@import "https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600;700&display=swap";.navbar{height:var(--navbar-height);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border-primary);z-index:100;background:#010715e6;position:fixed;top:0;left:0;right:0}.navbar:after{content:"";background:linear-gradient(90deg, transparent, var(--accent-300), transparent);opacity:.15;height:1px;position:absolute;bottom:0;left:0;right:0}.navbar-inner{height:100%;padding:0 var(--space-6);justify-content:space-between;align-items:center;display:flex}.navbar-brand{align-items:center;gap:var(--space-3);text-decoration:none;display:flex}.navbar-menu-toggle{border-radius:var(--radius-md);width:38px;height:38px;color:var(--accent-300);background:#61cbf40d;border:1px solid #61cbf433;justify-content:center;align-items:center;font-size:1.2rem;display:none}.navbar-logo{border-radius:var(--radius-md);width:40px;height:40px;color:var(--accent-300);box-shadow:var(--glow-sm);transition:all var(--transition-base);background:0 0;border:1px solid #61cbf440;justify-content:center;align-items:center;font-size:1.3rem;display:flex}.navbar-brand:hover .navbar-logo{border-color:var(--accent-300);box-shadow:var(--glow-md)}.navbar-title{font-family:var(--font-display);letter-spacing:.12em;text-transform:uppercase;color:var(--text-primary);font-size:1.3rem;font-weight:800}.navbar-title-accent{color:var(--accent-300)}.navbar-actions{align-items:center;gap:var(--space-4);display:flex}.navbar-user{align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);border:1px solid var(--border-primary);background:#61cbf408;display:flex}.navbar-user-avatar{width:32px;height:32px;color:var(--accent-300);background:#61cbf414;border:1px solid #61cbf426;border-radius:50%;justify-content:center;align-items:center;font-size:.9rem;display:flex;overflow:hidden}.navbar-user-avatar-img{object-fit:cover;width:100%;height:100%;display:block}.navbar-user-info{flex-direction:column;line-height:1.2;display:flex}.navbar-user-name{font-family:var(--font-display);color:var(--text-primary);letter-spacing:.02em;font-size:.82rem;font-weight:600}.navbar-user-role{color:var(--accent-300);text-transform:uppercase;letter-spacing:.08em;font-size:.65rem;font-weight:600}@media (width<=640px){.navbar-user-info,.navbar-logout-text{display:none}.navbar-inner{padding:0 var(--space-4)}.navbar-menu-toggle{display:inline-flex}}.sidebar{top:var(--navbar-height);width:var(--sidebar-width);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-right:1px solid var(--border-primary);z-index:50;transition:transform var(--transition-base);background:#020c1bf2;position:fixed;bottom:0;left:0;overflow-y:auto}.sidebar-overlay{display:none}.sidebar:after{content:"";background:linear-gradient(180deg, var(--accent-300), transparent, var(--accent-300));opacity:.08;width:1px;position:absolute;top:0;bottom:0;right:0}.sidebar-content{padding:var(--space-6) var(--space-3)}.sidebar-section{margin-bottom:var(--space-6)}.sidebar-section-label{padding:0 var(--space-3);margin-bottom:var(--space-3);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.15em;color:var(--accent-300);opacity:.6;font-size:.65rem;font-weight:700;display:block}.sidebar-nav{gap:var(--space-1);flex-direction:column;display:flex}.sidebar-link{align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-3);border-radius:var(--radius-md);color:var(--text-secondary);font-family:var(--font-display);letter-spacing:.02em;transition:all var(--transition-fast);border:1px solid #0000;font-size:.85rem;font-weight:500;text-decoration:none;display:flex;position:relative}.sidebar-link:hover{color:var(--text-primary);background:#61cbf40a;border-color:#61cbf40f}.sidebar-link.active{color:var(--accent-300);box-shadow:var(--glow-sm);background:#61cbf40f;border-color:#61cbf41f}.sidebar-link.active:before{content:"";background:var(--accent-300);border-radius:var(--radius-full);width:2px;box-shadow:0 0 8px var(--accent-300);position:absolute;top:20%;bottom:20%;left:-1px}.sidebar-link-icon{opacity:.8;flex-shrink:0;align-items:center;font-size:1.15rem;display:flex}.sidebar-link.active .sidebar-link-icon{opacity:1}@media (width<=1024px){.sidebar{z-index:120;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-overlay{opacity:0;pointer-events:none;transition:opacity var(--transition-fast);z-index:110;background:#01071599;border:0;margin:0;padding:0;display:block;position:fixed;inset:0}.sidebar-overlay.open{opacity:1;pointer-events:auto}}.login-page{min-height:100vh;padding:var(--space-4);justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.login-bg-orb{filter:blur(100px);pointer-events:none;border-radius:50%;position:absolute}.login-bg-orb-1{background:#00f2ff0f;width:500px;height:500px;animation:10s ease-in-out infinite floatOrb;top:-15%;left:-10%}.login-bg-orb-2{background:#8b5cf60a;width:350px;height:350px;animation:13s ease-in-out infinite reverse floatOrb;bottom:-15%;right:-8%}.login-bg-orb-3{background:#61cbf40a;width:250px;height:250px;animation:15s ease-in-out infinite floatOrb;top:40%;left:60%}.login-container{-webkit-backdrop-filter:blur(30px);border-radius:var(--radius-xl);width:100%;max-width:440px;padding:var(--space-10);z-index:1;box-shadow:var(--glow-lg);background:#020c1bcc;border:1px solid #61cbf41a;position:relative}.login-container:before{content:"";background:var(--gradient-accent);opacity:.5;height:1px;position:absolute;top:0;left:15%;right:15%}.login-container:after{content:"";border-top:2px solid var(--accent-300);border-left:2px solid var(--accent-300);border-radius:var(--radius-xl) 0 0 0;opacity:.5;width:30px;height:30px;position:absolute;top:-1px;left:-1px}.login-header{text-align:center;margin-bottom:var(--space-8)}.login-logo{border-radius:var(--radius-lg);width:70px;height:70px;color:var(--accent-300);margin:0 auto var(--space-5);box-shadow:var(--glow-md);background:0 0;border:1px solid #61cbf433;justify-content:center;align-items:center;font-size:2.2rem;animation:3s ease-in-out infinite neonPulse;display:flex}.login-header h1{font-family:var(--font-display);letter-spacing:.15em;text-transform:uppercase;color:var(--text-primary);margin-bottom:var(--space-2);font-size:2rem;font-weight:900}.login-header p{color:var(--text-tertiary);letter-spacing:.02em;font-size:.88rem}.login-form{gap:var(--space-5);flex-direction:column;display:flex}.login-input-wrapper{align-items:center;display:flex;position:relative}.login-input-icon{color:var(--text-muted);pointer-events:none;transition:color var(--transition-fast);font-size:1.1rem;position:absolute;left:14px}.login-input-wrapper:focus-within .login-input-icon{color:var(--accent-300)}.login-input{padding-left:42px!important}.login-password-toggle{color:var(--text-muted);border-radius:var(--radius-sm);transition:color var(--transition-fast);align-items:center;padding:4px;font-size:1.1rem;display:flex;position:absolute;right:12px}.login-password-toggle:hover{color:var(--accent-300)}.login-submit{width:100%;margin-top:var(--space-3)}.login-footer{text-align:center;margin-top:var(--space-6);padding-top:var(--space-4);border-top:1px solid var(--border-primary)}.login-footer p{font-family:var(--font-display);color:var(--text-muted);letter-spacing:.1em;text-transform:uppercase;font-size:.72rem;font-weight:600}@media (width<=480px){.login-container{padding:var(--space-6);border-radius:var(--radius-lg)}}.dashboard-welcome{background:var(--gradient-card)}.course-tabs{gap:var(--space-2);border-bottom:1px solid var(--border-primary);padding-bottom:0;display:flex}.course-tab{font-family:var(--font-display);letter-spacing:.06em;text-transform:uppercase;color:var(--text-tertiary);padding:var(--space-3) var(--space-5);transition:all var(--transition-fast);border-bottom:2px solid #0000;margin-bottom:-1px;font-size:.8rem;font-weight:600}.course-tab:hover{color:var(--text-secondary)}.course-tab.active{color:var(--accent-300);border-bottom-color:var(--accent-300);text-shadow:0 0 10px #61cbf44d}.student-courses-header{justify-content:space-between;align-items:flex-start;gap:var(--space-4);margin-bottom:var(--space-8);flex-wrap:wrap;display:flex}.student-courses-header .page-header{margin-bottom:0}.search-wrapper{width:320px;position:relative}.search-icon{color:var(--text-muted);pointer-events:none;font-size:1.1rem;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.search-input{border-radius:var(--radius-full)!important;background:#61cbf408!important;padding-left:40px!important}.search-input:focus{box-shadow:var(--glow-sm)!important}.course-filters{gap:var(--space-3);margin-bottom:var(--space-5);flex-wrap:wrap;align-items:center;display:flex}.course-filters .form-select{min-width:200px}@media (width<=768px){.search-wrapper{width:100%}.course-filters{flex-direction:column;align-items:stretch}.course-filters .form-select{width:100%;min-width:0}}.course-hub-header{padding:var(--space-8);margin-bottom:var(--space-8);text-align:center}.hub-grid{gap:var(--space-5);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.hub-grid .hub-btn:first-child{grid-column:1/-1}.hub-btn-accent{background:linear-gradient(160deg,#00f2ff0d 0%,#061632b3 100%)!important;border-color:#00f2ff26!important}.hub-btn-accent:before{opacity:.5!important}.hub-btn-accent .hub-btn-icon{font-size:2.5rem!important}.hub-btn-accent .hub-btn-label{font-size:1rem!important}@media (width<=768px){.hub-grid{grid-template-columns:1fr}.hub-grid .hub-btn:first-child{grid-column:1}}.test-config{max-width:700px;margin:0 auto}.test-config-header{text-align:center;margin-bottom:var(--space-8)}.test-config-icon{border-radius:var(--radius-lg);width:70px;height:70px;color:var(--accent-300);margin:0 auto var(--space-4);background:#00f2ff0f;border:1px solid #00f2ff26;justify-content:center;align-items:center;font-size:2rem;animation:3s ease-in-out infinite neonPulse;display:flex}.test-config-header h2{text-transform:uppercase;letter-spacing:.06em;margin-bottom:var(--space-2)}.quiz-engine{max-width:750px;margin:0 auto}.quiz-progress-section{margin-bottom:var(--space-6)}.quiz-results{max-width:750px;margin:0 auto}:root{--bg-primary:#010715;--bg-secondary:#020c1b;--bg-tertiary:#0a1929;--bg-card:#0616328c;--bg-card-hover:#0a1e41bf;--bg-glass:#61cbf40a;--bg-glass-hover:#61cbf414;--bg-elevated:#0b304159;--accent-50:#e0f7ff;--accent-100:#b3ecff;--accent-200:#80dfff;--accent-300:#61cbf4;--accent-400:#38c6f4;--accent-500:#00b8f0;--accent-600:#009ed4;--accent-700:#0b3041;--accent-glow:#00f2ff;--accent-neon:#00f2ff;--secondary-400:#a78bfa;--secondary-500:#8b5cf6;--secondary-600:#7c3aed;--secondary-glow:#8b5cf64d;--success-400:#4ade80;--success-500:#22c55e;--success-600:#16a34a;--warning-400:#fbbf24;--warning-500:#f59e0b;--error-400:#f87171;--error-500:#ef4444;--error-600:#dc2626;--border-primary:#61cbf414;--border-hover:#61cbf433;--border-active:#00f2ff66;--border-glow:#00f2ff26;--text-primary:#fff;--text-secondary:#8bacc1;--text-tertiary:#4a7a94;--text-muted:#2d5a73;--text-accent:#61cbf4;--shadow-sm:0 1px 3px #00000080;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 10px 30px #00000080;--shadow-xl:0 20px 50px #0009;--glow-sm:0 0 10px #00f2ff1a;--glow-md:0 0 20px #00f2ff1f;--glow-lg:0 0 40px #00f2ff26;--glow-xl:0 0 60px #00f2ff2e;--glow-accent:0 0 30px #61cbf433;--glow-button:0 0 20px #00f2ff4d, 0 0 60px #00f2ff1a;--gradient-accent:linear-gradient(135deg, #61cbf4 0%, #00f2ff 100%);--gradient-accent-subtle:linear-gradient(135deg, #61cbf426 0%, #00f2ff14 100%);--gradient-card:linear-gradient(160deg, #061632b3 0%, #020c1bd9 100%);--gradient-card-hover:linear-gradient(160deg, #0b304180 0%, #061632b3 100%);--gradient-sidebar:linear-gradient(180deg, #020c1b 0%, #010715 100%);--gradient-hero:radial-gradient(ellipse at 50% 0%, #00f2ff0d 0%, transparent 60%);--gradient-neon:linear-gradient(90deg, #00f2ff, #61cbf4, #00f2ff);--gradient-purple:linear-gradient(135deg, #8b5cf6 0%, #61cbf4 100%);--font-display:"Montserrat", sans-serif;--font-body:"Inter", sans-serif;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--transition-spring:.5s cubic-bezier(.34, 1.56, .64, 1);--sidebar-width:260px;--navbar-height:68px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(at 15% 20%,#00f2ff0a 0%,#0000 45%),radial-gradient(at 85% 60%,#61cbf408 0%,#0000 45%),radial-gradient(at 50% 90%,#8b5cf605 0%,#0000 40%);position:fixed;inset:0}body:after{content:"";pointer-events:none;z-index:0;background-image:linear-gradient(#61cbf405 1px,#0000 1px),linear-gradient(90deg,#61cbf405 1px,#0000 1px);background-size:60px 60px;position:fixed;inset:0}#root{z-index:1;min-height:100vh;position:relative}a{color:inherit;text-decoration:none}ul,ol{list-style:none}img{max-width:100%;display:block}button{cursor:pointer;font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none;outline:none}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--accent-700);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--accent-300)}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--text-primary);letter-spacing:.02em;font-weight:700;line-height:1.2}h1{letter-spacing:.04em;text-transform:uppercase;font-size:2.25rem;font-weight:800}h2{letter-spacing:.03em;font-size:1.6rem;font-weight:700}h3{font-size:1.25rem;font-weight:600}h4{font-size:1.05rem;font-weight:600}p{color:var(--text-secondary);line-height:1.7}.text-glow{text-shadow:0 0 20px #00f2ff4d,0 0 40px #00f2ff1a}.text-accent{color:var(--accent-300)}.text-gradient{background:var(--gradient-accent);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.app-layout{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-width);padding-top:var(--navbar-height);min-height:100vh;transition:margin-left var(--transition-base);flex:1}.main-content.no-sidebar{margin-left:0}.page-container{padding:var(--space-8);max-width:1400px;margin:0 auto;animation:.5s fadeInUp}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(30px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes progressFill{0%{width:0%}}@keyframes borderGlow{0%,to{border-color:#00f2ff1a}50%{border-color:#00f2ff4d}}@keyframes neonPulse{0%,to{box-shadow:0 0 5px #00f2ff33,0 0 20px #00f2ff1a}50%{box-shadow:0 0 10px #00f2ff66,0 0 40px #00f2ff26}}@keyframes floatOrb{0%,to{transform:translate(0)}25%{transform:translate(20px,-30px)}50%{transform:translate(-10px,20px)}75%{transform:translate(15px,10px)}}@keyframes scanline{0%{transform:translateY(-100%)}to{transform:translateY(100vh)}}.animate-fadeIn{animation:fadeIn var(--transition-base)}.animate-fadeInUp{animation:fadeInUp var(--transition-slow)}.animate-scaleIn{animation:scaleIn var(--transition-spring)}.stagger-1{animation-delay:60ms}.stagger-2{animation-delay:.12s}.stagger-3{animation-delay:.18s}.stagger-4{animation-delay:.24s}.stagger-5{animation-delay:.3s}.stagger-6{animation-delay:.36s}.glass-card{background:var(--gradient-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-primary);border-radius:var(--radius-lg);transition:all var(--transition-base);position:relative;overflow:hidden}.glass-card:before{content:"";background:linear-gradient(90deg, transparent, var(--accent-300), transparent);opacity:.3;height:1px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.glass-card:hover{border-color:var(--border-hover);box-shadow:var(--glow-md);transform:translateY(-3px)}.glass-card:hover:before{opacity:.7}.glass-card-static{background:var(--gradient-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-primary);border-radius:var(--radius-lg);position:relative}.glass-card-static:before{content:"";background:linear-gradient(90deg, transparent, var(--accent-300), transparent);opacity:.2;height:1px;position:absolute;top:0;left:0;right:0}.neon-card{background:var(--gradient-card);border-radius:var(--radius-lg);transition:all var(--transition-base);border:1px solid #00f2ff1f;position:relative}.neon-card:hover{box-shadow:var(--glow-lg), inset 0 0 30px #00f2ff05;border-color:#00f2ff4d}.btn{justify-content:center;align-items:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border-radius:var(--radius-full);font-family:var(--font-display);letter-spacing:.06em;text-transform:uppercase;transition:all var(--transition-base);white-space:nowrap;font-size:.85rem;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn:active{transform:scale(.97)}.btn-primary{background:var(--gradient-accent);color:var(--bg-primary);box-shadow:var(--glow-button)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 25px #00f2ff73,0 0 80px #00f2ff26}.btn-accent{background:var(--gradient-purple);color:#fff;box-shadow:0 0 20px #8b5cf640}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 30px #8b5cf666,0 0 60px #8b5cf61a}.btn-success{background:linear-gradient(135deg, var(--success-500), var(--success-600));color:#fff;box-shadow:0 0 15px #22c55e40}.btn-danger{background:linear-gradient(135deg, var(--error-500), var(--error-600));color:#fff;box-shadow:0 0 15px #ef444440}.btn-ghost{color:var(--accent-300);background:0 0;border:1px solid #61cbf433}.btn-ghost:hover{box-shadow:var(--glow-sm);background:#61cbf40f;border-color:#61cbf466}.btn-sm{padding:var(--space-2) var(--space-4);font-size:.75rem}.btn-lg{padding:var(--space-4) var(--space-10);letter-spacing:.08em;font-size:.9rem}.btn-icon{border-radius:var(--radius-md);width:40px;height:40px;padding:0}.btn-icon.btn-sm{width:32px;height:32px}.form-group{gap:var(--space-2);flex-direction:column;display:flex}.form-label{font-family:var(--font-display);color:var(--accent-300);text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;font-weight:700}.form-input{width:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--border-primary);border-radius:var(--radius-md);color:var(--text-primary);transition:all var(--transition-fast);background:#61cbf408;font-size:.9rem}.form-input:focus{border-color:var(--accent-300);box-shadow:0 0 0 3px #61cbf414, var(--glow-sm);background:#61cbf40d}.form-input::placeholder{color:var(--text-muted)}.form-textarea{resize:vertical;min-height:120px}.form-select{appearance:none;color:var(--text-primary);background-color:#61cbf408;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2361cbf4' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:36px}.form-select option{background:var(--bg-secondary);color:var(--text-primary)}.form-select option:checked{color:var(--text-primary);background:#61cbf440}.form-checkbox-group{gap:var(--space-3);flex-wrap:wrap;display:flex}.form-checkbox-label{align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);border:1px solid var(--border-primary);border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);font-family:var(--font-display);color:var(--text-secondary);-webkit-user-select:none;user-select:none;letter-spacing:.02em;background:#61cbf408;font-size:.82rem;font-weight:500;display:flex}.form-checkbox-label:hover{border-color:var(--border-hover);background:#61cbf40f}.form-checkbox-label.checked{border-color:var(--accent-300);color:var(--accent-300);box-shadow:var(--glow-sm);background:#61cbf41a}.form-checkbox-label input[type=checkbox]{accent-color:var(--accent-300);cursor:pointer;width:16px;height:16px}.form-error{color:var(--error-400);font-size:.8rem}.stat-card{padding:var(--space-6);position:relative;overflow:hidden}.stat-card:after{content:"";height:2px;transition:opacity var(--transition-base);opacity:.5;position:absolute;bottom:0;left:0;right:0}.stat-card.stat-primary:after{background:var(--gradient-accent)}.stat-card.stat-accent:after{background:var(--gradient-purple)}.stat-card.stat-success:after{background:linear-gradient(90deg, var(--success-400), var(--success-600))}.stat-card.stat-warning:after{background:linear-gradient(90deg, var(--warning-400), var(--warning-500))}.stat-card:hover:after{opacity:1}.stat-card-icon{border-radius:var(--radius-md);width:48px;height:48px;margin-bottom:var(--space-4);border:1px solid;justify-content:center;align-items:center;font-size:1.3rem;display:flex}.stat-primary .stat-card-icon{color:var(--accent-300);background:#61cbf414;border-color:#61cbf426}.stat-accent .stat-card-icon{color:var(--secondary-400);background:#8b5cf614;border-color:#8b5cf626}.stat-success .stat-card-icon{color:var(--success-400);background:#22c55e14;border-color:#22c55e26}.stat-warning .stat-card-icon{color:var(--warning-400);background:#f59e0b14;border-color:#f59e0b26}.stat-card-value{font-family:var(--font-display);color:var(--text-primary);letter-spacing:.02em;font-size:2.25rem;font-weight:800}.stat-card-label{font-family:var(--font-display);color:var(--text-tertiary);margin-top:var(--space-1);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:600}.data-table{border-collapse:separate;border-spacing:0;width:100%}.data-table thead th{padding:var(--space-3) var(--space-4);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em;color:var(--accent-300);text-align:left;border-bottom:1px solid var(--border-primary);z-index:1;background:#61cbf408;font-size:.7rem;font-weight:700;position:sticky;top:0}.data-table tbody tr{transition:background var(--transition-fast)}.data-table tbody tr:hover{background:#61cbf408}.data-table tbody td{padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--border-primary);color:var(--text-secondary);font-size:.88rem}.badge{align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:var(--radius-full);font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;border:1px solid;font-size:.7rem;font-weight:700;display:inline-flex}.badge-primary{color:var(--accent-300);background:#61cbf414;border-color:#61cbf433}.badge-accent{color:var(--secondary-400);background:#8b5cf614;border-color:#8b5cf633}.badge-success{color:var(--success-400);background:#22c55e14;border-color:#22c55e33}.badge-warning{color:var(--warning-400);background:#f59e0b14;border-color:#f59e0b33}.badge-error{color:var(--error-400);background:#ef444414;border-color:#ef444433}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;padding:var(--space-4);animation:fadeIn var(--transition-fast);background:#010715d9;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background:var(--bg-secondary);border-radius:var(--radius-xl);width:100%;max-width:600px;max-height:90vh;animation:scaleIn var(--transition-spring);box-shadow:var(--glow-lg);border:1px solid #61cbf41a;position:relative;overflow-y:auto}.modal-content:before{content:"";background:var(--gradient-accent);opacity:.6;height:1px;position:absolute;top:0;left:20%;right:20%}.modal-header{padding:var(--space-6);border-bottom:1px solid var(--border-primary);justify-content:space-between;align-items:center;display:flex}.modal-header h3{font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;font-size:1rem}.modal-body{padding:var(--space-6);gap:var(--space-4);flex-direction:column;display:flex}.modal-footer{justify-content:flex-end;align-items:center;gap:var(--space-3);padding:var(--space-4) var(--space-6);border-top:1px solid var(--border-primary);display:flex}.progress-bar-container{border-radius:var(--radius-full);border:1px solid var(--border-primary);background:#61cbf40f;width:100%;height:6px;overflow:hidden}.progress-bar-fill{border-radius:var(--radius-full);background:var(--gradient-accent);height:100%;transition:width var(--transition-base);animation:.6s progressFill;box-shadow:0 0 10px #00f2ff4d}.spinner{border:2px solid #61cbf41a;border-top-color:var(--accent-300);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin;box-shadow:0 0 15px #00f2ff26}.spinner-sm{border-width:2px;width:20px;height:20px}.loading-screen{justify-content:center;align-items:center;gap:var(--space-4);flex-direction:column;min-height:60vh;display:flex}.loading-screen p{color:var(--text-tertiary);font-family:var(--font-display);letter-spacing:.1em;text-transform:uppercase;font-size:.85rem}.empty-state{padding:var(--space-16);text-align:center;justify-content:center;align-items:center;gap:var(--space-4);flex-direction:column;display:flex}.empty-state-icon{color:var(--text-muted);opacity:.5;font-size:3rem}.empty-state h3{color:var(--text-secondary);font-weight:600}.empty-state p{color:var(--text-tertiary);max-width:400px}.page-header{margin-bottom:var(--space-8)}.page-header h1{margin-bottom:var(--space-2);font-size:1.5rem}.page-header p{color:var(--text-tertiary);font-size:.9rem}.page-header-actions{justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.grid-2{gap:var(--space-6);grid-template-columns:repeat(2,1fr);display:grid}.grid-3{gap:var(--space-6);grid-template-columns:repeat(3,1fr);display:grid}.grid-4{gap:var(--space-6);grid-template-columns:repeat(4,1fr);display:grid}.grid-auto{gap:var(--space-6);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));display:grid}.quiz-option{align-items:center;gap:var(--space-3);padding:var(--space-4);border:1px solid var(--border-primary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:#61cbf405;font-size:.93rem;display:flex}.quiz-option:hover{border-color:var(--border-hover);box-shadow:var(--glow-sm);background:#61cbf40d}.quiz-option.selected{border-color:var(--accent-300);box-shadow:var(--glow-md);background:#61cbf414}.quiz-option.correct{border-color:var(--success-500);background:#22c55e14;box-shadow:0 0 15px #22c55e26}.quiz-option.incorrect{border-color:var(--error-500);background:#ef444414;box-shadow:0 0 15px #ef444426}.quiz-option-letter{border-radius:var(--radius-sm);width:36px;height:36px;font-family:var(--font-display);border:1px solid var(--border-primary);color:var(--text-secondary);background:#61cbf40f;flex-shrink:0;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex}.quiz-option.selected .quiz-option-letter{background:var(--accent-300);border-color:var(--accent-300);color:var(--bg-primary)}.quiz-option.correct .quiz-option-letter{background:var(--success-500);border-color:var(--success-500);color:#fff}.quiz-option.incorrect .quiz-option-letter{background:var(--error-500);border-color:var(--error-500);color:#fff}.hub-btn{justify-content:center;align-items:center;gap:var(--space-3);padding:var(--space-8) var(--space-6);background:var(--gradient-card);border:1px solid var(--border-primary);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);text-align:center;flex-direction:column;min-height:160px;display:flex;position:relative;overflow:hidden}.hub-btn:before{content:"";background:var(--gradient-accent);opacity:0;height:2px;transition:opacity var(--transition-base);position:absolute;top:0;left:0;right:0}.hub-btn:hover{border-color:var(--border-hover);box-shadow:var(--glow-lg);transform:translateY(-4px)}.hub-btn:hover:before{opacity:1}.hub-btn-icon{color:var(--accent-300);transition:all var(--transition-base);font-size:2rem}.hub-btn:hover .hub-btn-icon{color:var(--accent-glow);text-shadow:0 0 20px #00f2ff80;transform:scale(1.1)}.hub-btn-label{font-family:var(--font-display);color:var(--text-primary);letter-spacing:.04em;text-transform:uppercase;font-size:.85rem;font-weight:600}.hub-btn-desc{color:var(--text-tertiary);font-size:.75rem}.divider{background:linear-gradient(90deg, transparent, var(--border-primary), transparent);height:1px;margin:var(--space-6) 0}.react-hot-toast{font-family:var(--font-display)!important}@media (width<=1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}.main-content{margin-left:0}}@media (width<=768px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.page-container{padding:var(--space-4)}h1{font-size:1.5rem}h2{font-size:1.3rem}.page-header-actions{flex-direction:column;align-items:stretch}}@media (width<=480px){.page-container{padding:var(--space-3)}.btn-lg{padding:var(--space-3) var(--space-6);font-size:.8rem}}