.admin-person-main{grid-template-columns:auto 1fr}.admin-person-main .admin-status-pill{grid-column:2}.admin-activity-item{grid-template-columns:9px 1fr}.admin-activity-item>small{grid-column:2;text-align:left}}