html,body{font-family:Inter,system-ui,-apple-system,sans-serif!important}*{box-sizing:border-box;margin:0;padding:0}body{color:#1e293b;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f1f5f9;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.6}.page-center{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.card{background:#fff;border-radius:20px;padding:40px;box-shadow:0 20px 40px #00000026}.card-large{grid-template-columns:1fr 1fr;width:100%;max-width:1000px;display:grid;overflow:hidden}@media (width<=900px){.card-large{grid-template-columns:1fr}}.form-group{margin-bottom:20px}label{margin-bottom:6px;font-size:14px;font-weight:500;display:block}input{border:1px solid #e2e8f0;border-radius:12px;width:100%;padding:12px 14px;font-size:14px;transition:all .2s}input:focus{border-color:#3b82f6;outline:none}.button-primary{color:#fff;cursor:pointer;background:#0f172a;border:none;border-radius:14px;width:100%;padding:14px;font-weight:600;transition:all .2s}.button-primary:disabled{opacity:.6;cursor:not-allowed}.text-muted{color:#64748b;font-size:14px}.text-danger{color:#ff6767;font-size:14px;font-weight:600}.text-success{color:#37b766;font-size:14px;font-weight:600}.link{color:#3b82f6;font-weight:500;text-decoration:none}.app-layout{background:#f1f5f9;min-height:100vh;display:flex}.sidebar{color:#fff;background:#0f172a;width:240px;height:100vh;padding:30px 20px;position:fixed}.sidebar h2{margin-bottom:40px;font-size:20px}.sidebar a{color:#cbd5e1;border-radius:12px;margin-bottom:8px;padding:12px 14px;text-decoration:none;transition:all .2s;display:block}.sidebar a:hover,.sidebar a.active{color:#fff;background:#1e293b}.content{flex:1;margin-left:260px;padding:40px}.page-title{letter-spacing:-.3px;color:#0f172a;margin-bottom:8px;font-size:30px;font-weight:600}.subtitle{color:#64748b;margin-bottom:40px;font-size:16px;font-weight:400}.card-ui{background:#fff;border-radius:20px;padding:36px;transition:all .2s;box-shadow:0 15px 35px #0000000f}.card-ui:hover{transform:translateY(-4px);box-shadow:0 20px 45px #00000014}.grid-2{grid-template-columns:1fr 1fr;gap:24px;display:grid}.stat-card{background:#fff;border-radius:18px;padding:24px;box-shadow:0 10px 25px #0000000d}.stat-number{font-size:28px;font-weight:700}.stat-label{color:#64748b;font-size:14px}.container{max-width:1100px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.button-primary{color:#fff;cursor:pointer;background:#2563eb;border:none;border-radius:14px;padding:14px 24px;font-weight:600;transition:all .2s}.button-primary:hover{background:#1d4ed8}.button-outline{cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:14px 24px;font-weight:600;transition:all .2s}.button-outline:hover{background:#f1f5f9}.button-outline-blue{color:#fff;cursor:pointer;background:#2563eb;border:1px solid #2563eb;border-radius:14px;padding:14px 24px;font-weight:600;transition:all .2s}.button-outline-blue:hover{background:#1d4ed8}.button-outline-green{color:#fff;cursor:pointer;background:#084f35;border:1px solid #084f35;border-radius:14px;padding:14px 24px;font-weight:600;transition:all .2s}.button-outline-green:hover{background:#103728}.dashboard-wrapper{max-width:1800px;padding:40px 60px}.dashboard-header{margin-bottom:30px}.dashboard-grid{grid-template-columns:repeat(3,1fr);gap:28px;display:grid}.course-grid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.course-item{cursor:pointer;margin-top:16px}.progress-bar{background:#e2e8f0;border-radius:4px;height:6px;margin-top:8px}.progress-fill{background:#2563eb;border-radius:4px;height:6px}.actions{flex-wrap:wrap;gap:12px;display:flex}.sidebar-wrapper{color:#fff;background:linear-gradient(#0f172a 0%,#0b1220 100%);flex-direction:column;width:260px;height:100vh;padding:32px 22px;display:flex;position:fixed;overflow-y:auto;box-shadow:4px 0 20px #00000026}.sidebar-logo{align-items:center;gap:12px;margin-bottom:40px;font-size:18px;font-weight:600;display:flex}.logo-box{background:linear-gradient(135deg,#3b82f6,#2563eb);border-radius:12px;justify-content:center;align-items:center;width:40px;height:40px;font-size:14px;font-weight:600;display:flex;box-shadow:0 6px 16px #2563eb66}.sidebar-nav{flex-direction:column;flex:1;gap:8px;display:flex}.sidebar-link{color:#94a3b8;border-radius:14px;align-items:center;gap:14px;padding:15px 20px;font-size:15px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.sidebar-link.active{color:#fff;background:#3b82f626}.sidebar-logout{color:#94a3b8;cursor:pointer;background:#ffffff0d;border:none;border-radius:14px;align-items:center;gap:14px;margin-top:40px;padding:20px;font-size:15px;font-weight:500;transition:all .2s;display:flex}.sidebar-logout:hover{color:#ef4444;background:#dc262626}.card-dark{color:#fff;background:#0f172a;border:1px solid #ffffff0d}.card-dark h3{color:#fff}.card-dark p{color:#cbd5e1}.profile-avatar{color:#fff;background:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);border-radius:9999px;justify-content:center;align-items:center;width:96px;height:96px;font-size:28px;font-weight:700;display:flex;box-shadow:0 10px 20px #02061714}