:root{--lms-primary:#6366f1;--lms-primary-dark:#4f46e5;--lms-secondary:#8b5cf6;--lms-success:#10b981;--lms-danger:#ef4444;--lms-warning:#f59e0b;--lms-gray-50:#f8fafc;--lms-gray-100:#f1f5f9;--lms-gray-600:#475569;--lms-gray-900:#0f172a}.lms-login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);padding:20px;position:relative;overflow:hidden}.lms-login-container:before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 50%);animation:rotate 20s linear infinite}@keyframes rotate{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}.lms-card{position:relative;z-index:1;animation:slideUp .6s ease-out}@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.lms-glass-theme{background:rgba(255,255,255,.95);backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.3);box-shadow:0 25px 50px rgba(0,0,0,.2)}.lms-login-container h2{text-align:center;margin-bottom:12px;background:linear-gradient(135deg,var(--lms-primary) 0%,var(--lms-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-size:2rem;font-weight:900;letter-spacing:-.5px}.lms-login-container p{text-align:center;color:var(--lms-gray-600);margin-bottom:32px;line-height:1.6}.lms-input-group label{display:block;margin-bottom:10px;font-weight:700;color:var(--lms-gray-900);font-size:14px;text-transform:uppercase;letter-spacing:.5px}.lms-pro-input{width:100%;padding:16px;border-radius:12px;border:2px solid #e0e7ff;font-size:1.1rem;text-align:center;letter-spacing:3px;font-family:'Courier New',monospace;text-transform:uppercase;font-weight:700;transition:all .3s cubic-bezier(.4,0,.2,1);background:linear-gradient(135deg,#fff 0%,#f8fafc 100%)}.lms-pro-input:focus{outline:none;border-color:var(--lms-primary);box-shadow:0 0 0 4px rgba(99,102,241,.1),0 8px 16px rgba(99,102,241,.2);transform:translateY(-2px)}.lms-pro-btn{width:100%;padding:18px;background:linear-gradient(135deg,var(--lms-primary) 0%,var(--lms-secondary) 100%);color:#fff;border:none;border-radius:12px;font-weight:800;font-size:1.1rem;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 20px rgba(99,102,241,.4);text-transform:uppercase;letter-spacing:1px}.lms-pro-btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 12px 28px rgba(99,102,241,.5);background:linear-gradient(135deg,var(--lms-primary-dark) 0%,var(--lms-primary) 100%)}.lms-pro-btn:active:not(:disabled){transform:translateY(-1px)}.lms-pro-btn:disabled{background:linear-gradient(135deg,#cbd5e1 0%,#94a3b8 100%);cursor:not-allowed;transform:none;box-shadow:none}#login-error,#login-success{margin-top:20px;padding:14px 18px;border-radius:10px;font-size:14px;text-align:center;font-weight:600;animation:slideDown .3s ease-out}@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}#login-error{background:linear-gradient(135deg,#fef2f2 0%,#fee2e2 100%);color:var(--lms-danger);border:2px solid #fecaca}#login-success{background:linear-gradient(135deg,#d1fae5 0%,#a7f3d0 100%);color:#065f46;border:2px solid #6ee7b7}.lms-lecturer-portal{max-width:1400px;margin:40px auto;padding:0 20px}.lms-portal-header{background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);color:#fff;padding:40px;border-radius:20px;margin-bottom:30px;box-shadow:0 20px 40px rgba(99,102,241,.3);position:relative;overflow:hidden}.lms-portal-header:before{content:'';position:absolute;top:-50%;right:-50%;width:200%;height:200%;background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);animation:pulse 8s ease-in-out infinite}.header-content{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.lecturer-info h1{margin:0 0 12px;font-size:2.25rem;font-weight:900;text-shadow:0 2px 4px rgba(0,0,0,.1)}.lecturer-meta{display:flex;gap:16px;align-items:center}.code-badge{background:rgba(255,255,255,.25);padding:8px 16px;border-radius:24px;font-family:monospace;font-weight:800;letter-spacing:2px;border:2px solid rgba(255,255,255,.3);backdrop-filter:blur(10px)}.position{opacity:.95;font-weight:600}.logout-btn{background:rgba(255,255,255,.2);border:2px solid rgba(255,255,255,.3);color:#fff;padding:12px 24px;border-radius:12px;cursor:pointer;font-weight:700;transition:all .3s;backdrop-filter:blur(10px);display:flex;align-items:center;gap:8px}.logout-btn:hover{background:rgba(255,255,255,.3);border-color:rgba(255,255,255,.5);transform:translateY(-2px)}@media (max-width:768px){.lms-login-container{padding:16px}.lms-card{padding:32px 24px !important}.lms-login-container h2{font-size:1.5rem}.header-content{flex-direction:column;gap:20px;text-align:center}.lecturer-info h1{font-size:1.75rem}}