:root{--primary: #3b82f6;--primary-hover: #2563eb;--bg-dark: #0f172a;--bg-panel: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--accent: #10b981;--accent-warning: #f59e0b;--accent-danger: #ef4444;--border-subtle: rgba(255, 255, 255, .08);--glass-bg: rgba(30, 41, 59, .65);--glass-blur: blur(12px);--touch-target: 44px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,system-ui,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text-main);line-height:1.5;overflow-x:hidden;min-width:320px}a{text-decoration:none;color:inherit}ul{list-style:none}.lg-input,input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=url],input[type=tel],input[type=search],select,textarea{width:100%;display:block;background-color:#1e293bd9!important;color:var(--text-main)!important;border:1px solid rgba(255,255,255,.16)!important;border-radius:8px!important;padding:10px 15px!important;font-size:14px!important;font-family:inherit;box-sizing:border-box!important;outline:none!important;transition:all .2s cubic-bezier(.16,1,.3,1);box-shadow:inset 0 2px 4px #00000040;min-height:var(--touch-target)}.lg-input:focus,input:focus,select:focus,textarea:focus{border-color:var(--primary)!important;background-color:#1e293bf2!important;box-shadow:0 0 0 3px #3b82f640,inset 0 2px 4px #0003!important}.lg-input::placeholder,input::placeholder,textarea::placeholder{color:var(--text-muted)!important;opacity:.7}.lg-form-group{margin-bottom:18px;width:100%}label{display:block!important;font-size:13px!important;font-weight:600!important;color:#cbd5e1!important;margin-bottom:6px!important;letter-spacing:.3px}select option{background-color:var(--bg-panel);color:var(--text-main)}.lg-dashboard-container{display:flex;min-height:100vh;flex-direction:column}.lg-mobile-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background-color:var(--bg-panel);border-bottom:1px solid var(--border-subtle);position:sticky;top:0;z-index:50;min-height:var(--touch-target)}.lg-mobile-header h2{color:var(--primary);font-size:18px;font-weight:700;letter-spacing:-.5px}.lg-hamburger{background:none;border:none;color:var(--text-main);font-size:24px;cursor:pointer;min-width:var(--touch-target);min-height:var(--touch-target);display:flex;align-items:center;justify-content:center}.lg-sidebar{width:280px;background-color:var(--bg-panel);border-right:1px solid var(--border-subtle);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:100;transform:translate(-100%);transition:transform .3s cubic-bezier(.16,1,.3,1)}.lg-sidebar.open{transform:translate(0)}.lg-sidebar-logo{padding:20px 24px;font-size:22px;font-weight:700;color:var(--primary);border-bottom:1px solid var(--border-subtle)}.lg-sidebar-nav{padding:16px 0;flex-grow:1;display:flex;flex-direction:column;overflow-y:auto}.lg-sidebar-nav ul{display:flex;flex-direction:column;height:100%;gap:4px}.lg-sidebar-nav li a{display:flex;align-items:center;padding:10px 24px;color:var(--text-muted);transition:all .2s ease;font-weight:500;min-height:var(--touch-target)}.lg-sidebar-nav li a:hover,.lg-sidebar-nav li a.active{color:var(--primary);background-color:#3b82f61f;border-right:3px solid var(--primary)}.lg-logout-btn{background:transparent;border:none;color:var(--accent-danger);cursor:pointer;padding:12px 24px;width:100%;text-align:left;font-size:15px;font-weight:600;min-height:var(--touch-target);transition:background .2s}.lg-logout-btn:hover{background:#ef444426}.lg-sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:90}.lg-sidebar.open+.lg-sidebar-overlay,.lg-sidebar-overlay[data-active=true]{display:block}.lg-dashboard-main{flex-grow:1;padding:16px;margin-left:0;width:100%;max-width:100%;overflow-x:hidden;min-width:0;transition:margin .3s ease,padding .3s ease}.lg-dashboard-header{margin-bottom:24px}.lg-dashboard-header h1{font-size:22px;font-weight:700;margin-bottom:6px;line-height:1.25}.lg-role-badge{display:inline-block;padding:4px 10px;background:#3b82f633;color:var(--primary);border-radius:6px;font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase}.lg-dashboard-grid{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:28px}.lg-card{background:var(--glass-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--border-subtle);border-radius:14px;padding:18px;box-shadow:0 4px 6px -1px #00000026;max-width:100%;overflow-x:hidden}.lg-card h3{margin-bottom:12px;font-size:17px;font-weight:600;color:var(--text-main)}.lg-stat-number{font-size:28px;font-weight:700;color:var(--primary);margin:6px 0}.lg-table-wrapper{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:10px;border:1px solid var(--border-subtle);margin-bottom:16px}table{width:100%;border-collapse:collapse;min-width:600px}th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--border-subtle);font-size:14px}th{background:#0f172a99;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}tr:last-child td{border-bottom:none}tr:hover{background:#ffffff08}.lg-course-grid{display:grid;grid-template-columns:1fr;gap:18px}.lg-course-card{background-color:#0f172a99;border:1px solid var(--border-subtle);border-radius:12px;overflow:hidden;transition:transform .2s,box-shadow .2s}.lg-course-card:hover{transform:translateY(-4px);box-shadow:0 10px 15px -3px #0000004d}.lg-course-thumbnail{height:160px;background-size:cover;background-position:center;background-color:#334155}.lg-course-content{padding:18px}.lg-course-content h4{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--text-main)}.lg-progress-bar{height:8px;background-color:#ffffff1a;border-radius:4px;overflow:hidden;margin:12px 0}.lg-progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:4px;transition:width .8s ease}.lg-btn{background-color:var(--primary);color:#fff;border:none;padding:11px 22px;border-radius:8px;font-weight:600;font-size:14px;min-height:var(--touch-target);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s}.lg-btn:hover{background-color:var(--primary-hover)}.lg-btn-small{background-color:#3b82f633;color:var(--primary);border:1px solid rgba(59,130,246,.4);padding:6px 14px;border-radius:6px;font-size:13px;font-weight:600;min-height:36px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s}.lg-btn-small:hover{background-color:var(--primary);color:#fff}@media(min-width:576px){.lg-dashboard-main{padding:24px}.lg-dashboard-header h1{font-size:26px}.lg-dashboard-grid,.lg-course-grid{grid-template-columns:repeat(2,1fr);gap:20px}.lg-stat-number{font-size:32px}.lg-card{padding:24px}}@media(min-width:992px){.lg-mobile-header{display:none}.lg-sidebar{transform:translate(0);position:fixed}.lg-sidebar-overlay{display:none!important}.lg-dashboard-main{margin-left:280px;width:calc(100% - 280px);max-width:calc(100% - 280px);padding:36px 48px}.lg-dashboard-header h1{font-size:32px}.lg-dashboard-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}.lg-course-grid{grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:24px}.lg-stat-number{font-size:36px}.lg-card{padding:28px}}