* { margin: 0; padding: 0; box-sizing: border-box; }
        
        body {
            font-family: 'Inter', sans-serif;
            background: radial-gradient(circle at 15% 50%, rgba(79,70,229,0.15), transparent 40%),
                        radial-gradient(circle at 85% 30%, rgba(124,58,237,0.18), transparent 40%),
                        linear-gradient(135deg, #f8fafc 0%, #eef2ff 50%, #e0f2fe 100%);
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        #particles-js {
            position: fixed;
            inset: 0;
            z-index: 0;
            opacity: 0.4;
            pointer-events: none;
        }
        
        .login-container {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 420px;
            padding: 20px;
        }
        
        .login-box {
            background: rgba(255,255,255,0.6);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255,255,255,0.4);
            border-radius: 30px;
            padding: 40px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .logo {
            text-align: center;
            margin-bottom: 30px;
        }
        
        .logo-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 35px;
            color: #fff;
            margin: 0 auto 15px;
            box-shadow: 0 10px 20px rgba(79,70,229,0.3);
        }
        
        .logo h1 {
            font-size: 24px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 5px;
        }
        
        .logo p {
            font-size: 14px;
            color: #64748b;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: #475569;
            margin-bottom: 8px;
        }
        
        .input-group {
            position: relative;
        }
        
        .input-icon {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #94a3b8;
            font-size: 16px;
        }
        
        input {
            width: 100%;
            padding: 15px 15px 15px 45px;
            background: rgba(255,255,255,0.8);
            border: 1px solid rgba(203,213,225,0.5);
            border-radius: 12px;
            font-size: 14px;
            color: #0f172a;
            transition: 0.3s;
        }
        
        input:focus {
            outline: none;
            border-color: #4f46e5;
            background: rgba(255,255,255,0.95);
            box-shadow: 0 0 0 3px rgba(79,70,229,0.1);
        }
        
        .password-toggle {
            position: absolute;
            right: 15px;
            top: 50%;
            transform: translateY(-50%);
            color: #94a3b8;
            cursor: pointer;
            font-size: 16px;
        }
        
        .password-toggle:hover {
            color: #4f46e5;
        }
        
        button {
            width: 100%;
            padding: 15px;
            background: #4f46e5;
            color: #fff;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        button:hover {
            background: #4338ca;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(79,70,229,0.3);
        }
        
        .alert {
            padding: 12px 16px;
            border-radius: 10px;
            margin-bottom: 20px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .alert-error {
            background: rgba(220,38,38,0.1);
            color: #dc2626;
            border: 1px solid rgba(220,38,38,0.2);
        }
        
        .alert-success {
            background: rgba(16,185,129,0.1);
            color: #059669;
            border: 1px solid rgba(16,185,129,0.2);
        }
        
        .footer-links {
            margin-top: 20px;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }
        
        .footer-links a {
            color: #4f46e5;
            text-decoration: none;
            font-weight: 500;
        }
        
        .footer-links a:hover {
            text-decoration: underline;
        }
        
        .remember-forgot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            font-size: 13px;
        }
        
        .remember {
            display: flex;
            align-items: center;
            gap: 5px;
            color: #475569;
        }
        
        .forgot {
            color: #4f46e5;
            text-decoration: none;
        }
        
        .forgot:hover {
            text-decoration: underline;
        }