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10px;font-size:.75rem;font-weight:600;display:inline-flex}.badge-green{background:var(--htb-green-dim);color:var(--htb-green);border-color:#9fef004d}.badge-cyan{background:var(--htb-cyan-dim);color:var(--htb-cyan);border-color:#00d4ff4d}.badge-purple{background:var(--htb-purple-dim);color:var(--htb-purple);border-color:#b44aff4d}.badge-yellow{background:var(--htb-yellow-dim);color:var(--htb-yellow);border-color:#ffaf004d}.badge-red{background:var(--htb-red-dim);color:var(--htb-red);border-color:#ff3e3e4d}.role-admin{background:var(--htb-purple-dim);color:var(--htb-purple);border-color:#b44aff4d}.role-student{background:var(--htb-cyan-dim);color:var(--htb-cyan);border-color:#00d4ff4d}.module-grid{gap:var(--space-lg);grid-template-columns:repeat(auto-fill,minmax(320px,1fr));display:grid}.module-card{background:var(--bg-base);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--space-lg);color:inherit;text-decoration:none;display:block;position:relative;overflow:hidden}.module-card:before{content:"";background:linear-gradient(90deg,var(--htb-green),var(--htb-cyan));height:3px;position:absolute;top:0;left:0;right:0}.module-title{color:var(--text-primary);margin-bottom:var(--space-sm);font-size:1.125rem;font-weight:600}.module-description{color:var(--text-muted);margin-bottom:var(--space-lg);font-size:.875rem;line-height:1.5}.module-meta{gap:var(--space-sm);flex-wrap:wrap;display:flex}.module-progress{margin-top:var(--space-lg)}.progress-bar{background:var(--bg-surface);border-radius:var(--radius-full);height:4px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,var(--htb-green),var(--htb-cyan));border-radius:var(--radius-full);height:100%;transition:width .3s}.progress-text{margin-top:var(--space-sm);color:var(--text-muted);justify-content:space-between;font-size:.75rem;display:flex}.course-layout{height:calc(100vh - 65px);display:flex}.course-sidebar{background:var(--bg-dark);border-right:1px solid var(--border-default);width:300px;min-width:300px;overflow-y:auto}.sidebar-header{padding:var(--space-lg);border-bottom:1px solid var(--border-default)}.sidebar-title{margin-bottom:4px;font-size:1rem;font-weight:600}.sidebar-subtitle{color:var(--text-muted);font-size:.75rem}.sidebar-nav{padding:var(--space-sm)0}.sidebar-item{align-items:center;gap:var(--space-md);padding:var(--space-md)var(--space-lg);color:var(--text-secondary);text-align:left;cursor:pointer;background:0 0;border:none;border-left:3px solid #0000;width:100%;font-size:.875rem;text-decoration:none;display:flex}.sidebar-item.active{background:var(--bg-base);color:var(--text-primary);border-left-color:var(--htb-green)}.sidebar-item.complete{color:var(--htb-green)}.sidebar-status{background:var(--border-strong);border-radius:50%;flex-shrink:0;width:8px;height:8px}.sidebar-status.complete{background:var(--htb-green)}.course-content{padding:var(--space-xl);background:var(--bg-darker);flex:1;overflow-y:auto}.terminal-container{background:var(--bg-darkest);border:1px solid var(--border-default);border-radius:var(--radius-lg);overflow:hidden}.terminal-header{align-items:center;gap:var(--space-sm);padding:var(--space-md);background:var(--bg-dark);border-bottom:1px solid var(--border-default);display:flex}.terminal-dot{border-radius:50%;width:12px;height:12px}.terminal-dot.red{background:#ff5f56}.terminal-dot.yellow{background:#ffbd2e}.terminal-dot.green{background:#27c93f}.terminal-title{text-align:center;color:var(--text-muted);flex:1;font-size:.75rem}.terminal-body{padding:var(--space-md);min-height:400px}.auth-page{min-height:100vh;padding:var(--space-xl);z-index:1;justify-content:center;align-items:center;display:flex;position:relative}.auth-card{background:var(--bg-base);border:1px solid var(--border-default);border-radius:var(--radius-xl);width:100%;max-width:420px;padding:var(--space-2xl);box-shadow:var(--shadow-lg);position:relative}.auth-card:before{content:"";background:linear-gradient(90deg,var(--htb-green),var(--htb-cyan));border-radius:var(--radius-full);width:100px;height:3px;position:absolute;top:-1px;left:50%;transform:translate(-50%)}.auth-header{align-items:center;gap:var(--space-md);margin-bottom:var(--space-xl);display:flex}.auth-logo{background:linear-gradient(135deg,var(--htb-green)0%,#6fe000 100%);border-radius:var(--radius-md);width:48px;height:48px;color:var(--bg-darkest);justify-content:center;align-items:center;font-size:1.5rem;font-weight:800;display:flex}.auth-titles h1{margin-bottom:2px;font-size:1.25rem;font-weight:700}.auth-divider{margin:var(--space-xl)0;border:none;border-top:1px solid var(--border-default)}.auth-footer{text-align:center;color:var(--text-muted);font-size:.875rem}.auth-footer a,.auth-footer button{color:var(--htb-cyan);cursor:pointer;font-size:inherit;background:0 0;border:none;text-decoration:none}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--text-muted)}.empty-state-icon{width:64px;height:64px;margin:0 auto var(--space-lg);background:var(--bg-surface);border-radius:var(--radius-lg);color:var(--text-dim);justify-content:center;align-items:center;font-size:1.5rem;display:flex}.empty-state-title{color:var(--text-secondary);margin-bottom:var(--space-sm);font-size:1rem;font-weight:600}.empty-state-text{font-size:.875rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.flex-1{flex:1}.text-center{text-align:center}.w-full{width:100%}.mt-lg{margin-top:var(--space-lg)}.mb-lg{margin-bottom:var(--space-lg)}.dashboard-banner{background:linear-gradient(135deg,var(--bg-base)0%,var(--bg-elevated)100%);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:var(--space-xl);margin-bottom:var(--space-xl);justify-content:space-between;align-items:center;display:flex;position:relative;overflow:hidden}.dashboard-banner:before{content:"";background:linear-gradient(90deg,var(--htb-green),var(--htb-cyan),var(--htb-purple));height:3px;position:absolute;top:0;left:0;right:0}.dashboard-banner:after{content:"";background:radial-gradient(circle,var(--htb-green-dim),transparent 70%);pointer-events:none;width:300px;height:300px;position:absolute;top:-50%;right:-10%}.banner-content{flex:1}.banner-progress{align-items:center;gap:var(--space-sm);flex-direction:column;display:flex}.banner-progress-circle{width:80px;height:80px;position:relative}.banner-progress-circle svg{width:100%;height:100%;transform:rotate(-90deg)}.progress-percent{color:var(--htb-green);font-size:1.25rem;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.stats-grid{gap:var(--space-md);margin-bottom:var(--space-xl);grid-template-columns:repeat(4,1fr);display:grid}@media (max-width:1200px){.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.stats-grid{grid-template-columns:1fr}}.stat-card{align-items:center;gap:var(--space-md);background:var(--bg-base);border:1px solid var(--border-default);border-radius:var(--radius-lg);padding:var(--space-lg);display:flex}.stat-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.25rem;display:flex}.stat-content{flex-direction:column;display:flex}.stat-value{color:var(--text-primary);font-size:1.5rem;font-weight:700;line-height:1.2}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem}.module-card.complete{border-color:#9fef004d}.module-card.complete:before{background:var(--htb-green)}.module-complete-badge{top:var(--space-md);right:var(--space-md);background:var(--htb-green-dim);color:var(--htb-green);border-radius:var(--radius-full);text-transform:uppercase;letter-spacing:.05em;padding:4px 8px;font-size:.625rem;font-weight:600;position:absolute}.hint-panel{background:var(--bg-base);border:1px solid var(--border-accent);border-radius:var(--radius-lg);margin-bottom:var(--space-lg);overflow:hidden}.hint-panel-header{padding:var(--space-md)var(--space-lg);background:var(--htb-green-dim);border-bottom:1px solid var(--border-accent);cursor:pointer;justify-content:space-between;align-items:center;display:flex}.hint-panel-header:hover{background:#9fef0033}.hint-panel-title{align-items:center;gap:var(--space-sm);color:var(--htb-green);font-size:.875rem;font-weight:600;display:flex}.hint-panel-toggle{color:var(--htb-green);cursor:pointer;background:0 0;border:none;font-size:.75rem}.hint-panel-content{padding:var(--space-lg)}.hint-step{align-items:flex-start;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-md);margin-bottom:var(--space-sm);background:var(--bg-surface);border:1px solid var(--border-default);display:flex}.hint-step.active{background:var(--htb-cyan-dim);border-color:#00d4ff4d}.hint-step.completed{background:var(--htb-green-dim);border-color:#9fef004d}.hint-step-number{background:var(--bg-elevated);border:2px solid var(--border-strong);width:24px;height:24px;color:var(--text-muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.75rem;font-weight:600;display:flex}.hint-step.active .hint-step-number{background:var(--htb-cyan);border-color:var(--htb-cyan);color:var(--bg-darkest)}.hint-step.completed .hint-step-number{background:var(--htb-green);border-color:var(--htb-green);color:var(--bg-darkest)}.hint-step-content{flex:1;min-width:0}.hint-step-command{color:var(--htb-cyan);background:var(--bg-dark);border-radius:var(--radius-sm);margin-bottom:var(--space-xs);padding:6px 10px;font-family:JetBrains Mono,monospace;font-size:.875rem;display:inline-block}.hint-step.completed .hint-step-command{color:var(--htb-green)}.hint-step-hint{color:var(--text-secondary);font-size:.8125rem;line-height:1.4}.hint-copy-btn{background:var(--bg-elevated);border:1px solid var(--border-default);color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;padding:6px 12px;font-size:.75rem;transition:all .2s}.hint-copy-btn:hover{background:var(--htb-cyan-dim);color:var(--htb-cyan);border-color:#00d4ff4d}@media (max-width:1024px){.content-wrapper{padding:var(--space-lg)}.stats-grid{grid-template-columns:repeat(2,1fr)}.module-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.course-sidebar{width:260px;min-width:260px}}@media (max-width:768px){.navbar{padding:var(--space-sm)var(--space-md);gap:var(--space-sm);flex-wrap:nowrap}.navbar-brand{gap:var(--space-sm);flex-shrink:0}.navbar-logo{width:28px;height:28px;font-size:1rem}.navbar-title{font-size:.75rem;display:none}.navbar-nav{-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;flex-wrap:nowrap;gap:4px;overflow-x:auto}.navbar-nav::-webkit-scrollbar{display:none}.nav-link{white-space:nowrap;flex-shrink:0;padding:6px 10px;font-size:.75rem}.nav-user{padding-left:var(--space-sm);gap:var(--space-sm);border-left:none;flex-shrink:0}.nav-avatar{width:28px;height:28px;font-size:.6875rem}.text-caption{display:none}.btn-ghost.btn-sm{padding:6px 10px;font-size:.6875rem}.navbar-user{padding-left:var(--space-sm);border-left:none;gap:8px}.navbar-stats{display:none}.avatar{width:28px;height:28px;font-size:.75rem}.username,.xp-badge,.streak-badge{display:none}.content-wrapper{padding:var(--space-md)}.stats-grid{gap:var(--space-md);grid-template-columns:1fr 1fr}.stat-card{padding:var(--space-md)}.stat-value{font-size:1.75rem}.stat-icon{width:32px;height:32px;margin-bottom:var(--space-sm);font-size:1rem}.module-grid{gap:var(--space-md);grid-template-columns:1fr}.module-card{padding:var(--space-md)}.module-title{font-size:1rem}.module-description{margin-bottom:var(--space-md);font-size:.8125rem}.course-layout{flex-direction:column;height:auto;min-height:calc(100vh - 65px)}.course-sidebar{border-right:none;border-bottom:1px solid var(--border-default);width:100%;min-width:100%;max-height:none;overflow-y:visible}.sidebar-header{padding:var(--space-md)}.sidebar-nav{-webkit-overflow-scrolling:touch;padding:var(--space-sm)var(--space-md);gap:var(--space-sm);scrollbar-width:none;-ms-overflow-style:none;display:flex;overflow-x:auto}.sidebar-nav::-webkit-scrollbar{display:none}.sidebar-item{padding:var(--space-sm)var(--space-md);border-radius:var(--radius-md);background:var(--bg-surface);white-space:nowrap;border-left:none;flex-shrink:0}.sidebar-item.active{background:var(--htb-green-dim);border:1px solid #9fef004d}.course-content{padding:var(--space-md)}.terminal-container{border-radius:var(--radius-md)}.terminal-header{padding:var(--space-sm)}.user-card{align-items:flex-start;gap:var(--space-md);flex-direction:column}.user-actions{justify-content:flex-end;width:100%}.text-display{font-size:2rem}.text-headline{font-size:1.5rem}.text-title{font-size:1.125rem}.form-input{padding:12px 14px;font-size:16px}.btn{padding:10px 20px;font-size:.8125rem}.btn-lg{padding:12px 24px;font-size:.875rem}.card{padding:var(--space-md);border-radius:var(--radius-md)}.hint-panel{border-radius:var(--radius-lg)var(--radius-lg)0 0;border-top:1px solid var(--border-default);width:100%;max-height:50vh;position:fixed;inset:auto 0 0}}@media (max-width:480px){.navbar{padding:8px 12px}.stats-grid{grid-template-columns:1fr}.stat-card{padding:var(--space-sm)}.stat-value{font-size:1.5rem}.user-card{padding:var(--space-md)}.content-wrapper,.module-card{padding:var(--space-sm)}.btn-block{padding:12px 16px}.auth-page{padding:var(--space-md)}.auth-card{padding:var(--space-lg);border-radius:var(--radius-lg)}.auth-logo{width:40px;height:40px;font-size:1.25rem}.auth-titles h1{font-size:1.125rem}}@media (min-width:1400px){.content-wrapper{max-width:1600px}.module-grid{grid-template-columns:repeat(auto-fill,minmax(380px,1fr))}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}