/* Learning design system: loaded after legacy feature styles. */
:root{--bg:#f2f7f0;--surface:#fff;--surface2:#eaf3e6;--border:#dce8d9;--text:#183127;--text2:#385846;--text3:#536e5d;--green-50:#f1f7ee;--green-100:#e4f3e8;--green-200:#c9dfc8;--green-300:#acd3a9;--green-400:#86bf82;--green-500:#3c955a;--green-600:#237a4b;--green-700:#216841;--green-800:#1b5035;--green-900:#123d2b;--emerald:#3d955f;--radius:22px;--radius-sm:12px;--shadow:0 4px 20px #143d2610;--shadow-lg:0 14px 45px #143d2618}
body.learning-app{background:var(--bg);font-family:'Plus Jakarta Sans','Segoe UI',sans-serif;line-height:1.6}.learning-app h1,.learning-app h2,.learning-app h3{letter-spacing:-.035em}.learning-app button,.learning-app input,.learning-app select,.learning-app textarea{font-family:inherit}.learning-app :focus-visible{outline:3px solid #438b48;outline-offset:3px}.skip-link{position:fixed;left:12px;top:-80px;background:var(--surface);color:var(--text);padding:12px 18px;z-index:2000;border-radius:12px}.skip-link:focus{top:12px}.learning-app .sidebar{width:242px;background:var(--surface);border-right:1px solid var(--border);padding:8px;box-shadow:none}.learning-app .sidebar-logo{padding:22px 14px;border-color:var(--border)}.learning-app .sidebar-logo h2{color:var(--text);font-size:17px}.learning-app .sidebar-logo h2 span{color:var(--green-600);display:block;margin-top:3px}.learning-app .sidebar-user{background:var(--surface2);margin:14px 5px;padding:12px}.learning-app .user-name{color:var(--text);font-size:12px;max-width:145px}.learning-app .user-role{color:var(--text3);font-size:10px;line-height:1.6}.learning-app .user-avatar{background:#c8dfbd;color:#164e32}.learning-app .sidebar-nav{padding:0 5px 12px}.learning-app .nav-section-label{color:var(--text3);font-size:9px;letter-spacing:.12em;padding:0 12px;margin-top:22px}.learning-app .nav-item{min-height:48px;gap:12px;padding:11px 13px;border-radius:13px;color:var(--text2);font-size:12px;margin-bottom:4px}.learning-app .nav-item:hover{background:var(--surface2);color:var(--text)}.learning-app .nav-item.active{background:#e3f0dd;color:#164c30;box-shadow:none;font-weight:800}.learning-app .nav-icon{width:26px;height:26px;flex:0 0 26px}.learning-app .sidebar-bottom{border-color:var(--border);padding:12px 6px}.learning-app .logout-btn{color:var(--text3);display:flex;align-items:center;gap:12px;font-size:12px}.learning-app .sidebar-close-btn{background:var(--surface2);color:var(--text)}.learning-app .main-content{margin-left:242px;min-width:0;background:var(--bg)}.learning-app .top-bar{background:var(--bg);border:0;padding:25px 32px 18px;box-shadow:none;backdrop-filter:blur(16px);gap:15px}.learning-app .top-bar-title{font-size:22px;font-weight:750;letter-spacing:-.04em}.learning-app .top-bar-subtitle{font-size:11px;max-width:480px;color:var(--text3)}.learning-app .top-bar-right{gap:8px}.learning-app .content-area{padding:12px 32px 40px;max-width:1600px;width:100%;margin:0 auto;min-width:0}.learning-app .hero-card{border:0;border-radius:24px;background:linear-gradient(125deg,#173f2b,#397a46);padding:30px 34px;color:#fff;box-shadow:none;isolation:isolate}.learning-app .hero-card h2{font-size:30px;font-weight:650;line-height:1.2}.learning-app .hero-card p{color:#e3f1df;font-size:13px;line-height:1.8;max-width:780px}.learning-app .hero-card::after{opacity:.13}.learning-app .card,.learning-app .stat-card,.learning-app .table-wrap,.learning-app .student-class-card-v21,.learning-app .class-card,.learning-app .media-card,.learning-app .material-card,.learning-app .game-card{border:1px solid var(--border);box-shadow:none;border-radius:20px;background:var(--surface);color:var(--text)}.learning-app .card{padding:24px}.learning-app .card h3{font-size:16px;font-weight:700}.learning-app .card p{line-height:1.7}.learning-app .stat-card{padding:20px;min-height:140px;position:relative;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:3px}.learning-app .stat-card::before{display:none}.learning-app .stat-icon{background:none;border:0;box-shadow:none;width:42px;height:42px;padding:0;margin-bottom:8px}.learning-app .stat-value{font-size:30px;letter-spacing:-.05em;line-height:1.2;font-weight:700}.learning-app .stat-label{font-size:11px;color:var(--text3)}.learning-app .grid-4.auto-grid:has(.stat-card){grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.learning-app .chart-container{position:relative;min-height:240px}.learning-app .chart-box{min-width:0}.learning-app .page-head{gap:16px;align-items:center;margin:8px 0 22px}.learning-app .page-head h2{font-size:24px}.learning-app .page-head p{font-size:12px;line-height:1.7}.learning-app .btn,.learning-app .btn-primary,.learning-app .btn-add,.learning-app .btn-save{background:var(--green-900);border:1px solid transparent;box-shadow:none;border-radius:100px;min-height:42px;padding:10px 19px;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;line-height:1.5;white-space:normal}.learning-app .btn:hover,.learning-app .btn-primary:hover{background:var(--green-700);box-shadow:var(--shadow);transform:translateY(-1px)}.learning-app .btn-primary{width:100%}.learning-app .btn-secondary{background:var(--surface2);color:var(--text);border-color:var(--border)}.learning-app .btn-danger{background:#fff0ed;color:#a62c30;border-color:#f2cbc3}.learning-app .btn-edit,.learning-app .btn-delete,.learning-app .icon-btn{border-radius:9px;padding:7px 12px;min-height:34px;font-size:11px}.learning-app .btn-edit{background:#edf5e9;color:#245f39}.learning-app .btn-delete{background:#fff0ed;color:#a62c30}.learning-app .card-actions{gap:9px;flex-wrap:wrap}.learning-app .form-group input,.learning-app .form-group select,.learning-app .form-group textarea,.learning-app .search-input{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;min-height:44px;padding:11px 14px;box-shadow:none;max-width:100%;font-size:13px}.learning-app .form-group label{font-size:12px;font-weight:650;margin-bottom:7px;color:var(--text2);display:block}.learning-app .table-wrap{overflow:auto;max-width:100%;scrollbar-width:thin}.learning-app .table-wrap table{width:100%;border-collapse:collapse;min-width:650px}.learning-app .table-wrap th{background:var(--surface2);font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--text3);padding:16px;white-space:nowrap}.learning-app .table-wrap td{font-size:12px;padding:16px;vertical-align:middle;border-bottom:1px solid var(--border)}.learning-app .table-wrap tbody tr:hover{background:var(--green-50)}.learning-app .action-btns{gap:6px;flex-wrap:wrap}.learning-app .pill{font-size:10px;border-radius:8px}.learning-app .modal-box{border-radius:24px;background:var(--surface);padding:28px;max-width:850px;box-shadow:0 30px 90px #123d2b30}.learning-app .modal-title{font-size:21px}.learning-app .modal-overlay{background:#102b2466;backdrop-filter:blur(7px)}.learning-app .modal-x{background:var(--surface2);color:var(--text)}.learning-app .modal-actions{padding-top:15px;border-top:1px solid var(--border)}.learning-app .path-list{gap:10px}.learning-app .path-step{border-radius:15px;padding:16px 13px;background:#ffffff12;border:1px solid #ffffff24;min-height:0}.learning-app .path-step strong{font-size:11px}.learning-app .path-step small{font-size:10px;color:#e3eddf;line-height:1.6}.learning-app .path-step .num{background:#f1e7b8;color:#3f532b}.learning-app .progress-line{height:6px;background:#ffffff29}.learning-app .progress-fill{background:#d6edb6}.learning-app .insight-item{padding:13px;border-radius:12px;background:var(--green-50);line-height:1.7;font-size:12px}.learning-app .xp-chip,.learning-app .accessibility-chip{background:var(--surface);border-color:var(--border);color:var(--text2);font-size:10px}.learning-app .lang-switch{border-radius:100px;background:var(--surface);border:1px solid var(--border)}.learning-app .lang-switch button{min-width:35px;min-height:32px;background:transparent;color:var(--text3)}.learning-app .lang-switch button.active{background:var(--green-900);color:white;border-radius:100px}.sync-status{display:block;max-width:220px;font-size:10px;color:var(--text3);line-height:1.5}.sync-status:before{content:'';display:inline-block;width:6px;height:6px;background:#48a767;border-radius:50%;margin-right:6px}.sync-status[data-state='error'],.sync-status[data-state='conflict']{color:#9a4b15}.sync-status[data-state='error']:before,.sync-status[data-state='conflict']:before{background:#d89825}.sync-status[data-state='saving']:before{background:#6391c8}.learning-app .empty-state{padding:35px 20px;color:var(--text3);font-size:13px}.learning-app #authPage{background:radial-gradient(ellipse at 20% 30%,#d5e7ce,transparent 50%),#eef5e9;padding:40px 20px}.learning-app #authPage::before,.learning-app #authPage::after,.learning-app .floating-leaves{display:none}.learning-app .auth-card{max-width:480px;background:#fff;border:1px solid var(--border);padding:35px;border-radius:28px;box-shadow:0 24px 70px #123d2b15;animation:none}.learning-app .auth-back-link{font-size:11px;background:var(--green-50);border-color:var(--border);color:var(--text3)}.learning-app .auth-logo h1{font-size:26px;font-family:inherit;color:var(--text)}.learning-app .auth-subtitle{font-size:11px;line-height:1.7;color:var(--text3);margin-bottom:23px}.learning-app .tab-switch{background:var(--surface2);padding:5px;border-radius:100px}.learning-app .tab-switch .tab-btn{border-radius:100px;color:var(--text2);padding:10px}.learning-app .tab-switch .tab-btn.active{background:var(--green-900);color:white}.learning-app [hidden]{display:none!important}.dashboard-intro{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:2px 0 22px}.dashboard-intro h2{font-size:27px;font-weight:650;margin:0 0 5px}.dashboard-intro p{font-size:12px;color:var(--text3);margin:0}.dashboard-date{font-size:11px;color:var(--text3);text-align:right}.dashboard-shortcuts{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}.dashboard-shortcuts button{display:flex;align-items:center;gap:9px;border:1px solid var(--border);background:var(--surface);padding:10px 17px;border-radius:100px;color:var(--text);font-size:11px;cursor:pointer}.dashboard-shortcuts .premium-icon{width:23px;height:23px}.eduplay-management{margin-top:24px;border:1px solid var(--border);background:var(--surface);border-radius:20px;padding:18px 22px}.eduplay-management>summary{font-size:14px;font-weight:700;cursor:pointer;color:var(--text)}.eduplay-management>summary small{font-size:10px;font-weight:400;display:block;color:var(--text3);margin-top:4px}.chart-fallback{display:grid;gap:12px;padding:20px}.chart-fallback div{display:flex;gap:12px;align-items:center;font-size:12px}.chart-fallback progress{flex:1;min-width:70px;accent-color:#237a4b}.premium-icon:has(.illustrated-icon){background:none!important;border:0!important;border-radius:0!important;box-shadow:none!important;padding:0!important;line-height:1;vertical-align:middle;display:inline-flex;flex-shrink:0;width:1.4em;height:1.4em}.premium-icon svg.illustrated-icon{width:100%!important;height:100%!important;fill:initial!important;stroke:none!important;stroke-width:initial!important;filter:drop-shadow(0 2px 1px #143d2420)!important;overflow:visible}.premium-icon svg.illustrated-icon *{vector-effect:none!important}.learning-app .nav-icon .premium-icon{width:26px!important;height:26px!important}.learning-app .stat-icon .premium-icon{width:42px!important;height:42px!important}.illustrated-icon{overflow:visible}.learning-app .hero-card .premium-icon{filter:none}.learning-app .premium-icon::before,.learning-app .premium-icon::after{display:none!important}.learning-app .grid>*{min-width:0}.learning-app .game-banner{background:linear-gradient(120deg,#173f2b,#4c8959);border-radius:24px}.learning-app .daily-xp-inline-v27{border-radius:12px}.learning-app .daily-xp-history-v27{border-radius:16px}.learning-app .student-class-grid-v21{grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr))}.learning-app .student-class-card-v21{max-width:none}.learning-app .student-class-card-v21 h3{font-size:18px}
/* EduPlay: same green family, retaining the game's semantic objects and rules. */
body:not(.learning-app):has(#game-selector){background:#eff5e9;color:#183127}body:has(#game-selector) .stars{display:none}body:has(#game-selector) #app{max-width:1200px;margin:auto;padding:32px 24px}body:has(#game-selector) .game-card{background:#fff!important;border:1px solid #d7e5d2!important;border-radius:24px!important;box-shadow:0 5px 20px #17492a09!important;color:#183127!important}body:has(#game-selector) .game-card h3{color:#183127}body:has(#game-selector) .game-card p{color:#536e5d}body:has(#game-selector) .card-badge{background:#e6f1df;color:#285b3a}body:has(#game-selector) .card-emoji .premium-icon{width:70px!important;height:70px!important}body:has(#game-selector) .tab-btn.active{background:#205a36;color:white}body:has(#game-selector) .eduplay-back-to-app{background:#fff;color:#205a36;border:1px solid #d7e5d2}body:has(#game-selector) .eduplay-hero-v26{background:linear-gradient(120deg,#173f2b,#437a49);border-radius:24px}
@media(min-width:1025px){.learning-app .mobile-menu-btn{display:none}.learning-app .sidebar{transform:none}.learning-app .sidebar-overlay{display:none!important}}
@media(max-width:1180px){.learning-app .grid-4.auto-grid:has(.stat-card){grid-template-columns:repeat(2,minmax(0,1fr))}.learning-app .path-list{grid-template-columns:repeat(3,minmax(0,1fr))}.learning-app .top-bar{padding:20px}.learning-app .content-area{padding:12px 20px 30px}.sync-status{max-width:150px}}
@media(max-width:1024px){.learning-app .sidebar{width:270px;transform:translateX(-100%)}.learning-app .sidebar.open{transform:translateX(0)}.learning-app .main-content{margin-left:0}.learning-app .mobile-menu-btn{display:grid;place-items:center;flex-shrink:0;background:var(--surface);color:var(--text);border-color:var(--border)}.learning-app .sidebar-close-btn{display:block}.learning-app .top-bar{flex-wrap:wrap;position:relative}.learning-app .top-bar>div:not(.top-bar-right){flex:1;min-width:0}.learning-app .top-bar-right{margin-left:auto}.learning-app .grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.learning-app .top-bar{padding:18px 18px 8px;gap:10px}.learning-app .top-bar-title{font-size:19px}.learning-app .top-bar-subtitle{font-size:10px}.learning-app .top-bar-right{width:100%;justify-content:flex-end}.sync-status{max-width:none;margin-right:auto;font-size:9px}.learning-app .content-area{padding:14px 16px 28px}.learning-app .hero-card{padding:24px;border-radius:20px}.learning-app .hero-card h2{font-size:24px}.learning-app .hero-card p{font-size:12px}.learning-app .card{padding:20px}.learning-app .grid-2,.learning-app .grid-3{grid-template-columns:1fr}.learning-app .grid-4.auto-grid:has(.stat-card){grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:10px}.learning-app .grid-4.auto-grid:has(.stat-card) .stat-card{min-height:125px;padding:16px;border-radius:18px;align-items:flex-start}.learning-app .grid-4.auto-grid:has(.stat-card) .stat-value{font-size:25px;word-break:normal}.learning-app .grid-4.auto-grid:has(.stat-card) .stat-icon{width:34px;height:34px;margin-bottom:6px;background:none;border:0}.learning-app .grid-4.auto-grid:has(.stat-card) .stat-label{font-size:10px}.learning-app .path-list{grid-template-columns:repeat(2,minmax(0,1fr))}.learning-app .settings-grid,.learning-app .profile-layout{grid-template-columns:1fr}.learning-app .page-head{align-items:flex-start;flex-wrap:wrap}.learning-app .page-head h2{font-size:22px}.learning-app .modal-overlay{padding:12px}.learning-app .modal-box{padding:20px;border-radius:20px;max-height:92dvh}.learning-app .modal-actions .btn{flex:1;min-width:120px}.learning-app .auth-card{padding:26px}.dashboard-intro h2{font-size:23px}.dashboard-date{display:none}.dashboard-shortcuts{gap:7px}.dashboard-shortcuts button{font-size:10px;padding:9px 12px}.learning-app .chart-container{min-height:210px}.learning-app .table-wrap table{min-width:650px}.learning-app .table-wrap th,.learning-app .table-wrap td{padding:12px}.learning-app .btn{min-height:42px}.learning-app .hero-card .card-actions>.btn{flex:1 1 120px}.learning-app .hide-mobile-accessibility{display:none}}
@media(max-width:380px){.learning-app .path-list{grid-template-columns:1fr}.learning-app .grid-4.auto-grid:has(.stat-card) .stat-value{font-size:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
body.learning-app.high-contrast{--bg:#07170d;--surface:#102519;--surface2:#1b3523;--border:#8ed99f;--text:#fff;--text2:#edfff0;--text3:#c4ebce}body.learning-app.high-contrast .nav-item.active{background:#24563a;color:white}body.learning-app.high-contrast .auth-card{background:var(--surface)}body.learning-app.high-contrast .btn-secondary{color:var(--text)}body.learning-app.text-large .content-area{font-size:18px}body.learning-app.text-large .content-area p,body.learning-app.text-large .table-wrap td{font-size:16px}body.learning-app.text-large .nav-item{font-size:15px}body.learning-app.text-large .path-step small{font-size:14px}body.learning-app.large-buttons button,body.learning-app.large-buttons input,body.learning-app.large-buttons select{min-height:48px!important}
@media print{.sidebar,.top-bar,.dashboard-shortcuts,.sync-status{display:none!important}.learning-app .main-content{margin:0}.learning-app .content-area{padding:0}.learning-app .card{break-inside:avoid}}
/* Game home uses light surfaces; active games retain a dark green play area. */
body:has(#game-selector) #app>header h1{background:none;-webkit-text-fill-color:#205a36;color:#205a36;animation:none;filter:none}
body:has(#game-selector) #app>header p{color:#4d6b57;font-size:15px}
body:has(#game-selector) .game-card h2{color:#183127}
body:has(#game-selector) .tab-btn{color:#285b3a;border-color:#cbdec6;background:#fff}
body:has(#game-selector) .tab-btn.active,body:has(#game-selector) .tab-btn:hover{background:#205a36;color:#fff;border-color:#205a36}
body:has(#game-selector) .game-screen{padding:24px;background:linear-gradient(130deg,#143d2b,#265b38);border-radius:24px;color:#fff}
body:has(#game-selector) .game-card:focus-visible{outline:3px solid #237a4b;outline-offset:4px}
body:has(#game-selector).reduce-motion *,body:has(#game-selector).reduce-motion *::before,body:has(#game-selector).reduce-motion *::after{animation:none!important;transition:none!important}
@media(max-width:600px){body:has(#game-selector) #app{padding:24px 14px}body:has(#game-selector) .game-screen{padding:16px 10px}body:has(#game-selector) .game-card{padding:24px 18px}}