@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{font-family:Outfit,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400}body{margin:0;padding:0;min-height:100vh;width:100vw}#root{min-height:100vh;width:100vw;display:flex;flex-direction:column}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;background-color:var(--bg-dark);overflow:hidden}.bg-blob{position:absolute;border-radius:50%;filter:blur(120px);z-index:0;opacity:.6;animation:float 25s infinite ease-in-out alternate}.blob-1{width:600px;height:600px;background:linear-gradient(to right,#4338ca66,#8b5cf699);top:-150px;left:-150px;animation-delay:0s}.blob-2{width:500px;height:500px;background:linear-gradient(to right,#3b82f64d,#db27774d);bottom:-100px;right:-100px;animation-delay:-12s}@keyframes float{0%{transform:translate(0) scale(1) rotate(0)}50%{transform:translate(30px,-40px) scale(1.05) rotate(15deg)}to{transform:translate(-20px,50px) scale(1.1) rotate(30deg)}}.login-glass-panel{position:relative;z-index:1;background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);padding:3rem 2.5rem;border-radius:24px;width:100%;max-width:420px;box-shadow:0 25px 50px -12px #00000080;transform:translateY(20px);opacity:0;animation:slideUpFade .6s cubic-bezier(.16,1,.3,1) forwards}@keyframes slideUpFade{to{transform:translateY(0);opacity:1}}.login-header{text-align:center;margin-bottom:2rem}.logo-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,var(--primary),#8b5cf6);margin-bottom:1.5rem;box-shadow:0 10px 25px -5px #3b82f680;color:#fff}.login-header h2{font-size:1.75rem;font-weight:700;margin-bottom:.5rem;letter-spacing:-.025em;background:linear-gradient(to right,#fff,#cbd5e1);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.login-header p{color:var(--text-muted);font-size:.95rem}.error-message{display:flex;align-items:center;gap:.5rem;background:var(--error-bg);color:var(--error);padding:.75rem 1rem;border-radius:8px;margin-bottom:1.5rem;font-size:.875rem;border:1px solid rgba(239,68,68,.2)}.login-form{display:flex;flex-direction:column;gap:1.25rem}.input-group{display:flex;flex-direction:column;gap:.5rem}.input-group label{font-size:.875rem;font-weight:500;color:var(--text-main)}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:1rem;color:var(--text-muted);transition:color .3s ease}.input-wrapper input{width:100%;padding:.875rem 1rem .875rem 3rem;background:#0f172a66;border:1px solid var(--glass-border);border-radius:12px;color:#fff;font-size:1rem;transition:all .3s cubic-bezier(.16,1,.3,1);outline:none;box-shadow:inset 0 2px 4px #0000001a}.input-wrapper input::placeholder{color:#475569}.input-wrapper input:focus{border-color:var(--primary);background:#0f172a99;box-shadow:inset 0 2px 4px #0000001a,0 0 0 4px #8b5cf626}.input-wrapper input:focus+.input-icon{color:var(--primary)}.login-button{margin-top:.5rem;padding:1rem;background:linear-gradient(135deg,var(--primary),#a855f7);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1);box-shadow:0 10px 20px -10px #8b5cf680}.login-button:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover),#9333ea);transform:translateY(-2px);box-shadow:0 15px 25px -10px #8b5cf699}.login-button:active:not(:disabled){transform:translateY(1px)}.login-button:disabled{opacity:.7;cursor:not-allowed}.login-button.loading{position:relative;color:transparent}.login-button.loading:after{content:"";position:absolute;left:50%;top:50%;width:20px;height:20px;border:2px solid white;border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite;transform:translate(-50%,-50%)}@keyframes spin{0%{transform:translate(-50%,-50%) rotate(0)}to{transform:translate(-50%,-50%) rotate(360deg)}}.dashboard-container{min-height:100vh;background-color:var(--bg-dark);color:var(--text-main);display:flex;flex-direction:column}.dashboard-nav{display:flex;justify-content:space-between;align-items:center;padding:1rem 2rem;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);position:sticky;top:0;z-index:10}.nav-brand{display:flex;align-items:center;gap:.75rem}.brand-icon{color:var(--primary)}.nav-brand h2{font-size:1.25rem;font-weight:600;background:linear-gradient(to right,#fff,#cbd5e1);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-profile{display:flex;align-items:center;gap:1.5rem}.user-badge{padding:.35rem .85rem;border-radius:9999px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;box-shadow:0 4px 12px #0000001a}.user-badge.admin{background:linear-gradient(135deg,#8b5cf633,#8b5cf60d);color:#d8b4fe;border:1px solid rgba(139,92,246,.4)}.user-badge.student{background:linear-gradient(135deg,#3b82f633,#3b82f60d);color:#bfdbfe;border:1px solid rgba(59,130,246,.4)}.logout-btn{display:flex;align-items:center;gap:.5rem;background:transparent;color:var(--text-muted);border:none;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s ease;padding:.5rem 1rem;border-radius:8px}.logout-btn:hover{color:var(--text-main);background:#ffffff0d}.dashboard-content{padding:2rem;max-width:1400px;margin:0 auto;width:100%}.dashboard-grid{display:grid;grid-template-columns:350px 1fr;gap:2rem;align-items:start}.student-grid{display:grid;grid-template-columns:1fr;gap:2rem}.dashboard-card{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;padding:1.75rem;box-shadow:0 20px 40px -10px #00000080,inset 0 1px #ffffff1a;animation:fadeUp .5s cubic-bezier(.16,1,.3,1) forwards}.course-view-card{padding:2rem}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--glass-border)}.header-icon{color:var(--primary)}.card-header h3{font-size:1.125rem;font-weight:600}.create-form{display:flex;flex-direction:column;gap:1rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-size:.875rem;color:var(--text-muted)}.form-group input{padding:.75rem 1rem;background:#0f172a99;border:1px solid var(--glass-border);border-radius:10px;color:#fff;outline:none;transition:all .2s ease}.form-group input:focus{border-color:var(--primary);background:#0f172acc}.primary-btn{padding:.75rem;background:var(--primary);color:#fff;border:none;border-radius:10px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:.5rem}.primary-btn:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.primary-btn:disabled{opacity:.6;cursor:not-allowed}.alert{padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;font-size:.875rem}.alert.error{background:var(--error-bg);color:var(--error);border:1px solid rgba(239,68,68,.2)}.alert.success{background:#10b9811a;color:#10b981;border:1px solid rgba(16,185,129,.2)}.table-container{overflow-x:auto}.users-table{width:100%;border-collapse:collapse}.users-table th{text-align:left;padding:1rem;color:var(--text-muted);font-weight:500;font-size:.875rem;border-bottom:1px solid var(--glass-border)}.users-table td{padding:1rem;border-bottom:1px solid rgba(255,255,255,.05);vertical-align:middle}.users-table tr:last-child td{border-bottom:none}.role-badge{padding:.35rem .6rem;border-radius:6px;font-size:.75rem;font-weight:600;text-transform:capitalize;letter-spacing:.03em}.role-badge.admin{background:linear-gradient(135deg,rgba(139,92,246,.2),transparent);color:#d8b4fe;border:1px solid rgba(139,92,246,.3)}.role-badge.student{background:linear-gradient(135deg,rgba(59,130,246,.2),transparent);color:#bfdbfe;border:1px solid rgba(59,130,246,.3)}.toggle-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--glass-border);background:#ffffff08;color:var(--text-muted);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.16,1,.3,1)}.toggle-btn:hover:not(:disabled){background:#ffffff14;transform:translateY(-2px);box-shadow:0 4px 12px #0003}.toggle-btn:disabled{opacity:.5;cursor:not-allowed}.toggle-btn.active{background:linear-gradient(135deg,#10b98133,#10b9810d);border-color:#10b98180;color:#34d399;box-shadow:0 0 15px #10b98133}.status-indicator{display:inline-flex;align-items:center;gap:.375rem;font-size:.75rem;font-weight:500}.status-indicator:before{content:"";width:8px;height:8px;border-radius:50%}.status-indicator.online{color:#10b981}.status-indicator.online:before{background:#10b981;box-shadow:0 0 8px #10b98180}.status-indicator.offline{color:var(--text-muted)}.status-indicator.offline:before{background:var(--text-muted)}@media(max-width:1024px){.dashboard-grid{grid-template-columns:1fr}}.dashboard-content.empty-state{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 80px)}.empty-message-card{text-align:center;padding:3rem;background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:24px;max-width:450px;box-shadow:0 20px 40px -10px #00000080;animation:fadeUp .6s ease-out}.empty-icon{color:var(--text-muted);margin-bottom:1.5rem;opacity:.5}.empty-message-card h3{font-size:1.5rem;margin-bottom:.75rem;font-weight:600}.empty-message-card p{color:var(--text-muted);line-height:1.6}.user-info{display:flex;align-items:center;gap:.5rem;padding-right:1.5rem;border-right:1px solid var(--glass-border)}.user-email{font-size:.875rem;color:var(--text-muted);font-weight:500}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:2rem;padding:1rem 0}.course-card{position:relative;background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:24px;padding:2rem;cursor:pointer;transition:all .4s cubic-bezier(.16,1,.3,1);overflow:hidden;box-shadow:0 10px 30px -10px #0000004d;display:flex;flex-direction:column}.course-card-bg{position:absolute;inset:0;opacity:0;transition:opacity .4s ease;z-index:0}.course-card:hover{transform:translateY(-8px) scale(1.02);border-color:#fff3;box-shadow:0 20px 40px -10px #00000080}.course-card:hover .course-card-bg{opacity:1}.course-header{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.5rem}.course-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 16px #0003}.course-badge{background:#ffffff1a;padding:.375rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600;color:var(--text-muted)}.course-card h3{position:relative;z-index:1;font-size:1.5rem;font-weight:700;margin-bottom:.75rem;color:#fff}.course-card p{position:relative;z-index:1;color:var(--text-muted);font-size:.95rem;line-height:1.6;margin-bottom:2rem;flex-grow:1}.start-btn{position:relative;z-index:1;display:inline-flex;align-items:center;gap:.5rem;background:transparent;border:none;font-weight:600;font-size:1rem;padding:0;cursor:pointer;transition:gap .3s cubic-bezier(.4,0,.2,1);margin-top:auto}.course-card:hover .start-btn{gap:.85rem}.lesson-view{animation:fadeUp .4s ease-out}.back-btn{background:transparent;border:none;color:var(--text-muted);font-size:.9rem;font-weight:500;cursor:pointer;padding:.5rem 0;margin-bottom:1.5rem;transition:color .2s ease}.back-btn:hover{color:var(--text-main)}.lesson-grid{display:grid;grid-template-columns:1fr 340px;gap:2.5rem;align-items:start}@media(max-width:1024px){.lesson-grid{grid-template-columns:1fr}.lesson-sidebar{position:relative;top:0}.lesson-list{max-height:400px}}.video-section h2{font-size:1.75rem;font-weight:700;margin-bottom:1.25rem;background:linear-gradient(to right,#fff,#a1a1aa);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}.video-player-container{position:relative;width:100%;aspect-ratio:16 / 9;background:#000;border-radius:20px;overflow:hidden;box-shadow:0 25px 50px -12px #000c,0 0 0 1px #ffffff0d;transition:transform .3s ease}.video-player-container:hover{box-shadow:0 30px 60px -12px #000000e6,0 0 0 1px var(--primary-glow)}.stream-iframe{width:100%;height:100%;border:none;position:absolute;top:0;left:0;z-index:1}.demo-overlay{position:absolute;inset:0;background:#000c;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;color:var(--text-muted);padding:2rem;text-align:center}.demo-overlay .play-icon{color:var(--primary);opacity:.8}.demo-overlay strong{color:#fff}.lesson-sidebar{padding:1.75rem;position:sticky;top:6rem;background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:24px;box-shadow:0 20px 40px -10px #0006}.lesson-sidebar h3{font-size:1.125rem;font-weight:600;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--glass-border)}.lesson-list{display:flex;flex-direction:column;gap:.5rem;max-height:60vh;overflow-y:auto;padding-right:.5rem}.lesson-list::-webkit-scrollbar{width:6px}.lesson-list::-webkit-scrollbar-track{background:transparent}.lesson-list::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}.lesson-item{display:flex;align-items:center;gap:1.25rem;padding:1rem 1.25rem;background:transparent;border:1px solid transparent;border-radius:16px;color:var(--text-muted);cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);text-align:left;width:100%;position:relative;overflow:hidden}.lesson-item:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.03),transparent);transform:translate(-100%);transition:transform .5s ease}.lesson-item:hover:before{transform:translate(100%)}.lesson-item:hover{background:#ffffff08;color:var(--text-main);transform:translate(4px)}.lesson-item.active{background:#8b5cf626;border-color:#8b5cf64d;color:#fff;box-shadow:inset 0 0 20px #8b5cf61a}.lesson-num{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#0000004d;border-radius:10px;font-size:.85rem;font-weight:700;transition:all .3s ease}.lesson-item.active .lesson-num{background:var(--primary);color:#fff}.lesson-title{flex-grow:1;font-weight:500;font-size:.95rem}.active-icon{color:var(--primary)}:root{--bg-dark: #09090b;--bg-darker: #000000;--glass-bg: rgba(24, 24, 27, .65);--glass-border: rgba(255, 255, 255, .08);--primary: #8b5cf6;--primary-hover: #7c3aed;--primary-glow: rgba(139, 92, 246, .4);--secondary: #3b82f6;--secondary-hover: #2563eb;--text-main: #f8fafc;--text-muted: #a1a1aa;--error: #f87171;--error-bg: rgba(248, 113, 113, .1)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;width:100%}body{font-family:Outfit,system-ui,-apple-system,sans-serif;background-color:var(--bg-dark);background-image:radial-gradient(circle at 15% 50%,rgba(139,92,246,.15),transparent 40%),radial-gradient(circle at 85% 30%,rgba(59,130,246,.15),transparent 40%);background-attachment:fixed;color:var(--text-main);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#fff3}.loader{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.2rem;color:var(--text-muted);animation:pulseLoader 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulseLoader{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.98)}}