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.button:focus-visible,.a4-tool-card a:focus-visible,.a4-video a:focus-visible{outline:3px solid #d946ef;outline-offset:3px}
.button.ghost{background:#182842!important;border-color:#6399ad!important;color:#f8fafc!important;box-shadow:none}
.button.ghost:hover{background:#233e5e!important;border-color:#22d3ee!important;color:#fff!important}
.a4-dashboard{max-width:1320px;margin:2.5rem auto 5rem}.a4-dashboard-head{margin-bottom:1.5rem}.a4-dashboard-head h1{font-size:clamp(2rem,4vw,3.4rem);margin:.4rem 0}.a4-dashboard-head p{color:#cbd5e1;font-size:1.05rem}.a4-dashboard-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr;gap:1rem}.a4-dashboard-card{display:flex;flex-direction:column;min-height:260px;padding:1.6rem;border:1px solid #42617d;border-radius:23px;background:radial-gradient(circle at 100% 0,#22d3ee18,transparent 48%),#192842;box-shadow:0 18px 42px #050a1650}.a4-dashboard-notes{background:radial-gradient(circle at 100% 0,#a78bfa20,transparent 50%),#242044;border-color:#655785}.a4-dashboard-project{background:radial-gradient(circle at 100% 0,#d946ef19,transparent 50%),#192842}.a4-card-kicker{color:#67e8f9;font-size:.72rem;font-weight:800;letter-spacing:.17em}.a4-dashboard-card h2{font-size:clamp(1.45rem,2.5vw,2.2rem);margin:1rem 0 .45rem}.a4-dashboard-card p{color:#cbd5e1;line-height:1.55;margin:0 0 1rem}.a4-dashboard-card p strong{color:#f8fafc}.a4-dashboard-card .a4-course-progress{margin:auto 0 1.2rem;max-width:none}.a4-dashboard-card .a4-course-progress strong{font-size:.85rem}.a4-dashboard-card>.button{align-self:flex-start;margin-top:auto}.a4-dashboard-course>.button{margin-top:0}
.a4-course-end>div,.a4-course-end>div:nth-child(2){background:#192842;color:#f8fafc;border:1px solid #45617c;box-shadow:0 18px 35px #0309173b}.a4-course-end>div:nth-child(2){background:#242044;border-color:#675887}.a4-course-end p{color:#cbd5e1}.a4-course-end small{color:#cbd5e1}
.a4-notebook form,.a4-project-form{background:#192842;color:#f8fafc;border:1px solid #486583}.a4-notebook .field span,.a4-project-form .field span{color:#e3eff7}.a4-notebook form textarea,.a4-project-form textarea,.a4-project-form input,.a4-project-form select{background:#111c32!important;color:#f8fafc!important;border:1px solid #617b98!important}.a4-notebook form textarea:focus,.a4-project-form textarea:focus,.a4-project-form input:focus,.a4-project-form select:focus{border-color:#22d3ee!important;box-shadow:0 0 0 3px #22d3ee25}.a4-notebook textarea::placeholder,.a4-project-form textarea::placeholder{color:#a9bbcc}.a4-save-status{color:#cbd5e1}
.a4-center-feature,.a4-center-feature:nth-child(2),.a4-center-feature:nth-child(3){background:#192842;color:#f8fafc;border:1px solid #46627e;box-shadow:0 16px 35px #03081740}.a4-center-feature:nth-child(2){background:#242044;border-color:#695787}.a4-center-feature>span,.a4-center-feature p{color:#cbd5e1}.a4-center-feature>a:not(.button),.a4-center-feature details a{color:#83ecf5}.a4-center-feature details{border-color:#526784}.a4-center-stats span{background:#192842;color:#f8fafc;border:1px solid #4b6b87}.a4-teacher-notes{background:#192842;color:#f8fafc;border:1px solid #486583}.a4-teacher-notes textarea{background:#111c32;color:#f8fafc;border-color:#617b98}.a4-teacher-notes small{color:#cbd5e1}
.a4-login .campus-login-form{background:#192842;color:#f8fafc}.a4-login .campus-login-form h2{color:#f8fafc}.a4-login .campus-login-form p,.a4-login .campus-login-form .field span{color:#cbd5e1}.a4-login .campus-login-form input{background:#111c32!important;color:#f8fafc!important;border-color:#617b98!important}.a4-login .auth-links a,.a4-login .form-note a{color:#83ecf5}
.a4-tools{margin:1.5rem 0 2rem;padding:1.3rem;border:1px solid #496785;border-radius:20px;background:linear-gradient(130deg,#162942,#211e3d)}.a4-tools-heading h3{font-size:1.35rem;margin:.2rem 0}.a4-tools-heading p{color:#cbd5e1;margin:0 0 1.1rem}.a4-tools-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,245px),1fr));gap:.8rem}.a4-tool-card{display:flex;flex-direction:column;min-width:0;padding:1.15rem;border:1px solid #52748a;border-radius:14px;background:#111c32}.a4-tool-card:nth-child(even){background:#242044;border-color:#715f95}.a4-tool-card>span{color:#8deaf3;font-size:.7rem;letter-spacing:.13em;text-transform:uppercase;font-weight:800}.a4-tool-card h4{font-size:1.28rem;margin:.5rem 0}.a4-tool-card p{font-size:.9rem;color:#d3dfeb;line-height:1.5;margin:0 0 .8rem}.a4-tool-card a{align-self:flex-start;margin-top:auto;padding:.53rem .78rem;border:1px solid #22d3ee;border-radius:9px;background:#1a394e;color:#f8fafc;font-size:.85rem;font-weight:800}.a4-tool-card a:hover{background:#265573;text-decoration:none}.a4-tool-card small{display:block;color:#cbd5e1;font-size:.76rem;line-height:1.4;margin-top:.75rem}
.a4-video-list{max-width:850px;gap:.55rem}.a4-video{grid-template-columns:220px minmax(0,1fr);align-items:center;gap:1rem;margin:0;padding:1rem;border:1px solid #3d5c76;border-radius:16px;background:#17263d}.a4-video:nth-child(even){background:#211f3d;border-color:#5d4f80}.a4-video-cover{border-radius:10px}.a4-video h4{font-size:1.04rem;line-height:1.3;margin:.15rem 0 .4rem}.a4-video p{font-size:.85rem;line-height:1.45;margin:0 0 .45rem}.a4-video a{font-size:.85rem;font-weight:800;color:#83ecf5}.a4-video .eyebrow{font-size:.67rem;letter-spacing:.13em;margin:0}.a4-video-play{width:46px;height:46px;background:#22d3ee;color:#0b1120;box-shadow:0 6px 22px #0008}.a4-video small{display:none}.a4-video-empty{background:#192842;color:#cbd5e1;border:1px solid #45617e}
.a4-lesson-layout .visual-explorer,.a4-lesson-layout .visual-summary{background:linear-gradient(125deg,#192842,#242044);color:#f8fafc;border:1px solid #54718c}.a4-lesson-layout .visual-explorer-header h3,.a4-lesson-layout .visual-explorer-header p,.a4-lesson-layout .visual-summary h3,.a4-lesson-layout .visual-summary p{color:#f8fafc}.a4-lesson-layout .visual-step,.a4-lesson-layout .neural-comparison article,.a4-lesson-layout .neural-comparison article+article,.a4-lesson-layout .visual-feedback,.a4-lesson-layout .prompt-builder-result,.a4-lesson-layout .round-stage,.a4-lesson-layout .visual-decision-table,.a4-lesson-layout .visual-photo-gallery figure,.a4-lesson-layout .site-preview,.a4-lesson-layout .app-demo-screen,.a4-lesson-layout .visual-summary li{background:#192842;color:#f8fafc;border-color:#54718c}.a4-lesson-layout .visual-step p,.a4-lesson-layout .visual-step summary,.a4-lesson-layout .round-stage h4,.a4-lesson-layout .round-stage p,.a4-lesson-layout .visual-decision-table td:first-child,.a4-lesson-layout .visual-photo-gallery figcaption,.a4-lesson-layout .site-preview-body p,.a4-lesson-layout .app-demo-screen p,.a4-lesson-layout .visual-summary a{color:#e3f2f9}.a4-lesson-layout .round-stage>span,.a4-lesson-layout .app-demo-screen>span{color:#83ecf5}.a4-lesson-layout .visual-decision-table td{border-color:#425d77}.a4-lesson-layout .visual-decision-table th{background:#244a61}.a4-lesson-layout .visual-summary li:before{color:#e195ed}
.a4-slide li{background:#192842;color:#f8fafc;border:1px solid #79d5e4}
@media(max-width:1000px){.a4-dashboard-grid{grid-template-columns:1fr 1fr}.a4-dashboard-course{grid-column:1/-1;min-height:225px}}
@media(max-width:700px){.a4-dashboard{margin:1.5rem auto 4rem}.a4-dashboard-grid{grid-template-columns:1fr}.a4-dashboard-course{grid-column:auto}.a4-dashboard-card{min-height:0;padding:1.3rem}.a4-dashboard-card .a4-course-progress{margin:1rem 0}.a4-dashboard-card>.button{margin-top:.4rem}.a4-tools{padding:1rem}.a4-video{grid-template-columns:1fr;padding:.85rem}.a4-video-cover{width:100%}.a4-video h4{font-size:1rem}}