@import "https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;500;600;700;800&display=swap";
:root{--bg-primary:#0a0e1a;--bg-secondary:#121829;--bg-tertiary:#1b233d;--border-color:#202b47;--border-hover:#3b4e7a;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--accent-primary:#8b5cf6;--accent-secondary:#06b6d4;--accent-success:#10b981;--accent-warning:#f59e0b;--accent-danger:#ef4444;--gradient-accent:linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);--gradient-dark:linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);--glow-primary:0 0 20px #8b5cf640;--glow-cyan:0 0 20px #06b6d440;--font-sans:"Inter", system-ui, sans-serif;--font-display:"Outfit", sans-serif;--font-mono:"Fira Code", monospace;--sidebar-width:300px;--header-height:70px;--radius-sm:6px;--radius-md:12px;--radius-lg:20px;--transition-fast:.15s ease;--transition-normal:.3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);min-height:100vh;line-height:1.6;overflow-x:hidden}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:var(--radius-sm)}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);font-weight:700}a{color:var(--accent-secondary);transition:var(--transition-fast);text-decoration:none}a:hover{color:var(--accent-primary)}input,button,select,textarea{font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 24px}.glass-card{-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:var(--transition-normal);background:#121829a6;padding:32px;box-shadow:0 8px 32px #0000005e}.glass-card:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:0 8px 32px #8b5cf614}.gradient-text{background:var(--gradient-accent);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-normal);font-weight:600;font-family:var(--font-display);border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:12px 24px;display:inline-flex}.btn-primary{background:var(--gradient-accent);color:var(--text-primary);box-shadow:var(--glow-primary)}.btn-primary:hover{filter:brightness(1.1);box-shadow:var(--glow-primary), var(--glow-cyan);transform:translateY(-1px)}.btn-secondary{background:var(--bg-tertiary);border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-secondary);border-color:var(--accent-secondary);transform:translateY(-1px)}.btn-danger{border:1px solid var(--accent-danger);color:#fca5a5;background:#ef444426}.btn-danger:hover{background:var(--accent-danger);color:#fff;transform:translateY(-1px)}.app-header{height:var(--header-height);border-bottom:1px solid var(--border-color);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0a0e1acc;position:fixed;top:0;left:0;right:0}.header-container{justify-content:space-between;align-items:center;max-width:1400px;height:100%;margin:0 auto;padding:0 24px;display:flex}.logo{font-family:var(--font-display);color:var(--text-primary);align-items:center;gap:10px;font-size:24px;font-weight:800;display:flex}.logo-dot{background:var(--accent-secondary);width:8px;height:8px;box-shadow:var(--glow-cyan);border-radius:50%}.nav-links{align-items:center;gap:24px;display:flex}.nav-link{color:var(--text-secondary);border-radius:var(--radius-sm);padding:8px 12px;font-size:14px;font-weight:500}.nav-link:hover,.nav-link.active{color:var(--text-primary);background:#ffffff0d}.form-group{flex-direction:column;gap:8px;margin-bottom:20px;display:flex}.form-label{color:var(--text-secondary);font-size:14px;font-weight:600}.form-input{border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);transition:var(--transition-fast);background:#0a0e1a99;padding:12px 16px;font-size:15px}.form-input:focus{border-color:var(--accent-secondary);box-shadow:var(--glow-cyan);outline:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.6s cubic-bezier(.16,1,.3,1) forwards fadeIn}.prose{color:#e2e8f0;font-size:16px}.prose h1{border-bottom:1px solid var(--border-color);margin-top:24px;margin-bottom:16px;padding-bottom:8px;font-size:32px}.prose h2{margin-top:24px;margin-bottom:12px;font-size:24px}.prose h3{margin-top:20px;margin-bottom:8px;font-size:20px}.prose p{margin-bottom:16px;line-height:1.7}.prose ul,.prose ol{margin-bottom:16px;padding-left:24px}.prose li{margin-bottom:8px}.hack-alert{border-left:4px solid var(--accent-secondary);border-radius:0 var(--radius-md) var(--radius-md) 0;background:#06b6d414;margin:24px 0;padding:16px 20px}.hack-alert-title{text-transform:uppercase;letter-spacing:.05em;color:var(--accent-secondary);margin-bottom:4px;font-size:14px;font-weight:700}.hack-warning{border-left:4px solid var(--accent-warning);border-radius:0 var(--radius-md) var(--radius-md) 0;background:#f59e0b14;margin:24px 0;padding:16px 20px}.hack-warning-title{text-transform:uppercase;letter-spacing:.05em;color:var(--accent-warning);margin-bottom:4px;font-size:14px;font-weight:700}.terminal-block{border:1px solid var(--border-color);border-radius:var(--radius-md);font-family:var(--font-mono);background:#050811;margin:20px 0;overflow:hidden;box-shadow:0 4px 20px #00000080}.terminal-header{border-bottom:1px solid var(--border-color);background:#0f1422;justify-content:space-between;align-items:center;padding:10px 16px;display:flex}.terminal-buttons{gap:6px;display:flex}.terminal-dot{border-radius:50%;width:10px;height:10px}.terminal-dot.red{background:#ff5f56}.terminal-dot.yellow{background:#ffbd2e}.terminal-dot.green{background:#27c93f}.terminal-title{color:var(--text-muted);font-size:11px;font-weight:600}.terminal-body{padding:16px;font-size:14px;overflow-x:auto}.terminal-line{margin-bottom:6px}.terminal-prompt{color:var(--accent-secondary);-webkit-user-select:none;user-select:none;margin-right:8px}.terminal-cmd{color:var(--text-primary);font-weight:500}.terminal-output{color:var(--text-secondary)}.btn-copy{color:var(--text-muted);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;font-size:12px}.btn-copy:hover{color:var(--text-primary)}.admin-layout{background-color:var(--bg-primary);min-height:100vh;color:var(--text-primary);display:flex}.admin-sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-color);z-index:100;height:100vh;transition:transform var(--transition-normal);flex-direction:column;padding:30px 24px;display:flex;position:fixed;top:0;bottom:0;left:0;box-shadow:4px 0 24px #0003}.admin-sidebar-header{justify-content:space-between;align-items:center;margin-bottom:40px;display:flex}.sidebar-logo{font-family:var(--font-display);color:var(--text-primary);align-items:center;gap:10px;font-size:22px;font-weight:800;display:flex}.sidebar-menu{flex-direction:column;flex:1;gap:8px;display:flex}.sidebar-link{color:var(--text-secondary);border-radius:var(--radius-md);transition:var(--transition-fast);cursor:pointer;border-left:3px solid #0000;align-items:center;gap:12px;padding:12px 16px;font-size:14px;font-weight:500;display:flex}.sidebar-link:hover{color:var(--text-primary);background:#ffffff08}.sidebar-link.active{color:var(--text-primary);border-left-color:var(--accent-primary);background:#8b5cf614;font-weight:600}.sidebar-section-title{text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em;margin:16px 0 8px 16px;font-size:11px;font-weight:700}.sidebar-profile-section{border-top:1px solid var(--border-color);margin-top:auto;padding-top:20px;position:relative}.sidebar-profile-card{border-radius:var(--radius-md);transition:var(--transition-fast);cursor:pointer;background:#ffffff05;border:1px solid #0000;align-items:center;gap:12px;padding:10px 12px;display:flex}.sidebar-profile-card:hover{border-color:var(--border-hover);background:#ffffff0a}.sidebar-profile-avatar{background:linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);color:#fff;letter-spacing:.05em;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:14px;font-weight:700;display:flex;box-shadow:0 0 10px #06b6d433}.sidebar-profile-info{flex:1;min-width:0}.sidebar-profile-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.sidebar-profile-email{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.profile-popover{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);z-index:110;animation:fadeIn var(--transition-fast) forwards;padding:8px;position:absolute;bottom:85px;left:0;right:0;box-shadow:0 10px 30px #00000080}.popover-item{color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;text-align:left;width:100%;transition:var(--transition-fast);background:0 0;border:none;align-items:center;gap:10px;padding:10px 12px;font-size:13px;font-weight:500;display:flex}.popover-item:hover{color:var(--text-primary);background:#ffffff0d}.popover-item-danger{color:#fca5a5}.popover-item-danger:hover{color:#fff;background:#ef444426}.admin-content-wrapper{margin-left:var(--sidebar-width);flex-direction:column;flex:1;min-height:100vh;padding:40px;display:flex}.admin-mobile-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:90;justify-content:space-between;align-items:center;height:60px;padding:0 20px;display:none;position:sticky;top:0}.tab-pane{display:none}.tab-pane.active{animation:.4s forwards fadeIn;display:block}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;margin-bottom:40px;display:grid}.stat-card{border:1px solid var(--border-color);border-radius:var(--radius-md);transition:var(--transition-normal);background:#12182966;align-items:center;gap:16px;padding:24px;display:flex}.stat-card:hover{border-color:var(--border-hover);transform:translateY(-2px);box-shadow:0 4px 20px #0003}.stat-icon-wrapper{border-radius:var(--radius-md);width:48px;height:48px;color:var(--accent-secondary);background:#06b6d41a;justify-content:center;align-items:center;font-size:20px;display:flex}.stat-icon-wrapper.purple{color:var(--accent-primary);background:#8b5cf61a}.stat-icon-wrapper.teal{color:var(--accent-success);background:#10b9811a}.stat-icon-wrapper.amber{color:var(--accent-warning);background:#f59e0b1a}.stat-info{flex-direction:column;display:flex}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:600}.stat-value{color:var(--text-primary);font-size:28px;font-weight:800;font-family:var(--font-display)}.modal-backdrop{-webkit-backdrop-filter:blur(8px);z-index:999;background:#050811d9;justify-content:center;align-items:center;padding:20px;animation:.2s forwards fadeIn;display:flex;position:fixed;inset:0}.modal-container{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:500px;padding:32px;animation:.3s cubic-bezier(.34,1.56,.64,1) forwards scaleIn;position:relative;box-shadow:0 20px 50px #0009}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-title{color:var(--text-primary);font-size:22px;font-weight:700}.modal-close-btn{color:var(--text-muted);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;font-size:20px}.modal-close-btn:hover{color:var(--text-primary)}.modal-body{margin-bottom:24px}.modal-actions{justify-content:flex-end;gap:12px;display:flex}@keyframes scaleIn{0%{opacity:0;transform:scale(.92)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}@media (max-width:1024px){.admin-sidebar{transform:translate(-100%)}.admin-sidebar.open{transform:translate(0)}.admin-content-wrapper{margin-left:0;padding:30px 24px 24px}.admin-mobile-header{display:flex}}.syllabus-accordion-item{border-radius:var(--radius-md);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);background:#ffffff03;margin-bottom:12px;overflow:hidden;border:1px solid var(--border-color)!important}.syllabus-accordion-item:hover{box-shadow:0 4px 12px #0003;border-color:var(--border-hover)!important}.syllabus-accordion-item::-webkit-details-marker{display:none!important}.syllabus-summary::-webkit-details-marker{display:none!important}.syllabus-summary{cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--transition-fast);justify-content:space-between;align-items:center;padding:16px 20px;display:flex;list-style:none!important}.syllabus-summary::marker{display:none!important}.syllabus-summary:hover{background:#ffffff08}.syllabus-accordion-item[open] .syllabus-summary{border-bottom:1px solid var(--border-color);background:#ffffff05}.syllabus-accordion-item[open] .accordion-arrow{transform:rotate(90deg);color:var(--accent-secondary)!important}.submodule-link{transition:border-color var(--transition-fast), background var(--transition-fast);background:#ffffff03;border-radius:8px;justify-content:space-between;align-items:center;padding:12px 16px;text-decoration:none;display:flex;border:1px solid var(--border-color)!important}.submodule-link:hover{border-color:var(--accent-secondary)!important;background:#06b6d40d!important}.submodule-link span{transition:color var(--transition-fast)}.submodule-link:hover span{color:var(--text-primary)!important}.sidebar-accordion-item{transition:background var(--transition-fast), border-color var(--transition-fast);border:1px solid #0000;border-radius:6px;margin-bottom:6px;overflow:hidden}.sidebar-accordion-item:hover{background:#ffffff05}.sidebar-accordion-item::-webkit-details-marker{display:none!important}.sidebar-summary::-webkit-details-marker{display:none!important}.sidebar-summary{cursor:pointer;-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;padding:8px 16px;display:flex;list-style:none!important}.sidebar-summary::marker{display:none!important}.sidebar-summary:hover{background:#ffffff08}.sidebar-accordion-item[open] .sidebar-summary .accordion-arrow{transform:rotate(90deg);color:var(--accent-secondary)!important}